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• How to join a Windows Domain and Map Network Drives?

  - by AgainstClint

  I just installed the current build for Ubuntu on a partition for my work computer. I am a novice when it comes to Linux/Ubuntu, which is why I installed it along side windows. I want to learn how to operate and use Ubuntu much more than I do now, so I figured installing it and trying to do day to day functions here would be a "Thrown into the pool with sharks" way to do it, and I like that way. I did however have a few questions: We are on a Domain in Windows, is there any way to join that domain using the Ubuntu partition? We Also have 16 mapped network drives. I don't actually need ALL of them mapped for Ubuntu, but is there a way to Map at least one of them to see/use here in Ubuntu. Outlook Corporate email, how can I sign in/use it while...well, you get the idea. As I said earlier, I am VERY new to Ubuntu, i've only played around with it a bit at home and never at the office. If you could simplify it down for me a bit, that would be great.

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• How to change memory for DomU runtime

  - by saffron

  I have a xen server with xen-4.1.3, linux-image-3.2.0-3-amd64, debian squeeze and 16Gb of RAM. The domain-0 has 1Gb of ram, the rest of memory belongs to the hypervisor. I want to start a guest domain with a minimal amount of memory and increase it runtime later. When I start a guest domain with 256Mb of ram and run xm mem-set domu 4Gb, I get ~3Gb only in domu and a guest domain free says: root@test:~# free total used free shared buffers cached Mem: 2830620 72868 2757752 0 2432 43504 -/+ buffers/cache: 26932 2803688 Swap: 1048572 0 1048572 And a guest domain dmesg says: [ 0.000000] Memory: 175912k/2883584k available (3527k kernel code, 448k absent, 2707224k reserved, 3210k data, 612k init) When I start a guest domain with 2Gb of ram I can run xm mem-set domu 7Gb and get ~7Gb of ram in a guest domain: root@test:~# free total used free shared buffers cached Mem: 6828228 74944 6753284 0 1328 12568 -/+ buffers/cache: 61048 6767180 Swap: 1048572 0 1048572 And a guest domain dmesg: [ 0.000000] Memory: 1674960k/16651264k available (3527k kernel code, 448k absent, 14975856k reserved, 3210k data, 612k init) How can I start a guest domain with a minimal amount of ram (256Mb) and increase it under 15Gb?

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• Relating ping to perceived browser GUI response

  - by cvsdave

  We periodically get complaints of poor GUI (browser page) response that we need to explore. I am looking for a quick and cheap first check to see if the issue is network latency, or server performance. Has anyone encountered any discussion of ping time and perceived GUI response? I understand that GUI response is complicated, but it would be nice if we could find or develop a rule of thumb along the lines of "Hmmmm, ping is over 200, it might be network problems". Ideally, this lives in a script on the user's machine so that we can see the latency that they are seeing... (BASH, Linux). A reference to a good discussion page would be a fine answer, as would any recommendation of other source material.

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• Searching Multiple Terms

  - by nevets1219

  I know that grep -E 'termA|termB' files allows me to search multiple files for termA OR termB. What I would like to do instead is search for termA AND termB. They do not have to be on the same line as long as the two terms exists within the same file. Essentially a "search within result" feature. I know I can pipe the results of one grep into another but that seems slow when going over many files. grep -l "termA" * | xargs grep -l "termB" | xargs grep -E -H -n --color "termA|termB" Hopefully the above isn't the only way to do this. It would be extra nice if this could work on Windows (have cygwin) and Linux. I don't mind installing a tool to perform this task.

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• Hooking domain to home server (WinServer2008) with specific port

  - by user1071461

  Alright, I'm asking two things here. First of all, if i purchase a domain let's say myhomeserver.com, am I able to make the default port go through a different port instead of the default port 80? (that is without having to do myhomeserver.com:5000 for example). Also this should be without blocking other ports (so no stealth forwarding to myhomeserver.com:5000 i think) Secondly, How could I go about hooking a domain to a windows 2008 server? I've seen it on linux but no clue how to do it on windows if it's even possible. I know I'm asking a lot here, just some tips are appereciated. Also, yes I know, using a home server is horrible for security and preformance and whatnot, I understand this already, thanks ^^

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• Send emails in a non-interactive way in OS X

  - by flow

  I am using Mail.app in OS X 10.7. In a text file I have a list with 500 different email addresses, extracted from my address book, each one in a different line. I would like to send some christmas. So I prepared a text template and I would like to send same text in an email to each recipient, just to each one. So I wonder if using some scripting this could be done in a non-interactive way in OS X. In Linux I think this could be done using "mutt".

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• How to make a Windows 8 clean install without prior Windows installation or key?

  - by fmsf

  I've been a Mac user for ages and I don't have any copy of Windows (xp, vista or 7). So I need to make a clean install on my custom built pc currently running Linux. I have found some information regarding the existence of a "Windows 8 pro system builder" which will allow clean installs in blank disks without any pre-requisites for prior Windows versions, but all information is very vague and without references. Does anyone know how to do this kind of installation? Where can I buy the Windows 8 system builder?

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• How to stop windows 7 from asking to format a disk?

  - by clinux

  Hey guys, I have this USB flash drive with a Linux partition that I use inside VirtualBox. Each time I insert it into the USB port, windows keeps asking if it should format it. Is there anyway to disable Windows from asking that? Thanks. EDIT: Disabling auto-run has not resolved the problem unfortunately. Windows will still check if the disk contains a partition it knows about, and ask to format if it doesn't know it. Really nice try though, any other ideas?

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• Multisystem Script won't work! "Syntax error:redirection unexpected" Worked 2 days ago?

  - by user74005

  this is my first question. I use Multisystem all of the time and have installed it on both Kubuntu and Ubuntu and have used it with no issues. I wiped my hard drive to try some new OSs I'm now using the exact same OS (Ubuntu 12.05) I used to load my USB stick to begin with and now I'm getting this ridiculous syntax error. I know the script is correct, I'm following the exact same steps I used to get to this point and I'm getting different results ?!?! I'm very confused by this. I have no clue how to begin addressing this issue. I get the same syntax error on Kubuntu now too, which did have multisystem installed. I run "sh install-depot-multisystem.sh" and get "Syntax error:redirection unexpected", this worked literally 2 days ago. The only thing that has changed is my face has grown some more facial hair and my head hurts from bangin it against the wall over this issue. The OS is exactly the same, the script is the same; but now it won't install. I'm lost and really hoping someone can help. Append Just to append to this a bit https://lists.ubuntu.com/archives/ub...er/000264.html I needed to do a chmod 777 on the script, I'm still getting a syntax error on Kubuntu...but it did install successfully. I'll mark this as resovled! Thanks anyway, I'll try to spruse up on my Linux skills.

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• Fresh install of 12.04 using USB stick booted into tty1

  - by croc

  I just installed 12.04 Alternate for the first time to give it a try using a USB stick burned with UnetBootIn. It installed without a problem. But it booted into a tty1 console without booting into a GUI. After logging into the tty1 console, I typed unity. It appeared that the system doesn't have unity desktop. How can it be solved? My installation didn't show any error. Something worth mentioning: During installation, I had to choose an option saying 'customize the system to your needs' something like that I don't remember correctly with options 'SSH server','Mail Server', 'Ubuntu Desktop',.....,'Manual selection of packages' etc. I chose 'Ubuntu Desktop'. I haven't encountered something like this in 11.04. To do an installation of Alternate iso using UnetBootIn, i used '12.04_Hdmedia' option of that software and had to change file extension of .ude to .udeb in /pool/main/l/linux that i found in Alternate ubuntu cdrom detect to go around with the cdrom detection problem. I have a 945G intel graphics.

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• How you choose your first job as a programmer? [on hold]

  - by sliter

  For Brief I am a recently graduated CS student. I am looking for a job these days, but I have no idea what kind of software development jobs I like(embedded system,web development or else...). And I am looking for your advice. Here is a little more While I was a student, I had an one year internship experience as a system engineer in a semi-conductor company where I wrote Linux driver, tuned system performance, etc.. I was happy about this experience as it allowed me to deepen my understanding of the operating system and different low level things. And I thought "Em, I will continue in the embedded area after I graduate". At the end of my study, I am doing an another internship in web development, both front-end and back-end. And I also enjoys a lot the process of learning new things and making it work (Backbone, Node, socketio, etc..). Now, when I am looking for a software development position, I do not know what to apply! All I know is that I want a job which allows me to keep up with the trends instead of repeating. But besides this, I've no idea what specific type of job I want to do. Turn back to embedded system? Continue with web development? Change to other promising areas(data mining)? All these development positions makes no big difference to me. But I think this is not good and I need some criteria at choosing. So I am looking for advice and I would really appreciate if you can share your experience.

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• Testifying that somaxconn change can make a difference

  - by petermolnar

  I got into an argument on the net.core.somaxconn parameter: I was told that it will not make any difference if we change the default 128. I believed this might be enough proof: "If the backlog argument is greater than the value in /proc/sys/net/core/somaxconn, then it is silently truncated to that value" http://linux.die.net/man/2/listen but it's not. So does anyone know a method to testify this with two machines, one running, for example MySQL or LVS and the other is hammering it in a GBit network? I'm opened to any solution, scripts are slightly more welcome.

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• Building MySQL with boost on windows

  - by user13177919

  As you've probably heard already MySQL needs boost to build. However, in the good ol' MySQL tradition, the above link does give you only the instructions on how to build it on linux. And completely ignores the fact that there're other OSes too that people develop on. To fill in that gap, I've compiled a small step by step guide on how to do it on windows. Note that I always, as a principle, build out-of-source. The typical setup I have is : bzr clone lp:~mysql/mysql-server/5.7 mysql-trunkcd mysql-trunkmkdir bldcd bldcmake -DWITH_DEBUG=1 -DMYSQL_PROJECT_NAME=mysql-trunk ..devenv /build debug mysql-trunk.sln This has been tested to work on a 32 bit compile using VS2013 on a Windows7 64 bit build. Note that you'll need other things too (bison, eventually openssl etc) that I will assume you already have set up. Steps: Download Boost 1.55.0. It's the *only* version that is known to work currently. Extract boost_1_55_0/ from the zip to c:\boost\boost_1_55_0 Go to Control Panel/System/Environment variables and set WITH_BOOST=C:\boost\boost_1_55_0 in User variables. Make sure you restart your open command line terminal windows after this !  If you're upgrading from non-boost build, remove your bld/ directory and create a new one. run cmake as you'd typically do. You should get: -- Local boost dir C:/boost/boost_1_55_0 -- Local boost zip LOCAL_BOOST_ZIP-NOTFOUND -- BOOST_VERSION_NUMBER is #define BOOST_VERSION 105500 -- BOOST_INCLUDE_DIR C:/boost/boost_1_55_0 Build as normal (devenv /build debug ...). It should work.

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• Windows 7 Hibernate Problem

  - by goygoycu

  I cannot hibernate windows. When I click "hibernate", my laptop(windows) just locks and the screen goes black. I can unlock without any problem. I do not have any problem with other options such as "sleep" or "shut down". I updated the chipset drivers but it did not help. There is not any option in BIOS about the sleep modes. "Hibernate" is "on" on Windows. Any advice? My Laptop specifications: MSI A5000 3gb system memory, Windows 7 Home Premium 32bit installed, Gentoo linux installed, Grub bootloader(MBR). Hard drive: Around 4gb of free space in windows partition.

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• How to retrieve connection details of CheckPoint SSL Network Extender?

  - by amoe

  My workplace uses a Java-based VPN tool named CheckPoint SSL Network Extender. I would like to configure the VPN connection myself using stock OS tools, because I find the applet to be rather unstable. How would I go about getting all of the connection details needed to manually connect to the VPN? My workplace only supports the official client. When I am connected with the Java applet, if I run ipconfig /all I can see that a hidden network connection is created named Check Point Virtual Network Adapter For SSL Network Extender - Packet Scheduler Miniport. I can see the various IP and DNS details there as well. However, because I need to log in to the applet-based tool, I presume I need to export some kind of key in order to use OS tools to configure this. Is this even possible? Answers for any OS are great although I am using Windows XP to test, and also want to use Linux clients.

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• Restarting Nagios Using PHP

  - by X-Ware

  I am making a tool that is interacting with NAGIOS where some config files should be added so a restart will be needed. What I need to know is how to restart NAGIOS using PHP code since this tool is written in PHP .. when I try to do this using: shell_exec("service nagios restart"); changes do not take place but when I do this manually by the console all changes I did using the PHP script are applied ... after 2 minutes research I found that I am asking linux to execut this command while I am logged in as apache user so I changed the command to: shell_exec('echo "mypass" | sudo -S service nagios restart'); still having the same problem ... new config files are not read until I restart manually any suggestions will be appreciated :)

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• Why am I seeing red dots on my LCD screen?

  - by mydoghasworms

  My laptop is about 2.5 years old. Now I am starting to see red dots on certain shades of colour (mainly dark colours, blues and blacks), and it is not limited to certain pixels, because when you move a window around, the red dots move with it, staying on the certain shades of colour. Is this a problem with the LCD screen, or is it the GPU? Is there a way to determine this? It is clearly not a driver issue, because it happens in Linux and Windows, and my Windows setup has not changed prior to the issue starting.

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• Pushing image changes to multiple servers

  - by gms8994

  I need the ability to push images out to multiple servers whenever they're updated. I've looked at Network Filesystems, but they're all but worthless due to their speed. Images can be uploaded to any one of 3 servers, and would then need to be copied to the other 2. Any suggestions? I'm open to try just about anything. EDIT: Graphics data (jpg, gif, png, etc). Linux only. We're currently using rsync. But having it work back and forth is getting cumbersome. It's all local network.

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• I run about 100 small traffic websites, what host would you recommend (expansion is planned)?

  - by MALON

  I know there are plenty of suggestions like asmallorange, linode, etc, but how well do these apply to someone who is running 100 sites? Traffic can be anywhere from zero hits a month up to about 1,000. The host I'm using right now doesn't allow access to httpd.conf or other important apache features. If I had to guess, it seems like Linode or other services like it are right up my alley, however, I am not great with linux. I can get by alright in Ubuntu, but that's about it. Will this knowledge be enough to get by with Linode? What about domain name transfers? The way it works now for me is if someone has an existing site, I ask them to get the domain transfer code and then I send the domain name xfer code to my current host and they take care of the rest. Does Linode take care of domain name transfers? How do I do it?

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• Windows Virtual Machine ping reply fails the first few times

  - by user28471

  I am running a windows Web Server 2008 virtual machine. When I try to ping it from another windows machine the ping reply comes straight back with 100% success. But when I try to ping it from one of the Linux boxes, the ping reply fails with partial or 100% loss the first couple of time and succeeds the third time onwards. I know it is quite strange but can any one think anything that could be causing it. Could anything in the Windows Domain Security or Firewall be "taking time" to allow responding to the ping request? In fact even the firewall is turned off on the virtual machine.

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• Just installed Ubuntu 12.04. When booting, all I get is a black screen with cursor

  - by user66378

  Installation appears to go fine. After rebooting, I get my motherboard loading screens, but when it comes time for Ubuntu to boot, I just get a black screen with a blinking white underscore in the top-left - same as I got when waiting for the install CD to load, except it lasts forever. The only keypress it seems to recognize is ctrl+alt+del, which reboots. Letters don't register, function keys w/ or w/o modifiers do nothing. I've installed Ubuntu 12.04 twice and got the same error. The first time, I installed it as the only OS, and had it take up the whole disk. The second time, I installed Windows 7 first, then Ubuntu by specifying custom partitions. After this install, it would boot straight to Windows without showing grub. I used EasyBCD to add the Ubuntu installation to grub, and this got grub to show, and let me select it, but it led back to the same error described up top. I've had Linux Mint 11 and 12 installed on this PC, but was unable to get previous versions of Ubuntu to install (always had errors while installing, not after). Hardware: Intel Core i7-2600K Sandy Bridge 3.4GHz (3.8GHz Turbo Boost) LGA 1155 ASUS SABERTOOTH P67 (REV 3.0) LGA 1155 Intel P67 SATA 6Gb/s USB 3.0 ATX Intel Motherboard EVGA 01G-P3-1371-TR GeForce GTX 460 (Fermi) CORSAIR Vengeance 16GB (4 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Western Digital RE4 WD5003ABYX 500GB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive

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• Editing remotely the PHP files on a Centos server

  - by Alex2012

  I have a intranet web server (Centos 6, Apache, PHP) to which I would like to give access to a developer. He will connect by remote desktop from Windows 7 to Ubuntu 12.4 and from here by SSH to /var/www/html folder where it has to create and edit the files. This solution was chosen because: - I could not make a remote desktop connection from Windows to Centos - The web developer need some editor for PHP files and is not allowed to install software on Windows 7 machine - it is more a test solution ( we are all learning to use Linux). When the developer is connected from Ubuntu to Centos by SSH (SFTP) he could save the changes only if on Centos the account used to connect has ownership to that folder. Can you please tell how can I give all required rights. I tried different solutions found on Internet but without to much success. Are there other way to connect to Centos server?

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• Enterprise Data Center System Admin/Engineer to Server Ratio

  - by Bob

  I know there have been similar questions asked over the last few months however looking at a Data Center Operations and know there are some really smart people out there that might be able to help. Looking for some staffing best practices based on first hand experience and was hoping that there is some experience in this area that can provide "best practice" application: Three High Availability (99.99% plus) Enterprise Level Data Centers geographically dislocated, one manned 24x7x365, one lights out, one co-location running HOT-HOT-HOT supporting a global community. More than 2,000 operating systems consisting of 95% Windows, 5% Linux and Solaris, 45% virtualized, more than 100TB storage. No desktop support, no Network Administration (administrated separately), running N+1 and serving more than 250 Billion page views annually. Based on experience what has been your experience with Server to "Data Center System Administrator/Engineer" ratio? Thanks in advance for your responses.

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• Fourth texture = segmentation fault

  - by Robin92

  I keep on getting segmentation fault each time I load fourth texture - what type of texture, I mean filename, does not matter. I checked value of GL_TEXTURES_STACK_SIZE which turned out to be 10 so quite more than 4, isn't it? Here're code fragments: funciton to load texture from png static GLuint gl_loadTexture(const char filename[]) { static int iTexNum = 1; GLuint texture = 0; img_s *img = NULL; img = img_loadPNG(filename); if (img) { glGenTextures(iTexNum++, &texture); glBindTexture(GL_TEXTURE_2D, texture); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR); glTexImage2D(GL_TEXTURE_2D, 0, img->iGlFormat, img->uiWidth, img->uiHeight, 0, img->iGlFormat, GL_UNSIGNED_BYTE, img->p_ubaData); img_free(img); //it may cause errors on windows } else printf("Error: loading texture '%s' failed!\n", filename); return texture; } actual loading static GLuint textures[4]; static void gl_init() { (...) //setting up OpenGL /* loading textures */ textures[0] = gl_loadTexture("images/background.png"); textures[1] = gl_loadTexture("images/spaceship.png"); textures[2] = gl_loadTexture("images/asteroid.png"); textures[3] = gl_loadTexture("images/asteroid2.png"); //this is causing SegFault no matter which file I load! } Any ideas? Problem is present on both Linux and Windows.

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• Triple head DVI KVM

  - by cat pants

  I am trying to run a Linux desktop and Windows desktop simultaneously with a KVM for maximum productivity. Also running three monitors. I need a KVM that can do 3x DVI @ 1920x1080 + 2x usb (mouse and keyboard) + toslink for two machines. What would you suggest? I ask on here because I have searched quite a bit and have yet to find a KVM with these requirements. (I would be open to something like modifying 3x regular KVMs to control them with one button or similar) Thanks! (I tried posting this question earlier, but it was closed as being "not related to computer hardware or software" ... is a KVM not related to computer hardware or software? I'm pretty sure it is. kvm-switch has been tagged 100 times on here for example.)

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