Linux Administration

Linux is an operating system or a kernel created by Linus Torvalds with other contributors.The job of a Linux systems administrator is to manage the operations of a computer system like maintain, enhance, create user account/report, taking backups using Linux tools and command-line interface tools.

Our Course Content

Basic Commands
  • Input-Output Redirection
File System Hierarchy Standard
  • Grep and Regular Expressions
Access Remote Systems Using SSH
  • Log In and Switch Users in Multi-User Targets
Create and Edit Files
  • Create, Delete, Copy and Move Files and Directories
  • Archive and Compress Using tar, star, gzip and bzip2

Create Hard and Soft Links
  • List, Set and Change Standard Permissions
Boot, Reboot and Shut Down a System
  • Boot into Different Targets Manually
  • Interrupt Boot Process to Access System                    
  • Identify CPU/Memory Intensive Processes, Adjust Priority, Kill Processes
  • Locate and Interpret System Log Files and Journals
Create and Remove Physical Volumes, Logical Volumes
  • List, Create and Delete Partitions
  • LVM Set Up
  • Configure System to Mount File System at Boot
Crontab Schedule
  • Schedule Tasks Using at and cron
  • Configure System to Use Time Services
  • Install and Update Software Packages
User Accounts & Groups
  • Create, Delete and Modify Local User Accounts
  • Change Password and Password Aging.
  • Create, Delete and Modify Groups
  • Create, Mount, Unmount and Use VFAT, EXT4 and XFS File Systems
Advanced Topics
  • Packages to be Memorized & Installed
  • Configure Key-Based Authentication for SSH
  • Tasks
  • FirewallD
  • Set Enforcing & Permissive Modes for SELinux
  • Introduction to SELinux
  • List & Identify SELinux File & Process Context
  • Restore Default File Contexts

    • Use Boolean Settings to Modify System SELinux Settings

    Diagnose & Address Routine SELinux Policy Violations

    • LVM
    • Working with LVM (Logical Volume Manager)

    Extending Volume Groups and Logical Volumes

    • Removing Logical & Physical Volumes & Volume Groups

    Resetting Root Password


    Kickstart Installation

    • Networking
    • IP command
    • Troubleshooting Network Connectivity

    Network Manager

    Start and Stop Network Manager

    • Managing Hostnames
    • File Access Control Lists

    Extended ACL Entries

    • Base/Minimum ACL Entries
    • Removing ACLs

    Copying ACLs from One File to Another

    • Setting Default ACLs
    • Working with the ACL mask
    • Troubleshooting Permissions

    Managing YUM Repositories


    • CIFS Using Samba
    • NFS
    • Connecting to a SSO LDAP/AD Server


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