Linux: Disable Bluetooth on startup

Add the following to /etc/rc.local:

(sleep 3 && echo disable > /proc/acpi/ibm/bluetooth)&

Bluetooth icon will be active for a few seconds, then turn gray.

Ubuntu 18.04 uses systemd to manage services.

There are basically two commands for listing all services and manipulating the state of a certain service: service and systemctl:

• service manages System V init scripts
• systemctl control...

Note that you should disable the Java plug-in in your browsers after installation.

Ubuntu >= 12.04

Java 11

sudo a...

Although you can access many symbols using the AltGr key you may be missing some, like the en-dash (–) or em-dash (—). You can use a compose key for them instead...

When using gnome-open (i.e. double-clicking a file, telling to browser to open a download, etc.) on Ubuntu you may get this error:

The location is not a folder.

It's due to the exo-utils package which [does not play nice with gnome-open]...

Boot partitions from installations prior to the 16.04 era are terribly small. When you install updates and encounter errors due to a full /boot partition, consider risizing it.

If you can't do the steps described below, ask someone experienced ...

Option 0: Download from the official page (preferred)

• Open https://googlechromelabs.github.io/chrome-for-testing/
• In Section "Stable" > chromedriver / linux64 > Download ZIP from URL
• Take the chromedriver binary from the ZIP file and ...

Ubuntu has a package mysql-sandbox that lets you install multiple MySQL versions into your user home:

1. Install mysql-sandbox

sudo apt install mysql-sandbox

2. Download the version of MySQL you want to use from mysql.com:
   <https://...