When I taught for Guru Labs, part of the students training was covering different ways of becoming the root user, such as using “su”, “sudo” and taking advantage of the wheel group. Login shells versus non-login shells were also covered. The idea was to help the student understand the real nature of the shell and [...]
I’ve been encountering an interesting issue recently with Debian running as a guest in side of VirtualBox on Windows XP. When I initially installed Debian, I told it to adjust the hardware clock to UTC. Of course, this was the mistake I made. Windows operating systems want the hardware clock set to local time, then [...]
I was writing some scripts this morning to help me keep the Unix and Linux server I administer at work up to date with their NTP time synchronization. As I was going along, I thought to myself, “I’d like to see some color in the output.” Thankfully, I already had the code in my ZSH [...]
