On Tue, 31 Mar 2020, Divine Tanyingoh wrote: >On centos 6 I cannot ping the hostname and get a >reply without first resolving in the /etc/hosts file by adding a new entry: >192.168.0.47 server1.example.com. > >But for centos 7 I am able to ping the hostname and get a reply even when I >have not made any changes to the /etc/hosts file. Why is there this >difference between centos 6 vs 7. Sounds like mDNS/Avahi is not being used/referenced on/by 6. /mark