remove locale ubuntu

 var/lib/locales/supported.d/

lots of lang

rm unneeded

 

/etc/default/locale 

 update-locale LANG=en_US.UTF-8

/usr/share/i18n/SUPPORTED

 

cat /etc/locale.gen 

 sudo locale-gen

sudo  locale-gen --purge en_US.UTF-8
 

locale -a
localedef --list-archive
localectl list-locales

sudo nano  /var/lib/locales/supported.d/en   
en_HK.UTF-8 UTF-8
en_DK.UTF-8 UTF-8
en_IN UTF-8
en_IL UTF-8
en_ZM UTF-8
en_ZW.UTF-8 UTF-8
en_NZ.UTF-8 UTF-8
en_PH.UTF-8 UTF-8
en_NG UTF-8
en_US.UTF-8 UTF-8
en_GB.UTF-8 UTF-8
en_AU.UTF-8 UTF-8
en_SG.UTF-8 UTF-8
en_BW.UTF-8 UTF-8
en_AG UTF-8
en_ZA.UTF-8 UTF-8
en_CA.UTF-8 UTF-8
en_IE.UTF-8 UTF-8

comment or remove unnecessary lines

ls   /var/lib/locales/supported.d/
  en (rip other lang)

sudo locale-a 

 Generating locales (this might take a while)...
  en_US.UTF-8... done
Generation complete.

sudo dpkg-reconfigure locales (does same locale -a)
Generating locales (this might take a while)...
  en_US.UTF-8... done
Generation complete.

##finally 

src::

https://askubuntu.com/questions/1154895/how-to-remove-system-locales

https://wiki.archlinux.org/index.php/locale

https://www.linuxquestions.org/questions/blog/bittner-195120/remove-unwanted-locales-on-ubuntu-debian-3281/