Advanced System Concepts for System Administrators
Linux history and timelines
Process concepts
Bash Shell command usage and review
Optimizing system help information
System administrator functions
Using the root account
root access via sudo
Using the RHEL administrative graphical interfaces
Manipulating system default environment files
Configuring and using webmin
System Installation and Updating
Installation types and methods
Installing the RHEL operating system
Upgrading to a newer release of RHEL
Maintaining the system via patches
Adding additional products to the system (packages)
General package management
Reconfiguring the Linux kernel
Startup and Shutdown
Components involved in the Linux boot
Grub loader stages and configuration
Default bootstrap
Boot to single-user mode
Linux startup methods, tools, and procedures
Understanding run levels
Adding procedures to the startup mechanisms
Shutdown methods and control
Managing of System Users
UID and GID concepts
Creation of a user account
Security through password aging
Controlling access by groups
Login sequence
Setting up user environment files
Using and maintaining user login files
Viewing and controlling running processes
KDE setup files
.gnome* files and directories (menus and layouts)
Managing Printer Queues
Using CUPS (common Unix print system)
Commands to manipulate queues
Commands to manipulate jobs in queues
Managing Disk and Tape Volumes
Commands to manipulate disks/filesystems
partitioning disk surfaces with fdisk
creating ext3 file systems (newfs / mkfs)
manipulating file system structures
verifying file system structures with fsck
making file systems available to software (mount)
Creating and using LVM based file systems
Commands to manipulate archival volumes:
tar utility
cpio utility
dump and restore utilities
Configuring software RAID (optional)
Monitoring System Activity
Informational Utilities
The vmstat utility
The iostat utility
The sar utility
The netstat utility
Maintaining swap and paging space(s)
Analyzing output from the top facility
Network Setup and Configuration
TCP/IP address selection
Host names and related files
Configuring network devices
Network testing with ping
Network utilities: telnet, rlogin, rcp, rsh, ssh
Maintaining System Integrity
Login and user accounting
Command/process level accounting
Using cron tables
Controlling system logging via syslogd
Server Setups (Procedures and Mechanisms)
DNS
FTP
Mail
Web (Apache)
Samba