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Cron Tab for Odd or Even days only

Cron tab tasks are easy to do after you learn the syntax. Until I understood how to schedule tasks with cron, I have googled a lot, every time I needed to do something in cron. Today, I will show you

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15 Basic Commands Every Linux and Unix User Should Know How to Use

In this article I will show you 20 commands every Linux and Unix users should know how to use. The order of this commands is random. Probably ls and cd are the most used Linux and Unix commands. 1. ls <list>

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How to set the SetUID and SetGID bit for files in Linux and Unix

The setuid (set user id) is a permission bit, that allows the users to exec a program with the permissions of its owner. The setgid (set group id) is a bit that allows the user to exec a program with

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How to use the sticky bit in Linux and Unix

The sticky bit is set on directories to forbid all the users in the system to rename or delete the directory or the files/directories inside the directory, except the owner and root, even if they have 777 permissions. To set

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How to change file and folders permissions with chmod – part 2

Previously, I have showed you how to change the file and folder access rights, by using the symbolic method. In this article I will show you how to change the file permissions in the octal mode (with numbers). The chmod

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How to change file and folder permissions with chmod – part 1

Permissions can be set in the octal mode (with digits), or with letters. In this article, we will change the file and folder access rights in the human readable representation with chmod. In Linux and Unix systems, the file and

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