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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What do '!', '*', and 'x' mean in getent group?

When I run getent group, I notice that some groups have *, some have ! and some have x after the group name. In fact, there are some groups which have the same name, the only difference is that one ...
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12 views

Keep windows on 2nd screen after switching monitor via KVM [duplicate]

I am using a KVM switch for switching between my Windows 8.1 notebook and a Linux PC. That switch is smart enough to keep the EDID information for both outputs, so even after switching away from one ...
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21 views

Why isn't /etc/skel/.kde being copied into new user directories?

I'm building custom Debian images with both GNOME and KDE desktops. When I place ~/.config in /etc/skel/ to capture my GNOME settings (mainly a custom wallpaper) it gets copied into new user ...
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2answers
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I wanted to install arch linux on a UEFI/GPT system and had questions about the process

My original formal question was "How do I install Arch linux on a GPT/UEFI system" This is meant to be addressed with the documentation provided by the arch linux community, located here: ...
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1answer
23 views

Trying to inherit parent permissions but setfacl doesn't work as intended

I'm running Ubuntu Server 14.04.2 LTS and I've installed acl using sudo apt-get install acl. I'm trying to create a www folder under /srv that the web server has read/write access to in addition to ...
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1answer
64 views

How do I install the 32-bit runtime linker on 64-bit NixOS?

I need that to use mksdcard from the Android SDK. Currently, when I run that executable, the system reports "No such file or directory". For Debian derivatives, one can install ia32-libs: ...
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92 views

Install GCC 5.1 on Raspberry Pi 2 with Raspbian

I would like to install GCC 5.1 (newest version - although 5.0 would be fine too) on my Raspberry Pi 2 with Raspbian (Debian jessie) installed. Sadly there is no debian package for GCC 5.1. I've tried ...
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10 views

How can I set up default xorg mirrored displays for new users?

I'm trying to provision pairing-station workstations. These workstations have LDAP and allow all users to login and have an account. The issue I'm having is that the pairing station has 2 monitors and ...
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1answer
34 views

Sharing a hard drive between two hosts, one at a time

I have a large hard drive in my desktop computer. My laptop has an eSata port. Sometimes, I power-up the desktop PC, without booting, just to get juice flowing into the hard drive so that I can ...
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1answer
55 views

Trying to get ADB command in Linux (for copying timestamps) to work with spaces in names

Using Linux Mint 13, I have been trying to ADB copy files and directories to a connected Android over USB. Need to preserve the timestamps. (I am aware that in Unix, only Time Modified is stored). ...
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1answer
45 views

How to change DNS on a minimal networking setup

How can I replace my DNS? I am not using a network manager, except for systemd-networkd and wpa_supplicant for wireless, with wpa_cli. I'm on Arch Linux, if it matters. Although I can add DNS to my ...
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2answers
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How to send an xml file from a linux based machine to a server [closed]

I would like to ask which is the best command for linux to send an xml file to a specific ip. netcat, ssh or ftp. And is it possible to send the file every 10 minutes?
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2answers
109 views

Why am I getting 403 permission denied from Apache 2.4.7 on ubuntu 14.04

I've read about a dozen different answer to this but none of those answers seem to help. Here is the issue in a nutshell: @bos-lpqum:/var/www$ curl http://localhost/html/index.html <!DOCTYPE HTML ...
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0answers
14 views

how to keep bash buffer in sync between ansi-term line mode and char mode

when switch into term-line-mode, if bash buffer is not clear first, the original text will be left in the front of edited line, I tried to first kill the line in term-char-mode then paste it in ...
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2answers
30 views

How do I resize the main partition of my newly created ubuntu server 14.04 [duplicate]

I am new to ubuntu server and still pretty mystified by all the scripts and such. I have been reading different things available on the web and have successfully created my server and have several ...
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3answers
53 views

bash script how to parse outputs

I am writing a script to test read/write performance on the network storage, but i need a bit of help to finish the script. The script is simple: reloads the nfs mount to clear the cache ...
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6 views

How do I get the latest version of R to work in RKWard in Ubuntu?

I am currently using R version 3.02 in Ubuntu 14.04LTS, but I need to upgrade to the latest version. When I run sudo apt-get install R-base, I get a message saying that I already have the latest ...
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1answer
47 views

How to block insecure images on HTTPS pages in Chromium on Linux?

I'm trying to figure out a way to stop Chromium from loading insecure (i.e. non-HTTPS) images on pages served over HTTPS (i.e. basically the exact opposite of this question). Alas, all the ...
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1answer
46 views

Shell Script - Loop to make multiples MySQL Query at once

I've tried to handle this problem, ive a little script to conect into a list of host stored in a file. #!/bin/bash num=$(wc -l < ip.txt) while read ip; do mysql --login-path=login -h $ip ...
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0answers
11 views

cronjob + upstart for a node.js script

I can start my node.js script as a process like so: start demo because in /etc/init/demo.conf i have: respawn respawn limit unlimited exec node /home/engine/private_js/demo.js >> ...
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2answers
46 views

Allow non-root users to execute specific command

As in title - I'd like to allow non-root users to execute specific command, but not binary. Eg: # killall sshd but not allow to kill any process.
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2answers
73 views

Where to download skype 4.2.0.13 [closed]

I installed latest skype to my centos 7.1 box however there is only virtual devices. The problem is described here ...
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0answers
22 views

Copying data using initramfs console

Please assume this situation: - I want to copy some files from my HDD to a USB key - I cannot access anything except the ubuntu initramfs ash console with a busybox - I cannot boot in single user mode ...
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1answer
24 views

How to configure a gaming host

Hi I have a system that has an internet ip address. I currently have installed debian on the system. What I would like to do is also install vmware workstation or another virtual management system ...
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1answer
22 views

Infinite loop of cron jobs with intermediate output from each job

I have a program that outputs stuff to standard output. I am using cron to schedule it which is fine because I am collecting the stuff that it prints outs via email and do some statistical work on ...
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1answer
22 views

cron jobs are stopped running

I have cron job that run every 5 minutes in my red hat machine. 2,17,32,47 * * * * root /usr/sbin/logrotate -s /var/opt/swms/log/logrotate.status /opt/swms/etc/logrotate.d/syslog After running for ...
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1answer
39 views

Constantly can't open youtube on Linux but being able to load it on Windows machine

My problem is that for some reason Youtube sometimes stops, I get "problem loading page" with Firefox and the same on Chormium, I'm using Backbox(based on Ubuntu). The problem is that I can open ...
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1answer
32 views

Single shortcut to move a running process to the background in bash [duplicate]

I know how to move a process to the background by suspending it first, discussed here and here: Type Ctrl+Z Run either %& or bg However I'd like to do this without interrupting the process too ...
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0answers
27 views

with an encrypted hard drive, how can I add more space to /boot

Since the last kernel update, I have been unable to install any other packages because /boot is full : Filesystem Size Used Avail Use% Mounted on /dev/mapper/Temoin--vg-root ...
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0answers
22 views

Docker tunnel traffic on specific port via VPN

Not sure if this is docker specific or a general networking question. I'm running a Debian Jessie server with serveral docker containers. My understanding is that docker creates a virtual interface ...
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1answer
45 views

Recording with sound not possible in VirtualBox

Is it possible to not only video capture in VirtualBox but also record the audio coming from the VirtualBox? When I try to select the right device to record I get this, which bascially means the audio ...
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0answers
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slow scroll in ssh connection after a while (why?)

Remote server with screen. After some time any command with a lots of lines of output causes significant scroll lag. It happens with different terminal emulators: konsole, xterm, lilyterm, ...
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1answer
7 views

Unable to see broadcast packets with tcpdump

I am launching an application which broadcasts udp packets. I also have a simple python script to confirm that these packets are being broadcast: sock = socket.socket(socket.AF_INET, ...
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1answer
51 views

RAM not recovered even after shutting down all applications

I am running a cassandra instance on a server with 16GB RAM. The process has crashed after an OutOfMemory error. Now, when I check the memory usage, 11GB out of 16GB is used. total used ...
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0answers
15 views

How can cpu-intensive processes slow down a system despite having a scheduler?

I've encountered it on both Windows and Linux that if some process is doing some heavy work and the cpu is under a lot of stress, the whole system can sort of freeze, other processes get slow, etc. ...
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0answers
32 views

2 Nics setup on CentOS 7

I have problem with 2 NICs when I try to setup new webserver on CentOS 7 ==== My goal ==== I have 2 network cards on server, eth0 (for public ip) and eth1 (for internal ip) My goal is my server can ...
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1answer
10 views

Is it possible to rename linux network namespaces

Is it possible to rename a linux network namespace. I am using ubuntu server 14. I just created a network namespace and configured it, but would like to rename it.
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0answers
13 views

Running ruby script through php as www-data

I am running a php application on an apache server. From the php application I need to run a ruby script on the command line. I have verified that running the script directly from a terminal as user, ...
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0answers
34 views

Saltstack best practices documentation clarification

To be clear, I am not asking for the "best way" to use saltstack. I understand that there are tons of ways to use saltstack, and what works for you, works. My question is specifically about the best ...
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1answer
16 views

A way to tell how much cumulative processing a script uses

I was going to install a script on my web hosting account, and they said they were concerned that it would take too much CPU to run. I know you can monitor the instantaneous use of a process with ...
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1answer
36 views

WiFi authentication times out

Since today I have this very annoying issue that the WiFi on my HP ProBook is not authenticating anymore. I haven't changed any settings and my mobile phone connects to the WiFi fine. Also trying ...
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0answers
12 views

Netbeans remote existing project doesn't compile

I'm trying to create a remote existing project in NetBeans. For some reasons, the project is built this way on the remote Linux machine: Project's sources: /home/bob/workspace/myprojectFolder ...
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1answer
22 views

Should I move my linux swap partition closer to my ext4 partition?

I am installing both linux mint and win 7 on the same disk on an old machine, I first installed linux (I know I should have installed win first so I wouldn't have to fix grub later but well, it's done ...
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0answers
10 views

Redmine email configuration on Ubuntu 14.04 with gmail

I have an pre-installed Redmine on Digital Ocean, but the email for the application was not setup yet. How can I configure the email with gmail smtp settings in Redmine? The configuration file is: ...
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1answer
52 views

trying to install windows after ubuntu

Recently I have wiped out my macbook pro and reinstalled ubuntu on it.And now I want to install windows alongside so I can have dual boot.After doing some research online, I have created a partition ...
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1answer
20 views

Is there a way to check how many jobs a user has in the queue?

I know commands, like qsub, qstat -a, qstat -an, etc. But how can I find how many jobs a single user has in the queue (not all necessarily running) at any given time?
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2answers
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GRUB starts every other time

My ubuntu install only gets to the grub menu every other time (sometimes not even). The other times it shows a blank screen with a strange line of artefacts along the top. I'm not sure how to ...
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4answers
72 views

How does piping/redirection in Linux work exactly?

I have these three examples of redirection stdin/stdout, only one of them is working the way it is intended to. I would love if someone can explain that to me. The goal is to sort the contents in ...
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2answers
34 views

tar: How to remove files after packing but keep directory

I want tar to pack a complete directory tar cvjf dir.tbz dir But make it delete all files tar cvjf dir.tbz dir --remove-files However this removes ./dir too. So I tried to cd into directory ...
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Redundant Wine Icons in Many Programs under Wine on Debian (KDE)

I have a wine problem as shown in the image below. All the wine icons (all 3) are due to the launch of the OriginLab (the most left one icon). When you switch to these wine icons, they generally do ...