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
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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
KVM
- Tasks
- FirewallD
SELinux
- 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
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/NFS
- CIFS Using Samba
- NFS
- Connecting to a SSO LDAP/AD Server