Slow SSH login SSH2_MSG_SERVICE_ACCEPT received
After installing new VM, my login to the server was with delay after entering the username. The ssh -v logs shows as follow: # ssh -v root@newserver ... debug1: SSH2_MSG_NEWKEYS received debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey,gssapi-keyex,gssapi-with-mic,password ... and delay were happening at SSH2_MSG_SERVICE_ACCEPT received debug line, This server being recently installed, it even couldn't resolve its own hostname: # ping newserver.example.com ^C # So for me I needed to add the new VM FQDN to dns server or to /etc/hosts file of the server: # vim /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 10.18.20.32 newserver.example.com newserver And issue resolved. Even though disabling useDNS in sshd config file was solv