This three day course provides the opportunity to install the Linux operating
system on both Sparc and PC systems, and to learn the skills necessary to
successfully configure non-network system services, and to manage the
system on a day-to-day basis. It will cover the installation of the Redhat Linux
distribution, and allow the attendee to assess the content and extent of Linux's administration
capabilities. Notes on other versions of Linux such as SuSE are also included in some areas.
Network Administration issues are covered on the
Linux System Administration (Part 2) course.
Experience of Linux, Solaris or UNIX® similar to the level described in
the
Introduction to Linux course or
Linux for Users/Administrators course.
To be able to build the Linux Redhat system on both SPARC and Intel platforms, and
successfully carry out day-to-day administration duties such as User management, File
System maintenance, backups, adding disks, etc.
LINUX background and sourcing
Where do I obtain Linux? What are the supported platforms and
hardware? How about support services? What are the commercial license
terms and conditions? (i.e.GNU Public License)
Installing LINUX
Installing LINUX on a PC using the RedHat/CentOS ES
distribution. Overview of installation process. Information required
before installing. Installation options, including disk partitioning
and software packages. PC installation of linux from CD/DCD and the
network. Boot configuration and booting post-build. Overview of
Automated building. Keeping your LINUX system up to date. Where to
obtain support and Linux resources. Accessing Linux documentation
on-line and from other sources. Post install configuration including
the Redhat Package Manager, yum, and vendor-specidic updates etc.
Startup and Shutdown
Switch on. Boot process and problems. The grub boot loader. Installing
grub from scratch. Using boot loaders to boot multiple operating
systems, including Windows. Accessing the root file system system from
grub. Creating a bootable Grub CD image. Configuring single user boot
facilities. kernel load. Loadable kernel modules; adding modules;
examining modules.. The Init process, /etc/inittab and the rc
scripts. Run states. Understanding and changing run states. Uisng
chkconfig. Adding your own services to the boot process. Halting the
system.
Adding and Maintaining Users
Concepts. Ownership of files, directories and processes. Classes of
user. Adding a user. Password control. Real and effective id. Using
Graphical tools for user management. Configuring the Windows
environment. Choosing and setting the display manager. Configuring
graphics hardware characteristsics.
File System Maintenance and Security
Utilities for file system management.(du, df, find) Timing commands
with crontab. Protection mechanisms, including access modes, s and t
bits, umask, chown and chmod. Access Control Lists with setfacl and
getfacl. File system structure and slicing. The mount command. Adding
swap space. Making room on the file system. File system
security. System Logging management. SELinux Overview.
Linux Groups
Overview. The group file. Group identification of files and
directories. Creating group entries, and using groups in a practical
way. User Private Groups in RedHat. Group-related commands.
Back-Up and Restore Utilities
Overview. Preparation. Tape types and capacities. Taking a full backup
with the dump command. The tar, cpio and mt utilities. Taking full and
partial backups. Verifying Backups. Restoring files and
directories. Full system recovery. Booting into system recovery mode
using removable media.
Adding a Printer
Overview. Connection methods. Printer types. The Linux spooling
mechanisms available (CUPS, etc). Software modifications. Spooling
system commands. Administrator control commands. Networking a printer
and sharing printers.
Adding a Disk
Physical connection. Partitioning with fdisk. Creating different types
of filesystem with mkfs. Mounting and updating /etc/fstab.
Linux RAID and LVM
What is available in the Linux kernel? Using fdisk to change
partitions types to RAID. Creating RAID devices such as linear,
stripes, mirrors and RAID 5. The Logical Volume facility. Creating a
Volume Group. Renaming and removing Volume Groups. Logical Volumes
creation. Extending Logical Volumes. Reducing Logical Volumes.
Removing Logical Volumes. Striped Logical Volumes. Mirror Logical
Volumes. Extend Mirror Volumes. Snapshot Volumes. Troubleshooting
Operations.. system-config-lvm GUI
Hardware and Software Requirements
A machine running Linux for each student. Red Hat version is preferable. One
or more printers should be provided for the classroom, to be shared by the
students. Tape drives should be available - preferably one per student.
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