Tutorial on how to use Fastmail as a smarthost with EXIM4.
How to display a pre-logon banner in Windows 10.
Setting a UEFI BIOS setup password on the Dell XPS 15 9560.
How to let the world know you own your Windows computer.
How to enable the UAC prompt for all admin actions and improve your security.
Output of the Linux command lshw on the Dell Mini 10V.
How To Reduce Your Vulnerability to Evil Maid Attack When You Have Disk Encryption
Installing and setting up Logwatch to audit your Ubuntu system
Creating an audit trail for sudo by sending an email every time sudo is used.