Aahhh the PC boot process! This magic sequence that transform your pc from a useless piece of metal and plastic in a fastastic machine capable (in the right hands) of opening any door around the world! Have you have wondered how this happen? well in this article (and in the next one) I want to explain in details how the PC boot process works. In particular we will start from MBR (still used in some older system).. and in the next we will move to UEFI. Continue reading “PC boot process – BIOS with MBR”
Base64 and “echo” command
As we saw in the previous post, secrets in Kubernetes are passed and stored in base64 form. However when i was trying to do so, I run in a lot of problems, such as not escaped characters, wrong username, wrong password ,etc. At the end I found out the reason and I think is nice to report it in this quick post. So, lets see… Continue reading “Base64 and “echo” command”
Add Message of the day to RPI
Recently I wanted to add a message of the day (MOTD) to my RPI. Basically every time I login i want to see the some info as shown in the picture. Continue reading “Add Message of the day to RPI”
Keep Linux process running…
Today, I wanted to show a quick Shell script in linux that make sure that my processes are always running… I know, I know… There is “Systemd” with “systemctl” command that take care of that… but what if we do not want to use Systemd or we need to manually force always running services, or we just are looking for to another alternative? how to do that? Continue reading “Keep Linux process running…”