静态IP

  1. vim /etc/sysconfig/network-scripts/ifcfg-ens33 
  3. BOOTPROTO="static"
  5. IPADDR=192.168.0.11
  6. NETMASK=255.255.255.0
  7. GATEWAY=192.168.0.1
  8. DNS1=114.114.114.114
  9. DNS2=8.8.8.8

防火墙

  1. 启动： systemctl start firewalld
  2. 关闭： systemctl stop firewalld
  3. 查看状态： systemctl status firewalld 
  4. 开机禁用  ： systemctl disable firewalld
  5. 开机启用  ： systemctl enable firewalld
  6. systemctl disable firewalld.service

卸载原生JDK

  1. rpm -qa | grep jdk
  3. yum -y remove java-1.7.0-openjdk*
  4. yum -y remove java-1.8.0-openjdk*
  5. yum -y remove tzdata-java.noarch