On Mon, 20 Nov 2017 01:42:30 +1100, Ian Smith wrote: > But then if you signal sigusr1 (kill -USR1 /var/run/blacklistd.pid) it Sorry, that should be "# kill -s USR1 `cat /var/run/blacklistd.pid`" from either csh (builtin) or sh (/bin/kill). cheers, Ian