Different methods to uninstall programs from CentOS 8 ?

This article will guide you on methods to uninstall a #package using #Yum. You need to just type the package name with root privileges. Moreover, we have also seen how to remove a single package, multiple, and group by using the Yum package manager.

apt remove just removes the binaries of a package. 

It leaves residue configuration files. apt purge removes everything related to a package including the configuration files.

To uninstall a program in #Linux Mint terminal:

1. Uninstall software in Linux mint from the main menu.

2. Confirm that you want to #remove the package.

3. Open the Software Manager.

4. Search for a program to remove using the software manager.

5. Remove software in Linux #Mint using the software manager.

6. Open Synaptic package manager.

Process to install and configure Nagios on Linux ?

This article will guide you on how to install and configure the #Nagios #monitoring solution on Linux. We have also explained how to setup remote hosts for monitoring. Now you can easily monitor the health of #Linux #hosts and the services running on them.

Nagios is an open source monitoring system for computer systems. It was designed to run on the Linux operating system and can monitor devices running Linux, Windows and Unix operating systems (OSes).

Nagios provides complete monitoring of applications and application state – including Windows applications, Linux applications, UNIX applications, and Web applications.

To  install Nagios Plugins and NRPE daemon on the Remote Linux Host:

1. Install Required Dependencies.

2. Create Nagios User.

3. Install the Nagios Plugins.

4. Extract Nagios Plugins.

5. Compile and Install Nagios Plugins.

6. Install Xinetd.