Nagios Support Forum

Thanks for replying. One of the error was simply because the admin of the old server mixed up when he compressed the configuration files and replaced one of the .cfg by a .gzip to which he gave a .cfg extension - so obviously the verification failed. The second was that "max_check_attempts"...

Hi. As an intern I am tasked to migrate a Nagios 3 server on a defective ubuntu 14.04 VM to a new Nagios 4.3.2 server on a new debian stretch server. I've finished the install of Nagios 4 and it works, but I monitor only localhost. I'm trying the barbarian way (but safely, on a clone of the new VM) ...