Category: Security

Prevent Files And Folders From Accidental Deletion Or Modification In Linux

Prevent Files And Folders From Accidental Deletion Or Modification In Linux

Some times, I accidentally “SHIFT+DELETE” my data. Yes, I am an idiot who don’t double check what I am exactly going to delete. And, I am too dumb or lazy to backup the data. Result?...

Encrypt And Decrypt Files From Commandline In Linux

An Easy Way To Encrypt And Decrypt Files From Commandline In Linux

Today, we are going to see how to encrypt and decrypt files from command line in Linux using a free utility named GNU Privacy Guard (shortly GPG or GnuPG). It is a command line encryption and signing...

Force Users To Use Strong Passwords In Debian, Ubuntu

How To Force Users To Use Strong Passwords In Debian, Ubuntu

A strong password must be comprised of at least 14 characters, including at least one special character, one numerical character, one uppercase and lower case letter. More importantly, passwords shouldn’t be easily predictable and shouldn’t...