Learn CentOS Operating system

Introduction to Linux and CentOS:

• Overview of Linux distributions
• Introduction to CentOS and its history
• Understanding the CentOS release cycle

Installation and Configuration:

• Installing CentOS on a physical machine or virtual environment
• Basic system configuration tasks such as setting hostname, network configuration, etc.
• Disk partitioning and file system management
• Understanding package management with yum or dnf

User and Group Management:

• Creating and managing users and groups
• Understanding file permissions and ownership
• Implementing user access control and security

File System Administration:

• Working with files and directories
• Managing file system quotas
• Disk management and monitoring

Networking:

• Configuring network interfaces
• Firewall configuration using iptables or firewalld
• Understanding network services like DNS, DHCP, etc.

Security:

• Implementing security best practices
• Configuring SELinux
• Managing user authentication and passwords

System Monitoring and Performance Tuning:

• Monitoring system performance using tools like top, vmstat, sar, etc.
• Identifying and troubleshooting performance issues
• Tuning system parameters for better performance

Shell Scripting:

• Basics of shell scripting
• Writing simple scripts to automate tasks
• Understanding variables, loops, conditionals, etc.

Virtualization and Containerization:

• Introduction to virtualization concepts
• Managing virtual machines with tools like KVM or VirtualBox
• Introduction to containerization with Docker or Podman

High Availability and Clustering:

• Introduction to high availability concepts
• Configuring clustering solutions like Pacemaker and Corosync
• Implementing failover and load balancing

Backup and Recovery:

• Planning and implementing backup strategies
• Understanding tools and utilities for backup and recovery
• Testing backup and recovery procedures

Advanced Topics (Optional):

• Setting up web servers, databases, or other services
• Working with automation tools like Ansible
• Exploring cloud integration with CentOS