Red Hat Certified System Administrator (RHCSA)

• Describe and define open source, Linux distributions, and Red Hat Enterprise Linux
• Install Red Hat Enterprise Linux on virtual machines
• Access a shell prompt and issue commands with correct syntax
• Describe and define Linux File Systems & File system Hierarchy Standard
• Copy, move, create, delete, and organize files while working from the bash shell
• Resolve problems by using local help systems
• Locate, read, and use system documentation including man, info, and files in /usr/share/doc

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 super user access
• Manage access permissions on regular and special files as well as directories.
• Use access modes such as suid, sgid and the sticky bit to maintain security.
• Know how to change the file creation mask.
• Use the group field to grant file access to group members
• Administer local password policies
• Access remote systems using SSH
• Log in and switch users in multiuser targets

Understand and use essential tools

• Using find
• Create and edit text files
• Navigate a document using vi
• Use input-output redirection (>, >>, |, 2>, etc.)
• Process text streams using filters
• Use grep, egrep, fgrep and regular expressions to analyze text
• Archive, compress, unpack, and uncompressing files using tar, star, gzip, and bzip2
• Create hard and soft links

Operate running systems

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

Create, monitor and kill processes

• Run jobs in the foreground and background
• Signal a program to continue running after logout
• Monitor active processes
• Select and sort processes for display
• Send signals to processes

Configure local storage

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

Create and configure file systems

• Verify the integrity of filesystems
• Monitor free space and inodes
• Repair simple filesystem problems
• Create, mount, unmount, and use vfat, ext4, and xfs file systems
• Mount and unmount network file systems using NFS
• Extend existing logical volumes
• Create and configure set-GID directories for collaboration
• Configure disk compression
• Manage layered storage
• Diagnose and correct file permission problems

Deploy, configure, and maintain systems

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

Manage basic networking

• Configure IPv4 addresses
• Configure hostname resolution
• Configure network services to start automatically at boot