centos7 修改ip 1、vi /etc/sysconfig/network-scripts/ifcfg-ens33 ONBOOT=yes(开机启动) service network restart 2、关闭防火墙 systemctl status firewalld.service systemctl stop firewalld.service systemctl disable firewalld.service 3、修改hostname hostnamectl set-hostname node-01 hostname 4、配置映射 vi /etc/hosts
192.168.227.38 node-01
5、配置jdk1.8 vi /etc/profile export JAVA_HOME=/home/hoster/jdk1.8.0_231 export PATH=$PATH:$JAVA_HOME/bin source /etc/profile java -version (查看java版本) 6、配置公钥私钥 生成公钥私钥 ssh-keygen -t rsa 导入公钥到认证文件,更改权限 ssh-copy-id
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