1、 阿里云操作
2、设置账号 远程密码
3、 重置密码 ,重新启动。
4、开放22端口
https://blog.youkuaiyun.com/baidu_36327010/article/details/78307354
tomcat 8
http://tomcat.apache.org/download-80.cgi
jdk 8
https://www.cnblogs.com/shihaiming/p/5809553.html
tar -zxvf jdk-8u171-linux-x64.tar.gz
JAVA_HOME=/usr/jdk1.8.0_171
CLASSPATH=$JAVA_HOME/lib/
PATH=$PATH:$JAVA_HOME/bin
export PATH JAVA_HOME CLASSPATH
tomcat 安装
https://blog.youkuaiyun.com/a515557595_xzb/article/details/78906947
tar -zxvf apache-tomcat-8.5.32.tar.gz
http://192.168.254.128:8080