Musl

Alpine Linux uses musl as its C standard library.

Locale

To Fix unicode defaults: sed -i 's/#unicode="NO"/#unicode="NO"\nunicode="YES"/' /etc/rc.conf

Musl does not implement most of the locale features that glibc implements. The musl-locales provides the locale command and translations with varying degrees of completion.

The below command installs a limited set of locales (languages) for musl (C library) generated console messages.

# apk add musl-locales

To list defined locales use the below command:

locale -a

Todo: Need to check which of the below is correct:

This package includes a file in /etc/profile.d/00locale.sh. You'll need to re-login or source it manually for locales to work
Copy the default locale settings file /etc/profile.d/20locale.sh to custom override file/etc/profile.d/20locale.sh.sh so that the custom override file can be edited with nano /etc/profile.d/locale.sh.sh.

cp /etc/profile.d/20locale.sh /etc/profile.d/20locale.sh.sh

To pull in the translation packages of all installed packages:

# apk add lang

To list available hunspell dictionary packages, so that you relevant language dictionary can be added:

# apk list hunspell*

To list translation packages for your specific(xy) language:

apk list *-xy *-xy-*

For example, to list translation packages for Portuguese(pt) language:

apk list *-pt *-pt-*