With these commands you can quickly create a Bootstrap sub-theme with a Bootswatch.

You should be able to copy and paste them into your terminal, and create a fresh Bootswatch-based theme:

Just create the file ~/.vimrc with the content set "mouse=":

Insert in ~/.vimrc:

vi ~/.vimrc
set mouse=

Make it take effect

source ~/.vimrc

You can now select text with the mouse in Debian 9.

With Play It Slowly you can change the speed of the music without changing the pitch.

To install, download and extract the tar.gz file from https://29a.ch/playitslowly/

Then

cd playitslowly-1.5.1/
bash install.sh

You should now have Play It Slow installed on your machine, enjoy!

Create, drop and import a MySQL database using Drush for Drupal:

# Drop, create and import database, assumes database located one level up
drush sql-query "drop database DB_NAME_NEW;"
drush sql-query "create database DB_NAME_NEW;"
mysql -u root -proot DB_NAME_NEW < ../DB_NAME.sql

Sometimes it's nice to get an alert when your terminal has finished a task.

You need to have sox installed to play a sound with the "play" command:

sudo apt-get install sox

Add this to your ~/.bashrc file (remember to also source it) to play a sound and show the text "Ready" at the top of your screen:

I you are tired of new bookmarks in Firefox 58 going in the "Other Bookmarks" folder, you can change it with the Default Bookmark Folder add-on.

If your Ubuntu installation locks up as the graphical boot screen attempts to initialize, and you can't get access to your system after starting it up, booting into a previous version can be a help.

This can happen after updating to the the latest update to Linux 4.4.0-108 kernel, which included a fix for the Meltdown vulnerability.

If you want solid and efficient mail hosting, consider fastmail.com.

Here is a referral link, which gives you 10% percent discount the first year: https://www.fastmail.com/?STKI=16683993

Full disclosure: I get some referral credits from fastmail.com every time someone signs up via the link above.

If you try to install the Openclipart extension for Libreoffice in Ubuntu 16.04, you might get this error:

Failed to register package for vnd.sun.star.expand:$UNO_USER_PACKAGES_CACHE/uno_packages/lu8331jgzjaf.tmp_/openclipart.oxt/python

To fix it, install libreoffice-script-provider-python like this:

Here is an example of how you can set up a back up system for a Drupal web site with Drush. Daily backups are kept for a week, after which they are deleted, and the weekly, full backups are deleted after 30 days. This script comes with no warranties of any kind, as always, test thoroughly before using it.