环境配置:
bash[root@iZ2ze2pbbffhmn53ao4tuaZ bin]# cat /etc/redhat-release
bash[root@iZ2ze2pbbffhmn53ao4tuaZ bin]# uname -m
下载对应的MongoDB 版本
bash[root@iZ2ze2pbbffhmn53ao4tuaZ bin]# wget https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-rhel62-3.6.4.tgz
bash[root@iZ2ze2pbbffhmn53ao4tuaZ opt]# tar -zxvf mongodb-linux-x86_64-rhel62-3.6.4.tgz
bash[root@iZ2ze2pbbffhmn53ao4tuaZ bin]# mkdir -p /data/db # 创建数据库数据存放目录
[root@iZ2ze2pbbffhmn53ao4tuaZ opt]# cd /opt/mongodb/bin
[root@iZ2ze2pbbffhmn53ao4tuaZ bin]# ./mongod # 启动Mongo Server服务,默认端口:27017,默认允许本地连接
开启认证
MongoDB 默认安装完成以后,只允许本地连接,同时不需要使用任何账号密码就可以直接连接MongoDB,这样就容易被黑,让支付一些比特币,所以为了避免这些不
必要的麻烦,所以我们需要给Mongo设置一个账号密码;
bash[root@iZ2ze2pbbffhmn53ao4tuaZ bin]# ./mongod --auth # 启用认证
bash> use admin
switched to db admin
> db.createUser({user:"admin",pwd:"password",roles:["root"]})
Successfully added user: { "user" : "admin", "roles" : [ "root" ] }
bash> db.auth("admin", "password")
数据库用户角色(Database User Roles)
read:授予User只读数据的权限
readWrite:授予User读写数据的权限
数据库管理角色(Database Administration Roles):
dbAdmin:在当前dB中执行管理操作
dbOwner:在当前DB中执行任意操作
userAdmin:在当前DB中管理User
备份和还原角色(Backup and Restoration Roles):
backup
restore
跨库角色(All-Database Roles):
readAnyDatabase:授予在所有数据库上读取数据的权限 readWriteAnyDatabase:授予在所有数据库上读写数据的权限userAdminAnyDatabase:授予在所有数据库上管理User的权限dbAdminAnyDatabase:授予管理所有数据库的权限
集群管理角色(Cluster Administration Roles)
clusterAdmin:授予管理集群的最高权限
clusterManager:授予管理和监控集群的权限,A user with this role can access the config and local databases, which are used in sharding and replication, respectively.
clusterMonitor:授予监控集群的权限,对监控工具具有readonly的权限
hostManager:管理Server
bash> use flowpp
switched to db flowpp
> db.createUser({user: "flowpp", pwd: "flopww", roles: [{ role: "dbOwner", db: "flowpp" }]}) # 创建用户flowpp,设置密码flopww,设置角色dbOwner
bash> use admin
switched to db admin
> db.system.users.find() # 显示当前系统用户
{ "_id" : "admin.admin", "user" : "admin", "db" : "admin", "credentials" : { "SCRAM-SHA-1" : { "iterationCount" : 10000, "salt" : "9jXmylyRAK22TZmzv1Thig==", "storedKey" : "z76cVrBjX/CTFmn5RujtU+dz7Nw=", "serverKey" : "JQGonM84iDMI1nIXW7FdyOE55ig=" } }, "roles" : [ { "role" : "root", "db" : "admin" } ] }
{ "_id" : "flowpp.flowpp", "user" : "flowpp", "db" : "flowpp", "credentials" : { "SCRAM-SHA-1" : { "iterationCount" : 10000, "salt" : "KvocqWZA9E2tXBHpKpdAeQ==", "storedKey" : "50Kxc3LEgCSVN1z16S8g4A6jVp8=", "serverKey" : "0RSnsxd/7Yzmqro/YOHf/kfbHCk=" } }, "roles" : [ { "role" : "dbOwner", "db" : "flowpp" } ] }
bash1.切换admin ,删除用户flowpp ,删除失败
> use admin
switched to db admin
> db.dropUser("flowpp")
false
2.切换flowpp ,删除用户flowpp,删除成功
> use flowpp
switched to db flowpp
> db.dropUser("flowpp")
true
说明:删除用户的时候需要切换到用户管理的数据库才可以删除;
本文作者:Eric
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