Generate PGP (GPG) keys on a (Synology) Webserver

System set up

remove PHP exec() directory limitation:

Although when safe mode is off, php seems still to care about exec directory limitations. To correct, go to /usr/syno/etc/php/user-settings.ini and set

safe_mode_exec_dir =

restart httpd with

/usr/syno/apache/bin/httpd -k restart