Telnet command is a valuable tool for any network or system administrator. It allows for troubleshooting and manipulation of various services.

The telnet package is not installed by default on RHEL 8 / CentOS 8 server but can be easily installed by using the dnf command.

In this tutorial you will learn:
  • How to install Telnet on RHEL 8 / CentOS 8.
  • How to use telnet command to connect to a specific port.

Network interface bonding consists in the aggregation of two or more physical network interfaces, called slaves, under one logical interface called master or bond interface. Depending on the bonding mode, such setup can be useful to achieve fault tolerance and/or load balancing. In this tutorial we will learn what the available bonding modes are and how to create a network bonding on RHEL 8 / CentOS 8.

In this tutorial you will learn:
  • What is network interface bonding
  • How to configure network interface bonding on RHEL 8 / CentOS 8
  • What are the different bonding modes
bond0_status
The Bond status as seen by the Linux kernel

In this tutorial we will discuss an installation of Redis server and client on RHEL 8 / CentOS 8. This tutorial also includes optional steps on how to allow remote connections to Redis sever running on RHEL 8.

In this tutorial you will learn:
  • How to install Redis server
  • How to install Redis client
  • How to enable Redis server to start after system boot
  • How to allow remote connections to Redis server
  • How to open firewall ports to allow incoming connections to Redis server
  • How to check Redis versionr

This article covers an installation of WordPress, free and open-source content management system, on RHEL 8 Linux Server. In this instance the installation is based on the well-know LAMP stack comprising the RHEL 8, MariaDB, PHP and Apache webserver.

In this tutorial you will learn:
  • How to Install LAMP Stack on RHEL 8 / CentOS 8.
  • How to configure MariaDB database.
  • How to install Wordpress on RHEL 8 / CentOS 8.
  • How to open HTTP and HTTPS firewall ports.

The mod_ssl module provides SSL v3 and TLS v1.x support for the Apache HTTP Server. This article provides you with a basic step by step mod_ssl configuration on RHEL 8 / CentOS 8 Linux server with httpd Apache webserver.

In this tutorial you will learn:
  • How to install mod_ssl
  • How to enable mod_ssl
  • How to create a self-signed certificate
  • How to include existing SSL certificate into httpd configuration
  • How to redirect all non-ssl HTTP traffic to HTTPS

The nmap command is an invaluable tool for any system or network administrator. This command is not available on RHEL 8 / CentOS 8 default installation. However, it can be installed with a single dnf command.

In this tutorial you will learn:
  • How to install Nmap command on RHEL 8 / CentOS 8.
  • How to to check Nmap version on RHEL 8 / CentOS 8.

The Python 2 interpreter is not available on RHEL 8 / CentOS 8 default installation. However, it can be installed with a single dnf command.

In this tutorial you will learn:
  • How to install Python 2 on RHEL 8 / CentOS 8.
  • How to to check Python version on RHEL 8 / CentOS 8.

The netcat or a.k.a. ncat command is an invaluable tool for any system or network administrator. This command is not available on RHEL 8 / CentOS 8 default installation. However, it can be installed with a single dnf command.

In this tutorial you will learn:
  • How to install ncat command on RHEL 8 / CentOS 8.
  • How to to check ncat version on RHEL 8 / CentOS 8.

Chrony is a default NTP client as well as an NTP server on RHEL 8 / CentOS 8. This article will provide you with an information on how to perform an installation and basic configuration of an NTP server or client on RHEL 8.

In this tutorial you will learn:
  • How to install NTP server on RHEL 8 / CentOS 8.
  • How to install NTP client on RHEL 8 / CentOS 8.
  • How to open firewall to incoming NTP requests.
  • How to configure Chrony as NTP server.
  • How to configure Chrony as NTP client.

The wget network downloader utility is an invaluable tool for any system or network administrator. The wget utility can be installed with a single dnf command in case it is currently unavailable on your RHEL 8 / CentOS Linux system.

In this tutorial you will learn:
  • How to install the wget command on Redhat 8.
  • What is the wget command basic usage.

Putty is GUI SSH, Telnet and Rlogin alternative client for graphical user interface. PuTTY is not a part of the standard RHEL 8 / CentOS 8 repository however can be installed from the EPEL repository directly as an RPM package using the dnf command.

In this tutorial you will learn:
  • How to install PuTTY on RHEL 8 / CentOS 8 using the dnf command.
  • How to launch PuTTY.

The command line vim text editor utility is an invaluable tool for any system administrator. The vim editor can be installed with a single dnf command in case it is currently unavailable on your RHEL 8 / CentOS 8 Linux system.

In this tutorial you will learn:
  • How to install vim text editor on RHEL 8 / CentOS 8.
  • How to set vim as the system wide default text editor.
  • How to set vim as the user default text editor.

In this guide we will manually install graphical User Interface (GUI) on RHEL 8 / CentOS 8 Linux. Please note that KDE GUI has been officially dropped as of RHEL 8 / CentOS 8.

In this tutorial you will learn:
  • How to install GUI on RHEL 8 / CentOS 8
  • How to start GUI on RHEL 8 / CentOS 8

NPM is a javascript package manager for the Node JavaScript platform. The objective of this article is to install NPM on RHEL 8 / CentOS 8. To install NPM on RHEL 8 / CentOS 8 we will use the dnf install command.

In this tutorial you will learn:
  • How to install NPM on Rhel 8.
  • How to search for modules using NPM.
  • How to install modules using NPM.
  • How to install modules form a Git repository.

The latest release of the RHEL 8 / CentOS 8. Red Hat has built its own tools, buildah and podman, which aim to be compatible with existing docker images and work without relying on a daemon, allowing the creation of containers as normal users, without the need of special permissions (with some limitations: e.g. at the moment of writing, it's still not possible to map host ports to the container without privileges).

Some specific tools, however, are still missing: an equivalent of docker-compose, for example does not exists yet. In this tutorial we will see how to install and run the original Docker CE on Rhel8 by using the official Docker repository for CentOS7.

In this tutorial you will learn:
  • How to enable the docker-ce repository on RHEL 8 / CentOS 8
  • How to install docker and docker-compose on RHEL 8 / CentOS 8
docker-RHEL 8 / CentOS 8
Docker installed on RHEL 8 / CentOS 8

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