Process Dumper is able to make a dump of a running process in a forensical manner. Linux version.
You can download it from the following link: https://packetstormsecurity.com/files/download/88835/pd_v1.1_lnx.bz2
Source: https://packetstormsecurity.com/files/88835/Process-Dumper-1.1-Linux-Version.html