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• Dual Boot 10.10 and 11.04 can't boot into 10.10 after an update.

  - by Gaurav Butola

  I've been dual booting my system with Ubuntu 10.10 (Maverick Meerkat) and 11.04 (Natty Narwhal) but today after an update, I can't boot into 10.10, there's only option to boot into 11.04 and Grub also looks a bit different. Before this update, I used to see first option for 11.04 and an other option called /dev/sda1 for 10.10 but now there is a new option called Previous Linux Versions, but when I Enter into that menu, there is no option to boot into 10.10 all the options take me to 11.04 now it looks like this... And when I click on Previous Linux Versions...

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• How to set Qwt path to the run-time linker in Xubuntu

  - by Rahul

  I've successfully installed Qwt in Xubuntu 12.04(qmake - make - make install). But now I need to set the Qwt path to run time linker of Xubuntu. In manual it's given like - If you have installed a shared library it's path has to be known to the run-time linker of your operating system. On Linux systems read "man ldconfig" ( or google for it ). Another option is to use the LD_LIBRARY_PATH (on some systems LIBPATH is used instead, on MacOSX it is called DYLD_LIBRARY_PATH) environment variable. But being newbie to Linux environment, I'm not able to proceed further. Please help me with this.

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• What's the difference between 'killall' and 'pkill'?

  - by jgbelacqua

  After using just plain kill <some_pid> on Unix systems for many years, I learned pkill from a younger Linux-savvy co-worker colleague1. I soon accepted the Linux-way, pgrep-ing and pkill-ing through many days and nights, through slow-downs and race conditions. This was all well and good. But now I see nothing but killall . How-to's seem to only mention killall, and I'm not sure if this is some kind of parallel development, or if killall is a successor to pkill, or something else. It seems to function as more targeted pkill, but I'm sure I'm missing something. Can an Ubuntu/Debian-savvy person explain when (or why) killall should be used, especially if it should be used in preference to pkill (when pkill often seems easier, because I can be sloppier with name matching, at least by default). 1 'colleague' is free upgrade from 'co-worker', so might as well.

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• Server 2012R2 – PowerShell Web Access

  - by Waclaw Chrabaszcz

  Originally posted on: http://geekswithblogs.net/Wchrabaszcz/archive/2014/05/17/server-2012r2--powershell-web-access.aspxHaha … Sometimes I'm joking that there is nothing worse than Linux fanboi imprisoned in Windows engineer's body. Maybe someday I will start blogging about my noob's experiences. However let's stick to the point. Sometimes the easiest solutions are the best. After couple of tries how to reach left pocket using right hand I'm going to follow easy path. Today's plan is very easy, I'm going to take advantage of Server 2012 and install Web gateway to PowerShell console. After that I would be able execute PoSH from any device including Linux. Install-WindowsFeature –Name WindowsPowerShellWebAccess –IncludeManagementToolsInstall-PswaWebApplication –UseTestCertificateAdd-PswaAuthorizationRule –UserName * -ComputerName * -ConfigurationName *  Let's test it …

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• File system layout for multiple build targets

  - by Yttrill

  I am seeking some ideas for how to build and install software with some parameters. These including target OS, target platform CPU details, debugging variant, etc. Some parts of the install are shared, such as documentation and many platform independent files, others are not, such as 64 and 32 bit libraries when these are separated and not together in a multi-arch library. On big networked platforms one often has multiple computers sharing some large server space, so there is actually cause to have even Windows and Unix binaries on the same disk. My product has already fixed an install philosophy of $INSTALL_ROOT/genericname/version/ so that multiple versions can coexist. The question is: how to manage the layout of all the other stuff?

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• How can I assign actions to all my mouse buttons?

  - by torbengb

  I have a mouse with lots of buttons, but it's not a mainstream make like Logitech. For Windows, I have a driver that lets me assign actions like close-window (Ctrl+W) or next-tab (Ctrl+Tab), but I don't have a Linux driver. Since Linux is so flexible, I thought perhaps there is a general way to do this, regardless of brand? Update: Based on input from Cyrex, I installed and ran sudo apt-get install btnx which found several but not all mouse buttons. Found: left, right, wheel, wheelclick, thumb fwd, thumb back. Not found: wheel left, wheel right, thumb middle button. Vendor ID is 0x04d9, Model ID is 0xa015.

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• Unable to use TL-WN821N

  - by udiw

  Hi, I got a TP-LINK USB wireless module - TL-WN821N, using Ubuntu 10.4 (same problems were also seen in 10.10). From everything I've read online, the usb should work just fine, since the Atheros ar9170 is built into the kernel. However, when I plug it in, it is detected as a USB device, but there is no wlan associated with it, and basically - nothing happens. Am I doing something wrong? what should I do so that the Atheros driver is associated with this device? btw, on Windows it works fine (with the drivers). Some logs: $ uname -mr 2.6.32-28-generic i686 $ lsb_release -d Description: Ubuntu 10.04.2 LTS $ lsusb ... (trimmed) Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 017: ID 0cf3:7015 Atheros Communications, Inc. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub $ lsmod |grep ar9 ar9170usb 51296 0 ath 7611 1 ar9170usb mac80211 205402 3 ar9170usb,iwl3945,iwlcore cfg80211 126528 5 ar9170usb,ath,iwl3945,iwlcore,mac80211 led_class 2864 4 ar9170usb,iwl3945,iwlcore,sdhci

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• Ubuntu 10.10 USB drive not showing

  - by Ben

  USB is detecting but not showing the drives or mount details. Nothing there inside my /media folder and /mnt folder. I already enabled automatic mount and give privilege to user also. My sudo fdisk -l shows like: Disk /dev/sda: 250.1 GB, 250059350016 bytes 255 heads, 63 sectors/track, 30401 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000d3ba7 Device Boot Start End Blocks Id System /dev/sda1 * 1 29637 238053376 83 Linux /dev/sda2 29637 30402 6142977 5 Extended /dev/sda5 29637 30402 6142976 82 Linux swap / Solaris Any idea?

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• How to partition my hard drive for Ubuntu use?

  - by Damir

  Till now I was windows user. From now on I want to use only Linux. I have 500Gb HDD. How do I partition it properly? I read that there is no right or wrong way, but still, I am confused. I did something and I have primary partition mounted on / (160Gb) which I believe is a OS and 350Gb extended partition of which I have 4Gb of swap and 346Gb mounted on /home. I got used to C:\ and D:\ partitioning, but I don't see file system in that way. I am lost. Where is what? How can I make C:\ partition for OS and D:\ for apps, movies, music, photos. Or what I want is Windows way and I have to get used to Linux way?

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• What open source POSIX compliance test suites are available?

  - by Richard Pennington

  I'm working on a small open source project, ELLCC, that uses clang/LLVM as a cross compiler for various target processors. For the runtime environment, I'm using the NetBSD libraries and porting them to target Linux and standalone systems. I want to run a POSIX compliance test suite on the code. I've found the Open POSIX Test Suite, which looks like a good start, but it hasn't been updated since 2005. I've done some preliminary testing (with gcc and ecc under Linux), and it looks like it needs a few updates for modern compilers. My questions are: Does the Open POSIX Test Suite live on somewhere in a more up to date form? Are there other open source alternatives?

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• Installing dgen removes Ubuntu-Desktop

  - by aliasbody

  I am trying to install "dgen" a Sega MegaDrive/Genesis emulator, available in the official Ubuntu repositories. But when I try to install, the package manager (USC or even apt-get), say's that he needs to remove those packages before installing : file-roller lintian ubuntu-desktop unzip winetricks Ubuntu always had problems with dependencies like this, and this was the main raison I started using Arch Linux instead of Ubuntu, but with the newest versions (mainly the 12.04 version), I was hopping that those kind of problems had complety dissapeared.. but no :S... So, How can I install this package without removing those packages ? And do I need to fill a bug report for this ?

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• Ubuntu 12.10 - VirtualBox not sharing internet with guest system

  - by Fernando Briano

  I went from ArchLinux to Ubuntu on my dev box. I use VirtualBox to test web sites on Windows and IE. I have my Windows 7 VirtualBox image running on Ubuntu's VirtualBox. Back with ArchLinux, internet worked "out of the box" on the Windows boxes. I left the default options on the box's Network Options (NAT). The Windows machine shows as "connected to ethernet" but reports: The dns server isn't responding So I can't access Internet from there. I tried searching for Ubuntu's official docs but they seem pretty outdated. I tried using my old boxes from Arch (which boot normally but have no internet) and creating a new box from Ubuntu itself, but still get the same results. Update: I'm using VirtualBox 4.1.18 from Ubuntu's repository (apt-get install virtualbox).

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• How does "rm" on a NTFS filesystem differs from Window's own implementation?

  - by DavideRossi

  I have an external USB disk with an NTFS filesystem on it. If I remove a file from Windows and I run one of the several "undelete" utilities (say, TestDisk) I can easily recover the file (because "it's still there but it's marked as deleted"). If I remove the file from Linux no utility (unless I use a deep-search signature-based one) can recover the file. Why? How is unlink implemented in Linux's NTFS file system code? It looks like it does not just "mark it as undeleted" but it wipes away some on-disk structure, is this the case?

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• Problem with WindowsXp on VirtualBox in 12.10

  - by umpirsky

  When I try to start it I get: Failed to open a session for the virtual machine WindowsXp. The virtual machine 'WindowsXp' has terminated unexpectedly during startup with exit code 1. Result Code: NS_ERROR_FAILURE (0x80004005) Component: Machine Interface: IMachine {5eaa9319-62fc-4b0a-843c-0cb1940f8a91} and in another dialog: Kernel driver not installed (rc=-1908) The VirtualBox Linux kernel driver (vboxdrv) is either not loaded or there is a permission problem with /dev/vboxdrv. Please reinstall the kernel module by executing '/etc/init.d/vboxdrv setup' as root. If it is available in your distribution, you should install the DKMS package first. This package keeps track of Linux kernel changes and recompiles the vboxdrv kernel module if necessary. When I try to run: $ sudo /etc/init.d/vboxdrv setup [sudo] password for umpirsky: sudo: /etc/init.d/vboxdrv: command not found Any idea?

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• Once installed geos library (C++, and C), and then trying to install rgeos package (R), it reports geos-config missing!

  - by user1873888

  Knowing that the package rgeos, from the R language, requieres a prior installation of geos libraries, I installed, both, libgeos and libgeos-c1 (3.2.2), using the synaptic installer in my Ubuntu 12.04 (32 bit) machine. Then I tried to install rgeos directly from the R console, and it issued a message in the sense that geos-config was not found. The output is as follows: > install.packages("rgeos") Installing package(s) into ‘/home/checo/R/i486-pc-linux-gnu-library/2.15’ (as ‘lib’ is unspecified) also installing the dependency ‘sp’ probando la URL 'http://cran.rstudio.com/src/contrib/sp_1.0-9.tar.gz' Content type 'application/x-gzip' length 882102 bytes (861 Kb) URL abierta ================================================== downloaded 861 Kb probando la URL 'http://cran.rstudio.com/src/contrib/rgeos_0.2-19.tar.gz' Content type 'application/x-gzip' length 221471 bytes (216 Kb) URL abierta ================================================== downloaded 216 Kb * installing *source* package ‘sp’ ... ** package ‘sp’ successfully unpacked and MD5 sums checked ** libs gcc -std=gnu99 -I/usr/share/R/include -DNDEBUG -fpic -O3 -pipe -g -c R centroid.c -o Rcentroid.o gcc -std=gnu99 -I/usr/share/R/include -DNDEBUG -fpic -O3 -pipe -g -c gcdist.c -o gcdist.o gcc -std=gnu99 -I/usr/share/R/include -DNDEBUG -fpic -O3 -pipe -g -c init.c -o init.o gcc -std=gnu99 -I/usr/share/R/include -DNDEBUG -fpic -O3 -pipe -g -c pip.c -o pip.o gcc -std=gnu99 -I/usr/share/R/include -DNDEBUG -fpic -O3 -pipe -g -c pip2.c -o pip2.o gcc -std=gnu99 -I/usr/share/R/include -DNDEBUG -fpic -O3 -pipe -g -c sp_xports.c -o sp_xports.o gcc -std=gnu99 -I/usr/share/R/include -DNDEBUG -fpic -O3 -pipe -g -c surfaceArea.c -o surfaceArea.o gcc -std=gnu99 -I/usr/share/R/include -DNDEBUG -fpic -O3 -pipe -g -c zerodist.c -o zerodist.o gcc -std=gnu99 -shared -o sp.so Rcentroid.o gcdist.o init.o pip.o pip2.o sp_xports.o surfaceArea.o zerodist.o -L/usr/lib/R/lib -lR installing to /home/checo/R/i486-pc-linux-gnu-library/2.15/sp/libs ** R ** data ** demo ** inst ** preparing package for lazy loading ** help *** installing help indices ** building package indices ** installing vignettes ‘intro_sp.Rnw’ ‘over.Rnw’ ** testing if installed package can be loaded * DONE (sp) * installing *source* package ‘rgeos’ ... ** package ‘rgeos’ successfully unpacked and MD5 sums checked configure: CC: gcc -std=gnu99 configure: CXX: g++ configure: rgeos: 0.2-17 checking for /usr/bin/svnversion... no configure: svn revision: 394 checking geos-config usability... ./configure: line 1385: geos-config: command not found no configure: error: geos-config not usable ERROR: configuration failed for package ‘rgeos’ * removing ‘/home/checo/R/i486-pc-linux-gnu-library/2.15/rgeos’ Warning in install.packages : installation of package ‘rgeos’ had non-zero exit status Forgive my ignorance, but I don't know where this file, "geos-config", comes from: should it be generated by the gcc compilations above, or should it be previously installed when the libgeos libraries were intalled? I learnt, from another machine, that "geos-config" is an executable and that it should be installed in /usr/bin. Do you have any idea on what's wrong with my procedure? Thanks, -Sergio.

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• Proper policy for user setup

  - by Dave Long

  I am still fairly new to linux hosting and am currently working on some policies for our production ubuntu servers. The servers are public facing webservers with ssh access from the public network and database servers with ssh access from the internal private network. We are a small hosting company so in the past with windows servers we used one user account and one password that each of us used internally. Anyone outside of the company who needed to access the server for FTP or anything else had their own user account. Is that okay to do in the linux world, or would most people recommend using individual accounts for each person who needs to access the server?

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• Bluescreen after Ubuntu 12.10 installation, after recommended boot repair "no filesystem found" please help!

  - by Phil

  After I tried to install Ubuntu 12.10 into my Windows 7 a black screen came up and nothing happened for over five minutes. So I force shutdown my computer and started again on the linux CD. I partitioned the Linux partitions manually and installed Ubuntu. At the next reboot I got a bluescreen from Windows three secounds after loading. I tried to repair the problem by using boot-repair. Then I got out the url: http://paste.ubuntu.com/1430803 And after the next restart he told me that he didn't found the filesystem. Because he didn't found the filesystem it was unable to repair it with the windows CD. Then I tried to repair it with TestDisk and was able to change the Windows Partition into NTFS, but I was not able to repair the windows 7 boot partition. Now I get the message that No Bootloader is found when I restart. Please help me.

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• Problems about responsiveness and keyboard/mousepad not working

  - by ChrisTheNoob

  So I installed Ubuntu 12.04, I'm very new at this and want to get into the world of Linux but have run into nothing but problems. I have an Acer Aspire 5553g. First off, my keyboard won't work. Second, my computer has more than enough of everything to run Ubuntu smoothly, but everything runs extremely slow. (You move the mouse and it gets there a few seconds later) It's to the point where I can't even use it and I really want to. I'm tired of Microsoft stuff and I've been looking at learning how to use Linux based operating systems for a while. Please send me some help to fix these issues and maybe some tips to help get me started. Thanks in advance chris

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• HP 655 Notebook (Ubuntu 12.04) wireless internet disabled after running updates

  - by Bastian

  Today the update-manaeger suggested that I should download some updates. So I did. After the updates were installed I had to reboot the system. After the reboot my notebook doesn't see any wireless networks. I was looking for a long time on the internet for answers but non of them applies to my case. I have the idea, it has got something to do with the kernel I am currently using (Linux 3.2.0-55). Is this one new for Ubuntu 12.04? When I boot my system I can choose to use an older kernel (linux 3.2.0-32). When I use this one the notebook does see the wireless networks. This is my network card according to the command lspci: Ralink corp. RT3290 Wireless 802.11n 1T/1R PCIe Anyone an idea to fix my problems with wireless internet?

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• New file in ubuntu kernel ppa repository to install?

  - by Nikki Kononov

  Googling this question hasn't brought me to anything so I decided to ask here. Recently I noticed on kernel.org that kernel 3.7 finally considered to be a stable so I decided to upgrade, since I am on 3.7 RC7 but when I opened http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.7.1-raring/ I noticed new file (actually 2 which seems to be identical) linux-headers-3.7.1-030701-omap_3.7.1-030701.201212171620_armhf.deb and linux-image-3.7.1-030701-omap_3.7.1-030701.201212171620_armhf.deb so my question is should I install those as well or continue installing only 4 files (e.g. 3 AMD64 image and headers + all headers)? Thank you.

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• Why won't Kubuntu load my CD?

  - by Visualblocks

  I'm running Kubuntu 12.04.1 LTS and Kubuntu hasn't recognised my CD! Here are the results of a sudo fdisk -l: Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0x000c5a81 Device Boot Start End Blocks Id System /dev/sda1 * 2048 964603903 482300928 83 Linux /dev/sda2 964605950 976771071 6082561 5 Extended Partition 2 does not start on physical sector boundary. /dev/sda5 964605952 976771071 6082560 82 Linux swap / Solaris How am I meant to view it in say, Dolphin?

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• What to use for "localhost" that includes PHP/SQL functionality?

  - by Jack

  I really do not want to install Linux at the moment, I would have to borrow a USB key, move files, format it, flash it, format it again, move files back, give it back... What would you recommend that is lightweight, easily and cleanly uninstallable afterwards (will install Linux when I get a new DVD-ROM, which will be in ~2 weeks), that also supports PHP and SQL? To be precise, I want to install a Wordpress blog, a few plugins, etc, and develop a theme. If there is no such thing for Windows (7, x64 if that matters), let me know too, I will borrow the USB key then (even though it's a pain).

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• Live-Ubuntu 12.04 ran fine, now stopped booting!

  - by user89743

  I've seen similar problems to this several times in the forum, but mine is a bit different, so the other posts I saw were no help to me. When I boot Ubuntu 12.04 64-bit from live-SD-card (3GB persistence) I suddenly get this error: (initramfs) mount: mounting /dev/loop0 on //filesystem.squashfs failed: Invalid argument Can not mount /dev/loop/0 (/cdrom/casper/filesystem.squashfs) on //filesystem.squashfs (it says I can type "help" for commands, but I don't know anything about how to go from there, totally new to linux) The reason I say my case is different is because my Ubuntu worked fine for over a week, even pretty fast, and now this problem happened. Before that I used to run my live ubuntu from USB sticks but that was slower (especially when booting which took 15 minutes from USB stick!). Also I kept getting the same above problem after a while when booting and had to re-create a live USB linux several times. Installing on harddrive is not an option because my harddrive has physical damage and getting a replacement will take a while, therefore I can only use live-USB or live-SD-card Ubuntu. As I said I used Ubuntu without problems for more than a week, before that as well for several weeks on USB sticks, but the above problem occured sooner or later. This time I paid attention to when it happened: I was rebooting my computer (HP 620 laptop, 4 GB RAM, 64 bit system) from SD flash card and when I was booting I selected F6 and then the first option "no acpi" or something like that...I had used it before and noticed it slowed down the time it took Linux to use. This time it caused this error. Now even when I boot normally/default I get this error. Now I'm accessing Ubuntu from my USB stick without persistence file, when I check my SD card, all the files mentioned in the error message are there and the filesystem.squashfs is 691.2 MB so nothing seems to have been deleted by accident. (I have already made many changes/downloaded programs to my SD card persistent Ubuntu and would hope to loose them, since downloading is expensive for me, and since the problem seems to re-occur...) Can anyone help me, preferably without having to create another startup disk on my SD card? I'm totally new to this. Sorry for the long posts, just didn't know what info is relevant and what isnt! Kon

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• Garbled display after Ubuntu upgrade to 2.6.32-2* kernel

  - by Matthias

  I was running Ubuntu 9 (Karmic Koala) with no problems. I recently upgraded to Ubuntu 10 (Lucid Lynx) and cannot use it normally. After I log in, the screen scrambles (a purple/green mess)--impossible to see anything, although I can get out by marking the spot on the screen to click for a restart, so Linux is working behind the scenes. If I start in recovery mode with basic graphics, I have no problems at all (other than limited functionality). If I start the old 2.6.31-22 kernel, I see a bunch of "unmountable" errors in the startup script, but I can use Linux normally with no apparent problems. I'm running an IBM ThinkPad A30 with ATI Mobility graphics. Just to reiterate, the screen looks normal until I log in, at which point it goes bonkers. What do I need to change in order to fix this?

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• Configuring Dropbox on Ubuntu server

  - by Daniel

  I've got a Ubuntu server running on an old laptop. The OS is on a 4GB USB drive and I use a SATA drive attached for storage. Now I wanted to set up Dropbox on this machine. I've got it running using this guide: http://www.byteindia.com/internet/install-dropbox-on-linux/482/. But I haven't synched yet because there won't be enough room in my home dir. My /home is on my 4GB USB since I never use it and all my data is on the 2TB drive mounted in /media/. What is the best way to set this up? Dropbox doesn't support moving the folder in Linux yet. I found a script to move the folder but it seems outdated. Perhaps I can use symlinks in some clever way? Or maybe move my /home folder to my SATA drive? Thanks in advance

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