Linux
1. Understanding umask in Linux
2. Disk Usage (df, du)
3. Memory Usage (free Command)
4. Uptime & Load Average Explained
5. Bash Scripting Basics
6. Cron Jobs (crontab)
7. Loops & Conditions in Bash
8. Shell Variables
9. Automation Using Shell Scripts: A Detailed Explanation
10. SSH Key Authentication
11. chown
12. chmod Command
13. sudo Privileges in Linux
14. groupadd / groupdel in Linux
15. User Management in Linux: useradd and userdel?
16. ?pwd Command in Linux
17. ?rm Command in Linux
18. ?mv Command in Linux
19. System Logs (journalctl)
20. Mount & Unmount in Linux
21. LVM (Logical Volume Manager)
22. Hardware RAID vs Software RAID
23. RAID Concepts (Redundant Array of Independent Disks)
24. File System Types in Linux (ext4, XFS, Btrfs)
25. Linux Storage Architecture
26. How to Design Storage Architecture for a Real Server (Step by Step)
27. Summary of the example design
28. how to create RAID arrays in Linux using mdadm
29. top & htop in Linux
30. Ping & Traceroute
31. MTR (Real Time Traceroute + Ping)
32. How to Troubleshoot Network Issues Using MTR
33. MTR vs Traceroute vs Tracepath
34. The Shell Variables and Environment
35. obtaining Linux
36. General rules
37. Kali Linux
38. Traps
39. Linking Commands
40. Shell Redirection
41. Bash Loops
42. Conditionals Execution (Decision Making)
43. comparison between Linux and Unix
44. Getting Started With Shell Programming
45. Shell Script
46. How do you use the shell
47. Linux Kernel
48. Why shell scripting
49. Where can I download Linux
50. Who created Linux
51. Introduction
52. Linux distribution
53. 25 basic Linux commands for beginners
54. Linux commands
55. Linux directory hierarchy structure
56. permissions in Linux
57. soft and hard links in Unix/Linux
58. ls command in Linux
59. touch command in Linux
60. cp command in linux
61. Advanced file permissions in Linux
62. Understanding package managers and the system in Linux
63. installing and managing packages
64. Linux firewall
65. Setting up a firewall in Linux
66. Understanding the grep Command in Linux