"free-hack-quest" of "fhq" it is a web-engine for running CTF-challenges

for install and/or updates in linux:

copy script "update_sources/run_update.sh" to home folder and run as sudo script used git and it needed install.

for example: $ sudo ./run_update.sh

php-script was installed(or updated) to /var/www/fhq

also you can use 'cron' for autoupdates