• Steps to safely remove Linux kernels (Ubuntu)

    Note: Please understand, these instructions can make your system non-bootable. If you’re unsure, do not continue. If you’re trying to update the kernel and low/empty disk space errors are shown, it’s probably because the /boot/ directory is full. Use this command to see the available space of /boot/: sudo df -h Now check the kernel ...
  • Test your system for Spectre and Meltdown vulnerabilities

    Following the outbreak of three processor vulnerabilities, known as Spectre and Meltdown; I have already patched my systems and whilst doing so, came across this useful script written by Speed47. This script checks your system for the three vulnerabilities. I found it useful to check my systems were secure after applying kernel updates. To run ...
  • Version 2.0.0: Backup MySQL (Bash script)

    This is similar post to be read together with this. And a follow-up update to ‘Backup SQL files to FTP server‘ script. Some of my similar Backup scripts reside in a a GitHub here: https://github.com/ryanfitton/lxc-mysql-tar-backup-script-collection Version 2.0.0, now adds additional features and bug fixes: Now searches to ensure the required packages are installed. Uses ‘lftp‘ ...