ubuntu18.04安装ssh服务和jdk

安装SSH服务

  1.  sudo apt install openssh-server
  2.  sudo service ssh start
  3.  ps -aux | grep ssh  判断是否开启成功

ubuntu18.04 install jdk

  1. sudo apt install default-jdk 
  2. java -version      

Installing OpenJDK 8

  1. sudo apt update
  2. sudo apt install openjdk-8-jdk
  3. 设置JAVA_HOME环境变量  sudo update-alternatives --config java  查看java默认安装路径
  4. 如为: /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java
  5. sudo nano /etc/environment
  6. JAVA_HOME="/usr/lib/jvm/java-8-openjdk-amd64"
  7. source /etc/environment
  8. echo $JAVA_HOME

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转载自www.cnblogs.com/semie/p/12635133.html