Using and creating containers using Docker is cool. Docker has 7 different ways to set up networks within it. In this lab, I'm going to show you 2 - the Default and the User Defined networks to experiment with. The rest will come with more time in the saddle. Have a look and I hope you enjoy it! Requirements: VMNew Ubuntu ...

Ubuntu Login Failure - Yikes! Encountered a pretty scary problem logging into my Ubuntu machine this morning. While updating the software, everything froze at 28%. I let it sit for a while to see whether it would resolve or not....it didn't. After several attempts to perform an elegant shutdown, I reverted to an 'inelegant' shutdown. When I ...

Cybersecurity focus on Linux This project was part of the Cybersecurity certification. The process involved verifying permissions on the /etc/shadow file and creating user accounts incorporating 16-character passwords (not a user favourite is it?) with numbers and symbols expiring every 90 days. Also appended the Admin user to ensure as the ...

Do you wonder what goes on when you are sleeping? (Or working. Or editing. Or watching attempts 'live' on screen as you write about it.) This website, at the time of writing, was literally a few days old. Fortunately, I have taken some precautions and used complex passwords. I can't help but feel a sense of violation. There are people out there ...