Red Hat System Administration I (RH124)

Define and explain the following concepts: open source, Linux, Linux distributions, and Red Hat Enterprise Linux.

Log into a Linux system and run simple commands using the shell.

Resolve problems by using information in local help systems and documentation.

Register a system by using your Red Hat account to get support services and software that Red Hat provides.

Get AI-driven guidance and suggestions to efficiently manage a RHEL server by using Red Hat Enterprise Linux Lightspeed.

Describe the organization of files in the Linux file-system hierarchy and specify files by name, by using relative paths or absolute paths.

Copy, move, create, delete, and organize files from the command line.

Create, view, and edit text files from the command line.

Redirect the output of commands and input to commands, by using Bash.

Obtain superuser access to a system; create, manage, and delete local users and groups; and administer local password policies.

Set standard permissions on files and interpret the security effects of different permission settings.

Download, install, update, and manage software packages from Red Hat and DNF package repositories.

Install, upgrade, and use desktop software from the Red Hat Ecosystem Catalog by using Flatpak.

Access file systems on removable media devices by mounting them on a directory in the file-system hierarchy.

Investigate, control, and terminate processes that run on a Red Hat Enterprise Linux system.

Control and monitor the system services and daemons that systemd starts.

Describe basic TCP/IP networking concepts and investigate the current network configuration and functionality on a server.

Configure network interfaces and settings on Red Hat Enterprise Linux servers.

Protect SSH communication by managing host keys and by implementing key-based authentication for users.

Practice skills learned in Red Hat System Administration I.