127.0.0.1 localhost
# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts

87.107.132.77   masterold
87.107.132.78   workerold

192.168.1.6    master1
192.168.1.73   worker1
192.168.1.254  worker2
192.168.1.254  worker3

31.7.74.79      master1ip