添加软件源

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$ sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 0C49F3730359A14518585931BC711F9BA15703C6


echo "deb [ arch=amd64,arm64 ] http://repo.mongodb.org/apt/ubuntu "$(lsb_release -sc)"/mongodb-org/3.4 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-3.4.list

安装MongoDB

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apt-get update
apt-get install mongodb-org -y

启动

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service mongod start
service mongod stop

创建帐号密码

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# 添加配置文件
vim /ect/mongod.conf

security:  
authorization: "enabled"

# 重启服务
service mongod stop
service mongod start

# 进入数据库
mongo
> use admin
> db.createUser({user:"user_test",pwd:"pwd_test",roles:["root"]}) # 创建账号  
> db.auth("user_test","pwd_test") # 就可以进入了