Beginner / Basic Linux Administration
Task 1: Linux Banner
Task 2: Create a Cron Job
Task 3: Restrict Cron Access
Task 4: Linux Find Command
Task 5: Linux String Substitute (sed)
Task 6: String Replacement
Task 7: Script Execution Permissions
Task 8: File Permission Correction
Task 9: Timezone Alignment
Task 10: Default GUI Boot Configuration
Task 11: Process Limit Adjustment
Task 12: Linux Services
Task 13: Configure sudo (Linux Configure sudo)
Task 14: Group Creation and User Assignment
Task 15: Linux User Setup with Non-Interactive Shell
Task 16: Service User Creation without Home Directory
Task 17: Temporary User Setup with Expiry
Task 18: Apache User Setup
Task 19: Linux Collaborative Directories
Task 20: Linux Bash Scripts
Task 21: Bash Scripts if/else Statements
Intermediate / System & Security Configuration
Task 22: Secure Root SSH Access
Task 23: Linux SSH Authentication
Task 24: Secure Data Transfer
Task 25: Data Backup for Developer
Task 26: Linux User Data Transfer
Task 27: Linux GPG Encryption
Task 28: Linux LogRotate
Task 29: Firewall Configuration
Task 30: Linux Firewalld Setup
Task 31: IPtables Installation and Configuration
Task 32: SELinux Installation and Configuration
Task 33: Application Security
Task 34: Configure Local Yum Repos
Task 35: Install a Package
Task 36: Install Ansible
Intermediate-Advanced / Networking & Web Servers
Task 37: Apache Redirects
Task 38: Add Response Headers in Apache
Task 39: Configure Protected Directories in Apache
Task 40: PAM Authentication for Apache
Task 41: Apache Troubleshooting
Task 42: Install and Configure SFTP
Task 43: Linux Network Services
Task 44: DNS Troubleshooting
Task 45: Linux Process Troubleshooting
Task 46: Linux Postfix Mail Server
Task 47: Linux Postfix Troubleshooting
Task 48: Install and Configure Tomcat Server
Task 49: Configure LAMP Server
Task 50: Install and Configure DB Server
Task 51: Install and Configure Web Application
Task 52: Install and Configure PHP-FPM
Task 53: Configure Nginx + PHP-FPM Using Unix Sock
Advanced / Load Balancers, Reverse Proxies & Databases
Task 54: Linux Nginx as Reverse Proxy
Task 55: Setup SSL for Nginx
Task 56: Install and Configure Nginx as an LBR
Task 57: LEMP Troubleshooting
Task 58: Install and Configure HAProxy LBR
Task 59: HAProxy LBR Troubleshooting
Task 60: Install and Configure PostgreSQL
Task 61: MariaDB Troubleshooting