signals for sysadmin, fun and profit

[Jim Reid]

On 10 Jul 2012, at 11:55, Wietse Venema wrote:

Sending sighup to sendmail, postsuper, postqueue, etc. would not be  
productive.

Indeed.

Sending signals to daemons is a remarkably crude and mostly clumsy way  
form of inter-process communication. You can't even manage a bunch of  
servers with mail daemons (or whatever) from a central point using  
signals.