In this lesson we’re going to talk about how to work with default Linux permissions (umask command). In my previous articles, I had explained following concepts and I would request you to read that guide first. Understanding Linux File Permissions Special File Permissions in Linux Default Linux Permissions Now you may have noticed that whenever …
In this lesson we’re going to discuss file and directory ownership (chown command) within the Linux file system. Now to effectively control who is allowed to do what with the files and directories in the file system you first have to consider who owns each file and directory. So, let’s begin this lesson by discussing …
In this lesson we’re going to discuss special file permissions. In my previous article, I had explained how the Linux Permission works and I would request you to read that guide first. Introduction Now honestly most of the time when you’re working with permissions on a Linux system, you’re going to be working with the …
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 …