Solution to Oracle startup failure caused by IP address modification in linux

In linux, Oracle cannot be started due to IP address modification. The main issue is to modify the/etc/hosts configuration file. Configuration before modification: www.2cto.com 127.0.0.1 localhost192.168.2.50 CCXFIT-DBSERVER # The following lines are desirable for IPv6 capable hosts: 1 localhost ip6-localhost: 0 ip6-loopbackfe00: 0 ip6-localnetff00: 1 ip6-mcastprefixff02 :: 2 ip6-allroutersff02: 3 ip6-allhosts after modification configuration: 127.0.0.1 localhost192.168.1.55 CCXFIT-DBSERVER # The following lines are desirable for IPv6 capable hosts: 1 localhost ip 6 localhost ip6-loopbackfe00: 0 ip6-localnetff00: 0 ip6-mcastprefixff02: 1 ip6-allnodesff02: 2 ip6-allroutersff02: 3 ip6-allhosts after modification, restart Oracle, you can. Source http://www.blogjava.net/zhyiwww