#7 DevOps From Scratch | User Management and Permissions in Linux/Unix

In this video, we dive into how to manage users and manage their permissions.

Key learning points
1. Understanding the /etc/passwd and /etc/shadow files
2. Basic commands to create and delete users
3. Manipulating user groups
4. Learn about sudo, how to give a user sudo permission
5. Linux Permissions basics - permission groups and types
6. Permissions in octal form
7. Execute permission for directories
8. Using "stat" command to read octal permission of a file or folder
9. Using chown to change the ownership of files and folders

Chapters
00:00 RoadMap position
00:24 Why should I know this
01:21 User management
02:07 /etc/passwd and /etc/shadow
03:35 Exercise 1
03:49 Creating users
05:42 Exercise 2
05:48 Groups
06:30 sudo
09:21 Removing users
10:03 Linux Permissions
10:40 How permissions look like
11:45 What permission bits mean
12:55 chmod
15:40 Directory permission
18:00 Octal notation
19:30 chmod with octal
21:21 Use stat to get see permission
21:40 Ownership
22:19 chown

[eihcir]

Another great video! Learned so much. I always wondered why we do "chmod 777" Thanks Mansoor!!

[varshithakasireddy]

Thanks, just found your videos list. Amazing content keep going.

[deepgosaliya]

Have you covered all basic in these 29 video sir should I start with docker jenkins after completing these 29 videos

[devendrasahu]

Hello Mansoor,

Soory for disturbing you, but we are waiting for the next video, and we have long vacation week.
If you have time please push the videos.

Thanks