emil@rpivideoteos:~$ sudo apt install bash-completion
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following NEW packages will be installed:
  bash-completion
0 upgraded, 1 newly installed, 0 to remove and 5 not upgraded.
Need to get 234 kB of archives.
After this operation, 1560 kB of additional disk space will be used.
Get:1 http://deb.debian.org/debian bullseye/main arm64 bash-completion all 1:2.11-2 [234 kB]
Fetched 234 kB in 0s (3937 kB/s)
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = (unset),
        LC_ALL = "en_US.UTF-8",
        LANG = "en_US.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
Selecting previously unselected package bash-completion.
(Reading database ... 21007 files and directories currently installed.)
Preparing to unpack .../bash-completion_1%3a2.11-2_all.deb ...
Unpacking bash-completion (1:2.11-2) ...
Setting up bash-completion (1:2.11-2) ...
/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8)