Linux refers to the family of Unix-like computer operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.

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How to check multitouch in GNU/Linux

I have several questions about multitouch in Linux: Is multitouch and MPX (multi-pointer extension) related? If an application handles multiple cursors does it mean that it is multitouch-ready? How ...
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235 views

How do I evaluate an SSD caching solution for home desktop use?

I've got a 30GB SSD that I would love to start using as a cache for my larger HDDs. I primarily want to improve apparent performance for general desktop use. I do the occasional massive DB migration ...
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233 views

How to make auto complete available for directories in cdpath for tcsh?

I just learned the trick for setting up cdpath in tcsh and it looks pretty useful. However seems auto-complete of sub-folder names doesn't come with it, is there any trick available on that? It'd be ...
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3k views

Using samsung SSD magician on linux

I have a samsung SSD and Samsung has a magician software for their SSD. I would like to use it, however I just have linux and the software is only supported on Windows. Is there a way to install it ...
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2k views

Verizon USB551L 4G Stick on Linux

I have been trying to get a Verizon USB551L 4G USB Stick working on Debian Linux. I have been able to get it to connect, but it always disconnects after 10 secs to 2.5 minutes, then it cannot connect ...
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103 views

locked Ubuntu screen - apps do not detect locked status

I use Ubuntu 12.10 but I did not really like Unity GUI because of performance issues and total inability to easily customize launcher. So I switched to Xubuntu, which is much faster BUT I have a ...
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627 views

Reading bad blocks from hard disk too slow in Linux

I'm trying to recover data from an old 320G hard drive (full of bad sectors) to a new one. I found that ddrescue is a good tool for this task due to it's smart algorithm. I have already done this once ...
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411 views

How can I increase the A2DP bitpool on Linux?

I recently bought a Bluetooth headset (Philips SHB4000), and got it to stop sounding like a phone after I told Linux (Mint) to use A2DP rather than HSP/HFP. However, there's still an annoying ...
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500 views

Dropbox causes xorg to use 100% CPU

For some time, I noticed that my xorg process uses up between 60 and 100% of the CPU (according to top). I also noticed that interactive work becomes sluggish, even on my multi-core i7 processor. ...
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403 views

Get Illegal Instruction error when booting Linux in VirtualBox, works fine when booted directly

I have a computer on which I am dual booting Windows 7 and Gentoo Linux (both 64-bit). I want to be able to load up my Linux installation in a VM while I am booted into Windows. I have installed ...
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41 views

Can I create a “file” that, when opened, actually gives the output of a command?

I've found myself in a couple of situations now where I'd like to have such a "file" that essentially runs a script whenever it's "opened", allowing me to "read" it's output. For example, I might ...
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38 views

Treat USB Keyboard as Gamepad

I have a second USB keyboard I'd like my computer to recognize as a gamepad rather than just an extra keyboard. Is this possible on Ubuntu 14.04? I've seen information on doing the opposite, treating ...
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38 views

Linux access to Windows 7 dynamic volumes (striped or mirrored)

I'm considering setting up a dual-boot system for the first time for many years. My plan for the system is to set it up as follows: SSD for both system partitions 2 identical hard disks, split ...
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201 views

Differences of aufs, unionfs and overlayfs from each other

I have to join two file systems, one read-only (squashfs) and one read-write (ext4). My plan is to mount the read-write filesystem over the read-only flesystem so it appears writable. When I make some ...
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0answers
18 views

Configure three screens backed by two graphic chips in a laptop under Linux

I'd like to connect two external monitors (one via HDMI, one via VGA) to my HP ProBook 4330s LW813EA laptop, while keeping the laptop screen on as well. The Intel HD 3000 graphics embedded in Core ...
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313 views

SSL23_WRITE:ssl handshake failure:s23_lib.c:177

When attempting to connect to an xmpp server over SSL, openssl fails with the following error: 3071833836:error:140790E5:SSL routines:SSL23_WRITE:ssl handshake failure:s23_lib.c:177 I believe that ...
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84 views

What Exactly am I Seeing Here?

I have a Dell D620 that has its screen ripped out ( was damaged a while ago ) and so to see any console output, I have a VGA-Compatible TV hooked up to it. Sometimes when I haven't typed anything for ...
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30 views

Swap alt and ctrl in certain programs on Linux

I would like to swap alt and ctrl key when launching certain programs on Linux, such as zsh and emacs, while keep the original keyboard layout when using other programs. Is it possible to do so? ...
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197 views

Webcam is only recognized by some software

I have a webcam that works fine in software such as camorama and cheese. However, I cannot use it in websites that allow you to use a webcam (it's not recognized). I tested it with: Chromium 34.0 ...
3
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257 views

SSHD Consuming 100% of CPU (Hundreds of processes) - Will not die

Recently I've noticed that SSHd on a few systems I administrate will start spawning unstoppable processes which will consume huge amounts of CPU. The syscall shows that the processes are all ...
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38 views

Download yum packages on Debian for an offline fedora20 system

I need to download YUM packages (namely java-1.7.0-openjdk, gstreamer-plugins-good, gstreamer-plugins-bad and gstreamer-plugins-ugly) for an offline Fedora 20 machine, and I'm working on a Debian 7. ...
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1k views

create video from jpg images using ffmpeg

I want to make short timelapse video using ffmpeg under ubuntu 12.04 LTS. I have a folder containing all images with names DSC_0000.jpg DSC_0001.jpg and so on. I found this question ffmpeg: create a ...
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142 views

mdadm: Win7-install created a boot partition on one of my RAID6 drives. How to rebuild?

My problem happened when I attempted to install Windows 7 on it's own SSD. The Linux OS I used which has knowledge of the software RAID system is on a SSD that I disconnected prior to the install. ...
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2k views

'user is not in the sudoers file' but actually is

I have already read a lot of posts about enabling sudo-access for a specific user but those couldn't help me so far. The situation is: I'm running Debian Testing. On the system there are only two ...
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2k views

How to setup Access Point (WiFi hotspot) on Debian

I'm trying to setup an AP got stuck. I'm using an Odroid U3 and the WiFi adapter is the Module 3 from Hardkernel. I'm also using a Debian Jessie. Not, I've got it to almost work: the Odroid has ...
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268 views

Debian 7 kernel 3.13.6 - kworker freezes for no reason and takes several processes with it

I have been wracking my brain trying to figure this out. My Linux server will, at random, decide to just hang everything and it is only ONE kworker thread that does it. First the kworker thread ...
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524 views

Is it possible to run Corona SDK on ReactOS or Wine?

I dumped Windows, I'm now using Xubuntu. Is it possible to run Corona SDK on Wine? On Corona forums, they say no, but I wounder how this guy did it? Is ZeroBrane a solution? What about ReactOS (or ...
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1k views

Cannot make mobile broadband Vodafone USB connection Ubuntu 13.04

I have Ubuntu 13.04 and I bought yesterday a Vodafone USB stick for internet connection. I am located in Romania. This is what I've did: First Thing Network Connections, added connection. Selected ...
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137 views

How to disable / re-map keyboard keys in the kernel?

I would like to remap my Caps Lock key to either nothing or a key code of my choice. To get the same behaviour across different environments (X / Wayland / non-graphical TTYs), and for learning how ...
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569 views

LIBGL_DEBUG=verbose not working?

I'm trying to track down a problem with direct rendering being disabled, after reverting to nouveau on Fedora 18 x64 (the official NVidia drivers were having stability issues). Unfortunately, when ...
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2k views

Attempting to access RAM /dev/mem… says “Operation not permitted”

I am using Ubuntu 12.04 I read the following tutorial on how to access the contents of RAM in Linux.... http://www.rootninja.com/using-dd-to-search-for-strings-in-memory-or-devices/ Code: dd ...
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207 views

Linux and GT640M (w. Optimus)

Has anyone tried getting the GT640M (Optimus) to run on any linux distro? The last time I tried, bumblebee did not work and was stuck on my HD4000 and my laptop's fan revved up to its max with ...
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406 views

intel/ati dualhead black monitor - brightness set to 0 (acpi issue?)

I'm using Arch Linux, but had this issue with other distributions as well: on HP Pavilion G6 laptop with Intel and Radeon graphic card. When I modify the xorg.conf file to enable dualhead (such as: ...
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5k views

ubuntu 12.04 server and tftp access violation issue on put command

I installed tftp as per this document: http://icesquare.com/wordpress/solvedtftp-error-code-2-access-violation/ I followed this to the letter 3 times and every time I put a file I get: ...
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147 views

Clarification on signals (sighup), jobs, and the controlling terminal

So I've read two different perspectives and I'm trying to figure out which one is right. 1) Some sources online say that signals sent from the controlling terminal are ONLY sent to the foreground ...
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854 views

Hamachi Gateway under Linux

Has anybody successfully gotten Hamachi working on a Linux server working as a gateway? Any help getting that setup? I'm in a dorm room (so I am pretty much forced to use Hamachi instead of OpenVPN) ...
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0answers
195 views

Computer-to-Computer network between OS X and Linux

I want to make a connection point to point via wifi between Mac and Linux. What I did was: I have created Computer-To-Computer network in OS X I have set manually an ip address for Mac, ...
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166 views

Amplify alsa capture beyond 100%?

I'm using ALSA. The volume of my mic is so low that even 100% of capture volume is not enough in a skype conversation. Is there any way to amplify the capture volume beyond 100%? I cannot use ...
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262 views

Export Power Point presentations to flash with control buttons on Linux

I need to export *.pps, *.ppt, *.ppsx, and *.pptx files to .swf files. On Windows I used iSpring for Power Point, and worked well. This is the result of iSpring: I am searching for an ...
3
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0answers
389 views

Making grub boot into chroot directory

I am trying to make grub boot into a chroot directory /slack containing a Slackware Linux installation. This directory was created by issuing the following command: installpkg --root /slack a/*.t?z ...
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0answers
1k views

QEMU within VirtualBox and bridged connections all the way down

I'm trying to get an ARM QEMU system out on my LAN. I tried running QEMU directly from Windows (Windows 7 x64), with success except I could not get a TAP adapter to bridge to my wireless connection. ...
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0answers
232 views

Choose between multiple keyboard layouts for different users in GDM3

I am trying to set up a computer with multiple users each with different preferred keyboard layouts. The biggest sticking point right now is allowing each to log in comfortably. GDM used to offer a ...
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0answers
1k views

Webcam resolution, vlc and Linux

I'm trying to do some some streaming with a webcam, but so far the results are not good: everything I stream in 320x240 looks good, but as soon as I choose a higher resolution, the image quality gets ...
3
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0answers
2k views

No DisplayPort output via DisplayPort→HDMI adapter from Nvidia card using Linux on Thinkpad W520

I have a Thinkpad W520 laptop with Nvidia Quadro 1000M graphics running Debian testing (“wheezy”) and Nvidia driver version 295.40-1. The graphics mode is set to discrete in the BIOS. I would like to ...
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0answers
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XRDP: window manager not starting

I have setup my Ubuntu server so that I can connect and login to XRDP from Windows remote desktop. My problem is that after logging in, no window-manager is started. It only displays a single ...
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386 views

Ubuntu linux - new “MIDI” device diagnostic software?

I'm looking for software that will tell me if a particular USB device meets the MIDI standard. I have a new Madcatz wireless USB controller, that I suspect will need a special driver before it's ...
3
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0answers
513 views

Case-sensitive error in compiler's building using crosstool-ng under Cygwin

When I try to build gcc cross-compiler using crosstool-ng under Cygwin (running in Windows 7) I have the following message: $ /opt/ng-crosstool/bin/ct-ng build [INFO ] Performing some trivial sanity ...
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0answers
410 views

Fedora: Access dynamic disk created in windows

I recently decided to migrate from windows to fedora*. Now, my problem is that my main disk was a dynamic disk. I thought I had a vague memory of this working in linux (to be specific, fedora 16), but ...
3
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0answers
541 views

Using Ctrl-Alt for AltGr

On Windows, Ctrl-Alt is mapped to Alt Gr, but not so on Linux. Using Alt Gr for 3rd level keys is wrist-killer nr. 1! I'm unable to find a workaround that doesn't remove other functionality I use ...
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0answers
1k views

How to use an old Kingston DataTraveler Vault Privacy USB flash drive on Linux?

My company provides me a DTVP with hardware AES encryption two years ago and the CDrom image does only contain tools for Windows and MacOS X. Kingston products now have support for Linux. Current ...