Unix

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    Unix Course Content :

    1. Overview of System Administration

    • System Administrator Responsibilities
    • A Brief History of UNIX
    • Evolving Standards
    • Navigating the Documentation

    2. 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
    • The/etc/profile and .profile
    • Communicating with Users: /etc/motd
    • Communicating with Users: The wall Command

    3. 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

    4. 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

    5. 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

    6. Backups

    • Backup Strategies
    • Backup Tools
    • The tar Command
    • The cpio Command
    • The dump Command
    • Network Backup Strategies

    7. 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

    8. System Startup and Shutdown

    • Run States
    • The init Daemon
    • The/etc/inittab
    • The inittab Actions
    • The init Command
    • The rc Scripts
    • Single-User Mode
    • The shutdown Command

    9. UNIX System Security

    • Security Overview
    • Physical Security
    • Account Security
    • SUID and SGID Settings
    • File and Directory Permissions
    • Software Security

    10. Performance Monitoring and Tuning

    • Performance Issues
    • Methods of Improving Performance
    • Swapping and Paging
    • The sar Utility
    • Using sar
    • The truss Command

    11. 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

    12. 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

    13. 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

    14. Network Utilities

    • Network Services
    • telnet Terminal Emulator
    • ftp File Transfer
    • rcp Remote Copy
    • rlogin Remote Login
    • rsh Remote Commands

    15. Kernel Reconfiguration

    • Overview of Reconfiguration
    • Kernel Parameters
    • Steps to Reconfigure a Kernel
    • Specific Steps for SVR4

    16. Overview of NIS

    • What is NIS?
    • Why Use NIS?
    • NIS Design and Implementation
    • NIS Maps
    • Configuring NIS

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