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Understand and use essential tools 

  • Access a shell prompt and issue commands with correct syntax [1]
  • Use input-output redirection (>, >>, |, 2>, etc.) [1]
  • Use grep and regular expressions to analyze text [1]
  • Access remote systems using SSH [1]
  • Log in and switch users in multiuser targets [1]
  • Archive, compress, unpack, and uncompress files using tar, star, gzip, and bzip2 [1]
  • Create and edit text files [1]
  • Create, delete, copy, and move files and directories [1]
  • Create hard and soft links [1]
  • List, set, and change standard ugo/rwx permissions [1]
  • Locate, read, and use system documentation including man, info, and files in /usr/share/doc [1]

 

Operate running systems 

  • Boot, reboot, and shut down a system normally[1][2]
  • Boot systems into different targets manually [1]
  • Interrupt the boot process in order to gain access to a system [1]
  • Identify CPU/memory intensive processes and kill processes [1]
  • Adjust process scheduling
  • Manage tuning profiles
  • Locate and interpret system log files and journals[1][2]
  • Preserve system journals
  • Start, stop, and check the status of network services [1]
  • Securely transfer files between systems [1]

 

Configure local storage 

  • List, create, delete partitions on MBR and GPT disks [1]
  • Create and remove physical volumes [1]
  • Assign physical volumes to volume groups [1]
  • Create and delete logical volumes [1]
  • Configure systems to mount file systems at boot by universally unique ID (UUID) or label [1]
  • Add new partitions and logical volumes, and swap to a system non-destructively [1]

 

Create and configure file systems 

  • Create, mount, unmount, and use vfat, ext4, and xfs file systems [1]
  • Mount and unmount network file systems using NFS [1]
  • Extend existing logical volumes [1]
  • Create and configure set-GID directories for collaboration [1]
  • Configure disk compression
  • Manage layered storage
  • Diagnose and correct file permission problems[1][2]

 

Deploy, configure, and maintain systems

  • Schedule tasks using at and cron[1][2][3]
  • Start and stop services and configure services to start automatically at boot[1][2][3]
  • Configure systems to boot into a specific target automatically [1]
  • Configure time service clients [1]
  • Install and update software packages from Red Hat Network, a remote repository, or from the local file system[1][2]
  • Work with package module streams
  • Modify the system bootloader[1][2]

 

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

  • Create, delete, and modify local user accounts [1]
  • Change passwords and adjust password aging for local user accounts [1]
  • Create, delete, and modify local groups and group memberships [1]
  • Configure superuser access

 

Manage security

  • Configure firewall settings using firewall-cmd/firewalld[1]
  • Create and use file access control lists [1]
  • Configure key-based authentication for SSH [1]
  • Set enforcing and permissive modes for SELinux [1]
  • List and identify SELinux file and process context [1]
  • Restore default file contexts [1]
  • Use boolean settings to modify system SELinux settings [1]
  • Diagnose and address routine SELinux policy violations [1]

 

 

References

  1. https://www.redhat.com/en/services/training/ex200-red-hat-certified-system-administrator-rhcsa-exam?section=Objectives