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• Oracle Ebusiness Suite 12.1.3 Oracle VM templates

  - by wcoekaer

  Steven Chan just published a great blog entry that talks about the release of a new set of Oracle VM templates. Oracle Ebusiness Suite 12.1.3. You can find the blog post here. Templates are available for: E-Business Suite 12.1.3 Vision (64-bit) E-Business Suite 12.1.3 Production (32-bit) E-Business Suite 12.x Sparse Middle Tiers (32-bit and 64-bit) Thanks Steven! Why does this stuff matter? Well, in general, virtualization (or cloud) solutions provide an easy way to create Virtual Machines. Whether it's through a "cloud api" or just a virtualization API. But all you end up with, in the end, is still just a Virtual Machine... Maybe with an OS pre-installed/pre-configured. So you have flexibility of moving VMs around and providing a VM but what about the actual applications (anything more than a very basic app)? The application administrator then still has to go and install and configure the OS for that application and install the application and its patches and basic configuration so that the application user then can go in. Building gold images for complex software stacks that are not owned by the users/admins is always very difficult. With our templates, we provide a number of things : Oracle Linux pre-installed and pre-configured with the minimum required packages for that application to run. (so it's secure) Oracle Linux can be distributed and used for free or with a support subscription. There is no trial license, there is no registration key, no alpha version or community version versus enterprise version. You get what we provide in our engineered systems, what we provide support for, without change. Supported out of the box. No virtual Trial appliances, no prototypes, no POC. What you download is production ready without change. The applications are installed by the developers of the application. The database team builds database templates, the applications engineering team builds applications templates. The first boot/configuration scripts ask for the basic information such as hostname, ip address, user passwords and then go off and set everything up correctly. All tested together - application - operating system - hypervisor. not 3 (or more) products from 3(or more) different companies.

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• SQL Sentry Truth-Telling and Disk Configuration

  - by AjarnMark

  Recently, SQL Sentry told me something about my SQL Server disk configurations that I just didn’t want to believe, but alas, it was true. Several days ago I posted my First Impressions of the SQL Sentry Power Suite.  Today’s post could fall into the category of, “Hey, as long as you have that fancy tool…”  Unfortunately, it also falls into the category of an overloaded worker taking someone else’s word for the truth, not verifying it with independent fact-checking, and then making decisions based on that.  Here’s my story… I’m not exactly an Accidental DBA (or Involuntary DBA as Paul Randal calls it).  I came to this company five years ago as a lead application developer with extensive experience in database design and development.  I worked my way into management, and along the way, took over the DBA responsibilities.  Fortunately, our systems run pretty smoothly most of the time, but I’m always looking for ways to make them better and to fit into my understanding of best practices.  When I took over as DBA, I inherited a SQL 2000 server with about 30 databases on it supporting our main systems, and a SQL 2005 server with multiple instances.  Both of these servers were configured with the Operating System and Application files on the C drive, data files on a different drive letter, and log files on a third drive letter.  Even before I took over as DBA, I verified that this was true with a previous server administrator, and that these represented actual separate disks.  He stated that they did, and I thought that all was well. Then one day, I’m poking around inside the SQL Sentry Performance Advisor, checking out features as I am evaluating whether to purchase the product, and I come across a Disk Configuration section.  The first thing I notice is that the drives do not have the proper partition offset, which was not at all surprising to me given the age of the installation and the relative newness of that topic.  But what threw me for a loop was that the graphic display appeared to be telling me that I did not in fact have three separate drives (or arrays) but rather had two, and that the log files were merely on a separate volume on the same physical array as the OS.  I figured that I must be reading it wrong so I scanned the Help file, but that just seemed to confirm my interpretation.  Then I thought, “there must be something wrong with the demo version of the software!  This can’t be right!”  But just to double-check, I went to our current server admin to talk it over with him, and sure enough, SQL Sentry was telling the truth! I was stunned!  I quickly went through the grieving process…denial…anger…reconciliation.  Here was something that I thought was such a basic truth that was turned upside down.  OK, granted, this wasn’t disastrous.  Our databases didn’t suddenly grind to a halt.  I didn’t get calls late at night inquiring about the sudden downturn in performance.  But it was a bit of a shock to the system, in a good way, to jolt me out of taking what I had believed as the truth for granted, and instead to Trust, but Verify! Yes, before someone else points it out, I know that there are”free” disk management tools built-in to Windows that would have told me the same thing if I had only looked at them; I did not have to buy a fancy tool to tell me that, but the fact is, until I was evaluating the tool, I had just gone with what I was told, and never bothered to check what was actually there. So, what things do you believe to be true but you actually never verified?

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• Spotlight on an office - Dublin!

  - by Tim Koekkoek

  In this third instalment of our monthly topic ‘Spotlight on an Office’, we visit Dublin, Ireland Oracle has 5 offices in Dublin all in the EastPoint Business Park close to Dublin City centre. In Dublin there are currently 1,000 people working for Oracle. You’ll find, among others, a large part of OracleDirect, our inside sales organization, part of our EMEA Finance organization and employees from Product and Systems Development who work on the heart of Oracle’s products. Facilities EastPoint Business Park is located next to the Irish Financial Service Centre (IFSC) and is only one train stop away from Dublin city centre. This seafront business park and nearby amenities cater for staff’s needs, which include a Sandwich Bar, a Coffee Shop and a small Convenience Store and Newsagent. Moreover there is a Physical Therapy Clinic and Beauty Salon onsite, Pilates and Boot Camp classes, weekly WeightWatcher Classes, five football / tennis courts and an outdoor chess board. When the sun is shining On sunny days comfy, colourful beanbags are spread throughout the park to relax and every Wednesday there is the Irish Village Market providing staff with a variety of delicious gourmet foods from all over the world. Friday afternoons after work are often used by Oracle employees to start the weekend socializing in The Epicenter Cafe Bar & Venue. In the office In the Oracle offices, you have an open floor design and an open door policy which makes it really easy to walk over to your colleagues or a manager to discuss your projects and keep informed with what is going on. This way you also have a great chance to bond with your colleagues. In two of the Oracle buildings there are subsidized canteens especially for Oracle employees with chefs cooking something special everyday! One of the best things about Oracle in Dublin is that it is really multinational. Currently there are more than 25 languages spoken by Oracle employees. So you will work with colleagues from all around the globe, every day, which makes it a really interesting and exciting experience. Sport & Social There is also a dedicated Sport and Social Club, Oraclub. They organize many sport and social activities. It doesn’t matter which sport is your favourite, Oraclub caters for like-minded individuals and makes sure you can play or watch your favourite sport. Furthermore, Oraclub organizes exhibition matches to get you acquainted with some other sports. Last year the Gaelic Warriors (A Wheelchair Rugby club) held an exhibition match. Oraclub also offer Oracle parties, language courses and offer discounts on many events! So whether you want to go to a Robbie Williams concert, an exhibition of Van Gogh or a match of the Irish Rugby team, Oraclub is there for everyone! There are also plenty of possibilities to get involved in volunteering. Want to know more about the current vacancies in Dublin? Check https://campus.oracle.com for all of our vacancies.

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• Generate a merge statement from table structure

  - by Nigel Rivett

  This code generates a merge statement joining on he natural key and checking all other columns to see if they have changed. The full version deals with type 2 processing and an audit trail but this version is useful. Just the insert or update part is handy too. Change the table at the top (spt_values in master in the version) and the join columns for the merge in @nk. The output generated is at the top and the code to run to generate it below. Output merge spt_values a using spt_values b on a.name = b.name and a.number = b.number and a.type = b.type when matched and (1=0 or (a.low b.low) or (a.low is null and b.low is not null) or (a.low is not null and b.low is null) or (a.high b.high) or (a.high is null and b.high is not null) or (a.high is not null and b.high is null) or (a.status b.status) or (a.status is null and b.status is not null) or (a.status is not null and b.status is null) ) then update set low = b.low , high = b.high , status = b.status when not matched by target then insert ( name , number , type , low , high , status ) values ( b.name , b.number , b.type , b.low , b.high , b.status ); Generator set nocount on declare @t varchar(128) = 'spt_values' declare @i int = 0 -- this is the natural key on the table used for the merge statement join declare @nk table (ColName varchar(128)) insert @nk select 'Number' insert @nk select 'Name' insert @nk select 'Type' declare @cols table (seq int, nkseq int, type int, colname varchar(128)) ;with cte as ( select ordinal_position, type = case when columnproperty(object_id(@t), COLUMN_NAME,'IsIdentity') = 1 then 3 when nk.ColName is not null then 1 else 0 end, COLUMN_NAME from information_schema.columns c left join @nk nk on c.column_name = nk.ColName where table_name = @t ) insert @cols (seq, nkseq, type, colname) select ordinal_position, row_number() over (partition by type order by ordinal_position) , type, COLUMN_NAME from cte declare @result table (i int, j int, k int, data varchar(500)) select @i = @i + 1 insert @result (i, data) select @i, 'merge ' + @t + ' a' select @i = @i + 1 insert @result (i, data) select @i, ' using cte b' select @i = @i + 1 insert @result (i, j, data) select @i, nkseq, ' ' + case when nkseq = 1 then 'on' else 'and' end + ' a.' + ColName + ' = b.' + ColName from @cols where type = 1 select @i = @i + 1 insert @result (i, data) select @i, ' when matched and (1=0' select @i = @i + 1 insert @result (i, j, k, data) select @i, seq, 1, ' or (a.' + ColName + ' b.' + ColName + ')' + ' or (a.' + ColName + ' is null and b.' + ColName + ' is not null)' + ' or (a.' + ColName + ' is not null and b.' + ColName + ' is null)' from @cols where type 1 select @i = @i + 1 insert @result (i, data) select @i, ' )' select @i = @i + 1 insert @result (i, data) select @i, ' then update set' select @i = @i + 1 insert @result (i, j, data) select @i, nkseq, ' ' + case when nkseq = 1 then ' ' else ', ' end + colname + ' = b.' + colname from @cols where type = 0 select @i = @i + 1 insert @result (i, data) select @i, ' when not matched by target then insert' select @i = @i + 1 insert @result (i, data) select @i, ' (' select @i = @i + 1 insert @result (i, j, data) select @i, seq, ' ' + case when seq = 1 then ' ' else ', ' end + colname from @cols where type 3 select @i = @i + 1 insert @result (i, data) select @i, ' )' select @i = @i + 1 insert @result (i, data) select @i, ' values' select @i = @i + 1 insert @result (i, data) select @i, ' (' select @i = @i + 1 insert @result (i, j, data) select @i, seq, ' ' + case when seq = 1 then ' ' else ', ' end + 'b.' + colname from @cols where type 3 select @i = @i + 1 insert @result (i, data) select @i, ' );' select data from @result order by i,j,k,data

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• Giving a Zone "More Power"

  - by Brian Leonard

  In addition to the traditional virtualization benefits that Solaris zones offer, applications running in zones are also running in a more secure environment. One way to quantify this is compare the privileges available to the global zone with those of a local zone. For example, there a 82 distinct privileges available to the global zone: bleonard@solaris:~$ ppriv -l | wc -l 82 You can view the descriptions for each of those privileges as follows: bleonard@solaris:~$ ppriv -lv contract_event Allows a process to request critical events without limitation. Allows a process to request reliable delivery of all events on any event queue. contract_identity Allows a process to set the service FMRI value of a process contract template. ... Or for just one or more privileges: bleonard@solaris:~$ ppriv -lv file_dac_read file_dac_write file_dac_read Allows a process to read a file or directory whose permission bits or ACL do not allow the process read permission. file_dac_write Allows a process to write a file or directory whose permission bits or ACL do not allow the process write permission. In order to write files owned by uid 0 in the absence of an effective uid of 0 ALL privileges are required. However, in a non-global zone, only 43 of the 83 privileges are available by default: root@myzone:~# ppriv -l zone | wc -l 43 The missing privileges are: cpc_cpu dtrace_kernel dtrace_proc dtrace_user file_downgrade_sl file_flag_set file_upgrade_sl graphics_access graphics_map net_mac_implicit proc_clock_highres proc_priocntl proc_zone sys_config sys_devices sys_ipc_config sys_linkdir sys_dl_config sys_net_config sys_res_bind sys_res_config sys_smb sys_suser_compat sys_time sys_trans_label virt_manage win_colormap win_config win_dac_read win_dac_write win_devices win_dga win_downgrade_sl win_fontpath win_mac_read win_mac_write win_selection win_upgrade_sl xvm_control However, just like Tim Taylor, it is possible to give your zones more power. For example, a zone by default doesn't have the privileges to support DTrace: root@myzone:~# dtrace -l ID PROVIDER MODULE FUNCTION NAME The DTrace privileges can be added, however, as follows: bleonard@solaris:~$ sudo zonecfg -z myzone Password: zonecfg:myzone> set limitpriv="default,dtrace_proc,dtrace_user" zonecfg:myzone> verify zonecfg:myzone> exit bleonard@solaris:~$ sudo zoneadm -z myzone reboot Now I can run DTrace from within the zone: root@myzone:~# dtrace -l | more ID PROVIDER MODULE FUNCTION NAME 1 dtrace BEGIN 2 dtrace END 3 dtrace ERROR 7115 syscall nosys entry 7116 syscall nosys return ... Note, certain privileges are never allowed to be assigned to a zone. You'll be notified on boot if you attempt to assign a prohibited privilege to a zone: bleonard@solaris:~$ sudo zoneadm -z myzone reboot privilege "dtrace_kernel" is not permitted within the zone's privilege set zoneadm: zone myzone failed to verify Here's a nice listing of all the privileges and their zone status (default, optional, prohibited): Privileges in a Non-Global Zone.

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• How does the Trash Can work, and where can I find official documentation, reference, or specification for it?

  - by MestreLion

  When trying to manage trash can from mounted NTFS volumes, I ended up reading FreeDesktop.org's reference on it. Poking around and doing some tests, I realized Ubuntu/Gnome does not follow the specs 100%. Here's why: For non-/ partitions, it always uses <driveroot>/.Trash-<uid>, It never used <driveroot>/.Trash/<uid>, even when i created it in advance. While this works, it's annoying: if I have 15 users, I end up with 15 /.Trash-xxx folders in my drive, while the other approach would still give a single folder (with 15 sub-folders). That "pollution" in my drives is very unpleasant. And specs say "If an $topdir/.Trash directory is absent, an $topdir/.Trash-$uid directory is to be used". Well, it IS present, so why does it never use it? root trash does not work, at least not out of the box. Open nautilus as root and click on trash; it gives an error. Try to delete any file, it says "it can't move to trash". Ok, I know this can be fixed by creating /root/.local/share. But specs says "A “home trash” directory SHOULD be automatically created for any new user. If this directory is needed for a trashing operation but does not exist, the implementation SHOULD automatically create it, without any warnings or delays.". Why the error then? Bug? Why must I change /etc/fstab entries for mounted volumes, adding options like uid and guid, if the volumes are already mounted as RW for everyone? These are just some examples of deviation from the standard. So, the question is: "If Ubuntu does not adhere 100% to the spec, HOW exactly does the trash work? WHERE can i find a technical reference for Ubuntu's implementation of the trash?" By the way: if Ubuntu does happen to follow specs, please tell me what I am doing wrong, especially regarding the /.Trash-<uid> vs /.Trash/<uid> issue. Thanks! EDIT: Some more info: If a given fs has no support for the sticky bit (VFAT, NTFS), it probably doesn't have for permissions either (at least VFAT surely doesn't). So what prevents one user from purging / restoring other users' ./Trash-xxx ? If one can read/write his own Trash, one can do the same for the whole drive, including other's trashes, correct? Or does Gnome have some kind of "extra" protection on ./Trash-xxx folders on VFAT/NTFS fs? If Linux can "emulate" file permissions on NTFS mounting by editing /fstab uid and gid options, can it also "emulate" the sticky bit? I would really prefer to use /.Trash/xxx format... For the root issue: for the / partition, I can use trash as root, and it goes to /root/.local/shate/Trash. But if I click on Nautilus "Trash" (as root), I get an error. Don't you? So files are correctly trashed, but I can't access it. All I can do is manually "purge" them (by deleting files on /root/.local/shate/Trash), but restoring would be very tricky (opening info files and manually moving, etc.). For non-/ partitions (or at least for VFAT/NTFS), I can not even use trash as root: it does not create a ./Trash-0 folder, it simply says "Cannot trash, want to permanently delete?" Why? About fstab: i use it for a permanent mount for my NTFS partitions. I have several, and if not "pre-mounted" they really clutter the desktop and/or Nautilus. I'd rather have it pre-mounted, integrated in my fs, in mounts like /data , /windows/xp , /windows/vista , and so on, and leave /media and its "mount/unmount" flexibility just for truly removable drives. So, if Ubuntu/Gnome truly follows the spec, is there any way to fix the root issues and to "emulate" the sticky bit for (at least) my fstab'ed NTFS fixed partitions?

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• Ubuntu 10.10 Network Issues (wireless as well as wired)

  - by user9054

  down vote favorite Hi Friends, I have got this issue with Ubuntu 10.10 . I have been with ubuntu 8.04 and then decided to try out ubuntu 10.10 . I booted with a LiveCD and was able to configure the wireless network painlessly using the livecd . so happily i installed ubuntu 10.10 . As soon as ubuntu came up it detected the wireless network and i was able to assign a static IP to eth1 (i dont use DHCP option on my ADSL router) and enter a wap key and use pppoeconf to configure the dialer . The net was on and i was able to surf the net . all hunky dory so far . However on the next boot the fun started . It did not detect the wireless network . I could not see the network manager icon in the systray . I used ifconfig and saw that the entry for eth1 was missing .I used ifup eth1 and it said that eth1 was already up . Then i installed wifi-radar . Wifi-Radar detected the wireless network . I configured wifi-radar for the detected wireless network , set the wap driver as wext and used the manual IP settings . However on clicking connect wifi-radar started looking for a DHCP IP , needless to say it failed . For the love of god i cannot understand why wifi-radar is using DHCP when i have specified manual settings . Next i decided to use the wired network to surf the net looking for a solution . So i plugged in the network cable from my modem , it detected the plugged in connection , i configured eth0 , used pppoeconf and connected to the net . Then i foolishly decided to reboot my PC . And wonders of wonders , the same problem appeared . I cannot see eth0 in my ifconfig anymore . i used pon to start the dsl-provider connection and it said something about network error or something . Now my ifconfig shows only lo , both eth0 and eth1 have disappeared .Can anybody help me on this ? Is it a problem with ipv6 , if so how do you disable ipv6 on ubuntu 10.10 ? OR is this is a known issue with ubuntu 10.10 ? .PS : 1) i tried linux mint 10 and had the same issue . on rebooting wireless network was not getting detected . 2) i have made myself the administrator so that there is no issue of rights or anything. Any help is appreciated.

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• Brightness Crash and Fan issues in 12.04.1

  - by S.A. McIntosh

  I would just like to state beforehand that I am a total novice in using Ubuntu when it comes to the more complex issues. So I thought it would be best to finally come here and ask for help before being re-directed or closed out for a solution. I have already looked high and low on this board for one but nothing came up for my particular case, so I might as well take a shot asking for the first time here. This is what I have at the moment: -Dell Insprion 1764 w/ 64-bit Intel i5 Core -Dual Boot: Windows 7/Ubuntu 12.04.1 32-bit (from 12.04 install) -Unity shell -Linux kernel: 3.2.0-32 generic-pae ...and this is my fglrxinfo: OpenGL vendor string: Advanced Micro Devices, Inc. OpenGL renderer string: ATI Mobility Radeon HD 5000 Series OpenGL version string: 4.2.11627 Compatibility Profile Context The one issue I have with using Ubuntu is brightness. With the driver in every time I use the slider in the brightness and lock settings or use the keyboard function, it freezes, goes black and comes up with a scrambled colors page like this in the video. So I have looked all over this board and the web for answers looking for a solution that might have an answer. This is what I have done so far to fix this: -First Solution: Looking around, I found this small fix using terminal: sudo gedit /etc/rc.local followed by adding this into "rc.local" echo # > /sys/class/backlight/acpi_video0/brightness This works rarely with the graphics driver still in and I often get lucky say during restart but reboot would only snap back the brightness at max. -Second Solution Simply remove the graphics driver while leaving the solution of first behind. This solves the issue but results in having the monitor flicker and flash at startup which in itself is not a problem to me but maybe not so good for monitor health. Also it causes the fan to speed up throughout the session and render any program that needs the driver useless. -Third Solution This is the most obvious. Just simply use the brightness on AMD Catalyst Control Center software that came with the driver, and I can say that it's form of brightness is HORRIBLE compared to the actual settings. Which leads up to where I am now, back to the driver to stop the fan speed-up and seems that the only solution to the brightness crash is to use the keyboard-controlled brightness at the login screen NOT the desktop if I want the issued effect but will just snap at max bright again if I restart. Fan speed problem is dealt with but now run the risk of crashing my computer if I so much touch the brightness settings. Speaking of which I found this on launchpad and it seems that the issue has been going far since June of 2012. Any help, redirect link or reference would be greatly appreciated. Thank you.

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• SQL Azure: Notes on Building a Shard Technology

  - by Herve Roggero

  In Chapter 10 of the book on SQL Azure (http://www.apress.com/book/view/9781430229612) I am co-authoring, I am digging deeper in what it takes to write a Shard. It's actually a pretty cool exercise, and I wanted to share some thoughts on how I am designing the technology. A Shard is a technology that spreads the load of database requests over multiple databases, as transparently as possible. The type of shard I am building is called a Vertical Partition Shard  (VPS). A VPS is a mechanism by which the data is stored in one or more databases behind the scenes, but your code has no idea at design time which data is in which database. It's like having a mini cloud for records instead of services. Imagine you have three SQL Azure databases that have the same schema (DB1, DB2 and DB3), you would like to issue a SELECT * FROM Users on all three databases, concatenate the results into a single resultset, and order by last name. Imagine you want to ensure your code doesn't need to change if you add a new database to the shard (DB4). Now imagine that you want to make sure all three databases are queried at the same time, in a multi-threaded manner so your code doesn't have to wait for three database calls sequentially. Then, imagine you would like to obtain a breadcrumb (in the form of a new, virtual column) that gives you a hint as to which database a record came from, so that you could update it if needed. Now imagine all that is done through the standard SqlClient library... and you have the Shard I am currently building. Here are some lessons learned and techniques I am using with this shard: Parellel Processing: Querying databases in parallel is not too hard using the Task Parallel Library; all you need is to lock your resources when needed Deleting/Updating Data: That's not too bad either as long as you have a breadcrumb. However it becomes more difficult if you need to update a single record and you don't know in which database it is. Inserting Data: I am using a round-robin approach in which each new insert request is directed to the next database in the shard. Not sure how to deal with Bulk Loads just yet... Shard Databases:  I use a static collection of SqlConnection objects which needs to be loaded once; from there on all the Shard commands use this collection Extension Methods: In order to make it look like the Shard commands are part of the SqlClient class I use extension methods. For example I added ExecuteShardQuery and ExecuteShardNonQuery methods to SqlClient. Exceptions: Capturing exceptions in a multi-threaded code is interesting... but I kept it simple for now. I am using the ConcurrentQueue to store my exceptions. Database GUID: Every database in the shard is given a GUID, which is calculated based on the connection string's values. DataTable. The Shard methods return a DataTable object which can be bound to objects.  I will be sharing the code soon as an open-source project in CodePlex. Please stay tuned on twitter to know when it will be available (@hroggero). Or check www.bluesyntax.net for updates on the shard. Thanks!

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• Xorg.conf (nvidia) Second Monitor getting settings of first

  - by HennyH

  I've been spending the weekend (and some time before that) trying to set up my Korean QHD270 and Benq G2222HDL monitors with Ubuntu 13.10. With the nouveau drivers install both monitor function perfectly fine. After installing the nvidia drivers the Benq works but the QHD270 does not. Now, after days of struggling I managed to get the QHD270 to work following a mixture of blogs, particularly; this one and learnitwithme. Now, unfortunatly my G2222HDL does not work. I fixed the QHD270 by supplying a custom EDID, my xorg.conf looks like so (excluding keyboard and mouse): Section "ServerLayout" Identifier "Layout0" Screen "Default Screen" 0 0 InputDevice "Keyboard0" "CoreKeyboard" InputDevice "Mouse0" "CorePointer" EndSection Section "Monitor" Identifier "Configured Monitor" EndSection Section "Device" Identifier "Configured Video Device" Driver "nvidia" Option "CustomEDID" "DFP:/etc/X11/edid-shimian.bin" EndSection Section "Screen" Identifier "Default Screen" Device "Configured Video Device" Monitor "Configured Monitor" EndSection Now, I tried defining a new Device,Monitor and Screen then in ServerLayout adding Screen "Second Screen" RightOf "Default Screen", but after doing so neither monitor worked. Hoping to fix the issue using a GUI based tool I opened up NVIDIA X Server Settings, which shows my current layout as: It seems that something is being output to the monitor, as suggested by my print screen: Any help would be greatly appreciated. Output of xrandr: Screen 0: minimum 8 x 8, current 5120 x 1440, maximum 16384 x 16384 DVI-I-0 disconnected (normal left inverted right x axis y axis) DVI-I-1 connected primary 2560x1440+0+0 (normal left inverted right x axis y axis) 597mm x 336mm 2560x1440 60.0*+ HDMI-0 disconnected (normal left inverted right x axis y axis) DP-0 disconnected (normal left inverted right x axis y axis) DVI-D-0 connected 2560x1440+2560+0 (normal left inverted right x axis y axis) 597mm x 336mm 2560x1440 60.0*+ DP-1 disconnected (normal left inverted right x axis y axis) And an extract from my log file (perhaps this is relevant?) [ 7.862] (--) NVIDIA(0): Valid display device(s) on GeForce GTX 680 at PCI:2:0:0 [ 7.862] (--) NVIDIA(0): CRT-0 [ 7.862] (--) NVIDIA(0): ACB QHD270 (DFP-0) (boot, connected) [ 7.862] (--) NVIDIA(0): DFP-1 [ 7.862] (--) NVIDIA(0): DFP-2 [ 7.862] (--) NVIDIA(0): DFP-3 [ 7.862] (--) NVIDIA(0): DFP-4 [ 7.862] (--) NVIDIA(0): CRT-0: 400.0 MHz maximum pixel clock [ 7.862] (--) NVIDIA(0): ACB QHD270 (DFP-0): 330.0 MHz maximum pixel clock [ 7.862] (--) NVIDIA(0): ACB QHD270 (DFP-0): Internal Dual Link TMDS [ 7.862] (--) NVIDIA(0): DFP-1: 165.0 MHz maximum pixel clock [ 7.862] (--) NVIDIA(0): DFP-1: Internal Single Link TMDS [ 7.862] (--) NVIDIA(0): DFP-2: 165.0 MHz maximum pixel clock [ 7.862] (--) NVIDIA(0): DFP-2: Internal Single Link TMDS [ 7.862] (--) NVIDIA(0): DFP-3: 330.0 MHz maximum pixel clock [ 7.862] (--) NVIDIA(0): DFP-3: Internal Single Link TMDS [ 7.862] (--) NVIDIA(0): DFP-4: 960.0 MHz maximum pixel clock [ 7.862] (--) NVIDIA(0): DFP-4: Internal DisplayPort

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• Can not connect to wireless on 12.04 with Intel WiFi Link 5100

  - by WiData

  I am having problem in connecting to wifi. I have dual boot (Windows 7 and Ubuntu 12.04) on my Dell Studio 15. I upgraded to 12.04 quite some time ago (at least one month) from 11.10. Everything was working fine till yesterday. Since yesterday I can see the list of available Wifi connection but does not connect to any or if connects (after hours of trying) then disconnects after few minutes. My wifi interface is Intel WiFi Link 5100 AGN. However the problem is on both Windows and Ubuntu. Here are outputs of some commands which may be useful for those interested in helping: ~$ ifconfig eth0 Link encap:Ethernet HWaddr 00:22:19:fa:65:bb UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Interrupt:17 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:794 errors:0 dropped:0 overruns:0 frame:0 TX packets:794 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:56280 (56.2 KB) TX bytes:56280 (56.2 KB) wlan0 Link encap:Ethernet HWaddr 00:22:fb:d2:fc:ce UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:239 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:53603 (53.6 KB) Here is the output for the command sudo lshw -C network *-network description: Wireless interface product: WiFi Link 5100 vendor: Intel Corporation physical id: 0 bus info: pci@0000:04:00.0 logical name: wlan0 version: 00 serial: 00:22:fb:d2:fc:ce width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=iwlwifi driverversion=3.2.0-48-generic-pae firmware=8.83.5.1 build 33692 latency=0 link=no multicast=yes wireless=IEEE 802.11abgn resources: irq:47 memory:f8000000-f8001fff My kernel version is kernel version 3.2.0-48-generic-pae I also checked this post which was helpful. But I am not sure if what is the exact problem. Any suggestions will be helpful. Should I be changing the firmware/driver? Currently my /lib/firmware has following iwlwifi files /lib/firmware/iwlwifi-1000-5.ucode /lib/firmware/iwlwifi-5000-5.ucode /lib/firmware/iwlwifi-100-5.ucode /lib/firmware/iwlwifi-5150-2.ucode /lib/firmware/iwlwifi-105-6.ucode /lib/firmware/iwlwifi-6000-4.ucode /lib/firmware/iwlwifi-135-6.ucode /lib/firmware/iwlwifi-6000g2a-5.ucode /lib/firmware/iwlwifi-2000-6.ucode /lib/firmware/iwlwifi-6000g2a-6.ucode /lib/firmware/iwlwifi-2030-6.ucode /lib/firmware/iwlwifi-6000g2b-6.ucode /lib/firmware/iwlwifi-3945-2.ucode /lib/firmware/iwlwifi-6050-5.ucode /lib/firmware/iwlwifi-4965-2.ucode Thanks a lot for the help.

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• Network Your Computers & Devices: Step by Step

  - by The Geek

  If you’re looking for a great book to help you learn more about Windows home networking, there’s a new book on the market by our good friend Ciprian, and published by none other than Microsoft Press. Note: our friend Ciprian has been a guest contributor here on How-To Geek in the past, and he’s not only a geek that knows what he’s talking about, he’s also one of the more honest and decent people I’ve worked with. In his spare time, he runs the 7 Tutorials web site. The Book One of the great things about this book is that you aren’t limited to just Windows networking—it also explains how to connect Windows 7, XP, Vista, Mac OS X, and even Linux on the same network and share folders and devices between them. Everything in the book is written in a typical How-To Geek step-by-step format, with plenty of screenshots and pictures to help you through the process. Book Outline If you’re going to be spending some money on the book, you probably want to know what it’s all about, and since the Amazon page doesn’t give, well, much information at all, here’s the entire outline for you: Setting Up a Router and Devices Setting User Account on All Computers Setting Up Your Libraries on All Windows 7 Computers Creating the Network Customizing Network Sharing Settings in Windows 7 Creating the Homegroup and Joining Windows 7 Computers Sharing Libraries and Folders Sharing and Working with Devices Streaming Media Over the Network and the Internet Sharing Between Windows XP, Windows Vista, and Windows 7 Computers Sharing Between Mac OS X and Windows 7 Computers Sharing Between Ubuntu Linux and Windows 7 Computers Keeping the Network Secure Setting Up Parental Controls Troubleshooting Network and Internet Problems It’s a great book, with loads of information, and compared to most tech books isn’t very expensive—only $19.79 for the paperback and $9.99 for the Kindle version. Well worth it, and hey, it’s an official Microsoft Press book—written by a How-To Geek guest author. Network Your Computers & Devices Step by Step [Amazon] Latest Features How-To Geek ETC How To Boot 10 Different Live CDs From 1 USB Flash Drive The 20 Best How-To Geek Linux Articles of 2010 The 50 Best How-To Geek Windows Articles of 2010 The 20 Best How-To Geek Explainer Topics for 2010 How to Disable Caps Lock Key in Windows 7 or Vista How to Use the Avira Rescue CD to Clean Your Infected PC 2011 International Space Station Calendar Available for Download (Free) Ultimate Elimination – Lego Black Ops [Video] BotSync Enables Secure FTP File Synchronization on Android Devices Enjoy Beautiful City Views with the Cityscape Theme for Windows 7 Luigi Installs Any OS on Google’s Cr-48 Notebook DIY iPad Stylus Offers Pen-Based Interaction on the Cheap

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• How to install Network Adapter Drivers for Atheros AR8161/8165 PCI-E Gigabit Ethernet Controller (NDIS 6.20) Ubuntu 12.04

  - by Jessica Burnett

  How can I install drivers for 64-bit Atheros AR8161/8165 PCI-E Gigabit Ethernet Controller (NDIS 6.20) for Ubuntu 12.04. I dual boot Windows7/Ubuntu 12.04 drivers work for 64-bit Windows 7. lspic -nn: 00:00.0 Host bridge [0600]: Intel Corporation Ivy Bridge DRAM Controller [8086:0154] (rev 09) 00:01.0 PCI bridge [0604]: Intel Corporation Ivy Bridge PCI Express Root Port [8086:0151] (rev 09) 00:02.0 VGA compatible controller [0300]: Intel Corporation Ivy Bridge Graphics Controller [8086:0166] (rev 09) 00:14.0 USB controller [0c03]: Intel Corporation Panther Point USB xHCI Host Controller [8086:1e31] (rev 04) 00:16.0 Communication controller [0780]: Intel Corporation Panther Point MEI Controller #1 [8086:1e3a] (rev 04) 00:1a.0 USB controller [0c03]: Intel Corporation Panther Point USB Enhanced Host Controller #2 [8086:1e2d] (rev 04) 00:1b.0 Audio device [0403]: Intel Corporation Panther Point High Definition Audio Controller [8086:1e20] (rev 04) 00:1c.0 PCI bridge [0604]: Intel Corporation Panther Point PCI Express Root Port 1 [8086:1e10] (rev c4) 00:1c.1 PCI bridge [0604]: Intel Corporation Panther Point PCI Express Root Port 2 [8086:1e12] (rev c4) 00:1c.3 PCI bridge [0604]: Intel Corporation Panther Point PCI Express Root Port 4 [8086:1e16] (rev c4) 00:1d.0 USB controller [0c03]: Intel Corporation Panther Point USB Enhanced Host Controller #1 [8086:1e26] (rev 04) 00:1f.0 ISA bridge [0601]: Intel Corporation Panther Point LPC Controller [8086:1e59] (rev 04) 00:1f.2 SATA controller [0106]: Intel Corporation Panther Point 6 port SATA Controller [AHCI mode] [8086:1e03] (rev 04) 00:1f.3 SMBus [0c05]: Intel Corporation Panther Point SMBus Controller [8086:1e22] (rev 04) 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation Device [10de:0de9] (rev a1) 02:00.0 Ethernet controller [0200]: Atheros Communications Inc. AR8161 Gigabit Ethernet [1969:1091] (rev 08) 03:00.0 Network controller [0280]: Intel Corporation Centrino Wireless-N 2200 [8086:0891] (rev c4) 04:00.0 System peripheral [0880]: JMicron Technology Corp. SD/MMC Host Controller [197b:2392] (rev 30) 04:00.2 SD Host controller [0805]: JMicron Technology Corp. Standard SD Host Controller [197b:2391] (rev 30) 04:00.3 System peripheral [0880]: JMicron Technology Corp. MS Host Controller [197b:2393] (rev 30) 04:00.4 System peripheral [0880]: JMicron Technology Corp. xD Host Controller [197b:2394] (rev 30) sudo lshw -c network *-network UNCLAIMED description: Ethernet controller product: AR8161 Gigabit Ethernet vendor: Atheros Communications Inc. physical id: 0 bus info: pci@0000:02:00.0 version: 08 width: 64 bits clock: 33MHz capabilities: pm pciexpress msi msix bus_master cap_list configuration: latency=0 resources: memory:d3a00000-d3a3ffff ioport:2000(size=128) *-network description: Wireless interface product: Centrino Wireless-N 2200 vendor: Intel Corporation physical id: 0 bus info: pci@0000:03:00.0 logical name: wlan0 version: c4 serial: 9c:4e:36:14:d4:7c width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=iwlwifi driverversion=3.2.0-23-generic firmware=18.168.6.1 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn resources: irq:45 memory:d3900000-d3901fff I also tried Manually configuring wired connection. Nether wired or wireless connects

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• A Bad Day at Work

  - by TehGrumpyCoder

  There's lots of ways of having a bad day at work... I suppose for many people, just being *at* work makes it a bad day, but I happen to be one of those people that found a way to do something I like for a living. I've always said "if you're not having fun, what's the point?" ... on the latest Zune podcast, they were interviewing someone from the WP7 team and he said they're mantra is "It's not done until it's fun" ... I like that too. But, even when you're doing what you like for a living, it can get tedious. There were times that I didn't look forward to going out and playing guitar on a Friday or Saturday night, and some nights I was looking at my watch just waiting for it to be over. Well, that was today... like Steve Martin in "The Jerk" ... the first hour was like a regular hour, but then the rest of the morning was like a day, and the afternoon has been like a week. I've got a list of stuff I need to get into my head, and it's tough when the highest technology you have during 9 hours of your day is .NET 2.0 and you can only run what IT installed. I get wrapped around the power take-off reading something and dearly want to write some code to try, but with the state of technology here, it's like trying to teach jazz chords to someone that showed up for their lesson with that stupid plastic guitar from Guitar Hero. I tried to watch a training video... downloaded it zipped so maybe it wouldn't be noticed like it might if I streamed it. Then nothing on this machine would play the video... dang! Well, if someone doesn't take me out on the drive tonight or back in tomorrow, maybe it'll be a better day... or maybe I'll d/l a bunch of training videos in a different format, or bring in a decent viewer, or download them to my Zune maybe... that would work. I suppose at age 61 there are worse things than feeling stifled... for instance, so far I've lived 2 years longer than my father... but at the same time, he's the one that pointed out that in my first letter home from Boot Camp "He's complaining, he's fine"... guess he had my number :) I think he'd appreciate "Teh Grumpy Coder"

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• Columnstore Case Study #1: MSIT SONAR Aggregations

  - by aspiringgeek

  Preamble This is the first in a series of posts documenting big wins encountered using columnstore indexes in SQL Server 2012 & 2014.  Many of these can be found in this deck along with details such as internals, best practices, caveats, etc.  The purpose of sharing the case studies in this context is to provide an easy-to-consume quick-reference alternative. Why Columnstore? If we’re looking for a subset of columns from one or a few rows, given the right indexes, SQL Server can do a superlative job of providing an answer. If we’re asking a question which by design needs to hit lots of rows—DW, reporting, aggregations, grouping, scans, etc., SQL Server has never had a good mechanism—until columnstore. Columnstore indexes were introduced in SQL Server 2012. However, they're still largely unknown. Some adoption blockers existed; yet columnstore was nonetheless a game changer for many apps.  In SQL Server 2014, potential blockers have been largely removed & they're going to profoundly change the way we interact with our data.  The purpose of this series is to share the performance benefits of columnstore & documenting columnstore is a compelling reason to upgrade to SQL Server 2014. App: MSIT SONAR Aggregations At MSIT, performance & configuration data is captured by SCOM. We archive much of the data in a partitioned data warehouse table in SQL Server 2012 for reporting via an application called SONAR.  By definition, this is a primary use case for columnstore—report queries requiring aggregation over large numbers of rows.  New data is refreshed each night by an automated table partitioning mechanism—a best practices scenario for columnstore. The Win Compared to performance using classic indexing which resulted in the expected query plan selection including partition elimination vs. SQL Server 2012 nonclustered columnstore, query performance increased significantly.  Logical reads were reduced by over a factor of 50; both CPU & duration improved by factors of 20 or more.  Other than creating the columnstore index, no special modifications or tweaks to the app or databases schema were necessary to achieve the performance improvements.  Existing nonclustered indexes were rendered superfluous & were deleted, thus mitigating maintenance challenges such as defragging as well as conserving disk capacity. Details The table provides the raw data & summarizes the performance deltas. Logical Reads (8K pages) CPU (ms) Durn (ms) Columnstore 160,323 20,360 9,786 Conventional Table & Indexes 9,053,423 549,608 193,903 ? x56 x27 x20 The charts provide additional perspective of this data.  "Conventional vs. Columnstore Metrics" document the raw data.  Note on this linear display the magnitude of the conventional index performance vs. columnstore.  The “Metrics (?)” chart expresses these values as a ratio. Summary For DW, reports, & other BI workloads, columnstore often provides significant performance enhancements relative to conventional indexing.  I have documented here, the first in a series of reports on columnstore implementations, results from an initial implementation at MSIT in which logical reads were reduced by over a factor of 50; both CPU & duration improved by factors of 20 or more.  Subsequent features in this series document performance enhancements that are even more significant. 

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• Desktop Fun: Runic Style Fonts

  - by Asian Angel

  Most of the time regular fonts are just what you need for documents, invitations, or adding text to images. But what if you are in the mood for something unusual or unique to add that perfect touch? If you like older runic style writing, then enjoy finding some new favorites for your collection with our Runic Style Fonts collection. Temple photo by ShinyShiny. Note: To manage the fonts on your Windows 7, Vista, & XP systems see our article here. The Runic Style Fonts Sable Download Worn Manuscript Download JSL Ancient Download Antropos Download Cave Gyrl Download The Roman Runes Alliance Download Ancient Geek Download Troll Download Runish Quill MK *includes two font types Download DS RUNEnglish 2 Download Runes Written *includes two font types Download Wolves And Ravens Download Art Greco Download Dalek Download Glagolitic AOE Download Linear B Download Cartouche Download Greywolf Glyphs *includes 62 individual characters Note: This group represents A – Z in all capital letters. Note: This group represents A – Z in all lower case letters. Note: This group represents the numbers 0 – 9. Download Africain *includes 62 individual characters Note: This group represents A – Z in all capital letters. Note: This group represents A – Z in all lower case letters. Note: This group represents the numbers 0 – 9. Download Cave Writings *includes 52 individual characters Note: This group represents A – Z in all capital letters. Note: This group represents A – Z in all lower case letters. Download For more great ways to customize your computer be certain to look through our Desktop Fun section. Latest Features How-To Geek ETC HTG Projects: How to Create Your Own Custom Papercraft Toy How to Combine Rescue Disks to Create the Ultimate Windows Repair Disk What is Camera Raw, and Why Would a Professional Prefer it to JPG? The How-To Geek Guide to Audio Editing: The Basics How To Boot 10 Different Live CDs From 1 USB Flash Drive The 20 Best How-To Geek Linux Articles of 2010 Five Sleek Audi R8 Car Themes for Chrome and Iron MS Notepad Replacement Metapad Returns with a New Beta Version Spybot Search and Destroy Now Available as a Portable App (PortableApps.com) ShapeShifter: What Are Dreams? [Video] This Computer Runs on Geek Power Wallpaper Bones, Clocks, and Counters; A Look at the First 35,000 Years of Computing

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• How does Trash Can works? Where can i find official specification / documentation / reference about it?

  - by MestreLion

  When trying to manage trash can from mounted NTFS volumes, I ended up reading FreeDesktop.org's reference on it. Poking around and doing some tests, I realized Ubuntu/Gnome does not follow the specs 100%. Here's why: For non-/ partitions, it always use <driveroot>/.Trash-<uid>, It never used <driveroot>/.Trash/<uid>, even when i created it in advance. While this works, its annoying: if i have 15 users, i end up with 15 /.Trash-xxx folders in my drive, while the other approach would still give a single folder (with 15 sub-folders). That "pollution" in my drives is very unpleasant. And specs say "If an $topdir/.Trash directory is absent, an $topdir/.Trash-$uid directory is to be used". Well, it IS present, so why it never uses it? root trash does not work, at least not out of the box. Open nautilus as root and click on trash, it gives error. Try to delete any file, it says "it cant move to trash". Ok, i know this can be fixed by creating /root/.local/share. But specs says "A “home trash” directory SHOULD be automatically created for any new user. If this directory is needed for a trashing operation but does not exist, the implementation SHOULD automatically create it, without any warnings or delays.". Why error then? Bug? Why do i must change /etc/fstab entries for mounted volumes, adding options like uid and guid, if the volumes are already mounted as RW for everyone? These are just some examples of deviation from standard. So, the question is: "If Ubuntu does not adhere 100% to the spec, HOW exactly does the trash work? WHERE can i find technical reference about Ubuntu's implementation of the trash?" By the way: if Ubuntu does happen to follow specs, please tell me what am i doing wrong, specially regarding the /.Trash-<uid> vs /.Trash/<uid> issue. Thanks! EDIT: Some more info: If a given fs has no support for sticky bit (VFAT, NTFS), it probably dont have for permitions either (at least VFAT surely doesnt). So what prevents one user for purging / restoring other users ./Trash-xxx ? If one can read/write his own Trash, he can also do the same for the whole drive, including other's trashes, isnt it? Or does Gnome has any "extra" protection on ./Trash-xxx folders on VFAT/NTFS fs? If Linux can "emulate" file permitions on NTFS mounting by editing /fstab uid and gid options, can it also "emulate" the sticky bit? I would really want to use /.Trash/xxx format... For the root issue: for the / partition, i can trash as root, and it goes to /root/.local/shate/Trash. But if i click on Nautilus "Trash" (as root), i get an error. Dont you? So files are correctly trashed, but i cant access it. All i can do is manually "purge" them (by deleting files on /root/.local/shate/Trash), but restoring would be very tricky (opening info files and manually moving, etc) For non-/ partitions (or at least for VFAT/NTFS), I can not even trash as root: it does not create a ./Trash-0 folder, it simply says "Cannot trash, want to permantly delete?" Why? About fstab: i use it for a permanent mount for my NTFS partitions. I have several, and if not "pre-mounted" they really cluttter desktop and/or Nautilus. Id rather have it pre mounted, integrated in my fs, in mounts like /data , /windows/xp , /windows/vista , and so on, and leave /media and its "mount/unmount" flexibility just for truly removable drives Si, if Ubuntu/Gnome truly follow the spec, is there any way to fix the root issues and to "emulate" the sticky bit for (at least) my fstab'ed NTFS fixed partitions?

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• Swap not available on System Monitor

  - by Zaki

  I had a swap partition of 1GB (RAM 1GB, Ubuntu 12.04 lts). Now swap is not shown on System Monitor neither can I hibernate my pc (sudo pm-hibernate). blkid output: /dev/sda1: UUID="B8B4FBB1B4FB706C" TYPE="ntfs" /dev/sda2: UUID="2ea7d608-2d89-4e41-9436-d05cb3ce8871" TYPE="swap" /dev/sda3: UUID="3219d03a-67e4-454b-8ce7-a27831846e35" TYPE="ext4" /dev/sda5: LABEL="Softwares" UUID="AC1CC3301CC2F47C" TYPE="ntfs" /dev/sda6: LABEL="Education" UUID="1E103E6C103E4B53" TYPE="ntfs" /dev/sda7: LABEL="Recreation" UUID="2CC8D181C8D149AA" TYPE="ntfs" /dev/sda8: LABEL="Miscellaneous" UUID="0274D6B174D6A727" TYPE="ntfs" /etc/fstab # <file system> <mount point> <type> <options> <dump> <pass> proc /proc proc nodev,noexec,nosuid 0 0 # / was on /dev/sda6 during installation UUID=3219d03a-67e4-454b-8ce7-a27831846e35 / ext4 errors=remount-ro 0 1 # swap was on /dev/sda5 during installation UUID=2ea7d608-2d89-4e41-9436-d05cb3ce8871 none swap sw 0 0 free -m total used free shared buffers cached Mem: 991 867 123 0 27 418 -/+ buffers/cache: 421 569 Swap: 0 0 0 cat /proc/swaps Filename Type Size Used Priority fdisk -l Disk /dev/sda: 160.0 GB, 160041885696 bytes 255 heads, 63 sectors/track, 19457 cylinders, total 312581808 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x9f369f36 Device Boot Start End Blocks Id System /dev/sda1 * 63 31471334 15735636 7 HPFS/NTFS/exFAT /dev/sda2 31471616 33470447 999416 82 Linux swap / Solaris /dev/sda3 33472512 62539775 14533632 83 Linux /dev/sda4 62541045 312592769 125025862+ f W95 Ext'd (LBA) /dev/sda5 62541108 125066024 31262458+ 7 HPFS/NTFS/exFAT /dev/sda6 125066088 187591004 31262458+ 7 HPFS/NTFS/exFAT /dev/sda7 187591068 250115984 31262458+ 7 HPFS/NTFS/exFAT /dev/sda8 250116048 312576704 31230328+ 7 HPFS/NTFS/exFAT swapon --all swapon: /dev/sda2: swapon failed: Invalid argument dmesg | grep -A 5 -B 5 -i swap [ 9.487404] EXT4-fs (sda3): ext4_orphan_cleanup: deleting unreferenced inode 131645 [ 9.487413] EXT4-fs (sda3): ext4_orphan_cleanup: deleting unreferenced inode 131330 [ 9.487418] EXT4-fs (sda3): 16 orphan inodes deleted [ 9.487420] EXT4-fs (sda3): recovery complete [ 9.578600] EXT4-fs (sda3): mounted filesystem with ordered data mode. Opts: (null) [ 20.580539] Swap area shorter than signature indicates [ 20.588363] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 20.619443] udevd[330]: starting version 175 [ 20.649959] lp: driver loaded but no devices found [ 20.662972] [drm] Initialized drm 1.1.0 20060810 [ 20.675515] i915 0000:00:02.0: setting latency timer to 64 -- [ 72.288573] PM: thaw of drv:sr dev:3:0:0:0 complete after 178.143 msecs [ 72.288578] PM: thaw of drv:scsi_device dev:3:0:0:0 complete after 178.136 msecs [ 72.299677] PM: thaw of drv:scsi_device dev:2:0:0:0 complete after 189.270 msecs [ 72.309473] PM: thaw of devices complete after 202.763 msecs [ 72.309668] PM: writing image. [ 72.309670] PM: Cannot find swap device, try swapon -a. [ 72.309699] PM: Cannot get swap writer [ 72.329896] Restarting tasks ... done. [ 72.331777] PM: Basic memory bitmaps freed [ 72.331792] video LNXVIDEO:00: Restoring backlight state [ 72.420048] option1 ttyUSB0: option_instat_callback: error -84 [ 72.804047] option1 ttyUSB0: option_instat_callback: error -84 -- [ 145.960625] sd 7:0:0:0: Attached scsi generic sg2 type 0 [ 145.972036] sd 7:0:0:0: [sdb] Attached SCSI removable disk [ 172.430508] PPP BSD Compression module registered [ 172.455583] PPP Deflate Compression module registered [ 332.260789] type=1400 audit(1381814763.342:27): apparmor="DENIED" operation="capable" parent=1 profile="/usr/sbin/cupsd" pid=636 comm="cupsd" pid=636 comm="cupsd" capability=36 capname="block_suspend" [ 1913.030998] Swap area shorter than signature indicates [ 2022.530155] type=1400 audit(1381816453.610:28): apparmor="DENIED" operation="capable" parent=1 profile="/usr/sbin/cupsd" pid=636 comm="cupsd" pid=636 comm="cupsd" capability=36 capname="block_suspend" [ 4062.729509] Swap area shorter than signature indicates Please help. Thanks in advance. df -h Filesystem Size Used Avail Use% Mounted on /dev/sda3 14G 6.1G 7.0G 47% / udev 488M 4.0K 488M 1% /dev tmpfs 199M 868K 198M 1% /run none 5.0M 4.0K 5.0M 1% /run/lock none 496M 224K 496M 1% /run/shm

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• Networking works on Live CD but not after installation.

  - by user9054

  Hi Friends, I have got this issue with Ubuntu 10.10. I have been with ubuntu 8.04 and then decided to try out ubuntu 10.10 . I booted with a LiveCD and was able to configure the wireless network painlessly using the livecd, so happily I installed ubuntu 10.10. As soon as ubuntu came up it detected the wireless network and i was able to assign a static IP to eth1 (i dont use DHCP option on my ADSL router) and enter a wap key and use pppoeconf to configure the dialer. The net was on and i was able to surf the net. All hunky dory so far. However on the next boot the fun started . It did not detect the wireless network. I could not see the network manager icon in the systray. I used ifconfig and saw that the entry for eth1 was missing. I used ifup eth1 and it said that eth1 was already up. Then i installed wifi-radar. Wifi-Radar detected the wireless network. I configured wifi-radar for the detected wireless network , set the wap driver as wext and used the manual IP settings. However on clicking connect wifi-radar started looking for a DHCP IP. I cannot understand why wifi-radar is using DHCP when I have specified manual settings. Then I decided to use the wired network to surf the net looking for a solution. So I plugged in the network cable from my modem , configured eth0 , used pppoeconf and connected the net. Then I foolishly decided to reboot my PC. And wonders of wonders , the same problem appeared. I cannot see eth0 in my ifconfig anymore. I used pon and it said something about network error or something. Now my ifconfig shows only lo .Can anybody help me on this. PS : 1) I tried linux mint 10 and had the same issue . on rebooting wireless network was not getting detected. 2) I have made myself the administrator so that there is no issue of rights or anything.

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• Things I've noticed with DVCS

  - by Wes McClure

  Things I encourage: Frequent local commits This way you don't have to be bothered by changes others are making to the central repository while working on a handful of related tasks.  It's a good idea to try to work on one task at a time and commit all changes at partitioned stopping points.  A local commit doesn't have to build, just FYI, so a stopping point doesn't mean a build point nor a point that you can push centrally.  There should be several of these in any given day.  2 hours is a good indicator that you might not be leveraging the power of frequent local commits.  Once you have verified a set of changes works, save them away, otherwise run the risk of introducing bugs into it when working on the next task.  The notion of a task By task I mean a related set of changes that can be completed in a few hours or less.  In the same token don’t make your tasks so small that critically related changes aren’t grouped together.  Use your intuition and the rest of these principles and I think you will find what is comfortable for you. Partial commits Sometimes one task explodes or unknowingly encompasses other tasks, at this point, try to get to a stopping point on part of the work you are doing and commit it so you can get that out of the way to focus on the remainder.  This will often entail committing part of the work and continuing on the rest. Outstanding changes as a guide If you don't commit often it might mean you are not leveraging your version control history to help guide your work.  It's a great way to see what has changed and might be causing problems.  The longer you wait, the more that has changed and the harder it is to test/debug what your changes are doing! This is a reason why I am so picky about my VCS tools on the client side and why I talk a lot about the quality of a diff tool and the ability to integrate that with a simple view of everything that has changed.  This is why I love using TortoiseHg and SmartGit: they show changed files, a diff (or two way diff with SmartGit) of the current selected file and a commit message all in one window that I keep maximized on one monitor at all times. Throw away / stash commits There is extreme value in being able to throw away a commit (or stash it) that is getting out of hand.  If you do not commit often you will have to isolate the work you want to commit from the work you want to throw away, which is wasted productivity and highly prone to errors.  I find myself doing this about once a week, especially when doing exploratory re-factoring.  It's much easier if I can just revert all outstanding changes. Sync with the central repository daily The rest of us depend on your changes.  Don't let them sit on your computer longer than they have to.  Waiting increases the chances of merge conflict which just decreases productivity.  It also prohibits us from doing deploys when people say they are done but have not merged centrally.  This should be done daily!  Find a way to partition the work you are doing so that you can sync at least once daily. Things I discourage: Lots of partial commits right at the end of a series of changes If you notice lots of partial commits at the end of a set of changes, it's likely because you weren't frequently committing, nor were you watching for the size of the task expanding beyond a single commit.  Chances are this cost you productivity if you use your outstanding changes as a guide, since you would have an ever growing list of changes. Committing single files Committing single files means you waited too long and no longer understand all the changes involved.  It may mean there were overlapping changes in single files that cannot be isolated.  In either case, go back to the suggestions above to avoid this.  Committing frequently does not mean committing frequently right at the end of a day's work. It should be spaced out over the course of several tasks, not all at the end in a 5 minute window.

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• Split Internet Explorer into Dual-Panes

  - by Asian Angel

  If you have a wide screen monitor then you may want to make better use of Internet Explorer’s browser window area. Now you can split the browser window into dual-panes as needed with the IE Split browser plugin. Note: Requires .NET Framework 2.0 or higher (link provided below). IE Split in Action If you are using an older version of this software here is something to keep in mind before upgrading to the 2.0 release. Once you have installed IE Split you will notice a new toolbar added to your browser. As seen here, you can condense it down tightly and access it using the drop-down bar. A closer look at the drop-down bar. Notice the address bar…this will be for the left pane when you split the browser window. Here is our browser split into dual-panes. There are two address bars and two tab/title bars each corresponding to their appropriate pane. It may look slightly backwards at first but is not hard to get used to. A better view of the left pane with the IE Split navigation & title bars showing. Note: The title bar can be hidden if desired. And the right pane. You can also have multiple “split” tabs open if needed. There is nothing quite like getting double the value for the same amount of space. When you no longer need dual-panes open just click on the “x” to close IE Split down. All back to normal again. Conclusion While might not be for everyone this can still be useful for those who need side-by-side access to websites without using multiple separate windows. Links Download IE-Split Download the Microsoft .NET Framework 4 (Standalone Installer) Similar Articles Productive Geek Tips Set Up Multi-Pane Viewing in FirefoxWhy Can’t I Turn the Details/Preview Panes On or Off in Windows Vista Explorer?Split a text file in half (or any percentage) on Ubuntu LinuxMysticgeek Blog: A Look at Internet Explorer 8 Beta 1 on Windows XPMake Ctrl+Tab in Internet Explorer 7 Use Most Recent Order TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips Xobni Plus for Outlook All My Movies 5.9 CloudBerry Online Backup 1.5 for Windows Home Server Snagit 10 Filevo is a Cool File Hosting & Sharing Site Get a free copy of WinUtilities Pro 2010 World Cup Schedule Boot Snooze – Reboot and then Standby or Hibernate Customize Everything Related to Dates, Times, Currency and Measurement in Windows 7 Google Earth replacement Icon (Icons we like)

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• How to debug lag using Bluetooth connected mouse and A2DP headset?

  - by gertvdijk

  I own a Logitech M555b mouse (since a week) for use with my HP Elitebook 8570w laptop running Kubuntu 12.04. Works fine right after connecting using the KDE Bluetooth control module. However, after some time (seemingly random), it starts to lag. Movements are being delayed for roughly 500ms for a short period of time. Usually it recovers after some time too, but it can take minutes. All actions are being delayed: movements, click, scrolls. Additionally, the movements can be choppy during these times. A workaround that always works for the same short period of time is to disconnect an re-connect the mouse. This can be done using the same KDE Bluetooth control module. What did I try already? Running this at boot time: echo on > `readlink -f /sys/class/bluetooth/hci0`/../../../power/level To disable any power saving features on the Bluetooth hci0 device. Check the mouse's batteries (it's just a week old, other new batteries: same result) Checking logs and kernel messages about Bluetooth-related entries: none aside the expected messages on connect time. I'm running kernel 3.5.0-13-generic as provided in the xorg-edgers PPA. Booting the regular 3.2 Precise kernel results in the same behaviour. Some other information that may help: It happens when no other Bluetooth connections are active on the machine. Similar symptoms also occur on my Bluetooth stereo (A2DP) headset, but then it's audio lagging and skipping. Swapping Bluetooth profiles as described here then helps. Conclusion: it's not the mouse that's faulty. The headset always worked fine using my now dead Thinkpad T61p with built-in Bluetooth. The bluetooth module in my laptop is connected via USB and shows up as Bus 002 Device 003: ID 0a5c:21e1 Broadcom Corp. I'm mobile and several people around me are using Bluetooth at work (A2DP mostly). It also occurs at home, where my neighbours are probably using Bluetooth as well. It could just be radio interference, but I think Bluetooth connections should just hop to another channel. And, moreover, it just works properly instantly when re-connecting. Therefore I think it's a software driver issue and I'd like to debug it. Is there any way to get more verbose logging on the Bluetooth(-hid) modules?

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• Wireless Broadcom 4313 not working on Ubuntu 12.04

  - by user88568

  It seems a lot of people are having this problem, but none of the posted solutions have worked for me so far. My driver is installed and activated, I have tried removing and re-adding the network, and various other fixes. No networks were picked up on my first boot, the next day wireless worked fine, and since then it does not detect networks, and when I manually try to connect, it repeatedly asks for the password and does not connect. Here's my info: 03:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller (rev 01) Subsystem: Dell Inspiron M5010 / XPS 8300 Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at f0500000 (64-bit, non-prefetchable) [size=16K] Capabilities: [40] Power Management version 3 Capabilities: [58] Vendor Specific Information: Len=78 Capabilities: [48] MSI: Enable- Count=1/1 Maskable- 64bit+ Capabilities: [d0] Express Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting Capabilities: [13c] Virtual Channel Capabilities: [160] Device Serial Number 00-00-a1-ff-ff-f3-70-f1 Capabilities: [16c] Power Budgeting Kernel driver in use: wl Kernel modules: wl, bcma, brcmsmac root@michelle-laptop:/home/michelle# ifconfig eth0 Link encap:Ethernet HWaddr 70:f1:a1:f3:ba:ab inet6 addr: fe80::72f1:a1ff:fef3:baab/64 Scope:Link UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:29 TX packets:0 errors:30 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Interrupt:17 eth1 Link encap:Ethernet HWaddr f0:4d:a2:53:83:7a UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Interrupt:43 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:104 errors:0 dropped:0 overruns:0 frame:0 TX packets:104 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:8000 (8.0 KB) TX bytes:8000 (8.0 KB) root@michelle-laptop:/home/michelle# lsmod Module Size Used by dm_crypt 22528 0 snd_hda_codec_hdmi 31775 1 snd_hda_codec_realtek 174313 1 snd_hda_intel 32765 5 snd_hda_codec 109562 3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel snd_hwdep 13276 1 snd_hda_codec snd_pcm 80845 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec snd_seq_midi 13132 0 snd_rawmidi 25424 1 snd_seq_midi snd_seq_midi_event 14475 1 snd_seq_midi snd_seq 51567 2 snd_seq_midi,snd_seq_midi_event parport_pc 32114 0 ppdev 12849 0 binfmt_misc 17292 1 lib80211_crypt_tkip 17275 0 bnep 17830 2 rfcomm 38139 0 snd_timer 28931 2 snd_pcm,snd_seq snd_seq_device 14172 3 snd_seq_midi,snd_rawmidi,snd_seq joydev 17393 0 wl 2646601 0 snd 62064 19 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device soundcore 14635 1 snd btusb 17912 0 bluetooth 158438 11 bnep,rfcomm,btusb uvcvideo 67203 0 videodev 86588 1 uvcvideo snd_page_alloc 14108 2 snd_hda_intel,snd_pcm lib80211 14040 2 lib80211_crypt_tkip,wl intel_ips 17822 0 psmouse 72919 0 serio_raw 13027 0 mei 36570 0 dell_laptop 17767 0 dell_wmi 12601 0 dcdbas 14098 1 dell_laptop sparse_keymap 13658 1 dell_wmi mac_hid 13077 0 lp 17455 0 parport 40930 3 parport_pc,ppdev,lp usbhid 41906 0 hid 77367 1 usbhid wmi 18744 1 dell_wmi i915 414817 3 atl1c 36718 0 drm_kms_helper 45466 1 i915 drm 197692 4 i915,drm_kms_helper i2c_algo_bit 13199 1 i915 video 19068 1 i915 root@michelle-laptop:/home/michelle# iwlist scan lo Interface doesn't support scanning. eth1 Interface doesn't support scanning. eth0 No scan results root@michelle-laptop:/home/michelle# rfkill list 0: dell-wifi: Wireless LAN Soft blocked: no Hard blocked: no 1: dell-bluetooth: Bluetooth Soft blocked: yes Hard blocked: no 3: brcmwl-0: Wireless LAN Soft blocked: no Hard blocked: no Obviously I don't know what I'm doing. I'd appreciate any help! Thanks!

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• Cannot get Virtualbox to install properly on Ubuntu 12.04

  - by lopac1029

  I cannot get Virtualbox to install properly on my 12.04. I first went with a manual install for the .deb from the old builds section of the Virtualbox page. That .deb opened up the Software Center and installed. Then I got the error coming up of VT-x/AMD-V hardware acceleration is not available on your system. Your 64-bit guest will fail to detect a 64-bit CPU and will not be able to boot. which I can only assume was due to my Ubuntu version being 32-bit (System Details - Overview - OC type: 32-bit, right?) So I followed these instructions to remove the .deb manually, restarted my laptop, and then FOUND the actual Virtualbox install in the Software Center and installed from that (assuming it would give me the correct version I need for my system) So after all that (and then some), I'm still getting the same error when I connect to my new job's project in Virtualbox. Can anyone point me in the right direction of what to do here? This is the first time I've ever worked with Virtualbox, and no one at this company is using Ubuntu, so I'm on my own here. EDIT: Here is the direct info from running the 2 suggested commands Inspiron-1750-brick:~ $lscpu Architecture: i686 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Thread(s) per core: 1 Core(s) per socket: 2 Socket(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 23 Stepping: 10 CPU MHz: 2100.000 BogoMIPS: 4189.45 L1d cache: 32K L1i cache: 32K L2 cache: 2048K Inspiron-1750-brick:~ $cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Core(TM)2 Duo CPU T6500 @ 2.10GHz stepping : 10 microcode : 0xa07 cpu MHz : 1200.000 cache size : 2048 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm dtherm bogomips : 4189.80 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Core(TM)2 Duo CPU T6500 @ 2.10GHz stepping : 10 microcode : 0xa07 cpu MHz : 1200.000 cache size : 2048 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 apicid : 1 initial apicid : 1 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm dtherm bogomips : 4189.45 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management:

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• How to generate xorg.conf? (X -configure segfaults)

  - by Nicolas Raoul

  My video card is working fine, I have no screen problem. I am trying to generate an xorg.conf so I did: [ Logout ] sudo service gdm stop [ Move away xorg.conf.back and xorg.conf.fglrx-0 that were in /etc/X11 ] sudo dpkg-reconfigure xserver-xorg sudo X -configure But this last command segfaults: X.Org X Server 1.7.6 Release Date: 2010-03-17 X Protocol Version 11, Revision 0 Build Operating System: Linux 2.6.24-27-server i686 Ubuntu Current Operating System: Linux nico 2.6.32-25-generic #44-Ubuntu SMP Fri Sep 17 20:26:08 UTC 2010 i686 Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.32-25-generic root=UUID=7447ab16-3406-442d-81e5-bb6a2d795205 ro quiet splash Build Date: 21 July 2010 12:47:34PM xorg-server 2:1.7.6-2ubuntu7.3 (For technical support please see http://www.ubuntu.com/support) Current version of pixman: 0.16.4 Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. (==) Log file: "/var/log/Xorg.0.log", Time: Fri Oct 15 16:06:11 2010 List of video drivers: i740 ark geode siliconmotion mach64 s3 r128 apm intel neomagic vesa trident chips s3virge fglrx sis savage rendition i128 tseng ztv mga openchrome radeon ati nv v4l vmware cirrus tdfx nouveau sisusb voodoo fbdev (EE) Can't load FireGL DRM library (libfglrxdrm.so). Backtrace: 0: X (xorg_backtrace+0x3b) [0x80e938b] 1: X (0x8048000+0x61c8d) [0x80a9c8d] 2: (vdso) (__kernel_rt_sigreturn+0x0) [0x34d410] 3: X (xf86CallDriverProbe+0x182) [0x80b82d2] 4: X (DoConfigure+0x1c8) [0x816b898] 5: X (InitOutput+0x1da) [0x80b98aa] 6: X (0x8048000+0x1ebbb) [0x8066bbb] 7: /lib/tls/i686/cmov/libc.so.6 (__libc_start_main+0xe6) [0x467bd6] 8: X (0x8048000+0x1e961) [0x8066961] Segmentation fault at address (nil) Caught signal 11 (Segmentation fault). Server aborting Please consult the The X.Org Foundation support at http://wiki.x.org for help. Please also check the log file at "/var/log/Xorg.0.log" for additional information. ddxSigGiveUp: Closing log Note the line Can't load FireGL DRM library (libfglrxdrm.so) Note: I do have file /usr/lib/fglrx/xorg/modules/linux/libfglrxdrm.so It is strange that it segfaults whereas I can use Gnome with no problem but well... Might be related: I tried to install the driver from ATI's website recently, and from then glxgears crashes at start. How can I generate xorg.conf in those conditions? It might or might not involve solving the segfault problem.

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