摘要:
查看防火墙是否开启systemctl status firewalld 若没有开启则开启 systemctl start firewalld 关闭则start改为stop stop后会是这个样子: 查看所有开启的端口 firewall-cmd --list-ports 注:启动防火墙后,默认没有开启 阅读全文
摘要:
使用yum查找jdk: yum search java|grep jdk [root@localhost network-scripts]# yum search java|grep jdk One of the configured repositories failed (Unknown), a 阅读全文