Red Hat Performance Tuning: Linux in Physical, Virtual, and Cloud (RH442)

1 – Accessing the command line

• Log in to a Linux system and run simple commands using the shell.

2 – Managing Files from the command line

• Work with files from the bash shell prompt.

3 – Managing local Linux users and groups

• Manage Linux users and groups and administer local password policies.

4 – Controlling access to files with Linux file system permissions

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

5 – Managing SELinux security

• Use SELinux to manage access to files and interpret and troubleshoot SELinux security effects.

6 – Monitoring and managing Linux processes

• Monitor and control processes running on the system.

7 – Installing and updating software packages

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

8 – Controlling services and daemons

• Control and monitor network services and system daemons using systemd.

9 – Managing Red Hat Enterprise Linux networking

• Configure basic IPv4 networking on Red Hat Enterprise Linux systems.

10 – Analyzing and storing logs

• Locate and interpret relevant system log files for troubleshooting purposes.

11 – Managing storage and file systems

• Create and use disk partitions, logical volumes, file systems, and swap spaces.

12 – Scheduling system tasks

• Schedule recurring system tasks using cron and systemd timer units.

13 – Mounting network file systems

• Mount network file system (NFS) exports and server message block (SMB) shares from network file servers.

14 – Limiting network communication with firewalld

• Configure a basic local firewall.