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29 October 2026

Chmod Cheat Sheet: 755 vs 777 vs 644, Explained in One Table

Nathaniel Miller

chmod 755 lets the owner read, write and execute, and lets everyone else read and execute. chmod 644 lets the owner read and write, and everyone else only read. chmod 777 lets everyone do everything, which is almost never what you want. Those three numbers cover most permission changes you will make on a Linux […] Read More: Chmod Cheat Sheet: 755 vs 777 vs 644, Explained in One Table

Enterprise Linux System Administrator
5 December 2017

All Things #LinuxSecurity: What is SELinux and what can it do for you?

Dan Goodman

photo cred: major.io What is SELinux and what can it do for you? In this week’s Vblog, Dan Goodman dives deep into all things  Linux Security, what it can and can’t do for you as a user and the process of implementation in your system. (scroll down for video) SELinux: The Basics and What it […] Read More: All Things #LinuxSecurity: What is SELinux and what can it do for you?

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