Instructor-led training
RED HAT ENTERPRISE LINUX SYSTEMS ADMINISTRATION III Training in Clinton, Iowa
This course is designed to follow an identical set of topics as the Red Hat RH254, RH255 RHCE exam prep courses with the added benefit of very comprehensive lab exercises and detailed lecture material. The Red Hat Enterprise Linux (RHEL) system administration topics covered in…
What you'll learn
Prerequisites
Course Outline
-
LINUX KERNEL & DEVICES
- Hardware Discovery Tools
- Kernel Hardware Info – /sys/
- /sys/ Structure
- udev
- Managing Linux Device Files
- List Block Devices
- SCSI Devices
- USB Devices
- USB Architecture
- Kernel Modules
- Configuring Kernel Components and Modules
- Handling Module Dependencies
- Configuring the Kernel via /proc/
- Console
- Virtual Terminals
- Keyboard & locale configuration
- Serial Ports
- Random Numbers and /dev/random
- Adjusting Kernel Options
- Introduction to Troubleshooting Labs
- Troubleshooting Practice: Kernel Modules
-
CONTROL SERVICES AND DAEMONS
- systemd System and Service Manager
- Modifying systemd services
- Systemd Service Sandboxing Features
- systemd Targets
- Using systemd
- Legacy Support for SysV init
- Managing Services With Systemd's systemctl
- Creating a systemd unit file
- Troubleshooting Practice: Boot Process
-
MANAGE IPV6 NETWORKING
- IPv6
- Configuring IPv6
-
CONFIGURE LINK AGGREGATION AND BRIDGING
- Interface Aggregation
- Interface Bonding
- Network Teaming
- Interface Bridging
-
CONTROL NETWORK PORT SECURITY
- SELinux Security Framework
- SELinux Modes
- SELinux Commands
- Choosing an SELinux Policy
- SELinux Booleans
- Permissive Domains
- SELinux Policy Tools
- FirewallD
- Firewall Configuration
- FirewallD
-
MANAGE DNS FOR SERVERS
- Server Roles
- Resolving Names
- Resolving IP Addresses
- Basic BIND Administration
- Configuring the Resolver
- Testing Resolution
- BIND Configuration Files
- named.conf Syntax
- named.conf Options Block
- Creating a Site-Wide Cache
- rndc Key Configuration
- Address Match Lists & ACLs
- Restricting Queries
- Configuring a Slave Name Server
- Use rndc to Control named
-
CONFIGURE EMAIL DELIVERY
- SMTP
- SMTP Terminology
- SMTP Architecture
- SMTP Commands
- SMTP Extensions
- SMTP Session
- Postfix Features
- Postfix Architecture
- Postfix Components
- Postfix Configuration
- master.cf
- main.cf
- Configuration Commands
- Configuring Postfix
- Postfix Virtual Host Configuration
- Postfix Network Configuration
-
PROVIDE BLOCK-BASED STORAGE
- Remote Storage Overview
- Remote Block Device Protocols
- iSCSI Architecture
- Open-iSCSI Initiator Implementation
- iSCSI Initiator Discovery
- iSCSI Initiator Node Administration
- Mounting iSCSI Targets at Boot
- iSCSI Multipathing Considerations
- iSCSI Initiator Configuration
-
PROVIDE FILE-BASED STORAGE
- Remote Filesystem Protocols
- File Sharing via NFS
- NFSv4+
- NFS Clients
- NFS Server Configuration
- Implementing NFSv4
- Accessing Windows/Samba Shares from Linux
- NFS Server Configuration
-
CONFIGURE MARIADB DATABASES
- Popular SQL Databases
- MariaDB
- MariaDB Installation and Security
- MariaDB User Account Management
- Installing and Securing MariaDB
-
PROVIDE APACHE HTTPD WEB SERVICES
- HTTP Operation
- Apache Architecture
- Apache Configuration Files
- httpd.conf – Server Settings
- httpd.conf – Main Configuration
- HTTP Virtual Servers
- Virtual Hosting DNS Implications
- httpd.conf – VirtualHost Configuration
- Port and IP based Virtual Hosts
- Name-based Virtual Host
- TLS Using mod_ssl.so
- Dynamic HTTP Content
- Apache Architecture
- Apache Content
- Configuring Virtual Hosts
- Using TLS Certificates with Apache
- CGI Scripts in Apache
-
WRITE BASH SCRIPTS
- Shell Script Strengths and Weaknesses
- Example Shell Script
- Positional Parameters
- Input & Output
- Comparisons with test
- Exit Status
- Conditional Statements
- Flow Control: case
- The borne for-Loop
- The while and until Loops
- Writing a Shell Script
-
CONFIGURE THE SHELL ENVIRONMENT
- Shells
- Identifying the Shell
- Changing the Shell
- Configuration Files
- Script Execution
- Shell Prompts
- Bash: Bourne-Again Shell
- Bash: Configuration Files
- Bash: Command Line History
- Bash: Command Editing
- Bash: Command Completion
- Bash: prompt
- Linux Shells
- Bash History
- Aliases
- Bash Login Scripts
-
LINUX CONTAINERS PREVIEW
- Application Management Landscape
- Application Isolation
- Resource Measurement and Control
- Open Container Initiative
- Container Concepts runC
- Container Concepts Systemd
Training locations
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