CentOS

Hi, I am confused (not that abnormal for me), I just configured a new server instance of Cnetos 8 to replace existing Centos 6.10 host via a migration. On the old host I could ssh into the system and then issue sudo -I and be authenticated as root without needing to supply a password. I cannot get t...

Thanks Teleport, I've already tried that - you "can" use "in-addr.arpa" and the log then looks right but no change to my problem. Moreover naming the file "in-addr.arpa" is not standards consistent - at least to my reading of a number of sources. I'm at a complete loss to work this out. Seems a pure...

All, I am going barking mad with this - I have forward mapping working fine, but my system simply refused to add in the reverse mapping. Anyway can someone with a clearer head and more knowledge have a look at my configs and see if they can point me in the right direction. I've setup the keys and pe...