Linux

It sounds like you don't have the GD extension installed. I don't use Ubuntu any longer, but I think it may be named php5-gd,...

Grub Customizer is a great application, it allows you to add or edit menu entry and change the default OS boot with GUI....

Command line interface for testing internet bandwidth using speedtest.net How to check Internet Speed via Terminal?

Dell docking station (D3100) not detecting monitors, We had the same issue. Make sure you install the driver

In the event that something bad happens and you need to restore your WordPress blog from this backup, you could extract the files and replace what you currently have, then import the SQL file into MySQL. This is a full snapshot, not an incremental backup. Conclusion