Unix Training Overview
Learn and practice essential administration tasks. Generic system administration concepts are covered and related to specific vendors' systems
Unix Training Audience
UNIX administrators and anyone involved with the UNIX System V, Release 4 operating system.
Unix Training Prerequisites
Fundamentals of UNIX, and some system administration experience recommended.
Unix Training Course duration
4 Days
Unix Training Course outline
Overview of System Administration
System Administrator Responsibilities
A Brief History of UNIX
Evolving Standards
Navigating the Documentation
User Administration
What is a "user" in UNIX?
The /etc/passwd File
Groups
The /etc/group File
Passwords
Adding Users
Deleting Users
Modifying User Attributes
The Login Process
/etc/profile and .profile
Communicating with Users: /etc/motd
Communicating with Users: The wall Command
File System Basics
The Hierarchy
Files
Directories
Device Files
Character and Block Devices
The/dev Directory
Links
Symbolic Links
A File System Tour
The df Command
The du Command
The find Command
Advanced File System Concepts
The Physical File System
The Inode File
File Storage in Disk Blocks
The Superblock
The Free List
Slices and File Systems
File System Types
Disk Management
Making a File System
The mkfs Command
Sharing Filesystems
The mount Command
The fstab File
The fsck Command
The lost+found Directory
The prtvtoc Command
Backups
Backup Strategies
Backup Tools
The tar Command
The cpio Command
The dump Command
Network Backup Strategies
UNIX Processes
Overview of Processes
Process Space
Process Table
The fork/exec Mechanism
The ps Command
Background Processes
The kill Command
Scheduling Jobs
The cron Daemon
The at Command
The crontab Command
Format of cron Files
Access to Scheduling Facilities
System Startup and Shutdown
Run States
The init Daemon
/etc/inittab
The inittab Actions
The init Command
The rc Scripts
Single-User Mode
The shutdown Command
UNIX System Security
Security Overview
Physical Security
Account Security
SUID and SGID Settings
File and Directory Permissions
Software Security
Performance Monitoring and Tuning
Performance Issues
Methods of Improving Performance
Swapping and Paging
The sar Utility
Using sar
The truss Command
IP Addressing
Basic Network Needs
Ethernet Addresses
IP Addresses
DNS vs /etc/hosts to Resolve IP Addresses
Network Addresses
Network Classes
Broadcast Addresses
Subnet Masks
Configuring TCP/IP
The /etc/hosts File
The ifconfig Command
The /etc/services File
The inetd Daemon
The /etc/inetd.conf File
Simple TCP/IP Troubleshooting:
The ping and netstat Commands
The LP Print Service
Printing Overview
The lp, lpstat, and cancel Commands
Adding a Printer
The lpadmin Command
The accept and reject Commands
The enable and disable Commands
Adding a Networked Printer
Other Administrative Commands
Network Utilities
Network Services
telnet - Terminal Emulator
ftp - File Transfer
rcp - Remote Copy
rlogin - Remote Login
rsh - Remote Commands
Kernel Reconfiguration
Overview of Reconfiguration
Kernel Parameters
Steps to Reconfigure a Kernel
Specific Steps for SVR4
Overview of NIS
What is NIS?
Why Use NIS?
NIS Design and Implementation
NIS Maps
Configuring NIS
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