Problem
When doing an update, I got the warning below:
update-initramfs: Generating /boot/initrd.img-4.0.9-040009-generic Warning: No support for locale: en_US.utf8
Solution
user@machine $ ls /usr/lib/locale/
C.UTF-8 locale-archive
user@machine $ sudo locale-gen –purge –no-archive
Generating locales…
en_AG.UTF-8… done
en_AU.UTF-8… done
en_BW.UTF-8… done
en_CA.UTF-8… done
en_DK.UTF-8… done
en_GB.UTF-8… done
en_HK.UTF-8… done
en_IE.UTF-8… done
en_IN.UTF-8… done
en_NG.UTF-8… done
en_NZ.UTF-8… done
en_PH.UTF-8… done
en_SG.UTF-8… done
en_US.UTF-8… done
en_ZA.UTF-8… done
en_ZM.UTF-8… done
en_ZW.UTF-8… done
om_KE.UTF-8… done
Generation complete.
user@machine $ ls /usr/lib/locale/
C.UTF-8 en_AU.utf8 en_CA.utf8 en_GB.utf8 en_IE.utf8 en_NG en_PH.utf8 en_US.utf8 en_ZM om_KE.utf8
en_AG en_BW.utf8 en_DK.utf8 en_HK.utf8 en_IN en_NZ.utf8 en_SG.utf8 en_ZA.utf8 en_ZW.utf8
References
How-to fix “Warning: No support for locale: en_US.utf”
apt-get warning: No support for locale: en_US.utf8
apt-get warning: No support for locale: en_US.utf8
Linux Mint: “Warning: No support for locale: en_US.UTF-8” in update-initramfs