RH12400 - Course Overview

Objective: To prepare for the RH124 Certification.
Public: Linux Technicians and Administrators.
Prerequisites: Have worked with Red Hat Enterprise Linux for at least 2 years.
Learning method: Alternating between a clear and precise teaching scenario and practical work based on concrete cases and examples.
Assessments: Assessments using self-correcting tests.

• RH12400 - Course Overview * Presentation * Programme * RH12401 - File System * LAB #1 - Linux File Hierarchy System * 1.1 - File Types * 1.2 - The mount command * 1.3 - The umount command * 1.4 - The /etc/fstab file * Mount Options * LAB #2 - Unix File System * 2.1 - Superblock * 2.2 - Inodes * 2.3 - Data blocks * 2.4 - Physical links * 2.5 - Symbolic links * RH12402 - The VI Editor * Overview * LAB #1 - Creating, opening and closing files * 1.1 - Commands * 1.2 - Creating a new file with VI * 1.3 - Open a file in read-only mode with the view command * 1.4 - Opening a file in read-write mode with the vi command * LAB #2 - The set command * 2.1 - Commands * 2.2 - Enabling line numbering with the set command * LAB #3 - Moving within a File * 3.1 - Commands * LAB #4 - Inserting Text * 4.1 - Commands * 4.2 - Inserting text * LAB #5 - Text Search * 5.1 - Commands * 5.2 - Finding and replacing text * LAB #6 - Deleting Text * 6.1 - Commands * 6.2 - Deleting Lines * LAB #7 - Copy, Cut and Paste * 7.1 - Commands * 7.2 - Copying, Cutting and Pasting Text * LAB #8 - Configuring a Personal VI Interface * RH12403 - Help and Documentation * LAB #1 - Help with Commands * 1.1 - Help on External Commands * 1.2 - Help on Built-In Commands * LAB #2 - The man command * 2.1 - The mandb and whatis commands * 2.2 - The apropos command * LAB #3 - The info command * RH12404 - Basic Shell Commands and Text Manipulation Tools * LAB #1 - Use of Basic Shell Commands * 1.1 - The stty Command * 1.2 - The date command * 1.3 - The who Command * 1.4 - The df Command * 1.5 - The free Command * 1.6 - The whoami Command * 1.7 - The pwd Command * 1.8 - The cd Command * 1.9 - The ls Command * 1.10 - The lsof Command * 1.11 - The touch Command * 1.12 - The echo Command * 1.13 - The cp Command * 1.14 - The file Command * 1.15 - The cat Command * 1.16 - The mv Command * 1.17 - The mkdir Command * 1.18 - The rmdir Command * 1.19 - The rm Command * 1.20 - The sort Command * 1.21 - The more Command * 1.22 - The less Command * 1.23 - The find Command * 1.24 - The su Command * 1.25 - The updatedb and locate Commands * 1.26 - The whereis Command * 1.27 - The which Command * 1.28 - The uptime Command * 1.29 - The w Command * 1.30 - The uname Command * 1.31 - The du Command * 1.32 - The clear Command * 1.33 - The exit Command * 1.34 - The logout Command * 1.35 - The sleep Command * 1.36 - The wall Command * 1.37 - The seq Command * 1.38 - The screen Command * LAB #2 - Switches and Arguments * LAB #3 - Regular Expressions * BREs * EREs * Manipulating Text Files * Text-search Utilities * The grep Command * The egrep Command * The fgrep Command * LAB #4 - Using grep, egrep and fgrep * The Stream EDitor SED * LAB #5 - Using sed * The Text Processor AWK * Presentation * Field Separation * Conditions * A regular expression applied to a record * A regular expression applied to a field * Comparisons * Logical Operators * Built-in Variables * Awk Scripts * The printf function * Control Statements * if * for * while * do-while * LAB #3 - Using awk * LAB 7 - Other Useful Commands * 7.1 - The expand Command * 7.2 - La Commande unexpand * 7.3 - The cut command * 7.4 - The uniq Command * 7.5 - The tr Command * 7.6 - The paste Command * 7.7 - The split Command * 7.8 - The diff Command * 7.9 - The cmp Command * 7.10 - The patch Command * 7.11 - The strings Command * 7.12 - The comm Command * 7.13 - The head Command * 7.14 - The tail Command * LAB #8 - Use the grep, tr and cut commands to extract your IPv4 address from the output of ifconfig * LAB #9 - Use the grep, awk and sed commands to extract your IPv4 address from the output of ip * RH12405 - The Command Line * The Shell * LAB #1 - The /bin/bash Shell * 1.1 - Shell Internal and External Commands * 1.2 - Aliases * 1.3 - Defining a user's shell * 1.4 - The Prompt * 1.5 - Recalling commands * 1.6 - Generating file name endings * 1.7 - The interactive shell * Character * * Character ? * Character [ ] * 1.8 - The extglob option * ?(expression) * *(expression) * +(expression) * @(expression) * !(expression) * Escape characters * 1.9 - Return Codes * 1.10 - Redirections * 1.11 - Pipes * 1.12 - Command substitution * 1.13 - Command chaining * 1.14 - Displaying shell variables * Main variables * Internationalization and Localization Variables * Special variables * 1.15 - The env command * 1.16 - Bash Shell options * Examples * noclobber * noglob * nounset * RH12406 - User Management * Overview * /etc/nsswitch.conf * Querying databases * The /etc/group and /etc/gshadow files * The /etc/passwd and /etc/shadow files * Commands * Groups * groupadd * groupdel * groupmod * newgrp * gpasswd * Users * useradd * userdel * usermod * passwd * chage * Configuration * LAB #1 - Managing Users and Groups * LAB #2 - Forcing complex passwords with PAM * Using Complex Passwords * Configuration * su and su - * sudo * RH12407 - Package Management * LAB #1 - The rpm command * 1.1 - Configuration * 1.2 - Using the rpm command * LAB #2 - The dnf command * 2.1 - Overview * 2.2 - Configuration * 2.3 - Repositories * 2.4 - Searching for Packages * 2.5 - Getting Package Information and Downloading Packages * 2.6 - Installing a package * 2.7 - Updating Packages * 2.8 - Deleting packages * 2.9 - The dnf history * 2.10 - The Application Stream Repository * LAB #3 - Shared Libraries * 3.1 - Introduction * Storage * ld-linux.so.2 * 3.2 - The ldd command * 3.3 - The /etc/ld.so.conf file * 3.4 - The ldconfig command * RH12408 - Managing File Permissions * Contents * Presentation * Preparation * LAB #1 - Simple Unix File Permissions * 1.1 - Changing File Permissions * The chmod Command * Symbolic Mode * Octal mode * The umask command * 1.2 - Changing the owner or group * The chown command * The chgrp command * LAB #2 - Extended Unix File Permissions * 2.1 - SUID/SGID bit * 2.2 - Inheritance Flag * 2.3 - Sticky bit * RH12409 - Archiving and Compression * Types of Backup * Full Backup * Differential Backup * Incremental Backup * Decremental Backup * Classic Backup Tools * Preparation * The Tar Command * Overview * LAB #1 - Working with the tar command * The GPL tar command and compression * The cpio command * Overview * LAB #2 - Working with the cpio command * The dd command * Overview * LAB #3 - Working with the dd command * The dump and restore commands * Overview * Advanced Backup Tools * Unidirectional Backup Tools * Multidirectional Backup Tools * Partition Backup Tools * LAB #4 - What to Backup First * Packet List Backup * Backing up the System Hard Disk Structure * Backing up the System Hard Disk Mounting Points * Boot Loader Backup * GRUB Legacy * GRUB 2 with BIOS * GRUB 2 with EFI * User Directories Backups * The Rsync Command * Overview * LAB #5 - Working with the rsync command * Compression * The gzip command * Overview * LAB #6 - Working with the gzip command * The bzip2 command * Overview * LAB #7 - Working with the bzip2 command * The xz command command * Overview * LAB #8 - Working with the xz command * Other utilities * RH12410 - Process Management * Overview * Process Types * Lab #1 - Process commands * 1.1 - The ps command * 1.2 - The pgrep command * 1.3 - The pstree command * 1.4 - The top command * 1.5 - The fg, bg and jobs commands * 1.6 - The wait command * 1.7 - The nice command * 1.8 - The renice command * 1.9 - The nohup command * 1.10 - The kill command * 1.11 - The pkill command * RH12411 - Managing Logs * Overview * The dmesg Command * LAB #1 - Security Monitoring * 1.1 - The last Command * 1.2 - The lastlog Command * 1.3 - The lastb Command * 1.4 - The /var/log/secure File * 1.5 - Audit Event Management * The /var/log/audit/audit.log File * auditd * auditctl * audispd * Viewing audit Events * The aureport Command * The ausearch Command * The /var/log/messages File * Applications * LAB #2 - rsyslog * 2.1 - Priorities * 2.2 - Facilities * 2.3 - /etc/rsyslog.conf * Modules * Global Directives * Rules * Facility.Priority * Facility!Priority * Facility=Priority * Using the * Wildcard * n Facilities with Identical Priorities * n Selectors with Identical Actions * LAB #3 - The logger Command * LAB #4 - The logrotate Command * LAB #5 - Logging with journald * 5.1 - Viewing Logs * 5.2 - Application Specific Messages * 5.3 - Boot Messages * 5.4 - Priority Specific Messages * 5.5 - Messages from a Specific Date or Time Range * 5.6 - Real Time Messages * 5.7 - Searching with Key Words * LAB #6 - The NTP Server * 6.1 - Overrview * 6.2 - The chronyd Service * 6.2 - The /etc/chrony.conf File * RH12412 - Service and Daemon Management * Systemd * LAB #1 - The systemctl command * LAB #2 - Configuration Files * 2.1 - Default Configuration Files * 2.2 - Overriding the Default Configuration Files * LAB #3 - The systemd-analyze command * LAB #4 - Systemd Targets * 4.1 - Checking target dependencies * 4.2 - The Default Target * LAB #5 - Managing Services * 5.1 - Managing Single Instances * 5.2 - Managing Multiple Instances * 5.3 - Prohibiting Service Status Changes * RH12413 - Network Management**
  • Understanding IPv4
    • TCP headers
    • UDP Headers
    • Fragmentation and Re-encapsulation
    • Addressing
    • Subnet Masks
    • VLSM
    • Ports and Sockets
    • The /etc/services File
    • Ethernet Address Resolution
  • Understanding IPv6
    • Overview
    • IPv6 addresses
    • Subnet Masks
    • IPv6 Reserved Addresses
    • Link-local Addresses
    • DHCPv6
• Configuring the Network
  • The nmcli Command
• LAB #1 - Network Configuration
  • 1.1 - Connections and Profiles
  • 1.2 - Name Resolution
  • 1.3 - Adding a Second IP Address to a Profile
  • 1.4 - The hostname Command
  • 1.5 - The ip Command
  • 1.6 - Manually Enabling/Disabling an Interface
  • 1.7 - Static Routing
    • The ip Command
    • Enable Routing on the Server
• LAB #2 - Network diagnostics
  • 2.1 - ping
  • 2.2 - netstat -i
  • 2.3 - traceroute
  • 2.4 - tracepath
• LAB #3 - Remote Connections
  • 3.1 - Telnet
  • 3.2 - wget
  • 3.3 - ftp
  • 3.4 - SSH
    • Overview
      • SSH-1
      • SSH-2
    • Password Authentication
    • Asymmetric key Authentication
    • Server Configuration
    • Client Configuration
    • SSH Tunnels
  • 3.5 - SCP
    • Overview
    • Usage
  • 3.6 - Setting up Asymmetric Keys

Copyright © 2024 Hugh Norris.