Hiphop has a built-in admin server that has a lot of useful functions. I found out about it on an old post on the Hiphop blog . Since those times Hiphop has moved towards using an ini file instead of a config.hdf file. On a standard prebuilt HHVM on Ubuntu you should find the ini file in /etc/hhvm/php.ini Facebook maintains a list of all the ini settings on Github . It is into this file that we add two lines to enable the admin server: hhvm.admin_server.password = SecretPassword hhvm.admin_server.port = 8888 I then added a server to Nginx by creating this file: /etc/nginx/conf.d/admin.conf (by default Nginx includes all conf files in that directory): server { # hhvm admin listen 8889; location ~ { fastcgi_pass 127.0.0.1:8888; include fastcgi_params; } } Now I can run curl 'http://localhost:8889' from my shell on the box to get a list of commands. Because I host this project with Amazon and have not set up a ...