To see which keytab server your client is trying to authenticate, you can run these commands.
export KRB5_TRACE=/dev/stdout
kinit -k -t username.keytab username@EC2.INTERNAL -V
To see which keytab server your client is trying to authenticate, you can run these commands.
export KRB5_TRACE=/dev/stdout
kinit -k -t username.keytab username@EC2.INTERNAL -V