The aim of this article is to get you started with basic Nginx web-server installation using the dnf install nginx command and configuration on RHEL 8 / CentOS 8. Nginx web server is an Apache alternative with a capability to be also used as reverse proxy, load balancer, mail proxy and HTTP cache.

In this tutorial you will learn:
  • How to install Nginx on RHEL 8 / CentOS 8.
  • How to start Nginx.
  • How to enable Nginx to start after reboot.
  • How to open HTTP and HTTPS ports.
  • How to run Nginx encrypted with HTTPS.
  • How to create self-signed SSL certificate for Nginx.

This article provides step by step instructions on how to recover/reset lost or forgotten RHEL 8 / CentOS 8 Linux root administrative password. To recover the root password you will first boot to the GRUB menu and perform a break at early stage of the boot process. Afterwards, you will remount the sysroot directory with read & write access and change the root password on RHEL 8 / CentOS 8 by using the passwd command to set the new root password.

In this tutorial you will learn:
  • How to perform a break at an early stage of the boot process.
  • How to remount root partition with read/write access.
  • How to change root password.
  • How to force filesystem relabeling.

The development tools group acts as a transitional package for installation of multiple development, compilation and debugging tools. Most notably these include Automake, Autoconf, Gcc (C/C++) as well as various Perl & Python macros and debuggers.

See below list for a complete list of packages available as part of the development tools group. The entire development tools group can be easily installed on RHEL 8 / CentOS 8 Linux by using the dnf command.

In this tutorial you will learn:
  • How to list the content of the development tools group on RHEL 8 / CentOS 8
  • How to install the development tools group on RHEL 8 / CentOS 8
  • How to remove the development tools group from RHEL 8 / CentOS 8

If you ever need a quick way to convert between video or audio formats in Linux and want something that doesn't munch on resources but does the job well, then you might want to give ffmpeg a try. There are many GUI interfaces for the ffmpeg package but in this article we'll learn how to install it in RHEL 8 / CentOS 8 using the command line and compiling tools.

FFMpeg has many command line options when it comes to converting files and therefore it is advisable to use it from the CLI. From there you can fine-tune its options using attributes and even learn how to create BASH scripts to make automatic conversion scripts.

In this tutorial you will learn:
  • How to compile the ffmpeg source code from scrach

In this tutorial you will learn how to access and copy files from ISO image by mounting the ISO image directly on your CentOS 8 / RHEL 8 Linux system.

In this tutorial you will learn:
  • How to mount ISO image
  • How to unmount ISO image
  • How to check for mounted ISO image
  • How to access the content of the ISO image

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