1.查看防火墙状态,哪些端口开放了 /etc/init.d/iptables status 2.配置防火墙 vi /etc/sysconfig/iptables ###################################### # Firewall configuration written by system-config-firewall # Manual customization of this file is not recommended. *filter :
(一)安装JAVA1.检查java环境 java -version,不存在安装.2.yum -y list java* Loaded plugins: fastestmirror, langpacksRepository base is listed more than once in the configurationRepository updates is listed more than once in the configurationRepository extras is list