Red Hat Certified System Administrator: The Environment

start the course
use Gnome to run applications, manage virtual workspaces, and use window control buttons
configure Gnome menus, panels, and desktop icons, themes, and colors for a better user experience
access online help with a web browser or built-in help through Gnome
explore the file system using the Gnome file manager
copy, move, delete, and rename files and directories using the Gnome file manager
create and edit text files from the desktop environment using the Gnome editor
login, logoff, lock, and unlock a Gnome session as well as power up and down a system
use the two default Gnome mail clients and configure basic settings to send and receive e-mail
work with the network-manager to check the network configuration and explore networks from the File Manager
describe the roles and differences between Xwindows and the Gnome desktop environment
configure system and security settings from the Gnome interface
switch users on a multiuser system and run multiple desktops for different users
describe a shell, the purpose for shells, and list some of the shells available
open, close, set fonts, set colors, resize, and run a command from the Bourne Again Shell (BASH)
using autocomplete, and using history with the hist command and arrow keys
list, copy, move, and delete files
list, create, move, change, and delete directories; and use shortcuts to move around the file system
execute GUI applications from the command line, run them in the background, and see diagnostic or debug information in the shell
use man and info to get help, and identify or locate help in /usr/share/doc
use common commands like less, cat, more, and diff to view and compare file contents
describe how relative and absolute paths are used and how shortcuts like ../ and ~/ make directory traversal easier
create aliases for commands and make links to files or directories
manipulate the BASH prompt and describe how the env and export features can be used
use the shell tools echo, cat, and who to create and edit text files
explore the Gnome User Interface and run commands from the BASH Shell

Red Hat Certified System Administrator: The Command Line

start the course
use input and output redirection to stdin and stdout to manage output from shell commands
use pipes to chain one command to another to alter the output
use globbing to select files based on matching filename patterns
switch users and shells within a Terminal window; in particular to become the root user to perform administrative tasks
switch to and back from TTY consoles in order to execute shell commands
use the find command to locate files based on their name or other properties
perform actions on files that are returned from a find command
identify the path and filename for a command or locate files that have been indexed
work with vim to open, do basic edits, and save a text file
use features of vim to search text, replace text, and add, remove, or delete lines
perform basic file operations and editing using the emacs text editor
use a shell text editor to create or edit a text file
work with sed to alter the contents of a text file
identify a BASH script file and the header specifying the interpreter used for the script
create a simple BASH script that can chain multiple commands together to perform an action
execute, pause, and run a script in the background and then bring it to the foreground
view the shell environment variables and be able to set a shell variable within a script
recognize an archived file and the tools necessary to retrieve the contents
use the gzip and gunzip commands to compress or decompress a file
use bzip2 to compress or decompress a file
use the tar command to create, extract, compress, or list the contents of an archive
use the star command to create, extract, compress, or list the contents of an archive that supports extended ACLs
use gzip and bzip2 with tar directory to compress and decompress in a stream
use additional, but not as often used in Linux, compression and decompression tools
use scripts to automate the management and archiving of files and directories

Red Hat Certified System Administrator: The Command Line

start the course
use input and output redirection to stdin and stdout to manage output from shell commands
use pipes to chain one command to another to alter the output
use globbing to select files based on matching filename patterns
switch users and shells within a Terminal window; in particular to become the root user to perform administrative tasks
switch to and back from TTY consoles in order to execute shell commands
use the find command to locate files based on their name or other properties
perform actions on files that are returned from a find command
identify the path and filename for a command or locate files that have been indexed
work with vim to open, do basic edits, and save a text file
use features of vim to search text, replace text, and add, remove, or delete lines
perform basic file operations and editing using the emacs text editor
use a shell text editor to create or edit a text file
work with sed to alter the contents of a text file
identify a BASH script file and the header specifying the interpreter used for the script
create a simple BASH script that can chain multiple commands together to perform an action
execute, pause, and run a script in the background and then bring it to the foreground
view the shell environment variables and be able to set a shell variable within a script
recognize an archived file and the tools necessary to retrieve the contents
use the gzip and gunzip commands to compress or decompress a file
use bzip2 to compress or decompress a file
use the tar command to create, extract, compress, or list the contents of an archive
use the star command to create, extract, compress, or list the contents of an archive that supports extended ACLs
use gzip and bzip2 with tar directory to compress and decompress in a stream
use additional, but not as often used in Linux, compression and decompression tools
use scripts to automate the management and archiving of files and directories

Red Hat Certified System Administrator: Scripting and Scheduling

start the course
identify and understand the basic syntax of a regular expression
use grep to find patterns in a file based on simple patterns or regular expressions
use advanced grep features like recursively finding matching files and ignoring case sensitivity
use grep with I/O redirection and pipes to create lists
use grep to locate content within a text file
get and set discretionary and mandatory Access Control Lists
add, edit, and view quotas
create a directory that can be shared by multiple users in a common group
use read to get input from the user in a BASH script
use the if statement and the basic looping construct for
use the while and until looping constructs
use bash test operators to check for conditions
describe the order of expansion when used a script
set an exit status and use it from the Shell
describe the different job schedulers and how they differ
describe the configuration of a crontab file and the different sections for a cron job
create a cron job
edit and pause cron jobs as well as set jobs for users and root
identify the at parameters and commands used for managing jobs
schedule a job using at
alter, delete, and view at jobs
describe a systemD timer unit and the options
schedule a systemD timer task
convert a cron job to a systemD timer task
create a script that will use grep to find files with certain contain and schedule this job to run each day at 2:05 am

Red Hat Certified System Administrator: Processes, Networking, and Logging

start the course
list and identify running processes
recognize common running processes
monitor processes and their resource utilization
start and stop processes
set or change the priority for a process
troubleshoot or identify problem processes
start and stop a network service
configure a service to start or not start at boot
use SystemD to start services
work with SystemD to manage running services
use SystemD to manage the system
describe basic networking terminology and interfaces on Linux
identify network devices and their configuration
use the Gnome network manager to configure a network device
change the hostname, DNS, and other network settings for the host; including deactivating and activing a network device
configure a network device entirely from the shell
configure the system to use a network time source
configure Linux systems with common network scenarios
list the location of log files and the purpose of the common logs
view and analyze log files and interpret basic values from other journal sources
review SystemD journal logs
configure SystemD journals to forward system messages to traditional system logging tools
store and archive logs
configure what is logged to system logs
modify the system log settings and retention policies
use renice to change a processes priority, change a network adaptors IP Address and check the logs for any unauthorized access attempts

Red Hat Certified System Administrator: Advanced Networking

start the course
work with network services through SystemD Services
configure a basic bind service
configure a basic dhcpd service
configure a basic ntpd service
configure a system to use Precision Time Protocol
configure the logging server to store logs sent from external servers
configure a basic smbd service
use Samba to share a directory with Windows clients
configure a basic sshd service
configure a basic web service
configure a basic telnet service
configure a basic ftp service
configure a basic squid proxy service
configure a basic mail server
use the Security Level Configuration Tool to manage a basic firewall
describe the sections of the firewall and the basics of how the firewall rules are configured
add and delete rules to an iptable configured firewall
save and restore iptable rulesets
configure the system to use a set of firewall rules on boot from the shell
add a rule to allow a network service port through the firewall
use the advanced features of the firewall manager
add a limit to the firewall for certain types of traffic
start a network service add a rule to the firewall to allow external access to the service

Red Hat Certified System Administrator: Remote Connections and Access

start the course
describe the various remote access technologies that are available on Linux
use telnet to connect to remote hosts
use VNC to connect, or be the host of, a remote connection
use ssh to connect to a remote host
use scp to transfer a file to and from a host
work with ssh tunneling to secure vnc or xdmcp
use ssh keys to authenticate rather than user name and password
describe the components of the Network File System
install, setup and configure NFS
recognize the differences in the configuration for running NFS securely
mount an external shared NFS partition to the local system
add and configure a local NFS share
configure an exported share to work on reboot
enable and support pNFS on the server
mount and unmount remote SMB, or Samba, shares
use autofs to mount shares automatically
identify the files and setting that must be changed to support an external directory service
configure a system to use an LDAP based directory service
login to the server using a user account from the LDAP directory service
configure and use permissions and settings for the LDAP user on the server
configure a system to use MS Active Directory
login to the server using a MS Active Directory user account
configure MS AD permissions for the user on the server
use a Directory Service configured client to mount a remote NFS share that you configure on a remote host

Red Hat Certified System Administrator: File Systems and Device Management

start the course
describe the various supported file systems
identify the file systems of mounted and external drives
mount and unmount various file systems
configure the system to mount a file system at boot
use an encrypted file system
mount an encrypted file system at boot and using a fully encrypted file system
control the automatic mounting of file systems when devices are plugged in and safely unmount file systems
add new partitions or additional swap space non-destructively
create a file system on a physical disk
use tools to create, delete, list and manage MBR based partitions
resize a MBR based partition
change the label of a partition
mount and unmount iSCSI Network Area Storage
use tools to create, delete, and list GPT based partitions
using and compressing swap partitions or files
identify and describe LVM configuration for Volumes
use basic LVM commands to create and remove volumes
manage free space in a storage pool and allocate space as required
assign logical and physical volumes to a volume group
use LVM tiered storage to use faster SSDs with HDDs to create fast "hybrid" storage
create a snapshot of a volume
backup and restore volumes
use shell commands to manage LVM storage
create and configure a basic RAID 0, 1, and 5 volume
resize a RAID volume
create an XFS LVM Filesystem and then mount the partition so it will be available even after rebooting

Red Hat Certified System Administrator: Boot Process and Installation

start the course
describe the basic boot process and system components involved
configure the boot loader
alter the runlevel of the system
identify, configure, and boot from GPT or MBR
change the boot target with systems using SystemD
alter the boot process to gain access to fix problems or diagnose issues
create boot targets, boot states, and control parallel daemon instantiation with SystemD
describe Red Hat Enterprise Linux (RHEL) 7 hardware requirements
describe and be able to select the appropriate installation method
perform the initial install of RHEL 7 onto a physical system using the graphical installer
complete the install of RHEL 7 onto a physical system using the graphical installer
perform a minimal install using the text mode installer
complete a minimal install using the text mode installer
describe swap space requirements and how to manage swap space during installation
recognize issues that can occur with UEFI and some setting that can allow the installation still
configure kernel setting and limits
update or modify a kernel to ensure a bootable system
list, add, remove, and configure kernel modules
troubleshoot basic boot failures after an installation
troubleshoot and configure the GRUB boot loader
fix boot partition issues
fix mount points that no longer exist
use modprobe to blacklist modules
alter kernel settings to solve common system issues
list the kernel modules, change the runlevel target, and add a second boot option to the grub boot loader in RHEL 7

Red Hat Certified System Administrator: Introduction to Virtualization

start the course
describe the built-in virtualization tools and programs in RHEL 7
distinguish between the different virtualization tools used to run guests on RHEL 7
describe and use RHEL 7 as a guest running on a Host
install RHEL 7 as a guest
launch a RHEL 7 guest from the host
modify the running RHEL 7 guest to perform well under a host
configure keyboard support
use tools to detect problems in guests and report them to the host
use sVirt to protect guests
configure and optimize RHEL 7 to be a host for guests
configure settings for hosting guests
create and manage virtual machines
access a virtual machine's console from the host
start, stop, and control guests
configure the system to start virtual machines on boot
obtain information about a guest
throttle I/O for a guest and manage guest resource allocations
use kickstart to create an automation script for automated installs
investigate booting or installation issues using dracut
configure Kickstart to automatically connect to a Directory Service
use a kickstart script to do an installation
use a kickstart script to install RHEL 7 as a guest
use SystemTap to investigate and monitor the activities of the operating system kernel
use built-in tools to generate bug and crash reports for diagnosis or sending to Red Hat
use kpatch to do dynamic patches to the kernel
use RHEL 7 as a Host for VMs and as a Client running on a VM

Red Hat Certified System Administrator: SELinux and Troubleshooting

start the course
identify and recognize the components and purpose of SELinux
configure and choose the applicable SELinux Mode
configure SELinux settings
identify and recognize the components and purpose of SELinux User contexts
use and apply a SELinux Process context
use restorecon to restore file security contexts
identify role-based access controls (RBAC) in SELinux
identify and choose SELinux Policies
configure and control SELinux Policies
add a new policy rule to be enforced
identify and troubleshoot a reported policy violation
use SELinux to secure a Network Service
troubleshoot common memory issues
troubleshoot CPU or Memory intensive processes
identify and diagnose file permission issues
troubleshoot common file permission security issues
troubleshoot common network issues
identify locked files or files used by a process
troubleshoot and repair the XFS file system
describe the basic tools for repairing a variety of file systems
debug the XFS file system
troubleshoot a drive that has failed in either a hot-swap or raid configuration
troubleshoot using the Red Hat Rescue Environment
use SELinux to protect a network service and find the processes using the most memory or CPU resources