CELL19 python 3 is installed: lrwxrwxrwx 1 root root 9 Oct 8 00:08 /usr/bin/python3 -> python3.6 -rwxr-xr-x 2 root root 11336 Oct 1 23:35 /usr/bin/python3.6 -rwxr-xr-x 2 root root 11336 Oct 1 23:35 /usr/bin/python3.6m CELL28 limits: /etc/security/limits.conf * soft nofile 100000 * hard nofile 655360 * soft nproc 131072 * hard nproc 131072 * soft core unlimited * hard core unlimited * soft memlock 50000000 * hard memlock 50000000