yum install epel-release

yum install mongodb-server.x86_64

vim /etc/mongod.conf
修改为0.0.0.0 允许所以ip服务!

systemctl start mongod


创建角色:
use oa
show users
db.createUser({user: "root",pwd: "123456",roles: [ { role: "dbOwner", db: "oa" } ]})
Centos7上yum安装mongodb(安装epel中的版本可能会比较老)
原文:https://www.cnblogs.com/GoslingWu/p/13678455.html