Linux Training Practice Tasks

Beginner Level

1. File & Directory Management

1. Display your current working directory
2. List all files including hidden files
3. Create a new directory named "practice"
4. Create a text file inside the directory
5. Edit the file and add sample content
6. Copy the file to another name
7. Rename the copied file
8. Delete the renamed file

2. Permissions & Ownership

9. View file permissions in a directory
10. Change file permissions to allow execution
11. Restrict file access to owner only
12. Change ownership of a file
13. Change group ownership of a file

3. User Management

14. Create a new user account
15. Set password for the user
16. Switch to the new user
17. Add the user to sudo group
18. Remove the user account

4. Process & System Monitoring

19. View currently running processes
20. Monitor system performance
21. Identify high CPU usage process
22. Terminate a running process

5. Service Management

23. Check status of a running service
24. Start a stopped service
25. Stop a running service
26. Restart a service
27. Enable a service at system startup

6. Networking Basics

28. Check system IP address
29. Test internet connectivity
30. View open ports
31. Display active network connections
32. Test a local web service

7. Disk & Memory Management

33. Check available disk space
34. Find size of a directory
35. Check memory usage
36. Check CPU load

Intermediate Level

8. File Search & Text Processing

37. Search for a keyword inside multiple files
38. Count number of lines, words, and characters
39. Sort file content alphabetically
40. Remove duplicate lines
41. Extract specific columns from a file

9. Compression & Backup

42. Create a compressed backup of a directory
43. Extract a compressed archive
44. Schedule automatic backups
45. Verify backup integrity

10. Environment & System Configuration

46. View and modify environment variables
47. Change default shell for a user
48. Configure system hostname
49. Create command aliases
50. Configure timezone and date

11. Log Management

51. Locate system log files
52. View recent system logs
53. Monitor logs in real time
54. Search logs for errors
55. Archive old log files

12. Networking & Firewall

56. Check firewall status
57. Allow a service through firewall
58. Block a specific port
59. Test firewall rules
60. Configure basic port forwarding

13. Automation & Scheduling

61. Create a shell script
62. Make the script executable
63. Schedule a cron job
64. Log scheduled job output
65. Debug failed cron jobs

14. Package Management

66. Install a software package
67. Update installed packages
68. Remove unused packages
69. Search for packages
70. View installed packages

Advanced Level

15. Server & Web Management

71. Configure a web server
72. Host multiple websites
73. Enable SSL certificates
74. Configure virtual hosts
75. Troubleshoot web server issues

16. Storage & File Systems

76. Create and mount partitions
77. Configure permanent mounts
78. Manage swap space
79. Monitor disk I/O
80. Recover corrupted file systems

17. Security Hardening

81. Secure SSH access
82. Disable root login
83. Configure fail2ban
84. Audit user activity
85. Implement basic intrusion detection

18. Performance Optimization

86. Analyze system bottlenecks
87. Optimize memory usage
88. Tune kernel parameters
89. Optimize running services
90. Benchmark system performance

19. Containers & Virtualization

91. Install container engine
92. Create custom containers
93. Manage container networking
94. Persist container data
95. Monitor container resources

20. Disaster Recovery

96. Implement full system backups
97. Test restore procedures
98. Create recovery documentation
99. Simulate failure scenarios
100. Implement high availability setup