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| \cp /etc/hosts{,.bak}
cat >/etc/hosts<<EOF
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
172.16.1.5 lb01
172.16.1.6 lb02
172.16.1.7 web01
172.16.1.8 web02
172.16.1.9 web03
172.16.1.51 db01 db01.etiantian.org
172.16.1.31 nfs01
172.16.1.41 backup
172.16.1.61 m01
EOF
|