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How to set up Ubuntu on a MacBook Pro
It was fun while it lasted...
These instructions were tested on a MacBook Pro Mid 2014.
Should —probably— work just fine on other MacBooks.
If you install Ubuntu on a MacBook, you’ll soon find a small —but highly irritating— set of behaviours:
- The Alt and Cmd keys are swapped out (using a PC keyboard as a reference).
- The function keys are swapped out with the multimedia keys.
- Cannot easily copy & paste on the CLI with the laptop’s keyboard.
- The trackpad behaves erratically.
- You can hardly read anything on the screen or…
- Maybe the UI size is too big and you’d want to adjust it to your liking.
If this sounds like your kind of problems, then keep reading, solutions are ahead.
Right now, the only issue without a solution is the integrated webcam. It does not work.
Swap Cmd and Alt keys
If you’d like your Alt key where it usually is on every PC —except Macs. With immediate effect, but temporary:
echo 1 | sudo tee /sys/module/hid_apple/parameters/swap_opt_cmd
Make it permanent:
echo options hid_apple swap_opt_cmd=1 | sudo tee -a /etc/modprobe.d/hid_apple.conf sudo update-initramfs -u -k all
Enable function keys
This will make your function keys available by default. To use your multimedia keys, you’ll now need to hold the fn key while pressing a multimedia one.
With immediate effect, but temporary:
echo 2 | sudo tee /sys/module/hid_apple/parameters/fnmode
This change is not permanent. To make it so:
echo options hid_apple fnmode=2 | sudo tee -a /etc/modprobe.d/hid_apple.conf sudo update-initramfs -u -k all
Copy & pasting
You can paste stuff using a 3-finger touch/click on the trackpad, after highlighting some text.
You can also use the mouse.
You could also configure a seldom used keyboard key to paste stuff.
What about using the Right Super key for pasting? —if you swapped the Cmd and Alt keys, it’s the one labeled as Alt now.
sudo apt install xkbset echo "" >> ~/.bashrc echo "xmodmap -e \"keycode 134 = Pointer_Button2\"; xkbset m" >> ~/.bashrc
It works just like when you highlight some text with the mouse then click the middle button to paste it somewhere else.
Whenever you highlight text with your mouse in Ubuntu, it is copied to a special buffer that you can paste from clicking the mouse’s mid button.
Pasting in the CLI is usually done with Shift + Ins, good luck finding the Insert key.
High DPI displays
If you are using i3, your screen’s text is probably way too small, to adjust the display scale you need to change the screen mode —resolution, if you will. Open a terminal and type:
xrandr --output eDP-1 --mode 1680x1050
If that is still too small, try with:
xrandr --output eDP-1 --mode 1440x900
What we did was to downscale the resolution from 2560x1600 to 1680x1050 —or 1440x900.
TIP ~ Back to login screen
On i3 you can close your session with: Shift + Super + E.
Super is the Windows key.
If you, somehow cannot press that combination, you can use —with caution, the next command:
kill -9 -1
This will terminate all the user processes, and get you back to the login screen.
- DO NOT execute it with
- DO NOT execute it if you have unsaved data.