Ubuntu sudo: add-apt-repository: command not found error and solution

I ‘m trying to run a command ‘sudo add-apt-repository ppa:foo/bar‘ but getting the following error: sudo: add-apt-repository: command not found How do I fix this problem on Ubuntu Linux 14.04 LTS server?   To manage…

How to install PHP 7 on Ubuntu Linux 14.04 LTS

P HP 7 provides 2x faster performance and 50% better memory consumption than PHP version 5.6. How do I install PHP 7 on Ubuntu Linux version 14.04 LTS server? How do I install PHP 7…

How to run a command or script after running apt-get command on a Debian or Ubuntu Linux

H ow do I run custom command after ‘apt-get upgrade‘ or ‘apt-get dist-upgrade‘ on a Debian or Ubuntu Linux based system? How do I hook a script to apt-get command on my Ubuntu Linux server?…

How to check Debian/Ubuntu Linux package version using apt-get/aptitude command

I am a new Debian / Ubuntu Linux sysadmin. I would like to find out what version I would install if I ran the apt-get command. How do I find out which versions of a…

How to install mysql server 5.7 on Ubuntu 16.04 LTS ( Xenial Xerus )

M ySQL is a popular database management system used for my web applications. How do I install MySQL server version 5.7 on Ubuntu Linux 16.04 LTS ( Xenial Xerus )?   This tutorial will introduce…

How To Setup OpenVPN Server In 5 Minutes on Ubuntu Server

I am a new Ubuntu Linux server user. How do I setup an OpenVPN Server on Ubuntu Linux version 14.04 or 16.04 LTS server to shield my browsing activity from bad guys on public Wi-Fi,…

How To Setup Bridge (br0) Network on Ubuntu Linux 14.04 and 16.04 LTS

I am a new Ubuntu Linux 16.04 LTS user. How do I setup a network bridge on the host server powered by Ubuntu 14.04 LTS or 16.04 LTS operating system?   A Bridged networking is…

Ubuntu setup a bonding device and enslave two real Ethernet devices

H ow do I setup a bonding device bond0 and enslave two real Ethernet (say eth0 and eth2) devices to it on Ubuntu Linux 140.04 or 16.04 LTS server? How can I create 802.3ad bonding…

How To Setup Bonded (bond0) and Bridged (br0) Networking On Ubuntu LTS Server

I want to setup KVM bridge with bonding on Ubuntu Linux 16.04 LTS server. I have total four Intel I350 Gigabit network connection (NICs). I would like bonding/enslaving eth0 through eth2 into one bonded interface…

How to use multiple connections to speed up apt-get on Ubuntu Linux 16.04 LTS server with apt-fast

H ow do I speed up my apt-get or apt command to download packages from multiple repos on a Ubuntu Linux 16.04 or 14.04 LTS server or Ubuntu 17.04 desktop system? How do I use…