Unix/Linux System Administration
Description
The Unix/Linux System Administration course is designed to give experienced Unix/Linux users the skills and knowledge needed to be qualified system administrators. The course is presented in the Linux environment, however, examples from other versions of Unix are given throughout the course. The basic ideas and concepts encountered in this course are the same for all flavors of Unix. Participants are introduced to the key procedures of system booting and shutdown, maintaining file systems, backing up the system, maintaining printers, handling software updates, using and configuring NIS, NFS, and more.
Hands-on exercises will allow you to experience and solve problems in a learning environment. The participant will deal with and solve real-life problems. The participants can discuss the various aspects of the problem, various possible solutions, and try them all.
Intended audience
This course is intended for beginning Unix/Linux administrators who want to acquire the basic skills and knowledge needed to administer Unix/Linux machines as standalone workstations or in a network environment.
Topics
The System Administrator
Information resources: Books, Internet, Online documents.
System administrator duties and tasks.
Boot and Shutdown
Run levels.
Processes and daemons.
Configure startup scripts. (Workshop)
User Management
Add user. (Workshop).
User groups.
User and system security.
User environment (Workshop)
File Management. (Workshop)
File system structure.
Manage disk storage
Links: hard, symbolic
Permission
Quotas.
Networking.
Network concepts overview
Name to address translation.
File sharing with NFS. (Workshop)
NIS. (Workshop)
Services and inetd. (Workshop)
Printing.
Setting a printer.
Printing to a remote printer.
Printing to an MS Windows printer
Backup
Backup strategy.
Selecting the backup devices and software.
Automating the backup procedure. (Workshop)
Third party product overview
Automounter
Automount requirements.
Maps to define an Automount mechanism.
Automounter. (Workshop)
X11
The Concept.
How it works.
Comparison to MS Windows.
X11 setup files. (Workshop)
Window manager and its startup files. (Workshop)
XDM. (Workshop)
System Administrator Tools.
Monitor processes: truss/strace, ps top.
Monitor network: lsof, netstat
Working with files: strings, awk, od, du, df, find.
Misc: which, whereis, dmesg, Logfiles.
Operating System Installation. (Workshop)
System installation.
Linux/Solaris installation.
Patches.
Installing and removing packages (RPM).
Download compile and install using source code.
Kernel reconfig
Get the kernel source code.
Add new adapter and update drivers.
Kernel upgrade. (Workshop)
Installing from Source
Where can you get the source code?
What are the benefits of starting from source code products?
Downloading and extracting the packages.
Configuring the package.
Installing the package.
The proc Filesystem
map of /proc.
Process entries.
Hardware information.
Kernel information.
Kernel settings.
Monitoring the System
Swap space tunings.
Detecting physical memory shortage.
System resource loads: CPU, I/O, Disk.
Raid disks.
Setting limits to processes.
Measuring network load.
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