sshd服务，firewalld，ip配置

ip配置

ifconfig  查看

cd /etc/sysconfig/network-scripts

vi ifcfg-en0

BOOTPROTO=static

IPADDR=192.168.1.100
NETMASK=255.255.255.0
GATEWAY=192.168.1.1

ONBOOT=yes

jdk 配置环境变量

vi /etc/profile

最后一行添加如下代码

export JAVA_HOME=/usr/local/jdk1.8.0_181
export PATH=$PATH:$JAVA_HOME/bin
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

:wq
保存后

source /etc/profile

sshd服务

systemctl start sshd 启动服务
systemctl stop sshd 停止服务

systemctl enable sshd 自启动sshd服务

防火墙

systemctl stop firewalld
systemctl start firewalld
systemctl status firewalld