The Boss BR-80 is a very handy little recording tool. To export MTR files to Ubuntu in Wave-format, you need to use a Windows program called BR WAV Converter v3.1 (PC), running it with Wine.
Since version 40, Opera has offered a built-in VPN solution in their browser: "In April, Opera added a free, unlimited VPN to the developer edition of its browser. Now, the company has brought that same capability to the stable version of its Opera 40 desktop browser."
Drupal has a flood protection feature, which bans a user after a number of failed login attempts:
"Drupal 7 prevents brute force attacks on accounts. It blocks login by a user that has more than 5 failed login attempts (within six hours) or an IP address that has more than 50 failed login attempts (within one hour)."
The Keyword field in Firefox Bookmarks can be used to create shortcuts and smart searches. For some reason, sometimes if you define a new keyword, the latest keyword will be deleted. Keeping track of your keywords is hard though, since there isn't a way to list all keywords in use...
If you try to create a custom shortcut with <Super> + M (Super is the Windows key), it might be ignored, since that shortcut is already taken by the Gnome Shell.
To fix this, simply reassign the short cut with the command below.
Check if Super + M is already taken, and remove it:
$ gsettings list-recursively org.gnome.shell.keybindings | grep Super
If you want to stop Evolution from running in the background, even if you don't use it, and save some RAM, here is a quick way. Supposedly, you can't un-install it, since other programs depend on it. But by preventing the file from being executed you can prevent it from starting.
Log in as root with sudo -i first, run these commnands, and reboot for it to take effect:
If you use the default version of Nemo with Ubuntu 16.04, it crashes if you open a new tab while other files are selected. Upgrading to Nemo 2.8.7 fixes this bug.