A common request for hosting companies is the guarantee of uptime on hosts and services. Naturally, this is very hard to guarantee, because servers go down in the middle of the night, and without good reason. So what are you going to do? Sit there all night, visit the websites to confirm they’re working? Ping the servers all night long, checking for downtime? Luckily tools exist to monitor your hosts, and today I’ll write a bit about our journey integrating one of them, Nagios into our preferred communications channel - slack.