CentOSEncryption / DecryptionFAQLinuxLinux BasicsLinux Tips & TricksSecurityTips and TricksTrouble shootingHow To Password Protect GRUB Bootloader In Linux By sk April 1, 2017 By sk April 1, 2017 7.4K views 5 mins readThis guide explains how to password protect Grub bootloader in CentOS 6.x and CentOS 7.x operating systems. Read more 1 FacebookTwitterLinkedinRedditWhatsappTelegramEmail