File permissions help to keep files and folders secure. In this video, explore the basics of Linux file permissions.
- [Instructor] On a multi-user system, … there are many user and group accounts … that keep access to files and services separate. … And we can add our own users and groups to control … and grant access to resources. … We'll do that in a little bit. … But before we do, it's important to understand … how the system enforces security using users and groups. … It does that by reading permissions that are assigned … to every file and folder on the system. … In general, there are three kinds of access … that the system will enforce. … These are the ability to read a file, … the ability to write to a file, … and the ability to execute or to run it. … These restrictions or abilities are set … for three different kinds of roles. … A file can be given an owner, … which is a user that is said to own the file. … A file could also be assigned a group, … in order to allow members … of a given group certain access privileges. … And the permissions listing for a file … also has a category for others, …
- What is CentOS?
- Installing CentOS
- Configuring networking manually
- Configuring the network with NetworkManager
- Connecting remotely
- Working with security-enhanced Linux (SELinux)
- Setting up a firewall
- Setting up a web server
- Sharing user home folders with Samba
- Setting up a desktop environment
Skill Level Beginner
1. Getting Started
2. Basic Administration
3. Working with Security-Enhanced Linux (SELinux)
4. Working with Common Services and Applications
5. Using a Desktop
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