By default, Linux packages are provided for Ubuntu, and very often for Debian too. Check the manual for installtion instructions.
The Linux packages provided above were compiled against stock installations of the respective distribution. Contact KryptoKoder if you need a package for different Linux distribution or a different OS.
Alternatively, there is also a docker image:
docker run -it kryptokoder/mypdfsigner /bin/bash
These modules are, in general, only available for Linux. The Command Line Tool should also be installed since it installs a shared library that these modules depend on.
The modules provided above were compiled against stock installations of Fedora, Ubuntu, Debian or FreeBSD, i.e., the versions of PHP, Ruby and Python were the default ones for those systems. Contact KryptoKoder if you need modules for different versions of your scripting language, different distros or a different OS.
Alternatively, there are also docker images:
docker run -it kryptokoder/mypdfsigner-[php|python|ruby] /bin/bash