ubuntu16.04安装mongodb3.6.18

#0. env
    server：PowerEdge-R620
    os： ubuntu16.04
    
 
        
#1  https://docs.mongodb.com/v3.6/tutorial/install-mongodb-on-ubuntu/

1) wget -qO - https://www.mongodb.org/static/pgp/server-3.6.asc | sudo apt-key add -

2)  cd /etc/apt/sources.list.d/
    sudo touch mongodb-org-3.6.list
    
3)  echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.6 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.6.list

4)  sudo apt-get update

5) sudo apt-get install -y mongodb-org

6) echo "mongodb-org hold" | sudo dpkg --set-selections
   echo "mongodb-org-server hold" | sudo dpkg --set-selections
   echo "mongodb-org-shell hold" | sudo dpkg --set-selections
   echo "mongodb-org-mongos hold" | sudo dpkg --set-selections
   echo "mongodb-org-tools hold" | sudo dpkg --set-selections
   
   
7) ps --no-headers -o comm 1

8) start mongod
    sudo systemctl start mongod
    
    sudo systemctl status mongod
    
    sudo systemctl enable mongod
    
    You can follow the state of the process for errors or important messages by watching the output in the /var/log/mongodb/mongod.log file.
    
    
    mongo --host 127.0.0.1:27017



#2  错误

    Failed to unlink socket file /tmp/mongodb-27017.sock Operation not permitted
    
    解决办法：
    sudo rm /tmp/mongodb-27017.sock