Red Hat Enterprise Linux Systems Admin II

The Red Hat Enterprise Linux (RHEL) system administration topics covered in this  course along with the Red Hat Enterprise Linux Systems Admin I course cover the  certification objects of the Red Hat Certified System Administrator (RHCSA) exam.

The topics covered include automating installation with Kickstart, intermediate and advanced level command line building blocks and tools, troubleshooting, network file sharing server configuration, connecting to a directory service, managing advanced  security settings, maintenance tasks, and kernel tuning.

Red Hat® is a registered trademark of Red Hat, Inc. and its use by Alliance Micro Solutions, Inc. does not imply association or sponsorship by Red Hat, Inc.

Prerequisites: Completion of or skills equal to the “Linux Systems Administration I” course.

Supported Distributions: Red Hat Enterprise Linux 6

Detailed Course Outline:

1. Automated Installations of Red Hat Enterprise Linux
   1. Kickstart
   2. Anaconda: An Overview
   3. Anaconda: Booting the System
   4. Anaconda: Common Boot Options
   5. Anaconda: Loading Anaconda and Packages
   6. Anaconda: Storage Options
   7. Anaconda: Troubleshooting

Lab Tasks

1. Automating Installation with Kickstart
2. Accessing the Command Line
   1. Logging In
   2. Secure Shell
   3. ssh and sshd Configuration
   4. Accessing Remote Shells
   5. Transferring Files
   6. Alternative sftp Clients
   7. Switching User Contexts
   8. Gathering Login Session Info

Lab Tasks

1. Login and Discovery
2. Switching Users With su
3. Introduction to ssh and scp
4. Intermediate Command Line Tools
   1. Filesystem Links
   2. Archives with tar
   3. Archives with cpio
   4. The gzip Compression Utility
   5. The bzip2 Compression Utility
   6. The XZ Compression Utility
   7. The PKZIP Archiving/Compression format
   8. Text Editing
   9. Pico/GNU Nano
   10. Pico/Nano Interface
   11. Pico/Nano Shortcuts
   12. vi and Vim
   13. Learning vi
   14. Basic vi
   15. Intermediate vi

Lab Tasks

1. Archiving and Compression
2. Text Editing with Vim
3.  Regular Expressions, Pipelines, and I/O Redirection
   1. Searching Inside Files
   2. Regular Expression Overview
   3. Regular Expressions
   4. RE Quantifiers
   5. RE Parenthesis
   6. Communication Channels
   7. File Redirection
   8. Piping Commands Together

Lab Tasks

1. Pattern Matching with Regular Expressions
2. Extended Regular Expressions
3. Using Regular Expressions With sed
4. Text Processing
5. Network Configuration and Troubleshooting
1. IPv4 Fundamentals
2. TCP/UDP Fundamentals
3. Linux Network Interfaces
4. Ethernet Hardware Tools
5. Network Configuration with ip Command
6. Configuring Routing Tables
7. IP to MAC Address Mapping with ARP
8. Starting and Stopping Interfaces
9. NetworkManager
10. DNS Clients
11. DHCP Clients
12. system-config-network{tui,cmd}
13. Network Diagnostics

Lab Tasks

1. Network Discovery
2. Managing Simple Partitions and Filesystems
   1. Partitioning Disks with fdisk
   2. Partitioning Disks with parted
   3. Filesystem Creation
   4. Filesystem Maintenance
   5. Linux Unified Key Setup (LUKS)
   6. Swap

Lab Tasks

1. Creating and Managing Filesystems
2. Hot Adding Swap
3. LUKS-on-disk format Encrypted Filesystems
4. Managing Flexible Storage with the Logical Volume Manager (LVM)
   1. Logical Volume Management
   2. Implementing LVM
   3. Creating Logical Volumes
   4. Manipulating VGs & LVs
   5. Advanced LVM Concepts
   6. system-config-lvm

Lab Tasks

1. Creating and Managing LVM Volumes
2. Access Network File Sharing Services; NFS and CIFS
   1. File Sharing via NFS
   2. NFSv4
   3. NFS Clients
   4. NFS Server Configuration
   5. AutoFS
   6. AutoFS Configuration
   7. Accessing Windows/Samba Shares from Linux

Lab Tasks

1. Using autofs
2. NFS Server Configuration
3. Managing User Accounts
   1. User and Group Concepts
   2. User Administration
   3. Modifying Accounts
   4. Group Administration
   5. Password Aging

Lab Tasks

1. User and Group Administration
2. Network User Accounts with LDAP
   1. Manual DS Client Configuration
   2. system-config-authentication
   3. System Security Services Daemon (SSSD)

Lab Tasks

1. Using LDAP for Centralized User Accounts
2. Controlling Access to Files
   1. File Ownership
   2. Default Group Ownership
   3. File and Directory Permissions
   4. File Creation Permissions with umask
   5. Changing File Permissions
   6. SUID and SGID on files
   7. SGID and Sticky Bit on Directories
   8. User Private Group Scheme
   9. File Access Control Lists
   10. Manipulating FACLs
   11. Viewing FACLs
   12. Backing Up FACLs

Lab Tasks

1. File and Directory Ownership and Permissions
2. User Private Groups
3. Using Filesystem ACLs
4. Managing SELinux
   1. SELinux Security Framework
   2. SELinux Modes
   3. SELinux Commands
   4. Choosing an SELinux Policy
   5. SELinux Booleans
   6. Permissive Domains
   7. Graphical SELinux Policy Tools

Lab Tasks

1. Exploring SELinux Modes
2. SELinux File Contexts
3. Installing and Managing Software
   1. Managing Software
   2. RPM Features
   3. RPM Architecture
   4. RPM Package Files
   5. Working With RPMs
   6. Querying and Verifying with rpm
   7. Updating the Kernel RPM
   8. Managing Software Dependencies
   9. Using the YUM command
   10. YUM package groups
   11. Configuring YUM
   12. Yum Plugins
   13. YUM Repositories

Lab Tasks

1. Managing Software with RPM
2. Managing YUM Repositories
3. Using YUM
4. Analyzing and Storing Logs
1. System Logging
2. Rsyslog  /etc/rsyslog.conf
3. Log Management
4. Log Anomaly Detector

Lab Tasks

1. Setting up a Full Debug Logfile
2. Remote Syslog Configuration
3. Managing Processes
   1. Automating Tasks
   2. at/batch
   3. cron
   4. The crontab Command
   5. crontab Format
   6. /etc/cron.*/ Directories
   7. anacron
   8. Viewing Processes
   9. Managing Processes
   10. Tuning Process Scheduling

Lab Tasks

1. Creating and Managing User Cron Jobs
2. Adding System cron Jobs
3. Boot Process and SysV Init
   1. Booting Linux on PCs
   2. GRUB Configuration
   3. Boot Parameters
   4. Initial ramdisk
   5. /sbin/init
   6. System Init Styles
   7. Linux Runlevels
   8. /etc/inittab
   9. /etc/rc.d/rc.sysinit
   10. Runlevel Implementation
   11. System Configuration Files
   12. Configuration Utilities
   13. Typical SysV Init Script
   14. The /etc/rc.local File
   15. Managing Daemons
   16. Controlling Service Startup
   17. Shutdown and Reboot

Lab Tasks

1. Boot Process
2. Managing Services With chkconfig
3. Introduction to Troubleshooting Labs
4. Troubleshooting Practice: Boot Process
5. Tuning and Maintaining the Kernel
   1. Kernel Modules
   2. Configuring Kernel Components and Modules
   3. Handling Module Dependencies
   4. Configuring the Kernel via /proc/

Lab Tasks

1.  Adjusting Kernel Options