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CentOS Networking
Manually configure network
Change firewall settings
Configuration in /etc/sysconfig/iptables-config
Rules in /etc/sysconfig/iptables
Disable ipv6
Edit /etc/sysconfig/network and set “NETWORKING_IPV6” to “no”
Change the hostname
Change HOSTNAME
in /etc/sysconfig/hostname
Restart network
init script.