How to install IUS repository on CentOS 5, 6, 7?

This tutorial explains how to install the IUS repository on CentOS 5, 6, 7 systems.

Q: Why should you install the IUS (Inline with Upstream Stable) repository?

A: Installing additional repositories will enable you to install additional services on your system.

1. Use the following command to list the currently installed repositories:

sudo yum repolist

Output:

Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
* base: mirror.steadfast.net
* epel: mirror.cs.pitt.edu
* extras: mirror.us.leaseweb.net
* updates: centos.chi.host-engine.com
repo id repo name status
base/7/x86_64 CentOS-7 – Base 9.363
epel/x86_64 Extra Packages for Enterprise Linux 7 – x86_64 11.376
extras/7/x86_64 CentOS-7 – Extras 311
updates/7/x86_64 CentOS-7 – Updates 1.111
repolist: 22.161

2. Install the IUS repository by using the following command:

sudo curl 'https://setup.ius.io/' -o setup-ius.sh && bash setup-ius.sh

Note: You can check the content of the installation script here – https://setup.ius.io

Again, list the currently installed repositories again and compare by using the following command:

sudo yum repolist

Output:

Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
* base: mirror.steadfast.net
* epel: mirror.cs.pitt.edu
* extras: centos.aol.com
* ius: mirror.team-cymru.org
* updates: centos.chi.host-engine.com
repo id repo name status
base/7/x86_64 CentOS-7 – Base 9.363
epel/x86_64 Extra Packages for Enterprise Linux 7 – x86_64 11.376
extras/7/x86_64 CentOS-7 – Extras 311
ius/x86_64 IUS Community Packages for Enterprise Linux 7 – x86_64 359
updates/7/x86_64 CentOS-7 – Updates 1.111
repolist: 22.520

3. Uninstall the IUS repository by using the following command:

sudo yum remove ius-release