Operating Systems » Linux | Browse Tutorials

Linux

Linux refers to the family of Unix-like computer operating systems using the Linux kernel. Linux can be installed on a wide variety of computer hardware, ranging from mobile phones, tablet computers, routers and video game consoles, to desktop computers, mainframes and supercomputers. Linux is a leading server operating system, and runs the 10 fastest supercomputers in the world.

25 Nov, 2019

ArchLinux: downgrade packages

Linux

How to downgrade packages in ArchLinux. There is a nice package that automates this process for you. For me I ran into an issue with postgresql version update that broke the service. So I downloaded...

28 Oct, 2019

Install yay on ArchLinux

Linux

How to install yay on ArchLinux. I used to use yaourt, since it is no longer developed I switched to yay.

30 May, 2019

Cast any video from command line

Linux

How to cast any video from command line to chromecast. Cast your audio/video to your Google Cast or Sonos Devices, the program to cast audio and video from your macOS, or Linux desktop to your Google...

2 Mar, 2019

Send email with mail() using smtp in PHP

Linux

When you set up Apache in vpn you also might want to send emails with PHP. You can use msmtp to send emails from the system using smtp. Eliminating the need to use some php library for smtp.

18 Oct, 2018

Masterpdf 4 for Arch Linux

Linux

Use this content to replace PKGBUILD. Also you can freeze masterpdfeditor after installing this older version. This package can be found from the AUR git as well.

31 Aug, 2018

Arch Linux: Use Autocomplete in Command Line

Linux

In default you can use extremely limited autocomplete in bash command line. For an example you can't use autocomplete after you type "sudo". When installing this package all the extra autocompletes...

2 Jun, 2018

ffmpeg2.8: installing x265 (2.8-1) breaks dependency 'libx265.so=151-64'

Linux

error: failed to prepare transaction (could not satisfy dependencies) ffmpeg2.8: installing x265 (2.8-1) breaks dependency 'libx265.so=151-64'

26 Mar, 2018

Remove Docker containers, for already exists error

Linux

Easy fix for an error "ERROR: for [CONTAINER_NAME] Cannot start service mailhog: container "[CONTAINER_ID]": already exists.". This is the quick fix, the to problem. To find out what went wrong with...

21 Sep, 2017

ArchLinux: Install older package from AUR

Linux

It is actually really simple. If you downgrade packages in ArchLinux you can use "downgrader" for official repositories, but for AUR packages you need to do it manually. The problem I had is that I...

1 Jun, 2017

Serve static gzip with webpack and nginx

Linux

Tutorial for serving static gzip with webpack module bundler and nginx server. When you would use nginx directly to compress the output, it would do it on the run and with some load increase the cpu...

24 Apr, 2017

Arch Linux: "WARNING: Possibly missing firmware for module"

Linux

When you install/update linux kernel you can see these missing firmware warnings. These drivers are not necessary to run your system, at some point they where excluded from kernel. If these errors...

4 Apr, 2017

Missing 2560x1080 in Linux Nvidia control panel

Linux

I have a LG 25UM57-P monitor that has 2560x1080 21:9 resolution. It worked perfectly on Dell Latitude, but on Dell Precision the option was just gone. I have tried multiple solutions, tried to...

16 Jan, 2017

grive: error while loading shared libraries: libboost_program_options.so.1.62.0: cannot open shared object file: No such file or directory

Linux

Grive is built when you download it in ArchLinux. When boost package has had new versions. You need to rebuild Grive, so an easy re-download is required.

27 Oct, 2016

Ansible add multiple lines to configuration file

Linux

Ansible add multiple lines to configuration file. Add multiple lines in your configuration file. The line will be replaced with the old one. You can set after what will the line be inserted. Use...

6 Oct, 2016

ArchLinux upgrade error: qt5-base and qtchooser are in conflict

Linux

Trying to install latest updates got an error. "qt5-base and qtchooser are in conflict" due to the error it was not possible to upgrade the system. The package moved to the base package, so they came...

4 Jul, 2016

Ansible: Install package using yaourt

Linux

Simplest way to install package using yaourt is to use it in command. This simplistic method works only when it's ok to expect builder to have yaourt already installed. Just run the installation...

16 May, 2016

Bash: Pretty print xml

Linux

Pretty print xml file in bash. The simplest way is to use xmllint, since most of your environments use xml linter and that script is already installed on your system.

17 Mar, 2016

jar: command not found | Arch Linux

Linux

I got an error "jar: command not found" while trying to install basex. To build using jar command you need the java development kit and have its bin folder added to executables path, so the build...

3 Jan, 2016

SOAP request from command line using curl

Linux

This article shows how to send a SOAP request from command line. For an example you can test envelopes using curl command on UNIX systems.

19 Dec, 2015

Wine error: "err:module:import_dll Loading library OpenAL32.dll"

Linux

When you get error "err:module:import_dll Loading library OpenAL32.dll" from wine, that means you don't have openal package installed in linux. Install it with your favourite package manager, 32 bit...

7 Sep, 2015

Compress images losslessly in bulk

Linux

Compress images in a directory losslessly. This runs from command live, but you still need x server, because it requires QT. That means, you are not able to run this on a headless machine(command...

31 Jul, 2015

Paste from clipboard to file in terminal

Linux

How to paste directly from clipboard to file in terminal. Using some text editor will be really slow, if the text is very long single line. Using command line is almost instant.

10 Mar, 2015

err:module:import_dll Library mfc110.dll not found

Linux

Got this error while installing Entropia Universe: "err:module:import_dll Library mfc110.dll (which is needed by L"\\EntropiaUniverse\\bin32\\ClientLoader.exe") not found". You have to install...

27 Feb, 2015

ArchLinux - filesystem: /srv/http exists in filesystem

Linux

I had an error when upgrading "error: failed to commit transaction (conflicting files)", "filesystem: /srv/http exists in filesystem". It came in relation with core/filesystem 2014.10-3 to 2015.02-1...

9 Feb, 2015

ERROR: Pacman lock file was found or endlessly is running message.

Linux

I was able to lock Pacman up so I was not able to do anything that involved it. There were to different errors that appeared "ERROR: Pacman lock file was found. Cannot run while pacman is running."...

5 Jan, 2015

ERROR: One or more PGP signatures could not be verified!

Linux

Solution for this error is to update trust database. package-1.1.0.9128.tar.gz ... ERROR: One or more files did not pass the validity check! FAILED (unknown public key 1234567890). ERROR: One or...

2 Jan, 2015

package-query: error while loading shared libraries: libalpm.so.8

Linux

When your Arch Linux AUR package manager yaourt gives this error: "package-query: error while loading shared libraries: libalpm.so.8: cannot open shared object file: No such file or directory". Or...

4 Dec, 2014

Arch Linux: Move root partition from HDD to SSD

Linux

I got my first SSD, Samsung 850 PRO to be more precise. First thing that got on my mind was that I would not like to do a format. So I decided to go with migrating my root partition. Other partitions...

18 Nov, 2014

vim / vi Syntax Highlighting

Linux

You can easily test or enable syntax highlighting, vim supports a huge list of programming languages. Well worth the minutes it takes to activate, it also works in putty.

29 Oct, 2014

Extract password protected rar file in Linux command line

Linux

Extract password protected rar file. Using Linux terminal, console, command line, shell or wherever you want to call it.

8 Aug, 2014

Arch Linux Gnome

Linux

This tutorials shows you how to install Gnome after installing plain Arch Linux.

1 Aug, 2014

Arch Linux KDE

Linux

This tutorials shows you how to install KDE after installing plain Arch Linux.

22 Jul, 2014

How to Compress PDF the most optimal way with Ghostscript

Linux

Compress or optimize PDF size. Most of the PDF size comes from images. Images that might be 2-3 MB in size, but is viewed only as thumbnail. So this reduces the image for optimal size. So it appears...

22 Jun, 2014

How to get Gnome Menu editor GUI in Arch Linux

Linux

To enable menu editor in gnome you need to get corresponding package. It comes from extra repository so you don't need to use yaourt for the menu editor, but it is recommended to install, you can get...

4 Jun, 2014

Install Arch Linux from USB to multiple partitions

Linux

This step by step guide shows how to install Arch Linux from USB flash drive or cd. In my opinion the beginner tutorial from Arch wiki is too complicated for beginners. This is made simple and very...

5 Mar, 2014

Give permissions recursively to files and directories

Linux

Give permissions recursively to files or directories in Linux terminal. Often I find that people give wrong permissions for files and directories in their web projects. It is unsafe to give all files...

22 Feb, 2014

Install Wine 1.6.2 - Debian Weezy

Linux

Debian Weezy comes with wine 1.4.1, which is really old. If you want wine 1.6.2 you need all kinds of newer packages. We also don't want to compile wine ourselves. So the solution it to add testing...

11 Feb, 2014

Display a line from file using Linux command line

Linux

This snippet shows you how to display a line from a text file by line number.

21 Jan, 2014

Benchmarking in Linux terminal

Linux

This tutorials shows how to benchmark your hardware in Linux. Also how to get your hardware information, etc.

17 Jan, 2014

Count files, directories (folders) in Linux terminal

Linux

This snippet shows you how to count files, folders of both in Linux terminal. This is achieved by find and wc commands. Find finds files and folders recursively and wc counts bytes, characters or...

17 Dec, 2013

Unmount directory which is mounted by sshfs

Linux

How to unmount directory which is mounted by sshfs. Sometimes your connection stop or something else happens and your sshfs mount stops working. You can use umount to unmount the mount.

12 Dec, 2013

Install Sublime Text 2 on Debian 7 (wheezy)

Linux

This tutorial shows you how to install Sublime on Debian. With small tweaking you can use this to install it on any Debian based operating system.

28 Oct, 2013

Wireshark: No Interfaces found on Linux

Linux

If you install it from software center then Wireshark doesn't find any interfaces by default. Wireshark has to have sufficient rights to use a network card to capture data. This will work on any...

22 Oct, 2013

Bad permissions: ignore key: /home/USERNAME/.ssh/id_rsa

Linux

Solution to this problem: Bad permissions: ignore key: /home/USERNAME/.ssh/id_rsa.

11 Apr, 2013

Split file by lines in Linux

Linux

This snippet shows how you can split file by lines in Linux terminal. In this example the file will be splitted by 10 000 lines. If the file is 12500 lines long then you get two files: xaa with 10...

15 Feb, 2013

Copy whole folder with contents in Linux

Linux

How to make copy absolutely all of the files and directories in a directory.

7 Nov, 2012

Install additional drivers in Ubuntu 12.10

Linux

The Additional Drivers tool has been moved to Software Sources in Ubuntu 12.10.

23 Aug, 2012

Search for a Folder via the Terminal

Linux

Search for folder in Linux using Terminal.

15 Apr, 2012

Remove carriage return in Unix

Linux

How to remove all the carriage returns /r from a file in Unix?

15 Apr, 2012

Using wget in quiet mode.

Linux

You can use wget to download different web content. Sometimes in your bash scripts you need to do it in silent mode, so that there won't be printed any download information.

17 Jan, 2012

Installing Aptana 3 on Ubuntu

Linux

Installing Aptana 3 on Ubuntu. Basically you have to extract it and then create necessary shortcuts etc...

13 Jun, 2011

diff into a file

Linux

How to do diff command into a file. Diff command compares differences of files. Later you can use patch command to apply the changes to other files.

28 Apr, 2011

Search for Text in Files Using grep in Linux

Linux

This snippet shows how to search a text form files. We use grep command for it and display directories of files when results form files are found.

18 Oct, 2010

Install Ubuntu or Any Linux From USB

Linux

This tutorial shows how you can put Ubuntu or any Linux distribution on your USB stick, so you could boot it and install it.

7 Aug, 2010

Convert flv to mp3

Linux

Tutorial about converting flv to mp3 format in Linux or Windows, using ffmpeg.

17 Jun, 2010

Processes in terminal

Linux

This tutorial is about handling processes in terminal. We go through stopping, pausing, resuming and stopping/killing.

Browse Tutorials

A code is worth a thousand words

Operating Systems » Linux

You are here

Linux