OCS-linux-199: RHCSA™ Review

This one-day, online review class is designed to review the key topics that are testable on the RHCSA™ exam. Each RHCSA™ exam objective will be reviewed on a point-by-point basis.

The course topics that will be reviewed match the objectives of the RHCSA™ exam as listed on their web site:

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 and VNC
  • Log in and switch users in multi-user runlevels
  • 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 runlevels manually
  • Use single-user mode to gain access to a system
  • Identify CPU/memory intensive processes, adjust process priority with renice, and kill processes
  • Locate and interpret system log files
  • Access a virtual machine's console
  • Start and stop virtual machines
  • Start, stop and check the status of network services

Configure Local Storage

  • List, create, delete and set partition type for primary, extended, and logical partitions
  • Create and remove physical volumes, assign physical volumes to volume groups, create and delete logical volumes
  • Create and configure LUKS-encrypted partitions and logical volumes to prompt for password and mount a decrypted file system at boot
  • Configure systems to mount file systems at boot by Universally Unique ID (UUID) or label
  • Add new partitions, logical volumes and swap to a system non-destructively

Create and Configure File Systems

  • Create, mount, unmount and use ext2, ext3 and ext4 file systems
  • Mount, unmount and use LUKS-encrypted file systems
  • Mount and unmount CIFS and NFS network file systems
  • Configure systems to mount ext4, LUKS-encrypted and network file systems automatically
  • Extend existing unencrypted ext4-formatted logical volumes
  • Create and configure set-GID directories for collaboration
  • Create and manage Access Control Lists (ACLs)
  • Diagnose and correct file permission problems

Deploy, Configure and Maintain Systems

  • Configure networking and hostname resolution statically or dynamically
  • Schedule tasks using cron
  • Configure systems to boot into a specific runlevel automatically
  • Install Red Hat Enterprise Linux automatically using Kickstart
  • Configure a physical machine to host virtual guests
  • Install Red Hat Enterprise Linux systems as virtual guests
  • Configure systems to launch virtual machines at boot
  • Configure network services to start automatically at boot
  • Configure a system to run a default configuration HTTP server
  • Configure a system to run a default configuration FTP server
  • Install and update software packages from Red Hat Network, a remote repository, or from the local filesystem
  • Update the kernel package appropriately to ensure a bootable system
  • Modify the system bootloader

Manage Users and Groups

  • Create, delete, and modify local user accounts
  • Change passwords and adjust password aging for local user accounts
  • Create, delete and modify local groups and group memberships
  • Configure a system to use an existing LDAP directory service for user and group information

Manage Security

  • Configure firewall settings using system-config-firewall or iptables
  • 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
1 Day
Prior to attending this class, students should have the following experience:
  • Completion of "OCS-linux-075: Linux Essentials" or equivalent experience
  • Completion of "OCS-linux-175: Linux System Administration I" or equivalent experience