Ubuntu MATE: Add a new panel

For some years Google Chrome has allowed you to add desktop icon for any web page by going to Tools / Add to desktop. Unfortunately this doesn't work reliably on Ubuntu MATE with recent Chromes: The icons could not be moved away from the desktop...

To open a terminal quickly navigate to System → Preferences → Keyboard Shortcuts. There, click the "Run a terminal" row (It should be in the "Desktop" section) and press the keyboard shortcut you like.

If you cannot find such an entry you may nee...

• Run dconf-editor (as your user)
• Go to org / mate / panel / objects / clock / prefs
• Change the key format to custom
• Change the key custom-format to a strftime format string

A good, s...

Given there is a user with an attachable avatar:

class User < ApplicationRecord
  has_one_attached :avatar
end

If you want to add a preprocessed version follow these steps:

1. Add the named version and deploy

class User < A...

In older Ubuntu releases you could ALT+drag any panel bar to another position and/or monitor. In Ubuntu 11.04 Natty you need to perform the steps from the attached article instead:

1. Right-click on the panel to access the panel properties
2. Unc...

If you use awesome 3.5, and a gnome or mate panel, the panel will often receive focus when you switch desktops. As a workaround:

1. Add this rule to your rc.lua:

   { rule = { class = "Mate-panel" }, properties = { ontop = true, focusable ...
   

Sometimes you need to restart the Gnome panel, e.g. when you installed a new Gnome panel widget but the widget list was cached before.

You often don't want to do sign out and back in for this.
Instead, just run:

killall gnome-panel

This ...

Say you want to move a git repository from one remote (perhaps Github) to another (perhaps Gitlab).

If you have the repo checked out, you still should make sure to mirror all branches of the old remote, not only those you happen to have checked o...

Firefox 5.0.1, which we were using for most Rails 2.3 projects, does not run on Ubuntu 14.04 any more. Here is how to update affected projects.

1. Update (or create) .firefox-version with the content: 24.0
   If you haven't installed Firefo...

We're usually running Ubuntu LTS versions. Sometimes newer hardware requires packages from more recent Ubuntu releases that only come with 6 months of support. If there is really no other way, it's possible to install packages from later Ubuntu re...