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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Problems with installation libgd3:i386 on ubuntu container

I have a standard ubuntu container (14.04 LTS), created by: lxc-create -B btrfs -t ubuntu -n xxx On this container: libgd3 was installed correctly: LANG=EN_GB apt-get install -f libgd3 Reading ...
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5answers
78k views

How to reinstall GRUB2 EFI?

After successfully updating my bios, something went wrong and I ended up with a blinking cursor on the top left corner of a black screen. No errors, no nothing. The bios now only listed a SATA: ...
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1answer
37 views

How to estimate available physical memory on Linux?

Several resources around the net (apologies for not having links handy) recommend to determine the total amount of available physical memory on a Linux system by the second value on the "-/+ ...
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8answers
27k views

Is it possible to ping an address:port?

I am not into networking, and I have the following question related to the Linux ping command. Can I only ping an address? For example: miner@raspberrypi ~ $ ping onofri.org PING onofri.org ...
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0answers
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Is there a window manager that allows you to set environment variables

My problem here is that I often stays logged in for a considerable amount of time and the usual methods of setting environment variables doesn't work in a satisfactory way: If I set environment ...
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2answers
48 views

FFMPEG error while loading shared libraries: libass.so.4: cannot open shared object file: No such file or directory

Problem: I recently 'updated' to Ubuntu 14.10 from Ubuntu 14.04. Since then, whenever I try to issue any command to FFMPEG, I get the following: $ ffmpeg -i ffmpeg: error while loading shared ...
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7answers
12k views

Are we suppose to manually delete contents of /tmp?

I was under the impression that /tmp will regularly delete "old" files. Seems to me that /tmp will just grow as long as it wants to and won't delete anything. Some people say it's betetr to just leave ...
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1answer
4k views

Wirelss card not being detected in backtrack 5

I just installed backtrack 5 and I am unable to detect my wireless card. iwconfig doesn't list my interface. I can see that the hardware is present in lspci -vnn (see below) but I can't get the ...
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1answer
38 views

How to change resolution past 1024x762?

So my Windows 8.1 broke on me and I have no way to repair it without a disc. I just switched to the latest stable Ubuntu last night until I can get an ISO to repair my Windows 8. I'm curious why my ...
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3answers
941 views

mounting nfs gives “access denied by server while mounting (null)”

I've recently upgraded one of our machines to debian Squeeze from lenny. Previously, these machines mounted 2 NFS shares /home and /home/scans/data After the upgrade they can only mount one at a ...
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1answer
2k views

How to fix Ubuntu 10.10 black screen from terminal?

I'm trying to install Ubuntu Desktop 10.10 on an Intel Atom mainboard (Intel D945GCLF2) with CRT that has been running Ubuntu 9.x previously. Both, Desktop live CD / installer and alternate install CD ...
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1answer
143 views

How do I format a Seagate Expansion Desktop drive?

I have a Seagate Expansion Desktop drive model STBV3000200 (which I believe is the same as the STBV3000100, except for the power supply). It is also known by its "Regulatory Model" number SRD00F2. It ...
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1answer
26 views

Can't boot off of USB after installing FreeBSD

So I recently installed FreeBSD on my desktop computer. It was very complicated, so I decided to switch to Debian. I tried to write Debian's boot.img file to a USB using the official Debian help page ...
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1answer
25 views

Echo in file returns No such file or directory

I'm wondering why my simple script doesn't work: #!/usr/bin/env bash user_variable='$1' echo "export USER_VAR=$user_variable" > ~$user_variable/.filename When I launch the script I have this ...
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3answers
7k views

How can I mount a disk image?

I have a disk image myimage.disk which contains the partition table and a primary partition (i.e. a FAT32 filesystem). Think that as a USB pen image. I want to mount the primary partition to a local ...
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1answer
55 views

All 1000 scanned ports are closed? [on hold]

I have an Ubuntu and Windows Xp as virtual, my problem that when I scan Ubuntu, I received that All 65535 scanned ports on ubuntu are closed But when I scan Windows it works as it should, and ...
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2answers
3k views

Why did wget download to the home directory (Linux) rather than the specified directory?

I ran the wget command via the terminal for the very first time(linux newbie) and rather than downloading the file to the path I specified i.e. wget {URI} /home/{username}/Downloads but it downloaded ...
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3answers
35 views

using awk on only files which START with 'xyz'

I have 3 files in a directory: xyz1.txt, xyz2.txt, rst_xyz.txt and I want to work with ONLY the first two (those which start with xyz). The command ls | awk '/xyz/{print $1}' will return all three of ...
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0answers
16 views

How do operating system window managers deal with multiple DPI levels across monitors?

I've been using Linux for years and one of the things that is lacking (due to X being way too freaking old and Wayland living in a far away land) is support for high DPI monitors. Looking at my ...
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1answer
15 views

MPD fails to load music

I installed MPD on my raspberry running pidora. I compiled it myself, so there might be a problem with that. I configured mpd as it is written in the normal wiki pages: Here is my .mpdconf ...
0
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1answer
28 views

files different on removable hard drive in linux

I'm having a problem with my external hard drive when using it on my linux system. I am running ubuntu with kde, and I have a 1tb hard drive (formatted in ntfs, I think). I was working perfectly when ...
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9answers
35k views

How can you see the actual hard link by ls?

I run ln /a/A /b/B I would like to see at the folder a where the file A points to by ls.
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0answers
8 views

MS Sculpt Keyboard calculator/f-keys

I bought a Microsoft Sculpt wireless keyboard and mouse combo a bit ago and am quite happy with the mechanical function of the thing. However, xev doesn't want to report anything from the calculator ...
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0answers
15 views

How can I edit the delay of the first frame of an animated gif

I've assembled a gif using gnuplot, however I want the first frame to be still for a few seconds before the graphic starts animating. How can I edit the delay of the first frame of the gif?
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1answer
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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1answer
209 views

Debian not reboot or shutdown

I'm truck with a simple problem of rebooting with my installation of Debian 7. I got inspire by this issue but it's not working. I tried a lot of combinations but still nothing. I'm not sure about ...
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1answer
25 views

Confusing end of line characters in Vim

How to view in Vim if there is any end of line character at the end of the file? If file content is '1234' as by echo -n 1234 > file.txt Vim shows (with :set list option) '1234$'. If file content ...
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1answer
11 views

Linux / Change ulimit -Hn

When I do ulimit -Sn, I get 1024. I change it with: ulimit -n 4096 and It changes to 4096. How do I do the same process to ulimit -Hn
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4answers
158 views

How do I upgrade scientific Linux 6.3 to 6.6

Upgrading Scientific Linux 6.3 to 6.6 I have to update machines of SL6.3 to 6.6. I tried #yum list updates and .# yum update It downloaded some files and installed . But my SL is still showing SL6.3 ...
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1answer
16 views

Why tar hangs failing to extract a file

I am using a Solaris 11 system and am trying to extract from a tar file which I know to be OK, but when I try to extract it, tar hangs. I don't get any feedback from tar. What areas of Solaris should ...
0
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1answer
15 views

Vim colorscheme not displaying properly

I realize that questions about Vim colorschemes have been asked quite frequently, but I believe I've tried the advice in all of them and I can't quite seem to get my colorschemes to work. That being ...
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2answers
31 views

How to run a command in a new gnome-terminal?

I want to run some commands on some servers. So, I created a bash file: #!/bin/sh for n in `cat ~/nodes`; do gnome-terminal -x ssh root@$n ANYCOMMAND done The connections are ...
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1answer
15 views

CentOS bashrc function to email on login

I've a system setup where an email is sent on a user login (line from .bashrc): printf "user details, ip etc" | mail -s "[LOGIN NOTICE] `hostname` - `whoami`" <admin>@<domain>.co.uk ...
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1answer
709 views

configure iptables to block all(as much as possible) bittorrent traffic

good day all This is my current iptables setup Generated by iptables-save v1.4.7 on Wed Apr 9 13:50:31 2014 *filter :INPUT DROP [0:0] :FORWARD DROP [0:0] :OUTPUT ACCEPT [0:0] :LOGDROP - ...
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1answer
171 views

Linux ALSA: No sound out from internal speaker

There is no audio output when running "Test Speakers" in Sound Preferences -> Hardware -> pcsp. The internal speaker worked fine under Windows. Sound can, however, be heard when headphones or a ...
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1answer
42 views

BCM4360 5Ghz AP-mode on Linux

I want to setup an access point on Linux on the 5Ghz band. However the current card I have doesn't support this (the Intel Wireless-AC 7260), so I want to buy another one. I thought of an Asus ...
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0answers
16 views

How to install hugin on cent os 6.5?

Trying the whole day to run hugin on centos? Thought I could use fedora repos, but I had no success. Anyone experience with that?
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0answers
29 views

Linux Mint MATE Caja “Share Folder…” menu entry missing

I have two Linux Mint 16 MATE boxes connected. One has the "Share Folder..." right-click menu item in Caja, and the other does not. How do I get it? Later: After installing caja-share, the menu item ...
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1answer
10 views

Connecting a QR reader to Linux

I am trying to connect a QR Code reader via USB to my linux (Debian 5) running in a VM. Here are the tailored outputs of various commands: dmesg $ dmesg [ 1141.368166] usb 1-2.1: new full speed USB ...
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1answer
44 views

What file sharing systems for peer to peer Linux boxes on LAN with occasional Windows box?

This is a home network and I am the only person using it. I have two Linux boxes (Mint 16 and 17) dual boot with both MATE and Cinnamon desktop logins. I would like to set up my network to enable ...
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3answers
2k views

installing GitLab on CentOS7 failing due to create on resource user

I am trying to install gitlab on a VM under VirtualBox running CentOS 7 I am following the following instructions: https://about.gitlab.com/downloads (for CentOS) I configured gitlab.rb to contain: ...
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0answers
11 views

wrong MC colors when launched via xterm -e mc

I use ini-customized color theme in Midnight Commander 4.8. [Colors] base_color=linux:normal=cyan,rgb002:input=white,cyan:inputunchanged=black,cyan:dhotnormal=red When I launch xterm and then ...
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1answer
24 views

Missing MySQL extension required to run WordPress on custom Linux server

I need to get WordPress up on running on a custom Red Hat Linux server, but am getting the following error when attempting to visit the WordPress install page: Your PHP installation appears to be ...
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0answers
14 views

ffmpeg: video4linux2 + pulse desync

I was able to get the Video4Linux2 driver to use my USB capture card, Roxio Easy VHS to DVD, but only the audio. I've given up on fixing that, so I'm using my microphone ports, with an RCA adapter. I ...
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1answer
25 views

How to run jar file on linux hosting?

I want to run android app server on my hosting so as to get a static IP address. but the problem is .jar file is not being executed on the server. whenever i click on the link of the jar file it ...
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1answer
6k views

remote desktop to Fedora 20 with xrdp

I was able to setup xrdp on my Fedora 13 machine and access it from my Windows 7 machine by follow the steps on the first post on this thread It was simple and easy. But when i try the same on my ...
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2answers
36 views

In an AFS filesystem, why am I unable to access some directories where I have r-x permissions, and able to access some where I have no permissions?

I've encountered some unexpected behavior when trying to access directories in an AFS mount using Linux (specifically, in bash 4.3.11(1)-release on Ubuntu 14.04.1). In some cases, I'm unable to access ...
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1answer
111 views

How can I install a .deb package in Ubuntu Linux

My friend wanted me to try Ubuntu Linux so I did. Unfortunately I have no idea how to use it. I'm trying to install BlueJ and this is what I did: I got my JDK and used sudo apt-get install ...
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0answers
32 views

Best Customizable Linux Distros [closed]

I have been using Windows for a while, but I am the type of person who likes to tweak everything in a system and this is quite difficult to do in Windows. I have decided to move to Linux mostly ...
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2answers
72 views

How to give two user permission in same directory (linux)

I need to give permission for two users in the same directory, ie I'm running a web application in /var/www and I want to make web server(nginx) writable, also want to give access to a ftp ...