We were getting error below, and the reason was that localhost entry in /etc/hosts was missing.
admin@redhet:/#save /usr
61261:save: Failed initialize ports from nsrexecd on "redhet"
39078:save: RAP error: Service not available.
4196:save: Failed to get port range from local nsrexecd: Service not available.
3817:save: Using networker-server as server
/usr
/usr/psomt
[...]
admin@redhet:/#save /usr
61261:save: Failed initialize ports from nsrexecd on "redhet"
39078:save: RAP error: Service not available.
4196:save: Failed to get port range from local nsrexecd: Service not available.
3817:save: Using networker-server as server
/usr
/usr/psomt
[...]