Linux Administration and Support Training

Leverage the flexibility and scalability of your Linux OS to meet your organization's critical and ongoing IT needs. In this Linux Administration and Support training course, you learn to build, manage, and fine tune your Linux, Red Hat, CentOS, Debian, or SUSELinux distribution, as well as manage the day-to-day responsibilities of your role as a Linux administrator. Learn to control and troubleshoot the boot process, attach local storage and create file systems and deliver file, print and network services for both UNIX and Windows clients.

• Practical skills in the Linux Operating system at the level of:
  • Course 143, Linux Introduction, or
  • Course 428, UNIX Introduction
• Must be comfortable with Linux command line, including vi text editor and standard file manipulation utilities

• This course uses Red Hat Enterprise Linux
• Concepts taught are applicable to all Linux distributions

Linux Administration and Support Training Benefits

• Design, configure, and support Linux servers
• Control and troubleshoot the boot process
• Attach local storage and create file systems
• Deploy software components from source and binary packages

Linux Administration Course Outline

Designing and Configuring a Linux Server

Configuring open–source systems

• The roles of an administrator
• Open–source licensing
• Acquiring your Linux distribution

The System Design

• Structuring the file system
• Selecting software packages
• The /etc configuration hierarchy

Booting Linux

Managing the boot process

• Following the boot sequence
• Controlling services with systemctl

Rescuing an unbootable system

• Troubleshooting a boot loader
• Recovering with rescue media

Controlling and Monitoring User Processes

Users and groups

• Enforcing access control policy with Pluggable Authentication Modules (PAM)
• Assigning users to groups
• Establishing and modifying accounts

Process control and logging

• ps
• pstree
• top
• vmstat
• Examining the /proc file system
• Signaling processes with kill and pkill
• Capturing important events with journalctl
• Meeting compliance requirements with journald and syslog

Managing File Systems

Device and volume management

• Installing new disks
• Establishing and extending logical volumes

Mounting file systems

• Creating and tuning journaled file systems
• Attaching to network file servers

Ensuring availability

• Backing up and restoring data
• Archiving system configuration

Adding and Updating Software

Managing software packages

• Manipulating portable tar archives
• Installing software with Red Hat Package Manager (RPM) to blend Red Hat with CentOS and other Linux distributions

Building software from source

• Working with SRPMs and packaging binary RPMs
• Resolving dependency issues with yum

Configuring Networks

Connecting to an IP network

• Setting IPv4 addresses and netmasks
• Configuring and testing IPv6 connectivity

Controlling network services

• Providing multiple websites with Apache virtual hosting
• Securing services with access control

Supporting Print and File Services

Service for UNIX and Mac OS X clients

• Offering local and network print services
• Sharing files with NFS

Service for Windows clients

• Emulating Windows services with Samba
• Authenticating users

The Linux Kernel

Kernel building and configuration

• Probing the PCI bus with lspci
• Discovering new hardware with sysfs
• Inserting new device drivers
• Determining required functionality

Running high–performance clusters

• Balancing network load with Linux Virtual Server (LVS)
• Ensuring high availability with keepalived