RedHat Certified System Administrator – RHCSA

An IT professional who has earned the RedHat Certified System Administrator (RHCSA®) is able to perform the core system administration skills required in Red Hat Enterprise Linux environments. The credential is earned after successfully passing the Red Hat Certified System Administrator (RHCSA) Exam (EX200).

Prove your skills and knowledge

A Red Hat Certified System Administrator (RHCSA) is able to perform the following tasks:

  • Understand and use essential tools for handling files, directories, command-line environments, and documentation
  • Operate running systems, including booting into different run levels, identifying processes, starting and stopping virtual machines, and controlling services
  • Configure local storage using partitions and logical volumes
  • Create and configure file systems and file system attributes, such as permissions, encryption, access control lists, and network file systems
  • Deploy, configure, and maintain systems, including software installation, update, and core services
  • Manage users and groups, including use of a centralized directory for authentication
  • Manage security, including basic firewall and SELinux configuration

Is this certification right for you?

The RedHat Certified System Administratorcertification is designed for:

  • Experienced Red Hat Enterprise Linux system administrators seeking validation of their skills
  • Students who have attended Red Hat System Administration I and II and are on the path to earn RHCSA certification
  • Experienced Linux system administrators who require a certification either by their organization or based on a mandate (DOD 8570 directive)
  • IT professionals who are on the path to earn a Red Hat Certified Engineer (RHCE®) certification
  • RHCEs who are non-current or who are about to become non-current and wish to re-certify as RHCEs

The best way to learn is to do

In preparation to earn the RedHat Certified System Administrator (RHCSA)

Red Hat recommends the following:

For Windows system administrators

  • Red Hat System Administration I (RH124)
  • Red Hat System Administration II (RH134)

For Linux or UNIX administrators

  • RHCSA Rapid Track Course (RH199)

Course content summary

  • Managing users and groups, files, and file permissions
  • Updating software packages with yum
  • Managing and troubleshooting SystemD during the boot
  • Network configuration and basic troubleshooting
  • Managing local storage and creating and using file systems
  • Firewall management with firewalld
  • Managing kernel-based virtual machines (KVMs)
  • Automating installation of Red Hat Enterprise Linux using Kickstart

In preparation for RHCSA Exam

RHCSA exam candidates should be able to accomplish the tasks below without assistance. These have been grouped into several categories.

Understand and use essential tools

  • Access a shell prompt and issue commands with correct syntax
  • Use input-output redirection (>, >>, |, 2>, etc.)
  • Use grep and regular expressions to analyze text
  • Access remote systems using SSH
  • Log in and switch users in multiuser targets
  • Archive, compress, unpack, and uncompress files using tar, star, gzip, and bzip2
  • Create and edit text files
  • Create, delete, copy, and move files and directories
  • Create hard and soft links
  • List, set, and change standard ugo/rwx permissions
  • Locate, read, and use system documentation including man, info, and files in /usr/share/doc

Operate running systems

  • Boot, reboot, and shut down a system normally
  • Boot systems into different targets manually
  • Interrupt the boot process in order to gain access to a system
  • Identify CPU/memory intensive processes and kill processes
  • Adjust process scheduling
  • Locate and interpret system log files and journals
  • Preserve system journals
  • Start, stop, and check the status of network services
  • Securely transfer files between systems

Configure local storage

  • List, create, delete partitions on MBR and GPT disks
  • Create and remove physical volumes
  • Assign physical volumes to volume groups
  • Create and delete logical volumes
  • Configure systems to mount file systems at boot by universally unique ID (UUID) or label
  • Add new partitions and logical volumes, and swap to a system non-destructively

Create and configure file systems

  • Create, mount, unmount, and use vfat, ext4, and xfs file systems
  • Mount and unmount network file systems using NFS
  • Extend existing logical volumes
  • Create and configure set-GID directories for collaboration
  • Configure disk compression
  • Manage layered storage
  • Diagnose and correct file permission problems

Deploy, configure, and maintain systems

  • Schedule tasks using at and cron
  • Start and stop services and configure services to start automatically at boot
  • Configure systems to boot into a specific target automatically
  • Configure time service clients
  • Install and update software packages from Red Hat Network, a remote repository, or from the local file system
  • Work with package module streams
  • Modify the system bootloader

Manage basic networking

  • Configure IPv4 and IPv6 addresses
  • Configure hostname resolution
  • Configure network services to start automatically at boot
  • Restrict network access using firewall-cmd/firewall

Manage users and groups

Manage security

  • Configure firewall settings using firewall-cmd/firewalld
  • Configure key-based authentication for SSH
  • Set enforcing and permissive modes for SELinux
  • List and identify SELinux file and process context
  • Restore default file contexts
  • Use boolean settings to modify system SELinux settings
  • Diagnose and address routine SELinux policy violations

As with all Red Hat performance-based exams, configurations must persist after reboot without intervention.

Red Hat reserves the right to add, modify, and remove objectives. Such changes will be made public in advance through revisions to this document.

https://www.redhat.com/en/services/training/ex200-red-hat-certified-system-administrator-rhcsa-exam

Leave a Reply