bond0_status

How to configure network interface bonding on RHEL 8 / CentOS 8 Linux

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

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Telnet command on Red Hat Enterprise Linux 8.

How to install telnet command in RHEL 8 / CentOS 8

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.

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Nmap command on RHEL 8 Linux Server/Workstation

Install nmap on RHEL 8 / CentOS 8

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.

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File conversion with alien doesn't take long

How to install deb file in RHEL 8 / CentOS 8 Linux

There may come a time when that package you want to install in RHEL 8 / CentOS 8 is simply not available as a RPM file. The alternative is to download the source and compile it yourself, or – alternatively – generate a RPM file from that source code later on.

But there is another way. Given the fact that Debian-based distributions have way more users than RPM-based ones, the number of available packages in their repositories is greater. Chances are you will be able to find a DEB file for that package you want. Here is how to install that DEB file in RedHat Linux with the help of a small utility called alien.

In this tutorial you will learn:

  • How to install alien in RHEL 8 / CentOS 8
  • How to convert a DEB package to a RPM one

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Connection to remote Redis server installed on RHEL 8 / CentOS 8

How to install Redis server on RHEL 8 / CentOS 8 Linux

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

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MariaDB on Red Hat Enterprise Linux 8 database creation example

How to install Mariadb/MySQL server on RHEL 8 / CentOS 8 Linux

The default relational SQL database on RHEL 8 / CentOS 8 Linux has been chnaged from MySQL to MariaDB. MariaDB is a community-developed fork of the MySQL relational database and in-place substitute for MySQL.

In this tutorial you will learn:

  • How to install MariaDB/MySQL server
  • How to start and enable MariaDB to start automatically after reboot
  • How to secure MariaDB database and set root password
  • How to create database for a remote access
  • How to open MySQL/MariaDB firewall ports for incoming traffic
  • How to login to MySQL/MariaDB from a remote host

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GCC the C compiler on RHEL 8 and Hello world C program example.

How to install GCC the C compiler on RHEL 8 / CentOS 8

The objective of this guide is to install GCC the C compiler on RHEL 8 / CentOS 8 and perform compilation of a basic C “Hello World” program. The GCC compiler can be installed in RHEL 8 by simply using the dnf install command.

In this tutorial you will learn:

  • How to install GCC compiler on RHEL 8 / CentOS 8.
  • How to install Development Tools installation group.
  • How to write C program.
  • How to compile and execute C program.

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Installing NPM on Redhat 8.

How to install npm 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.

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Hello World example with Ruby.

How to install ruby on RHEL 8 / CentOS 8

Ruby is a very flexible scripting language, it’s popularity well-earned by it’s power. In this tutorial we will install Ruby on a RHEL 8 / CentOS 8, and write the famous “Hello World” program to test that our installation is working as intended. Note however, that with all languages, Ruby’s capabilities are far more than simple text printing on the command line.

In this tutorial you will learn:

  • How to install Ruby with dnf
  • How to get Ruby version information
  • How to write and run the “Hello World” example program in Ruby

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