In this lesson we’re going to talk about permissions. Now understand that managing ownership of files and directories only represents a part of what you have to do in order to control access to the Linux file system. Basically, ownership only specifies who owns what. Ownership does not say what that person can or can’t …
In this guide, you will learn How to set grub2 password in RHEL/CentOS 7/8. What is GRUB and What is its use? GRUB stands for Grand Unified Bootloader. In simple language, we can say that GRUB is a boot loader. When you power ON the system, you get a list where the system gives you …
As a Linux Administrator, You must know the importance of root User. Without root User, you cannot do any kind of configuration in Linux such as creating a partition, Configuring a service, and so on. That’s why root is also called as Superuser. Just think about what will happen if you forget the root user’s …