Reading Time: 5 minutesWorking with RPM Software Packages explains how Red Hat and other sources provide software as RPM packages, and investigates the installed system packages. First and foremost: What is an RPM Software Package? The RPM Package Manager, which Red Hat originally developed, provides a standard way to package software for distribution. Managing software in the form of RPM…
Reading Time: 5 minutesGaining Superuser Access on RHEL shows how to access the system with superuser privileges. We’re using Red Hat Enterprise Linux; however, these examples apply to any Linux distribution. Most operating systems have a superuser (administrator) responsible for administrative and restrictive tasks. In the majority of Linux distributions, the superuser is the “root” account. For tasks…
Reading Time: 7 minutesWorking with Local Users and Groups on RHEL demonstrates how to manage Linux users and groups in a Linux system using the command line. All examples provided here are based on Red Hat Enterprise Linux 10; however, they should also work with any other Linux distribution. Linux Users A user account provides security boundaries between…
Reading Time: 6 minutesWorking with Shell Input and Output on RHEL aims to provide essential knowledge of standard input, standard output, and standard error on a Linux system. We’ll demonstrate how to manipulate each one and how to utilize it with pipelines to achieve a wide range of possible outcomes. All examples are run on Red Hat Enterprise…
Reading Time: 3 minutesEdit Text Files from the Command Line on RHEL aims to provide essential knowledge of how to edit text files on Linux. We’re using Red Hat Enterprise Linux to provide the examples; however, you can use any Linux flavor for that. There are many text editors, so we’ll focus on “vim” in this article. What…
Reading Time: 4 minutesMatching File Names with Shell Expansions on RHEL shows what command-line expansions are and provides some usage examples. We’re using Red Hat Enterprise Linux 10, but all the examples apply to any Linux distribution. What are Command-Line Expansions? When we type a command at the Bash shell prompt, the shell processes that command line through…