IT admins rely on Puppet to manage complex deployments every day. If your network is built on Red Hat systems, you're going to need to install Puppet on RHEL 8 / CentOS 8. Puppet Labs provides a repository and packages, so the whole thing should be relatively hassle free.

• How to Enable the Puppet Repo
• How to Install Puppet for Servers/Puppet Masters
• How to Update Servers/Puppet Masters
• How to Install Puppet for Clients
• How to Update Puppet Clients

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There are plenty of reasons why you'd need to set up virtual network interfaces on a RHEL 8 / CentOS 8 server or workstation. The process has changed a bit since RHEL 7, but it's still fairly straightforward.

• How to Locate Your Network Interfaces
• How to Edit Your Main Network Configuration
• How to Duplicate Your Network Configuration
• How to Create The Virtual Interface Confg

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In this tutorial you will learn:

• R Overview
• Statistical Features of R
• Download, Compilation, Installation of R
• Hello World with R

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All modern linux distributions organize software in packages which contain applications binaries, files, metadata and information about the package dependencies, possible conflicts with other packages etc. The core Rhel package manager is called rpm itself, and it is the tool used also by dnf, the higher level package manager, which is capable to manage dependencies. A relatively recent technology , flatpak, let us install also sandboxed applications together with their runtimes.

• The three main ways to install a package using rpm
• How to install packages using dnf
• How to install applications graphically from the gnome-software utility
• How to install sandboxed applications with flatpak

The rpm package manager manual

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In this tutorial you will learn:

• Perl Overview
• Features of Perl
• Download and Installation of Perl
• Write and Execute Perl Program

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