webserver@one:~/www/movim$ git submodule init
Submodule 'moxl' (git@github.com:movim/moxl) registered for path 'moxl'
webserver@one:~/www/movim$ git submodule update
Cloning into '/home/webserver/www/movim/moxl'...
The authenticity of host 'github.com (192.30.253.113)' can't be established.
RSA key fingerprint is SHA256:nThbg6kXUpJWGl7E1IGOCspRomTxdCARLviKw6E5SY8.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'github.com,192.30.253.113' (RSA) to the list of known hosts.
Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.
fatal: clone of 'git@github.com:movim/moxl' into submodule path '/home/webserver/www/movim/moxl' failed
Failed to clone 'moxl'. Retry scheduled
Cloning into '/home/webserver/www/movim/moxl'...
Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.
fatal: clone of 'git@github.com:movim/moxl' into submodule path '/home/webserver/www/movim/moxl' failed
Failed to clone 'moxl' a second time, aborting