There are some tricks I do a long time ago then I forget or want to share:

Save time with history expansion

First daily use case, I want to run a command but I forgot to make it as root user.

$ ls /root/
ls: cannot open directory /root/: Permission denied
$ sudo !!
sudo ls /root/
file1 ...

In my mind the master word of Docker is Fashion. So let's docker my blog ! It is a relativy a simple webapp, perfect for test Docker and micro-service architecture.

I won't make a new explanation of what are Docker and containers. For this kind of informations see the official doc. The great things ...