UNIX System Administration

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Provider rating: 10 Perpetual Solutions has an average rating of 10 (out of 1 reviews)
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Overview

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Schedule:
Daytime
Run time:
5 days
Location type:
Open

vat information, completion, maximum participants, and starting dateplaces are unknown for this course.

Prerequisites:

The course assumes knowledge of the Unix Operating System to the level covered in the Introduction to Unix Course. Some shell programming experience may also prove advantageous; this can be gained on the Unix Shell Programming Course.

Course Description:

This course is designed to give delegates practical experience in the administration of a SVR4 compatible Unix System.Practical work will concentrate on the basic SVR4 commands rather than vendor-specific administration menu driven or GUI tools.

This course will benefit IT staff responsible for the maintenance and day-to-day running of a SVR4 compatible UNIX system.Typically, where several different versions of UNIX systems are su…

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Description

Prerequisites:

The course assumes knowledge of the Unix Operating System to the level covered in the Introduction to Unix Course. Some shell programming experience may also prove advantageous; this can be gained on the Unix Shell Programming Course.

Course Description:

This course is designed to give delegates practical experience in the administration of a SVR4 compatible Unix System.Practical work will concentrate on the basic SVR4 commands rather than vendor-specific administration menu driven or GUI tools.

This course will benefit IT staff responsible for the maintenance and day-to-day running of a SVR4 compatible UNIX system.Typically, where several different versions of UNIX systems are supported and the delegate needs knowledge of administration procedures common to all that adhere to SVR4 standards.

The delegates will practise:

  • Adding, changing and deleting users and user groups
  • Managing user passwords
  • Configuring login files
  • Running background tasks at regular intervals
  • Creating file systems
  • Mounting, monitoring and repairing file systems
  • Managing file access
  • Backing up and restoring files and directories using standard utilities
  • Managing swap space
  • Adding printers to the system
  • Monitoring and controlling print jobs
  • Starting and shutting down the system
  • Customising start-up and shutdown procedures
  • Monitoring system performance with the sar utility
  • Configuring syslog to manage system event messages
  • Carrying out various housekeeping procedures to manage disk space

This course includes the following modules:

The Administrator's Role

  • Role of a System Administrator
  • Using the root login
  • Using and tracking the use of su
  • The sysadm menu system

Account Management

  • Users, user groups and related system files
  • Adding new users and user groups (useradd, groupadd)
  • Changing and deleting users and user groups (usermod, userdel,
  • groupmod, groupdel)
  • Password and login control (passwd)
  • User communication facilites (wall, /etc/motd)

Login Files

  • The Bourne and Korn shell environments
  • Environment variables
  • The system profile /etc/profile
  • The user's .profile
  • The Korn shell start up file .kshrc
  • Korn shell options
  • Listing environment variables and aliases
  • Skeleton directories

Background Jobs

  • Starting background Jobs (&)
  • Using the nice command
  • Using cron processes
  • Creating crontab entries
  • Using the crontab command
  • The at command

File System Administration

  • Physical disk organisation
  • UNIX partition slices
  • File system device names
  • File system types
  • File system structure
  • File system creation (mkfs)
  • Mounting and unmounting file systems (mount, umount)
  • Checking and repairing file systems (fsck)
  • Monitoring free space (df)

File Access

  • File access criteria - users, groups and permissions
  • Default permissions with umask
  • Changing file attributes with chmod, chown and chgrp
  • Testing permissions with su

Backup and Restore Facilities

  • Using the cpio command
  • Using the tar command
  • Using the dd command
  • Backup and restore services

Managing Swap Space

  • Listing, configuring and disabling swap space (swap)

Terminals and Printers

  • Managing terminals
  • Using the stty command
  • Terminal model capabilities and commands (infocmp, tput)
  • The LP print service
  • LP print service files
  • Printer configuration (lpadmin)
  • Printer maintenance - managing printer status, job queues etc.
  • (lphsut, lpsched, /etc/init.d/lp, accept, reject, enable, disable, lpmove, lpusers, lpstat, cancel)
  • Printing from copies of files
  • Stopping banner output

System Startup and Shutdown

  • The /etc/init procedure
  • System run states
  • The /etc/inittab file
  • System startup procedures and processes
  • System shutdown procedures and processes (init, shutdown)
  • Recovery from boot failure

Basic Networking

  • Basic networking overview
  • Network hardware
  • Network software
  • Network addressing - IPv4
  • Network masks and subnets
  • Routing
  • Network commands (hostname, ifconfig, netstat, telnet, rlogin, ssh, ftp, sftp, rcp, scp, rsh, ping)
  • Client-Server environment
  • Servers
  • Networking services overview NIS, NIS+, DNS, LDAP NFS, DHCP

Performance Management

  • Performance management
  • System performance tools
  • System activity reporting using the sar command
  • General performance
  • Specific areas of performance
  • Excessive paging
  • Disk I/O performance
  • CPU performance
  • Using the timex command

Kernel Confugration

  • System configuration
  • Configuration guidelines
  • Reducing disk I/O
  • Increasing user memory
  • Improving CPU performance
  • Special case tuning needs
  • The configuration process (/etc/conf/cf.d, idtune, idbuild)

Software Installation

  • Operating system installation
  • Other software installation (pkginfo, pkgadd, pkgrm)

Syslog

  • Syslog configuration
  • The /etc/syslog.conf configuration file
  • Editing the syslog.conf file
  • Logging telnet, ftp and other network daemons
  • Testing syslog logging (logger)

General Housekeeping

  • Managing files and directories
  • Checking file space used
  • Freeing up disk space
  • Saving disk space
  • File system organisation
  • Helpful hints

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