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Linux - June 19, 2012

RHCSA Certification Study Guide

This page is currently under development. I will be updating each section by supplying a link to examples and how to do each of the following points.

Understand and Use Essential Tools

Operate Running Systems

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
  • Configure a system to run a default configuration NTP server and synchronize time using other NTP peers

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

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