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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8
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304 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 ...
6
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478 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 ...
4
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0answers
405 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 ...
4
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0answers
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 ...
4
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0answers
116 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 ...
4
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0answers
29 views

Best way to run service no matter the distro

I am working on an application and want to make the script start on boot, and for the users to be able to run things like service my-program restart What i am seeing is there seems to be different ...
4
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0answers
614 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 ...
4
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0answers
559 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. ...
4
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436 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 ...
3
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0answers
27 views

Is there a way to connect to a Windows machine from Linux by name instead of by IP?

In my home network, the Linux machines all have avahi installed and can access each other by their hostnames instead of by their IP ping laptop.local But for the Windows machine I could only manage ...
3
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0answers
32 views

How can I use a second USB keyboard for special keys under Linux?

I'd like to use a second USB keyboard connected to my box running Ubuntu to generate special keystrokes. I'd like to map those in Vim to very specific actions. I plug both my main keyboard and the ...
3
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0answers
82 views

How to configure linux to enforce new users to change their password on first login

I'm trying to configure users password policy on RHEL 6.6 and I want system to ask newly created users to change initial password on first login. Note, that I tried to set EXPIRE variable to 0 and ...
3
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38 views

Rebuilding FakeRAID RAID 5 with new disk, no partitions show up, invalid PMBR

I have a RAID 5 array with 4 2TB disks on a HP Z800. One disk failed and was swapped out for a new one. I went into BIOS Intel Storage Matrix Utility and set the Array to rebuild with the new disk. ...
3
votes
0answers
97 views

Notebook's Battery is not calibrated. Operates at 0% for an hour

My problem is that even if the battery percentage is 0 the notebook can stay on around an hour. I have disabled "critical battery action" on my operating systems to use more time my notebook. The ...
3
votes
0answers
20 views

Linux: Prevent keyboard turning screen on under X

I'm trying to bind a key (using xbindkeys) to turn my monitors on/off under X. So far I have the key bound to this script: #!/bin/bash MOUSE="Logitech USB-PS/2 Optical Mouse" if [[ ! -z $(xset q | ...
3
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0answers
62 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 ...
3
votes
0answers
72 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 ...
3
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0answers
25 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 ...
3
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0answers
368 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 ...
3
votes
0answers
96 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 ...
3
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0answers
38 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? ...
3
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0answers
206 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
votes
0answers
26 views

Can I configure GNOME 3 to move a window to it's own workspace when maximized?

I'm using GNOME Shell 3.10 and would like to have each maximized window moved to its own workspace automatically. Ideally I'd also like GNOME to prevent any workspace from having more than one ...
3
votes
0answers
502 views

Stuck on GRUB command prompt after regular kernel update

I am running Debian Wheezy. Update Manager suggest to install kernel update. After update, I reboot system but instead of listing all the kernels (bootloader), it gave me a GRUB command prompt: ...
3
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0answers
249 views

How to use DVD+RW (UDF) both in windows and linux?

I have dvd+rw disk. I would like to create UDF file system on it to use with windows 7 (and newer) and gentoo both. How must I prepare media and what commands should use to mount it in linux? What I ...
3
votes
0answers
211 views

Block all outgoing traffic for a User running Wine apps

Good day, I'm using a lot of WINE apps under Linux which work just fine, but one thing I am specifically looking for right now is to block their access to the internet (outgoing), with exception of ...
3
votes
0answers
349 views

VirtualBox Port Forward not working when Guest IP *IS* specified (while doc says opposite)

Trying to port forward from host (Mac OS X) 127.0.0.1:8282 -> guest (CentOS)'s 10.10.10.10:8080. Existing port forwards include 127.0.0.1:8181 and 9191 to guest without any IP specified (so whatever ...
3
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0answers
736 views

Apache2 + Php + Pthreads HowTos

I'm running Ubuntu 14.04 LTS 64 bit. What I would really love to do is sudo apt-get install libapache2-mod-php5 but compile PHP with --enable-maintainer-zts so I could later install pthreads with pecl ...
3
votes
0answers
2k 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 ...
3
votes
0answers
176 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. ...
3
votes
0answers
3k views

Perf samples too long, lowering kernel.perf_event_max_sample rate to

My machine freezes from time to time and I can get it working back by pressing the space key. I have this problem since two weeks now, but it was just once per day max. Now it's starting to be many ...
3
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0answers
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 ...
3
votes
0answers
255 views

I can't get XFCE terminal to display VIM's colorschemes

That's what I have in my .bashrc if [ -n "$DISPLAY" -a "$TERM" == "xterm" ]; then export TERM=xterm-256color fi In my .vimrc I have: set t_Co=256 echo $TERM prints xterm-256color tput ...
3
votes
0answers
84 views

DNS tunneling through an SSH connection looses connectivity

In the article 'UDP traffic through SSH tunnel', it is described how to tunnel DNS trough a SSH tunnel: client# ssh -N -L 6667:localhost:6667 user@server server# mkfifo /tmp/fifo server# nc -k -l ...
3
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0answers
424 views

LSI SAS 2308 MPT2SAS Linux Read/Write performance

LSI SAS 2308-8e (6Gb/s per Lane) PCIe 3.0 card. Average Read/Write Raw performance for 4 SSDs is very low around 430 MB/s (Expected 2 GB/s).I am having Intel Core i3 with quad cores and 4 GB RAM. ...
3
votes
0answers
78 views

scp doesn't work when my .bashrc is echoing to console

Ok, so I have used linux for a long time but this is the weirdest thing I have encountered in a long time. Maybe I just don't do a lot of scp so probably missing something simple here. So in my ...
3
votes
0answers
293 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 ...
3
votes
0answers
111 views

Short hang on each new window and each closed window in Linux / Gnome Shell

Every time I open a new window on screen, the entire display freezes for 3 seconds. Every time a window is closed, the entire display freezes for 3 seconds. The first few windows after reboot are ...
3
votes
0answers
677 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 ...
3
votes
0answers
280 views

Poor write performance on ecryptfs

I did a bit of benchmarking with ecryptfs and dm-crypt, and got some interesting results. All the following were done with a Btrfs filesystem, using dd to copy a ~700MB file to/from a ramdisk with the ...
3
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0answers
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 ...
3
votes
0answers
164 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 ...
3
votes
0answers
190 views

Need noacpi in CentOS 6.4, not in RHEL 6.4

I've been trying to fix a rather odd problem that I've seen on our new Dell R5500 (Xeon based workstations). We want to run CentOS 6.4 64 bit on them. We did a base install which worked fine, however ...
3
votes
0answers
603 views

What is causing this post-commit error “database is locked” when I perform SVN commits?

I have a Ubuntu machine acting as a subversion server via an svnserve daemon (as root) in my private network. The svnserve daemon reads from a mounted SMB share that is on our raid setup. I can ...
3
votes
0answers
736 views

redshift color adjustment with hardware/software cursor

I'm running Arch Linux (with Con Kolivas' ck1 patchset, although that shouldn't affect this issue) and using the proprietary Nvidia graphics driver, currently at version 313.26 (my card is a GeForce ...
3
votes
0answers
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 ...
3
votes
0answers
218 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 ...
3
votes
0answers
418 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: ...
3
votes
0answers
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: ...
3
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0answers
164 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 ...