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                就是給MongoDB創建用戶和設置密碼,當然不設置也可以用。 <br/> **1. 進入到`admin`數據庫** ```shell # 進入Mongo Shell [root@hadoop101 ~]# mongo (1)查看Database > show dbs admin 0.000GB config 0.000GB local 0.000GB (2)切換到admin數據庫,如果你發現沒有這個數據庫也沒有問題 > use admin switched to db admin ``` <br/> **2. 創建MongDB賬號** MongoDB賬號分為多種角色,這里只創建`role: "root"`角色,該角色擁有所有的權限。 ``` # 只更改user和pwd即可,后面的role和db是固定的 > db.createUser( ... { ... user:"root", ... pwd:"123456", ... roles:[{role:"root",db:"admin"}] ... } ... ); Successfully added user: { "user" : "root", "roles" : [ { "role" : "root", "db" : "admin" } ] } ``` <br/> **3. 在 /etc/mongod.conf中開啟權限認證** ``` [root@hadoop101 ~]# vim /etc/mongod.conf security: authorization: enabled ``` <br/> **4. 重啟MongoDB** ```shell [root@hadoop101 ~]# systemctl restart mongod.service ``` <br/> **5. 使用賬號和密碼登錄** ```shell [root@hadoop101 ~]# mongo --port 27017 -u "root" -p "123456" --authenticationDatabase "admin" ```
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