Red Hat Certified System Administrator
Understand and Use Essential Tools
Access a shell prompt & issue commands | Use input-output redirection | Grep and regular expressions | SSH & VNC | Log in and switch users | tar, star, gzip & bzip2 | Create & edit text files | Create, delete, copy and move files and directories | Create hard and soft links | 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 | Run levels | Single-user mode to gain access to a system | Identify CPU/memory intensive processes, adjust process priority with renice & 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 | 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.
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.