docker安装

entOS7用阿里云Docker Yum源在线安装Docker 17.03.2

sudo yum install -y yum-utils device-mapper-persistent-data lvm2

sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

sudo yum install docker-ce-18.03.0.ce

systemctl enable docker

systemctl start docker

修改主机名

hostnamectl set-hostname linux1

reboot

ssh-keygen

java安装

vi /etc/profile

export JAVA_HOME=/home/jdk/jdk8

export CLASSPATH=$:CLASSPATH:$JAVA_HOME/lib/

export PATH=$PATH:$JAVA_HOME/bin

source /etc/profile