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

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control mount order of partitions on a USB disk in linux

I have a backup external hard drive in a USB box that is identical to my laptop's boot drive so that I can swap it in if my boot drive fails. When it's connected to the system for normal use (e.g., ...
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204 views

linux ldd command cannot work

I am using linux mint13 64bit now ,when I use ldd memcached the error is below: ldd: ./memcached: No such file or directory I don't know why.
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61 views

creating shared storage space for linux build on 32 GB USB

I'm building LFS to a 32 GB USB key and I am wondering if anyone could point me in the right direction for some information on how to format my USB key to meet the following requirements: when ...
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112 views

Quickest way to iterate on custom OpenWRT builds

I've been playing with the OpenWRT Attitude Adjustment trunk on my TL-MR3020 lately, and since I'm modifying some of the included packages that get installed via feeds, I need to reflash the firmware ...
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398 views

Installation of CentOS on external Hard Disk

I installed CentOS on an external hard disk and it works correctly with one of my computers. However, when I boot CentOS from the external disk on my other computer, it throws an error: kernel panic - ...
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93 views

Arrow keys on manpages & installation dialogues not working

I do have a strange problem in my SSH console while working on the server. When I login to the server, I can use the arrow keys as usual e.g. arrow up for previous commands, arrow left/right for ...
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27 views

Selecting in more than one terminal

First, thank you for your help. I've been using *nix for 5 years now, and this has always bothered me: I cannot select text in two terminals, without clearing the first selection as soon as I select ...
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422 views

Set X11 screen resolution with xrandr

It's been a while since I've needed to use xrandr. I remember being able to just use -s# to specify which configuration you wanted to apply for example if I had: CRT1 connected 1400x1050+0+0 (normal ...
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63 views

Howto install a python app and add it to path in Linux?

I've created a python app with several sub modules. What's the prefered way to install/deploy such a multifile python app? Any user and process should be able to call the app/script without changing ...
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549 views

Enable external monitors on W520 laptop running CentOS 6.4

Has anyone done this? I've googled around for hours but no luck. Some suggest to change the BIOS "Display" settings (to "integrated" or some other value), others suggest to use xrandr, others say add ...
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980 views

How to explicitly free EADDRINUSE port for binding it again?

$ testOnDemandRTSPServer ... Play this stream using the URL "rtsp://192.168.90.2:8554 ... ^C $ testOnDemandRTSPServer Failed to create RTSP server: bind() error (port number: 8554): Address already in ...
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360 views

Multi-threaded execution of simple perl/python script

Some years ago a friend created a 'benchmark' (Note: Not a benchmark) by which wouldwhich we measure one raw aspect of computing power. Namely how fast (or indeed slowly) the computer could count to ...
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128 views

Debian DomU on Debian Dom0

I've set up xen on a Debian squeeze DomU and it seems to be working. I followed the this guide The problem I have is when I try to start the VM and attach the console using xm create -c /etc/xen/...
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758 views

How to scp files that match a particular date and name pattern

If I run an ls -ltr on myserver.org:/some/path/dir: -rw-r--r-- 1 devops devops 20727251 Mar 16 08:02 herp1.derp -rw-r--r-- 1 devops devops 24542012 Mar 16 08:03 herp2.derp -rw-r--r-- 1 ...
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1k views

Fixing MTRR error in Linux

I am getting this error is Backtrack 5 R3 using KDE, Error setting MTRR (base=0x80000000 size=0x10000000 type = 1 inappropriate ioctl for device (25) Here is the X server log and here is my MTRR ...
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242 views

How to drop IP packets received on the default route interface when no other than default route is found?

I am setting up a router based on a linux kernel. As expected, ipv4 packets received on the interface used by default route are sent back to the same interface in case no other route is found. Is ...
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39 views

Installing a CPAN module using a remote compiler

I need to install the XML::Parser module. Unfortunately, that package uses expat. Due to security concerns, I am not allowed to install the dev package of expat. making the CPAN Module fail to install....
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772 views

USB flash drive doesn't appear in any OS

Hi I got new Kingston DataTraveller drive. I have repartitioned it in OS X than dumped and image of another flash drive on it. Few more times of the same but now it doesn't appear in any OS when I ...
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666 views

dpkg : dependency problems - leaving unconfigured

I have a problem with Emacs on my Linux Mint. When I make an apt-get upgrade or apt-get -f install, I have this error message : Paramétrage de emacsen-common (2.0.3) ... /var/lib/dpkg/info/emacsen-...
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247 views

VMware: Best way to assign static IP and DNS entries for guest machines?

I'm looking for a scriptable solution for assigning a static IP address and DNS entries for VMware guest machines. There is a pool of IP addresses we allocate for internal use, so I need to be able to ...
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344 views

Trying to access MySQL Database on Linux Guest from Host

I am trying to access MySQL Database on Linux Guest from Host and I am getting the following error: ERROR 2003 (HY000): Can't connect to MySQL server on 'REGAN' (111) I already setup port forward ...
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509 views

Traffic shaping linux upload issue

Im currently working on a traffic shaping in linux. We have a client connected to a server running nat and dhcp. What we want to do is limit both the upload and download speed of the client/clients. ...
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34 views

No sound and no network connection in Ubuntu

I changed the permission of /usr today. So stupid. Then I went into recovery mode and changed the permission back. But after that, there are no sound and no network connection on my system. What ...
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52 views

Multiple drupal installations on apache work with their own DNS entries but not with Alias

So my localhost server has never had a problem because I've never been developing with other people on multiple websites. Now, however, accessing a secondary site via an Alias is running into a ...
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743 views

Arch Linux Terminal is Garbled After Install (latest)

I've installed Arch Linux successfully on a Virtual Machine (VMWare) with no issues. However, when I installed Arch on an older physical box I'm getting a bit of weirdness (Old Gateway PIII, 766 Mhz ...
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284 views

Citrix-XenApp Error (SSL-Server 61) with FF on OpenSuse 12.2: how to bypass?

good day dear Superuser, I am trying to utilize Citrix XenApp to remotely access my work userid and applications from home. I can login and see my virtual desktop/applications, but when I try to run ...
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2k views

rm: cannot lstat directory, it says 'Invalid argument'

We use a flash card on our MySQL server. After a reboot, there is a dead directory entry in the flash card mount; rm -rf export-20130413-013547 returns the error rm: cannot lstat 'export-20130413-...
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236 views

Utilize unused hard drive space

I have a MK802 Mini PC with a nice 16gb SD card running Rikomagic Linux; however, I can't even tap into more than 3.7gb of it. The system image (.IMG) I installed on the SD card was ~7.8gb. "fdisk -...
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392 views

Additional source directories using Geany

I'm using Geany in Ubuntu as an IDE for a C++ Project, and I want to use some external libraries (from Webots). However, I don't find the option to specify additional library paths (as one can find in ...
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99 views

How to easily encrypt a directory on backup USB on Ubuntu?

I have an unencrypted USB stick that I don't want encrypted. However, I want to save some data in a folder encrypted on that particular USB, in a way that will allow me to decrypt it again on ...
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62 views

Wake up PC via USB from another PC

How can I wake up/turn on Linux powered PC from another Linux powered PC via mutual USB cable?
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87 views

NDIS wrapper vs Kernel module?

I have a small issue. I have a computer running Linux (currently Ubuntu) that has a USB wireless adapter. The adapter is a Cisco AE2500 Dual Band Wireless-N. I cannot get this adapter to work on any ...
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127 views

OpenVPN configuration

Preamble: I am lucky to have an IP subnet which has real IPs, so no NAT. I have a network from 1.2.3.0 to 1.2.3.128. I have a Debian server with an eth0 interface say 1.2.4.9. Now I want to have an ...
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208 views

How to configure secureCRT to remove content display after quit from vim

Open a ssh or telnet connection in secureCRT 6.0 or 7.0, when "vim xxx.txt", after quit vim by ":q", the content of xxx.txt will still be visible in screen. But in putty, the same operation, content ...
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91 views

file command output — linux version

Why two executables are showing different version for linux. When cross-compiled compiled under chroot enviroment. GNU/Linux 3.6.3, GNU/Linux 2.6.26, Hello world program output. ignite@ignite:~/...
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120 views

Linux desktop slow, hard disk is lighting but cannot figure the reason from top, iostat and vmstat

I'm trying to figure out why sometimes HD lights and computer becomes very slow, but I cannot figure out the reason. Below is my iostat, vmstat and top -n 1. Any idea? mladen@mladen-desktop:~$ iostat ...
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951 views

Network Manager overriding /etc/hosts file

I believe the network manager service on Oracle Linux 6 is causing problems for the clouder-scm-agent which is running on my machine. The clouder-scm-agent starts up on the server ip it resolves from ...
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439 views

Passwordless ssh between two nodes, but the authorized_keys file is on a shared filesystem (GPFS)

so I have two servers. On these servers /dev/sdb is a disk that has been used for a shared filesystem (i.e, both servers put their second harddrives "together" and now each one can use all the space ...
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72 views

Installed Debian on a PC, now cannot boot to anything else

I installed Debian (6.07) on a PC. I wanted to install Ubuntu (12.10) after, but I could not boot to CD after Debian was installed. In fact no bootable disk(CD or floppy) would load once Debian was ...
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163 views

Free disk space when installing debian?

I am currently installing Debian on VirtualBox. I want to partition the disk so that there is free space left over. How can this be done? Should I choose manual partitioning? If so how should I ...
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272 views

Unable to resize Ubuntu VM with VirtualBox

I've gone through some of the similar questions asked, but none seem to quite solve my problem. I have a VirtualBox 4.2 install on Ubuntu 12.04 (x64) as host, with Ubuntu 12.04 Server (x64) as guest. ...
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22 views

Built installation usb key from linux virtual machine

I have a virtual machine I'd like to install as real os on my machine. As I have refit installed on my macbook air (Mac os, windows and ubuntu), I tried the clonezilla methode in order to overwrite ...
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562 views

Linux machine refuse to boot with invalid elf header

Recently, after a power supply crash problem, my linux machine (Centos 5.5 X64) did not boot neither gnome nor shell. On gnome startup it shows this error: /etc/X11/prefdm: line 16: :/etc/sysconfig/...
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1k views

How to pass parameters to a Linux kernel with grub?

I have posted the question "Kubuntu 12.10 laptop battery dropping fast" and there i have received the answer as accept As advised on another Stack Exchange forum, the procedure to accomplish an ...
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379 views

Remove a older Version of man-db on a Raspberry with Debian Squeeze, man-db breaks less (<<456)

for some people this would be easy but I've been googling a lot and I can't find a solution. My problem is tha I want to install man-db_2.6.3-3_armhf.deb on a raspberry, but when I try to install it ...
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481 views

How can I connect to wpa wifi access point from a freashly loaded SystemRescueCd?

There are many wifi access points around me which passwords I know. I try to install gentoo linux from SystemRescueCd. It supports wpa. How I can scan for access points in the console? How I can ...
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525 views

Access denied on all users except root

Been looking for an answer to this for hours now, and can't find one. I'm trying to SSH into my Ubuntu server. I can login with no problem as root, but as soon as I try to create another user and ...
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175 views

After X restart all XFCE styling is gone (icons,fonts,colors)

I added a monitor with nvidia-settings and after restarting X all my settings seem to have disappeared .. I tried many things like restoring the xorg.conf - this worked but then I saved to nvidia-...
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113 views

Moving bluetooth pairing from one PC to another?

I'd like to be able to move bluetooth pairing from one PC to another so the bluetooth device would automatically pair to the new PC. It appears that this is requires a few things: Moving the ...
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2k views

Pam Tally Linux to ban users from wrong passwords

I have a major problem with a fedora distribution (17). I don't know how to set up /etc/pam.d/system-auth in order to ban a user after he/she writes the password wrong (3 times) I have read ...