CentOS6.2 system yum way to install and configure LNMP environment

1. Configure the firewall, open port 80 and port 3306 vi /etc/sysconfig/iptables -A INPUT -m state –state NEW -m tcp -p tcp –dport 80 -j ACCEPT (allow port 80 through the firewall) -A INPUT -m state –state NEW -m tcp -p tcp –dport 3306 -j ACCEPT (allow port 3306 through the firewall) Special reminder: Many netizens add these two rules to the last line of the firewall configuration, causing the firewall to fail to start. The correct one should be added below the default port 22 rule After adding, the firewall rules are as follows: #################################################### ####### # Firewall configuration written by system-config-firewall # Manual customization of this file is not recommended. *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -A INPUT -m state –state ESTABLISHED,RELATED -j ACCEPT -A INPUT -p icmp -j ACCEPT -A INPUT -i lo -j ACCEPT -A INPUT -m state –state NEW -m tcp -p tcp –dport 22 -j ACCEPT -A INPUT -m state –state NEW -m tcp -p tcp –dport 80 -j ACCEPT -A INPUT -m state –state NEW -m tcp -p tcp –dport 3306 -j ACCEPT -A INPUT -j REJECT –reject-with icmp-host-prohibited -A FORWARD -j REJECT –reject-with icmp-host-prohibited COMMIT #################################################### ####### /etc/init.d/iptables…