From here, here and here.

This is a quite common problem for the VirtualBox user: after some time, you find the original image disk size is not enough and want to make it larger. How to make it?

Here is some notes about Docker I learned today.

The following error happens when I run “apt-get dist-upgrade”:

Please read the post and watch the podcast.

How to make a program run automatically on startup under Ubuntu? Read the post and the solution.

On a server we know there is a database backup process which runs twice a day but there is nothing related in the “crontab -e” text content. Why?

From here.