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• Firefox proxy authentication with Kerberos: one service ticket per connection (Linux)

  - by Dari

  I am trying to enable proxy authentication via Kerberos for Firefox. The setup is: Active Directory domain (for LDAP and Kerberos; this works and I can log in the computer and get Kerberos tickets without problems) Microsoft Windows witness machine (on which Firefox runs fine with no ticket problem) CentOS 6.3 system with Firefox (the tests were performed with both the 10.0.1 ESR found in the CentOS package repositories and the 15.0.1 downloaded from Mozilla's website) BlueCoat proxy with Kerberos authentication enabled For the moment, Firefox requests an element of a website, gets an HTTP error code of "407 Proxy Authentication Required" from the proxy, gets a ticket granting service (TGS) from the domain for the proxy and performs the request again while passing the ticket. The transaction runs fine. However, when more elements are requested (in parallel), Firefox requests one more ticket per proxy connection. And this takes many DNS queries, Kerberos interactions with domain controllers and costs a lot of time (for example, the home page of Adobe takes several minutes to load and at the end, I have about 30 valid Kerberos tickets). I am stuck on this since a while, and help would be greatly appreciated. Minor information: the CentOS operating system is virtualized with VMware Player 3.1.3, but I do not think this would be a game changer.

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• My Boot order changed. Why?

  - by Chris

  I have a laptop running Windows XP SP3 with one internal hard drive partitioned into C: (system), D: (storage) and I have an external hard drive, F: (external drive). Yesterday the machine was running fine. Today, I go back to it and see that it's just showing a blinking cursor. Checked through the BIOS and the hard drive checked out fine. CTRL-ALT-DELETED the machine a few times, but I was never able to boot back into the operating system. I threw in a live CD and found out that the boot order of the drives has changed. The external drive is now C:, the system partiton is D:, and the storage partition is E:. Does anyone have any idea of how or why this would have occured? Auto system updates are turned off so there should have been no automatic reboot of the system overnight, and anti-virius runs on the machine and has found no infections before this occured. Edit When I was looking through the BIOS of the machine, I did see that the boot order was changed. But still the same question remains, what would have caused this to happen? I can't believe that a random reboot happened and totally changed my hard drive setup.

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• SQL Server 2008 Bring Database Online trying to open a file from a drive that doesn't exist

  - by Nai

  This is my error I am facing TITLE: Microsoft.SqlServer.Smo Set offline failed for Database 'Go3D_Retailer ------------------------------ ADDITIONAL INFORMATION: An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo) Unable to open the physical file "E:\Program Files\Microsoft SQL Server\MSSQL10.MSSQLSERVER\MSSQL\DATA\ftrow_Go3D_catalog.ndf". Operating system error 2: "2(failed to retrieve text for this error. Reason: 15105)". Database 'Go3D_Retailer' cannot be opened due to inaccessible files or insufficient memory or disk space. See the SQL Server errorlog for details. ALTER DATABASE statement failed. (Microsoft SQL Server, Error: 5120) Background to this error I've been trying to move my destination logshipping database to another physical server for analysis purposes. Because I do not have domain keys and active directory set up, I had to hack my process by using the same username/password for both the source and destination servers to get the process to work. Following that, I used this guy's solution to move the destination database to another server. However, this error occurs when I try to bring the database back online. I don't have an E drive on my server and I have no idea why it's trying to open a file from E drive. I have over a 100gb left on my hard disk so it's definitely not a space issue. This sounds like a bug... Any ideas?

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• iPhone Lag Terrible - SLOW - What's going on with the iPhone OS?

  - by Sam Schutte

  I've had my iPhone 3G for about a year now, and it seems like at least once a month, it gets bogged down and gets slower and slower - horrible lag when typing, going back to the home screen or opening an app can take 20 seconds. Has anyone else run into this and found "the" solution. What you always read on other boards is to reboot the handset (hold down home and the power button), but that doesn't improve anything for me. I've reinstalled the OS like 5 times now, and I'm getting pretty sick of doing it so often. And I don't buy that it's a hardware issue really, since it works fine for weeks after a fresh install. Anyone have a solution or an idea of what specific actions cause this kind of evident data corruption (OS corruption?) and slowness? Note - I'm looking for specific things here. That is, has anyone done the research to see exactly what on the phone operating system is getting messed up that causes this lag (which is discussed all over the internet, with no working solutions). I don't own a mac, so I can't delve into the guts of the iPhone very well to see what's up with it... Some additional info: Reboots (hold down power/home) and "Sleeps" (slide off) do nothing. Only fresh re-installs help I only have about 15 apps installed - sometimes you see the answer to uninstall apps if you have too many, I'd hope that 15 isn't too many, and even when I've had none installed, it still gets hung up after a period of time. This phone is not jailbroken, and it is running the 3.0.1 release.

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• Disable CTRL+mouse wheel zooming in Chrome?

  - by Peter Nore

  I'm a normal-sighted person and I would like to view pages at 100% all the time. I use keyboard shortcuts that involve CTRL a lot, so about twenty times a day I accidentally hit CTRL at the same time that I'm scrolling, which results in the page being reflowed and repainted. This in is annoying because it can take up to 30 seconds to fix the issue, depending on how complex the site layout is. On sites with dynamic layout such as Google Docs the problem is more serious; accidentally hitting CTRL+mouse wheel corrupts the display and forces me to refresh the page entirely, sometimes causing me to loose information in the process. I would like to either decouple CTRL+mouse wheel from zoom, or disable zoom functionality altogether. This is possible on Firefox by using about:config; is there a similar way to edit detailed settings in Chrome? Would I have access to the detailed settings if I used Chromium instead of Chrome? I'll probably jump ship back to Firefox if I can't solve this problem. There is a superuser question that asks basically the same thing I'm asking, but for Firefox and Internet Explorer exclusively. Other people on the Chrome forum have had related issues, but none have the same problem. "I would really like it if I could deactivate the auto zoom in/out." had "something with laptops and Windows 7", not the feature built into Chrome. Other people have had PDF specific issues, which doesn't concern me. I've also tried searching for extensions that allow you to disable the scroll; I had hoped that "Zoom Lock" would have the ability to lock the zoom at 100% and prevent CTRL+scroll wheel from distorting the display, but it doesn't work for my use case. Google Chrome version 9.0.597.84 (Official Build 72991) Operating System: Ubuntu 10.10

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• Is it possible to download extremely large files intelligently or in parts via SSH from Linux to Windows?

  - by Andrew

  I have a ~35 GB file on a remote Linux Ubuntu server. Locally, I am running Windows XP, so I am connecting to the remote Linux server using SSH (specifically, I am using a Windows program called SSH Secure Shell Client version 3.3.2). Although my broadband internet connection is quite good, my download of the large file often fails with a Connection Lost error message. I am not sure, but I think that it fails because perhaps my internet connection goes out for a second or two every several hours. Since the file is so large, downloading it may take 4.5 to 5 hours, and perhaps the internet connection goes out for a second or two during that long time. I think this because I have successfully downloaded files of this size using the same internet connection and the same SSH software on the same computer. In other words, sometimes I get lucky and the download finishes before the internet connection drops for a second. Is there any way that I can download the file in an intelligent way -- whereby the operating system or software "knows" where it left off and can resume from the last point if a break in the internet connection occurs? Perhaps it is possible to download the file in sections? Although I do not know if I can conveniently split my file into multiple files -- I think this would be very difficult, since the file is binary and is not human-readable. As it is now, if the entire ~35 GB file download doesn't finish before the break in the connection, then I have to start the download over and overwrite the ~5-20 GB chunk that was downloaded locally so far. Do you have any advice? Thanks.

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• LG LW20 Express won't boot after hdd replace

  - by Mika

  My old laptop (LG LW20 Express) got a hdd failure and I replaced the hdd. Now the laptop won't boot from cd or usb. I'm trying to install ubuntu on it. When I turn the laptop on it shows me the startup screen but when it should be the time to load operating system it just gives a black screen and starts over. This loop continues until I shut down the laptop. I created the usb boot drive following this guide https://help.ubuntu.com/community/Installation/FromUSBStick/ I used my boot cd to install ubuntu on this machine I'm using right now. So at least the cd should work. From the BIOS I can see that my newly installed hdd is recognized and put as a secondary master. Also the cd and removable media are in the boot list before hdd. The laptop runs pretty hot. The fan is at full speed pretty soon after the laptop is turned on. Earlier I suspected that it would have been the almost broken hdd that would have produced that heat but there obviously is something else also. Any ideas what to check?

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• Simple Linux program that takes any HTTP/HTTPS request and returns a single page?

  - by ultrasawblade

  I have a Linux box operating as router. There's a NIC that's connected to the internet (WAN), a NIC connected to an 8-port GbE switch (LAN), and a NIC connected to a Linksys wireless N-router (WLAN). Routing between everything is working perfectly. I have security completely disabled on the wireless router, but the WLAN NIC is firewalled such that it will only accept DNS queries and PPTP VPN connections. Currently HTTP/HTTPS traffic and everything else is blocked. I would like to run something that listens on port 80/443 of the WLAN NIC, and, for non VPN'ed connections, given any HTTP/HTTPS request it will return a single webpage saying "Unauthenticated" and explain how to sign into the VPN. A transparent proxy seems to be what I need, but my searches all seem to direct me to Squid, which is already running on my server and seems overkill for this simple task. Is there a simpler, lightweight program out there that does just this or should I just suck it up and run two instances of Squid (or figure out how to configure it)? Or, is this entire VPN thing I'm doing complete nonsense and I should just enable encryption on the wireless router?

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• How can I enable pid and ppid fields in psacct dump-acct?

  - by annavt

  I am currently using the psacct package on Centos to perform accounting on processes run by users. The info file1 suggests that it is possible to output pid and ppid depending on what information your operating system provides in it's struct acct. pid and ppid are listed in /usr/include/linux/acct.h on my system: struct acct_v3 { char ac_flag; /* Flags */ char ac_version; /* Always set to ACCT_VERSION */ __u16 ac_tty; /* Control Terminal */ __u32 ac_exitcode; /* Exitcode */ __u32 ac_uid; /* Real User ID */ __u32 ac_gid; /* Real Group ID */ __u32 ac_pid; /* Process ID */ __u32 ac_ppid; /* Parent Process ID */ ... But pid and ppid are not output when I run dump-acct: # dump-acct /var/account/pacct.1 | tail awk | 0.0| 0.0| 81.0| 0| 0|8792.0|Thu Nov 24 04:03:04 2011 tmpwatch | 0.0| 0.0| 1.0| 0| 0|3816.0|Thu Nov 24 04:03:04 2011 cups | 0.0| 0.0| 4.0| 0| 0|8728.0|Thu Nov 24 04:03:04 2011 awk | 0.0| 0.0| 4.0| 0| 0|8792.0|Thu Nov 24 04:03:04 2011 runlevel | 0.0| 0.0| 0.0| 0| 0|3804.0|Thu Nov 24 04:03:04 2011 chkconfig | 0.0| 0.0| 0.0| 0| 0|3840.0|Thu Nov 24 04:03:04 2011 inn-cron-expire | 0.0| 0.0| 0.0| 0| 0|8728.0|Thu Nov 24 04:03:04 2011 awk | 0.0| 0.0| 0.0| 0| 0|8792.0|Thu Nov 24 04:03:04 2011 gzip | 5.0| 0.0| 9.0| 0| 0|4044.0|Thu Nov 24 04:03:04 2011 accton | 0.0| 0.0| 1.0| 0| 0| 0.0|Thu Nov 24 04:03:04 2011 Is it likely that there is no support in my kernel for this feature or that my psacct version does not support this? How can I add pid and ppid to my accounting logs? CentOS release 5.6 Kernel 2.6.18-238.19.1.el5 psacct 6.3.2 Thanks in advance Anna

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• What are the most important aspects to consider when choosing a SAN for a small office virtualizatio

  - by Prof. Moriarty

  I am in the process of consolidating 6 physical servers running 6 different operating system flavors (don't ask) into two identical physical servers (Dell PowerEdge 2900), using the free VMware ESXi 4.0 platform. We will install an iSCSI SAN over a 1GbE network, and store all virtual machine images on the SAN. Each physical server would run 3 VMs, and in the case of a physical server failure, we would manually switch over the other 3. These are all internal servers, while important, they can tolerate some amount of downtime (say <1h) to keep cost and complexity associated with HA down. I now need to choose the SAN to be used for the setup, on a low budget. We currently have about 2TB of data, but of course I want to able to grow, do backups of VM snapshots on other drives and remove them to a different location, etc. So what I would like to know is: Which are the must have features for this setup, without which using a SAN is not worth it? We are mostly a Dell shop, so I have been looking at the EqualLogic PS4000E High Availability model. Any opinions, anecdotes, bad experiences with this model? (This is one of the few models which could accomodate our existing disks from the physical servers.) If you can recommend something that is not Dell, but it has better value, I would most definitely consider it. Caveats, things to look out for?

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• Solid State Drive Occasionally Freezes For A Minute While OS Is "Beach Balling"

  - by Boris_yo

  Almost a month ago I bought Intel 330 128GB solid state drive, migrated my data with Intel branded limited-feature Acronis from old HDD to new SSD, optimized with Intel Toolbox and started using it. Occassionally I get close to 1 minute freezes while seeing operating system "beach balls" and animations still work, I can interact and click on something but nothing responds, nothing loads. Recently a couple of such freezes occurred in shorter amount of time in a row. I have noticed that if I stop interacting with laptop, the freeze lasts less time than if I was interacting with laptop. But the bigger problem is when freeze just does not end and computer keeps being stuck unlil it is more than half hour and I run out of patience to keep waiting and feeling I need to restart the system because I am not getting anywhere. Such freeze happened while laptop was cold booting into Windows 7. This is when freeze hang occurred and I had to restart, only later to be greeted with Windows recovery screen stating something about faiure of boot sector and asking to insert Windows repair CD. But after I restarted, Windows booted successfully and all was well. I have filmed video of freeze hang occurring in cold boot which you can see here (on video page look below for description): http://www.youtube.com/watch?v=8b7MQlcDTUs As I have mentioned in the beginning, the SSD is less than a month old but here is S.M.A.R.T statistics just in case (TRIM is enabled btw according to CrystalDiskInfo): I want to emphasize that this SSD is the only drive I have, yet it is working in RAID mode (it was enabled initially in BIOS by previous laptop's owner) on Intel Rapid Storage drivers. I am contemplating about switching to AHCI mode but want to be sure this won't cause data loss. Additionally, the stock firmware is the only firmware available currently, yet Intel does not respond to my posts in their community board. If anyone here has this SSD model or generally has experience with SSD drives, I would love to know your thoughts.

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• Errors generating gpg keypair

  - by Evan Lynch

  I posted this originally on stackoverflow, but was told that it was offtopic and this would be the better place to post it, so I am reposting it here and deleting my original topic. I have a rather old PGP key, but I've long ago lost the private key for it, so I'm trying to generate a new key with GPG on Windows 7. While it technically generates the key, GPA crashes every time I generate the keypair. I've tried this four times now and just downloaded what appears to be the latest version of Gpg4Win and am still receiving this problem. A comment on my original post informed me that GPA crashes is not a very good description of the problem, but unfortunately I can't do much better than that: all it tells me is "gpa.exe has crashed and will close now", I don't get an error dump or anything. Is there anything I can do to fix this, or is this just a bug in the latest version of Gpg4Win? Here are the specs of GPG that I'm using: GPA 0.9.4. GnuPG 2.0.22. My operating system is Windows 7 64 Bit, and I have 5 GB of RAM. Also, I was told to try generating the keypair on the command line but can't find any documentation for how to do this in Windows 7. If anyone could link me to current documentation for this, that would be a good workaround for solving this problem.

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• linux command prompt ftp to ftp server running on windows

  - by Vass

  Hi, I am using on Windows Vista, Filezilla server. I have it set up to be accessed via outside IPs and when I use a client on the IP I have it connects normally using Filezilla client. On the same machine I have Ubuntu running in a virtual box and when using filezilla client in there it works fine. Now I want to try the command prompt. So I do the ftp xxx.xxx.xx.xx I enter the name and password and i get the ftp command prompt, but the commands are not working properly. when trying "ls" or "cd" these commands do not work. "cd" tells me that the current directory is "/" root, but this does not make sense in the windows operating system. Now the filezilla client is taking the user in the application window directly to the root folder of the permitted filespace granted to that user. How can the same be done from the command prompt, if there is a way? It is as if the command prompt takes me to the root which does not exist or even have correct permissions to move in. Is there any way to be taken to the correct directory directly, or move there especially when the slashes are the wrong way around etc? Best,

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• Mysqld increases the load on the CPU and drops after flush-tables

  - by mirage

  Help please advice on the issue. Normal load on the cpu 20-30% us + sy. After restoring the database files from the slave server (same version) began a periodic problem. mysql starts to load the cpu at 100% (us + sy grows proportionally). The queue is growing, everything slows down. But with mysqladmin flush-tables are normalized for a few hours. Dedicated linux server running mysql 2 x E5506 24Gb RAM, database size 50Gb. [OK] Currently running supported MySQL version 5.0.51a-24 + lenny4-log [OK] Operating on 64-bit architecture -------- Storage Engine Statistics --------------------------------------- ---- [-] Status: + Archive-BDB-Federated + InnoDB-ISAM-NDBCluster [-] Data in MyISAM tables: 33G (Tables: 1474) [-] Data in InnoDB tables: 1G (Tables: 4) [-] Data in MEMORY tables: 120K (Tables: 3) [-] Reads / Writes: 91% / 9% [-] Total buffers: 12.8M per thread and 7.1G global [OK] Maximum possible memory usage: 15.8G (66% of installed RAM) 4000 - 5500 rps key_buffer = 1536M max_allowed_packet = 2M table_cache = 4096 sort_buffer_size = 409584 read_buffer_size = 128K read_rnd_buffer_size = 8M myisam_sort_buffer_size = 64M thread_cache_size = 500 query_cache_size = 100M thread_concurrency = 24 max_connections = 700 tmp_table_size = 4096M join_buffer_size = 4M max_heap_table_size = 4096M query_cache_limit = 1M low_priority_updates = 1 concurrent_insert = 2 wait_timeout = 30 server-id = 1 log_bin = /var/log/mysql/mysql-bin.log expire_logs_days = 10 max_binlog_size = 100M innodb_buffer_pool_size = 1536M innodb_log_buffer_size = 4M innodb_flush_log_at_trx_commit = 2 How to solve the problem?

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• Monitor goes black for a few seconds

  - by privatehuff

  I have a Hanns G 28" monitor, Model # HG281D It has its issues (viewing angle sucks) but has been functional and solid, great for desktop stuff. Worked without any sign of any problems for 6-12 months. However, now the monitor "goes black" for about 2-3 seconds, almost like when you click "detect display" It does not turn off (power light does not go amber) The computer is completely unaffected and the video mode never changes when the picture returns. The computer is fully responsive and will keep playing music or taking my keypresses during the time I can't see anything. (it just happened and I kept typing, etc) It happens on multiple computers across several operating systems. (I have an 8-port iogear KVM switch that has several computers connected) But, it seems to happen only on certain computers. I have a hackintosh that does it, a windows 7 PC that does not, a lenovo laptop that does not, and my old ubuntu 8.10 box did not do it, but my new mint 8 box does do it. I've check the connections and tried changing out the power cable and the vga cable. Sometimes it won't happen for hours (or days) and sometimes it happens several times per hour. It was happening many months ago, did not happen for months, and has now started happening again. Does this make any sense? What could it be?

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• Is there a way to exclude a specific drive vdi from "snapshots" in VirtualBox?

  - by Graza

  ...or is there another space-efficient way of dealing with the page/swap file of the Guest O/S? I've realised that its quite possible/likely that one of the things which "bloats" the snapshot/diff vdi's when a snapshot is taken is the guest operating system's pagefile. For example, say I have a 2Gb swap-file in a Windows guest OS, and over the course of a few weeks the usage of the swap file has gone over 1Gb a couple of times. When I next create a snapshot, it seems likely that I'd be almost guaranteed around 1Gb of space taken up in the new differencing disk just because of changes in the swap file. Obviously (provided I never did "live" snapshots on running or paused machines, and only ever did them when the machine was shut down), I would not need any of the information in the swap file to be saved. So this would simply be a waste of 1Gb. I'm wondering if there's a way to attach a vdi to a VM and flag it as "exclude from snapshots" - which would mean I could put the swap file on a different vdi which would never be included in a snapshot. Or if anyone has any other suggestions. Or an explanation about why it might not be an issue. I could obviously delete and recreate a swap drive vdi every time I did a snapshot to achieve the same effect, but this is a little more effort than simply clicking "create snapshot"....

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• Windows VPN for remote site connection drawbacks

  - by Damo

  I'm looking for some thoughts on a particular way of setting up a estate of machines. We have a requirement to install machines into unmanned, remote locations. These machines will auto login and perform tasks controlled from a central server. In order to manage patching, AV, updates etc I want these machines to be joined to a dedicated domain for this estate. Some of the locations will only have 3G connectivity (via other hardware), others will be located on customer premises in internal networks. The central server (of ours) and the Domain Controller will be on a public WAN. I see two ways of facilitating this. Install a router at each location and have a site to site VPN between the remove device and the data centre where the servers are location Have the remote machine dial up and authenticate via a Windows VPN connection to the DC via RAS Option one is more costly to setup and has a higher operational cost. It also offers better diagnostics if the remote PC goes down. Option two works well but is solely dependent on the VPN connection been made before any communication can be made to the remote machine. In a simple test, I can got a Windows 7 machine to dial a VPN prior to authentication to a domain, then automatically login to the machine using domain credentials. If the VPN connection drops, it redials. I can also create a timed task to auto connect every hour in case of other issues. I'd like to know, why (if at all) is operating a remote network of devices which are located in various out of band locations in this way a bad idea? Consider 300-400 remote machines all at different sites. I'd rather have 400 VPN connections to a 2008 server than 400 routers, however I'd like to know other opinions on this.

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• apache2 server running ruby on rails application has go daddy cert that works in chrome/firefox and ie 9 but not ie 8

  - by ryan

  I have a rails application up on a linode ubuntu 11 server, running apache2. I have a cert purchased from godaddy, (where we also bought our domain) and the cert is installed on my server. Part of my virtual host file: ServerName my_site.com ServerAlias www.my_site.com SSLEngine On SSLCertificateFile /path/my_site.com.crt SSLCertificateKeyFile /path/my_site.com.key SSLCertificateChainFile /path/gd_bundle.crt The cert works fine in Chrome, FireFox and IE 9+ but in IE 8- I get this error: There is a problem with this website's security certificate. The security certificate presented by this website was issued for a different website's address. I'm hosting multiple rails apps on this same server (4 right now plus some old php sites that don't need ssl). I have tried googling every possible combination of the error/situation that I could think of but at this point I'm shooting in the dark. The closest I could come up with is that some versions if IE don't support SNI. But that doesn't apply here because I am getting the warning on windows 7 machines running IE 8, and the SNI only seemed to apply to IE 8 if the operating system was windows XP. So why is this cert being accepted by all browsers but giving me a warning in IE 8? Edit: So doing a little more digging and I figured out some more. It turns out this is effecting IE 9 as well. However the problem seems to be that IE is not traversing the ssl chain to get to the right cert. FireFox and Chrome when I go to view certificate show the correct one, but IE is showing one of our other sites certificates. REAL QUESTION HERE: That being the case why is IE not getting the right certificate when others are and how do I fix it?

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• Ubuntu 12.04/12.10 can't detect windows or any other partitions(Asus z77 UEFI BIOS)

  - by user971155

  I've recently completed tinkering my new pc(motherboard ASUS z77 with UEFI BIOS) and unfortunately not everything works quite well. After installing windows 7 ultimate on a single primary partition(SATA drive) I decided to allocate one more logical partition for additional needs. When I tried doing it with the manager - it said that it couldn't allocate requested size even though I certainly asked for much less than it was available. I thought that it might have been a windows issue and proceded to installing Ubuntu 12.10 x64. When the graphical interface loaded it showed me a message stating that it can't find any other operating system on the drive. When I used custom partioning option it showed me none of my current partions(including that with windows). However, when I boot with "Try Ubuntu" feature it does find them ! I find it weird though. Here's what the console present me with: ubuntu@ubuntu:~$ sudo os-prober /dev/sda1:Windows 7 (loader):Windows:chain ubuntu@ubuntu:~$ sudo fdisk -l Disk /dev/sda: 640.1 GB, 640135028736 bytes 255 heads, 63 sectors/track, 77825 cylinders, total 1250263728 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: 0x00072b98 Device Boot Start End Blocks Id System /dev/sda1 * 2048 206847 102400 7 HPFS/NTFS/exFAT /dev/sda2 206848 100020223 49906688 7 HPFS/NTFS/exFAT /dev/sda3 100022270 1250263039 575120385 5 Extended /dev/sda4 566669312 1250263039 341796864 83 Linux I also tried creating partitions from disk utility which results in error: , Error creating partition: helper exited with exit code 1: In part_add_partition: device_file=/dev/sda, start=51211402240, size=1923000000, type=0x83 Entering MS-DOS parser (offset=0, size=640135028736) MSDOS_MAGIC found looking at part 0 (offset 1048576, size 104857600, type 0x07) new part entry looking at part 1 (offset 105906176, size 51104448512, type 0x07) new part entry looking at part 2 (offset 51211402240, size 588923274240, type 0x05) Entering MS-DOS extended parser (offset=51211402240, size=588923274240) readfrom = 51211402240 MSDOS_MAGIC found Exiting MS-DOS extended parser looking at part 3 (offset 290134687744, size 349999988736, type 0x83) new part entry Exiting MS-DOS parser MSDOS partition table detected containing partition table scheme = 1 got it Error: Can't have overlapping partitions. ped_disk_new() failed Here's what I get when I try to install the system i.stack.imgur.com/pjlb9.png, i.stack.imgur.com/g1lXN.png P.S. It's strange that I even can't create any more partitions neither with disk-utility nor with windows 7 native tools

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• is ksplice production ready?

  - by faultyserver

  I would be interested to hear the serverfault community's experiences with Ksplice in production. Quick blurb from wikipedia: Ksplice is a free and open source extension of the Linux kernel which allows system administrators to apply security patches to a running kernel without having to reboot the operating system. and Ksplice can, without restarting the kernel, apply any source code patch that only needs to modify the kernel code. Unlike other hot update systems, Ksplice takes as input only a unified diff and the original kernel source code, and it updates the running kernel correctly, with no further human assistance required. Additionally, taking advantage of Ksplice does not require any preparation before the system is originally booted (the running kernel does not need to have been specially compiled, for example). In order to generate an update, Ksplice must determine what code within the kernel has been changed by the source code patch. So a few questions: How has the stability been? any odd issues that you have encountered with its 'rebootless live patching' of the kernel? Kernel panics or horror stories? I have been running it on a few test systems and so far its been working as advertised, but I am interested in what other sysadmins experiences have been with Ksplice before going 'all in' and deploying this on our production servers. So, anybody using Kspice in production? update: hmm, not seeing any real activity on this question after a couple of hours (besides some kind upvotes and favs). Maybe to spark some activity I'll also ask a few more questions and see if we can get this discussion going... "If you are aware of Ksplice, is there a reason you are not using it?" "Do you feel its still too bleeding edge, unproven or untested?" "Does Ksplice not fit well within your current patch-management system?" "Do you hate having systems that have long (and secure) uptimes?" ;-)

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• MacOS creates a new mount on AFP path calls

  - by jAndy

  Hi Folks, following scenario: In my webapp, my customers are using Firefox as target browser. They have the need to open afp:// folders via Javascript. To make a long story short, this really works. You need to setup Firefox with about:config and set the value network.protocol-handler.external.afp to true. What happens then, the operating system (OSX) takes care of that path and it correctly opens a Finder window. The problem: OSX does create a new mount every time. It cannot distinct between afp://host/path/111 and afp://host/path/222 for instance. Furthermore, even if the afp path is 100% identical a new mount is created. It looks like this is the default behavior from OSX regardless of Firefox. So, is there any chance I can tell OSX not to create a new mount for some sub directorys which should get access over afp:// ? update: It looks like, there are OSX applications which can change the default behavior for network protocols. So you can change "somewhere" which application OSX should call for a protocol. If that is true, wouldn't it be possible to create a script which just opens the local path without a afp:// prefix ? The question here is, where is that configuration (?) to tell OSX which application to use for specific protocol. Any help welcome!

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• how to setup a bridge with 2 NICs and few virtual machines

  - by Bond

  Here is my situation. I have a server with 2 NICs. I have installed virtual box and I have created a few Guest Operating Systems on it. I want these Virtual Machines to be using a bridge.NIC2 would be used to setup this bridge and NIC1 would be connected to corporate network.I am not clear with how should I go on doing this. /etc/network/interfaces is the file which I am trying to modify etc. My approach is following 1) Define a configuration file /etc/network/interfaces 2) Create IPTABLES as how NIC1 will forward the packets to Bridge on NIC2 Now comes the problem I do not understand what is the meaning of following lines in the configuration file auto lo iface lo inet loopback # The primary network interface auto eth2 iface eth2 inet manual auto br0 iface br0 inet static address 192.168.1.14 netmask 255.255.255.0 network 192.168.1.0 broadcast 192.168.1.255 gateway 192.168.1.10 # dns-* options are implemented by the resolvconf package, if installed dns-nameservers 192.168.13.2 dns-search myserver.net bridge_ports eth2 bridge_fd 9 bridge_hello 2 bridge_maxage 12 bridge_stp off So any pointers to what should be the entries of /etc/network/interfaces file. So that I understand which parameter is to be used when and where that would help me.

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• Is it possible for a faulty processor to cause audio static/noise?

  - by Tom

  I have a Core 2 Extreme processor I received from a friend and have set up an XBMC box using it. However, I constantly get audio static whenever playing any music or videos. Here is a video of the sound: http://www.youtube.com/watch?v=SqKQkxYRVA4 I have tried replacing everything short of the case and the processor, including cables, audio interfaces, operating systems, ram, etc, leading me to think it might be either the case shorting out the motherboards I have tried or a faulty processor. Is it possible for a faulty processor to cause audio static/noise? Any feedback would be appreciated. Edit - Here's a list of things I have tried: Reinstalling OS Installing/upgrading/repairing PulseAudio/Alsa Installing alternate OSes, straight Ubuntu, Lubuntu, Xubuntu, Arch, Mint, Windows 7 Switching audio from the external card to internal Optical, audio out through HDMI, audio out through headphones Different ports on receiver (my main desktop sounds fine on the same sound system) Different optical cables Unplugging everything unnecessary from the motherboard (1 HD, 1 Stick of Ram, 1 Keyboard) Swapping out ram Swapping out the motherboard Replacing the Graphics Card (was replaced due to fan being noisy, not specifically for this problem) Different harddrives Swapping power supply Disabling onboard audio Switching Power Cable Plugging in through surge protector Plugging into different outlet on separate circuit

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• Windows 2008 R2 RDS - Double Login

  - by colo_joe

  Issue: Double logins when connecting to RemoteApps or Remote Desktop Environment: Gateway = 1 server 2008 R2 - Roles = Gateway, Session Broker, Connection Mgr, Session Host Configuration server Session hosts = 2 servers 2008 R2 - Roles = App Manager and Session host configuration Testing: I can get to the url http://RDS.domain.com/rdweb - I get prompted for authentication (1) Pass authentication, get list of remote apps. Click on remoteapps or remote desktop, get prompted for authentication again (2). Pass authentication, I get access to app or RDP. Done so far. On session host Signed rdp files with cert. Added the following to the custom RDP settings: Authenticaton level:i:0 = If server authentication fails, connect to the computer without warning (Connect and don’t warn me). prompt for credentials on client:i:1 = RDC will prompt for credentials when connecting to a server that does not support server authentication. enablecredsspsupport:i:1 = RDP will use CredSSP, if the operating system supports CredSSP. Edited the javascript file as found in http://support.microsoft.com/kb/977507 Added Connection ID, and added Web Access server to TS Web Access Computers group on the Session host servers, and Signed apps as found in hxxp://blogs.msdn.com/b/rds/archive/2009/08/11/introducing-web-single-sign-on-for-remoteapp-and-desktop-connections.aspx Note: This double login happens internally and externally.

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• Windows Action Center notification icon says Backup in Progress when no backup is occurring

  - by allquixotic

  How can I get Windows Action Center's little flag in the notification area to stop saying "Backup In Progress" on Windows 8? It's driving me nuts. I disabled the Windows Backup service completely and turned off File Recovery. Nothing that I can tell is using any disk I/O whatsoever, by examining Task Manager's resource monitor. It's just a visual cue that seems totally wrong considering my disk is only using about 50 KB/s of sporadic writes for superfetch etc. This wouldn't be a problem for me, since I rely on the knowledge that the Backup service is disabled and there's no disk activity, but I am trying to support a more traditional user who relies on visual cues from the operating system and trusts them over low-level observations like "...but the Windows Backup service is disabled!" Therefore this user still thinks that the backup is going on, even after the service is disabled. Technically, I think this is a bug in Windows 8. It really should not be displaying "Backup in Progress" if ... you know ... a backup, is not, in progress. Which it isn't. Is there a workaround?

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