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Revision as of 17:21, 7 February 2011 by Jbwillia (talk | contribs)

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

Links for this sub-section:

   * RHCSA Overview
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   * Exam Objectives
   * Enroll Now

Related Links

   * Certification FAQ
   * Past RHCT exam objectives
   * Re-certification Policies
   * Verify a Certification
   * Certification Success Packs
   * RHCE Success Stories
   * Contact Us

System Configuration and Management

  • Route IP traffic and create static routes

  • Use iptables to implement packet filtering and configure network address translation (NAT)

  • Use /proc/sys and sysctl to modify and set kernel run-time parameters

  • Configure system to authenticate using Kerberos

  • Build a simple RPM that packages a single file

  • Configure a system as an iSCSI initiator that persistently mounts an iSCSI target

  • Produce and deliver reports on system utilization (processor, memory, disk, and network)

  • Use shell scripting to automate system maintenance tasks

  • Configure a system to log to a remote system

  • Configure a system to accept logging from a remote system

Network Services

  • Install the packages needed to provide the service

  • Configure SELinux to support the service

  • Configure the service to start when the system is booted

  • Configure the service for basic operation

  • Configure host-based and user-based security for the service


  • Configure a virtual host

  • Configure private directories

  • Deploy a basic CGI application

  • Configure group-managed content


  • Configure a caching-only name server

  • Configure a caching-only name server to forward DNS queries


  • Configure anonymous-only download


  • Provide network shares to specific clients

  • Provide network shares suitable for group collaboration


  • Provide network shares to specific clients

  • Provide network shares suitable for group collaboration


  • Configure a mail transfer agent (MTA) to accept inbound email from other systems

  • Configure an MTA to forward (relay) email through a smart host


  • Configure key-based authentication


  • Synchronize time using other NTP peers