As I read in man page, it is recommended to put hostname(without domain name) to
For example, host instead of host.domainsub.domaintld.
But, as I know, some software relies on having
What should one specify in
/etc/hostname on Debian/Ubuntu machines?
If not FQDN, where FQDN should be specified instead?
I know, question is a bit old, but didn't found clear answer. Some people say hostname, some – FQDN. Thanks.