GL250: Red Hat Enterprise Linux System Administration

Mål

Intended for students already comfortable with working in the Linux environment, this in-depth course helps students acquire the variety of skills needed to set up and maintain Linux systems. The class concentrates on the popular Red Hat distribution of the Linux operating system, and covers subjects ranging from initial installation of Linux to day-to-day administrative tasks such as management of user accounts and disk space, and even imparting the trouble-shooting skills future system administrators will need, to cope with unexpected behavior.

Förkunskaper

Individuals wishing to take this class should already have a solid grounding in Linux concepts. Fundamentals such as an understanding of the Linux filesystem, process management, and the ability to manipulate and edit files is considered a must and will not be covered in class. An understanding of network concepts, and the TCP/IP protocol suite is helpful.

This courses is currently supported on the latest releases of Red Hat Enterprise Linux, Fedora Core Linux, SUSE Linux Enterprise Server, or SUSE Linux Professional.

DAY 1
Linux workstation installation
Linux server installation
Post-install system configuration
Scripting installation of custom setups using kickstart
Linux boot process
SysV init concepts and configuration
Managing startup of system daemons
Controlling startup of services in xinetd / inetd

DAY 2
Creation, modification, and deletion of users and groups
Password aging under Linux
The Linux login process and login authentication
Regulating access to the root account via su and sudo
Creation, modification, and deletion of partitions and filesystems
Configuring NFS clients
Client DS configuration - NIS, LDAP
Management of RAID and LVM devices under Linux
Using FACLs
Disk space regulation using quotas
Backing up and restoring Linux filesystems

DAY 3
Scheduling jobs using cron, anacron, and at
Management of processes running on the system
Usage of process accounting and implementation of process limits
Configuration and analysis of system logs
System performance analysis
Configuring network interfaces
Setup of DNS and DHCP clients
Diagnosing network setup issues

DAY 4
Configuration of X server
Installation and maintenance of fonts
Usage and configuration of XDMCP
Implementations of X security
Securing freshly installed Linux systems
Keeping Linux systems up-to-date
Configuration of Linux firewalls
Usage of TCP wrappers to secure Linux systems

DAY 5
Configuration of optimized Linux kernels
Compiling and installing custom Linux kernels
Using third-party patches with Linux kernels
Updating userland to support new kernels
Concepts for troubleshooting Linux
Analysis of system logs to identify problems
Use of systems-level debugging aids in troubleshooting
Usage of the Linux rescue environment