How to post from Bash:

alias queet='function _queet() { echo -e status="$@" | curl -u user:password --data-binary @- https://quitter.es/api/statuses/update.xml; }; _queet'

via: http://imojito.com/post-to-gnusocial-quitter-command-line.html

swap in your server name and your user/pass.