Some software packages for RHEL 8 / CentOS 8 come from commercial vendors such as game companies that provide closed-source binary packages or installers that you can run and enjoy in Linux. These installers often come either in .sh form or .bin form. Both are executable installers that you can launch in RHEL 8. If you have downloaded a .bin file and don't know how to run it follow these steps.

In this tutorial you will learn:
  • How to make .bin files executable using the command line
  • How to install .bin files in RHEL 8

The dig DNS lookup utility is an invaluable tool for any system or network administrator. The dig utility 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 the dig command on Redhat 8.
  • What is the dig command basic usage.

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

Most laptops and mobile devices these days have a wireless card. Mobile connectivity is important more than ever. If twenty years ago Linux barely had enough drivers for a handful of on-board ethernet cards, now the wireless drivers embedded in the kernel grows with every kernel release. Further than that, hardware companies release their products together with Linux drivers, be they closed or open-source. In this article we will take a look at how to install wireless drivers in RHEL 8 / CentOS 8.

In this tutorial you will learn:
  • How to install wireless drivers using dnf
  • How to install manually downloaded wireless drivers

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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