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Recently the 13″ MBPr got upgrade to macOS Sierra 10.12. If I want to let it can act as remote X11 server of Ubuntu 14.04 (my main working VM in intranet), I have to install a X.Org X Window System that runs on macOS.

XQuartz is for this purpose , see https://www.xquartz.org/.

Then the file /etc/ssh/sshd_conf needs to be modified, and the ssh service needs up. After ssh to Ubuntu, there are some error/warning messages:

Last login: Thu Oct  6 14:32:12 2016 from 10.0.0.1
manpath: can't set the locale; make sure $LC_* and $LANG are correct
linkirin@trusty:~$ gvim
Fontconfig warning: ignoring UTF-8: not a valid region tag

To fix these, add two more lines in the file:

linkirin@trusty:~$ cat /etc/default/locale
LANG="en_US.UTF-8"

linkirin@trusty:~$ cat /etc/default/locale
LANG="en_US.UTF-8"
LANGUAGE="en_US.UTF-8"
LC_ALL="en_US.UTF-8"

Reference links:

• About X11 and OS X – https://support.apple.com/en-us/HT201341
• Can’t run “ssh -X” on MacOS Sierra – http://stackoverflow.com/questions/39622173/cant-run-ssh-x-on-macos-sierra

That makes my left hand has easier life…

I choose this:

sudo vi /etc/default/keyboard

then change

XKBOPTIONS="ctrl:nocaps"

referrer links:

• The Flat Trantor Society: Where should the control key be?
  http://the-flat-trantor-society.blogspot.tw/2013/12/where-should-control-key-be.html
• keyboard – How do I turn Caps Lock into an extra Control key? – Ask Ubuntu
  http://askubuntu.com/questions/462021/how-do-i-turn-caps-lock-into-an-extra-control-key

Since the blog channel is gone and my ranking is not in top 10 anymore…

So, you will see a lot posts shared under “trs” category. The personal posts are still under “LinkedIn” category, but not synced to my LinkedIn.