Objectives

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• 1.a Access a shell prompt and issue commands with correct syntax
• 1.b Use input-output redirection (>, >>, |, 2>, etc.)
• 1.c Use grep and regular expressions to analyze text
• 1.d Access remote systems using SSH
• 1.e Log in and switch users in multiuser targets
• 1.f Archive, compress, unpack, and uncompress files using tar, star, gzip, and bzip2
• 1.g Create and edit text files
• 1.h Create, delete, copy, and move files and directories
• 1.i Create hard and soft links
• 1.j List, set, and change standard ugo/rwx permissions
• 1.k Locate, read, and use system documentation including man, info, and files in /usr/share/doc

• 2.a Conditionally execute code (use of: if, test, [], etc.)
• 2.b Use Looping constructs (for, etc.) to process file, command line input
• 2.c Process script inputs ($1, $2, etc.)
• 2.d Processing output of shell commands within a script
• 2.e.RHEL8 Processing shell command exit codes

• 3.a Boot, reboot, and shut down a system normally
• 3.b Boot systems into different targets manually
• 3.c Interrupt the boot process in order to gain access to a system
• 3.d Identify CPU/memory intensive processes, adjust process priority with renice, and kill processes
• 3.e Adjust process scheduling
• 3.f Manage tuning profiles
• 3.g Locate and interpret system log files and journals
• 3.h Preserve system journals
• 3.i Start, stop, and check the status of network services
• 3.j Securely transfer files between systems

• 4.a List, create, delete partitions on MBR and GPT disks
• 4.b Create and remove physical volumes
• 4.c Assign physical volumes to volume groups
• 4.d Create and delete logical volumes
• 4.e Configure systems to mount file systems at boot by Universally Unique ID (UUID) or label
• 4.f Add new partitions and logical volumes, and swap to a system non-destructively

• 5.a Create, mount, unmount, and use vfat, ext4, and xfs file systems
• 5.b Mount and unmount network file systems using NFS
• 5.c.RHEL9 Configure Autofs
• 5.d Extend existing logical volumes
• 5.e Create and configure set-GID directories for collaboration
• 5.e.RHEL8 Configure disk compression
• 5.f.RHEL8 Manage layered storage
• 5.g Diagnose and correct file permission problems

• 6.a Schedule tasks using at and cron
• 6.b Start and stop services and configure services to start automatically at boot
• 6.c Configure systems to boot into a specific target automatically
• 6.d Configure time service clients
• 6.e Install and update software packages from Red Hat Network, a remote repository, or from the local file system
• 6.f.RHEL8 Work with package module streams
• 6.g Modify the system bootloader

• 7.a Configure IPv4 and IPv6 addresses
• 7.b Configure hostname resolution
• 7.c Configure network services to start automatically at boot
• 7.d Restrict network access using firewall-cmd/firewall

• 8.a Create, delete, and modify local user accounts
• 8.b Change passwords and adjust password aging for local user accounts
• 8.c Create, delete, and modify local groups and group memberships
• 8.d Configure superuser access

• 9.a Configure firewall settings using firewall-config, firewall-cmd, or iptables
• 9.b.RHEL8 Create and use file access control lists
• 9.b.RHEL9 Manage default file permissions
• 9.c Configure key-based authentication for SSH
• 9.d Set enforcing and permissive modes for SELinux
• 9.e List and identify SELinux file and process context
• 9.ex.RHEL9 Manage SELinux Ports
• 9.f Restore default file contexts
• 9.g Use boolean settings to modify system SELinux settings
• 9.h Diagnose and address routine SELinux policy violations

• 10.a Find and retrieve container images from a remote registry
• 10.b Inspect container images
• 10.c Perform container management using commands such as podman and skopeo
• 10.cx.RHEL9 Build a container from a Containerfile
• 10.d Perform basic container management such as running, starting, stopping, and listing running containers
• 10.e Run a service inside a container
• 10.f Configure a container to start automatically as a systemd service
• 10.g Attach persistent storage to a container

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