Questions specifically about Linux but not specific to a particular distribution. If the question could apply to any Unix-like system, specify your Linux distribution in the body of your question but do not use the /linux tag.

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0
votes
1answer
568 views

FFMPEG Conversion Fails

Bad file? I'm very new to FFMPEG so how can I better debug and trace these issues? ffmpeg -i /home/videospace/public_html/labo/lion.3gp new_video.flv ffmpeg version N-57647-g1880294 Copyright (c) ...
0
votes
1answer
768 views

how do I include the qcserial module in the kernel?

I need a kernel compiled, featuring the qcserial module to have support for the Huawei EM 680 model (Gobi 3000). I got kernel 3.11.6 and can find the appropriate source file in ...
1
vote
1answer
55 views

What software allows the change of runtime-environment, while keeping the same kernel running?

I know that with a GNU/Linux distribution you can switch between different distributions at runtime when they use the same kernel or the kernel is compatible between 2 or more different distributions; ...
1
vote
0answers
247 views

dm snapshot - how does it work?

Fedora uses dm-snapshot for making the root filesystem read-write. At least for me, when running a livecd (even without touching it), it will become unusable relatively quickly meaning it has ...
4
votes
1answer
182 views

Midnight Commander, using date in User menu

I would like to use MC (midnight commander) to compress the selected dir with date in its name, e.g: dirname_20131231.tar.gz The command in the User menu is : tar -czf dirname_`date ...
4
votes
1answer
352 views

What is ionice `none: prio 0` equivalent to?

The ionice manual states that: Note that before kernel 2.6.26 a process that has not asked for an io priority formally uses "none" as scheduling class, but the io scheduler will treat such ...
7
votes
3answers
397 views

what is meant by vi and emacs editing modes [duplicate]

What is meant by "Enabling command line editing and vi and emacs editing modes"? I know vi is an editor and have used it as well, but what and how is it related to command line editing bamboozles me. ...
0
votes
3answers
215 views

I want to print a line when a user login [duplicate]

I what to print "you are on an important server" whenever a user(any user) login to a server. Is the way is to edit each user .cshrc file?
9
votes
1answer
348 views

How can I track executables created by my user on Linux?

Using Linux, I would like to track the executables that are executed in my name, including the whole command line (in practice, every exec*() done as my own user). A program I do not control is ...
1
vote
0answers
186 views

How to get Wine to work in Proxychains?

I have configured proxychains to use Tor: proxychains firefox Works well. proxychains wine <app> The applications always fail to connect to the Tor network, which can work without ...
31
votes
3answers
13k views

Shell: how to go to the beginning of line when you are inside a screen?

I am inside a screen (screen -Ra). I have a long command, and I am at the end. Instead of keeping the left arrow, how can you go to the beginning of the line? CTRL-A works when I am in a normal ...
18
votes
7answers
7k views

Linux equivalent to ReadyBoost?

Is there a kernel module or some other patch or something similar to Windows' ReadyBoost? Basically I'm looking for something that allows disk reads to be cached on a Flash drive.
-1
votes
1answer
808 views

How to install libesedb? Build error

I'm trying to build the libesedb package so I can read edb files. I went to: http://code.google.com/p/libesedb/wiki/Building and found the following: tar xfv libesedb-alpha-<version>.tar.gz cd ...
1
vote
3answers
365 views

How do I use unused partition in a dual boot environment

I have Ubuntu installed as a host with Windows operating system.I have installed Ubuntu on one Windows drive having around 70 GB of space. While installing Ubuntu I just specified 30 GB of disk space ...
1
vote
1answer
926 views

Worker MPM or Prefork?

I understand that there is a comparison topic between the two modules but this is different. I was contacting cPanel support in order to help me freeing up some memory usage on the VPS. They found ...
1
vote
1answer
325 views

Always display Energy Applet?

My Stepdad uses Linux Mint and although he doesn't have a laptop, he would like the power/energy applet to be visible in the taskbar so he can keep track of his wireless mouse it's power status. ...
0
votes
3answers
125 views

linux + awk + file manipulation

I have the following file more file.txt 1 2 3 4 4 2 23 4 5 23 2 3 END_OF_LINE 1 3 7 4 2 23 4 6 7 4 2 1 5 How to print only the fields 4 and 5 and 6 until the line END_OF_LINE , and from ...
0
votes
1answer
818 views

Cannot upen libusb shared object

I'm trying to use heimdall to install a custom Android ROM. When I run it, I get this: ./heimdall: error while loading shared libraries: libusb-1.0.so.0: cannot open shared object file: No such file ...
3
votes
2answers
595 views

How can I load a module at runtime?

I just compiled the qcserial module which is a driver module for a Gobi USB modem. Now I have a couple of questions. Now I have two files: drivers/usb/serial/qcserial.ko and ...
18
votes
1answer
3k views

per process swapiness for linux

/proc/sys/vm/swappiness is nice but i want a knob that's per process like /proc/$PID/oom_adj so that i can make certain processes less likely than others to have any of their pages swapped out unlike ...
8
votes
2answers
3k views

Determine if a specific process is 32- or 64-Bit

Given a 2.6.x or newer Linux kernel and existing userland that is capable of running both ELF32 and ELF64 binaries (i.e. well past How do I know that my CPU supports 64bit operating systems under ...
8
votes
1answer
16k views

Changing screen resolution/geometry of a vncserver without randr in Linux

I want to change the resolution / geometry of my VNC session dynamically without affecting the programs running inside it. I referred: Changing the resolution of a VNC session in linux. I don't have ...
2
votes
1answer
502 views

What network interface does Linux route traffic through by default? [closed]

I have a VPS with 4 IP addresses. I am changing the IP address of eth0 on daily basis. eht0:1 has its own IP address. eth0 (192.168.1.3, 192.168.1.4, 192.168.1.5) eth0:1 (192.168.2.1) I have my ...
8
votes
2answers
12k views

How can I resize my root partition in Debian?

I am trying to add space to my root partition and am really not sure the safest way to go about it. I have read this thread, Can I resize the root partition without uninstalling and reinstalling ...
0
votes
1answer
292 views

Postfix header_checks

I want to forward a copy of the users email which has the specific subject. I have tried the below settings, able to Redirect that particular subject mail. But I want to forward a copy of that mail to ...
0
votes
2answers
153 views

Which runlevel is best for a Linux (Debian) server (DBMS/SCM)?

I currently try to harden the system and the security of a Debian server running a database and a source code management. I just want networking and me (one user) to be able to login. Which runlevel ...
2
votes
2answers
107 views

Kodak still camera udev problem

My still camera is not includev in udev list. lsusb stands: Bus 007 Device 016: ID 040a:058b Kodak Co. Digital Camera So I add to /usr/lib/udev/rules.d/40-libgphoto2.rules ...
0
votes
1answer
267 views

SFTP Modification time Permission denied when touching/updating files

The file is apache:apache 660 and username is jdoe and he belongs to groups jdoe and apache. He SFTPs into the server with WinSCP but when he goes to perform an edit which includes a set modtime ...
4
votes
1answer
2k views

How can I tell what memory RAM address range is being used by uboot?

I am in uboot and was wondering, how could I tell what RAM address range is being used by uboot. uboot needs memory to run so it might be using some of the RAM. I want to avoid modifying those RAM ...
3
votes
1answer
912 views

Arch Linux gets stuck on boot

I followed the Arch Linux Beginners' Guide up to the section Unmount the partitions and reboot. After rebooting (I use grub as bootloader) without the quiet parameter, I get the following output: ...
0
votes
1answer
323 views

Reading virtual memory

Is it possible to read virtual memory even if /dev/kmem is not available? I know that I can recompile kernel to allow this file, but that's not the solution I'm looking for. Is there some tricky way I ...
0
votes
1answer
884 views

Tmux ranger integration: opening text files in new panes

Here we have some amazing tools: tmux, ranger, vim... Would be amazing to configure ranger to open the files (when text editable) in a tmux newpane? Is that easy and how it is done?
1
vote
2answers
551 views

Installing OpenJDK 7 (JRE) but only policytools found in ./jre/bin

I'm trying to install Java 7 onto my Ubuntu machine through apt-get. I'm issuing the to install using apt-get: sudo apt-get openjdk-7-jre apt-get claims a successful install, but I cannot appear to ...
4
votes
3answers
7k views

Trouble booting server from GRUB prompt

I just installed CentOS 6.2 on my server but it keeps going to the GRUB prompt. I've never used Grub before but did some digging online. Looks like I have to run the kernel command before I can boot ...
3
votes
2answers
2k views

Move root filesystem on a logical volume to a different disk

I'm trying to move my root LV to a new VG on my brand new SSD and it's driving me crazy. I think I pulled it off with rsync, but now grub is refusing to register the new boot option off of ...
4
votes
2answers
653 views

loop-device: is this a Linux entity or a lower-level one?

Here's an Ubuntu How-to about booting from ISO-image on flash. http://ubuntuforums.org/showthread.php?t=1288604 What I don't get is creation of loop-device in GRUB2 prior to booting a kernel: ...
2
votes
0answers
70 views

Detach keyboard from the kernel

I am writing a remote controller app for an octocopter and want to use a keyboard as an input device for this app but I don't want it to have any effect outside this app. Somehow I would like to make ...
1
vote
1answer
151 views

Startup script doesn't work

I have the following start script. #!/bin/bash # MyApp # # description: bla bla case $1 in start) /bin/bash /javaprog/serport-start.sh ;; stop) /bin/bash ...
9
votes
4answers
8k views

How to truely install a tar.gz file on Linux - how to manage manually-installed (or standalone) applications?

I see all these links explaining packages and .debs... I know that... and there are many kludges to get tar.gz files working (eg: update-alternatives for Java or manually dropping the file in ...
3
votes
0answers
267 views

Can't install any version of Linux

So I was trying to install #! (Crunchbang) and downloaded the 64 bit version and tried installing it. Everything would work until it was time to install grub. The grub installation would fail every ...
0
votes
1answer
2k views

Error with grub2 installation on Backtrack 5

I installed BackTrack 5 r1 and I can't select boot option between Windows and BackTrack on start up. How can I fix this, or how can I install grub 2?
3
votes
2answers
756 views

Debian Lenny: Want Splashy to start directly after Grub2

I'm running a GNU/Linux Debian Lenny with an 2.6.26-2-686 kernel. I installed splashy for a bootsplash an updated grub to version 2. Now I want splashy to start directly after the user has selected a ...
2
votes
1answer
131 views

Is it possible for grub2 to detect some specific CPU features and choose a proper kernel to boot?

I want to configure grub to check some CPU features on startup and choose a proper kernel to boot (e.g. multiple cores -> kernel with SMP support). Is it possible? If so, then how do I do it?
5
votes
2answers
2k views

How to manually manage grub.cfg for Grub2?

I am setting up my system. The features of it are: GPT partition table (not sure how important this is) Triple boot - Gentoo, Debian and Mint. Custom kernel (kernel git repo) shared amounst distros. ...
1
vote
1answer
413 views

grub does not boot when disk order changes

My BIOS has some problems and sometimes boot order of disks changes. I thought that if I insall grub on to the MBR of second data disk, it may boot. First disk(sda) is for boot and operating system, ...
0
votes
0answers
437 views

Override LDAP login shell for a specific user in RHEL

How in RHEL do I specify /sbin/nologin shell to limit a user to SFTP access only when their shell is determined by their LDAP profile? chsh only works with passwd file users I believe.
5
votes
2answers
4k views

How to recreate EFI boot partition?

I've installed Fedora on my machine with / partition, swap partition and ESP partition for EFI booting. Now, I was installing Elementary OS instead of Fedora. I have formatted the / partition ...
0
votes
1answer
4k views

GRUB reported “error: file not found.” when booting CentOS 5

I installed CentOS 5.3 by using a 4GB USB disk on an old PC that I used run a Debian on it. After a series of housework on the fresh system, I reboot the system using: sudo shutdown -r now After ...
0
votes
0answers
26 views

efibootmgr not found while grub-install --recheck on Arch linux install [duplicate]

I'm not an expert on linux. I've been used Ubuntu for a year or something. When I bought a new laptop (Lenovo G500) and wanted to install Arch Linux on this machine. I followed the steps of official ...
0
votes
1answer
183 views

GRUB splashimage

I am using leagcy GRUB (0.97) on a system running linux kernel 2.6.31. I am using a GRUB splash image from /boot/grub/menu.lst. I see that the splashimage goes away once the GRUB menu selection is ...