CentOS 6 上mongodb安装与使用

野性酷女 2022-05-28 09:39 182阅读 0赞

# CentOS 6 安装mongodb #

*  [https://docs.mongodb.com/manual/installation/\#tutorial-installation][https_docs.mongodb.com_manual_installation_tutorial-installation]

## 安装MongoDB专业版 ##

# 创建 /etc/yum.repos.d/mongodb-enterprise.repo
    [mongodb-enterprise]
    name=MongoDB Enterprise Repository
    baseurl=https://repo.mongodb.com/yum/redhat/$releasever/mongodb-enterprise/3.4/$basearch/
    gpgcheck=1
    enabled=1
    gpgkey=https://www.mongodb.org/static/pgp/server-3.4.asc
    
    sudo yum install -y mongodb-enterprise
    
    sudo service mongod start
    
    sudo chkconfig mongod on 
    
    sudo yum erase $(rpm -qa | grep mongodb-enterprise) # 卸载

## 安装mongodb社区版 ##

#配置包管理系统
    
    创建 /etc/yum.repos.d/mongodb-org-3.6.repo 
    
    [mongodb-org-3.6]
    name=MongoDB Repository
    baseurl=https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/3.6/x86_64/
    gpgcheck=1
    enabled=1
    gpgkey=https://www.mongodb.org/static/pgp/server-3.6.asc

*  安装MongoDB

sudo yum install -y mongodb-org
    #
    sudo yum install -y mongodb-org-3.6.3 mongodb-org-server-3.6.3 mongodb-org-shell-3.6.3 mongodb-org-mongos-3.6.3 mongodb-org-tools-3.6.3

*  启动MongoDB

sudo service mongod start
    sudo chkconfig mongod on
    sudo service mongod stop

*  使用MongoDB

mongo --host 127.0.0.1:27017

*  卸载删除MongoDB

sudo service mongod stop
    sudo yum erase $(rpm -qa | grep mongodb-org)
    sudo rm -r /var/log/mongodb
    sudo rm -r /var/lib/mongo

# MongoDB创建用户使用 #

[https://www.mongodb.com/][https_www.mongodb.com]  
[https://www.mongodb.com/download-center\#community][https_www.mongodb.com_download-center_community]

# mongodb loginin #

mongo --port 27017
    
    help # 查看帮助
    
    use admin # 切换到管理员
    
    db.createUser(
      {
        user: "Aniumongodb",
        pwd: "Aniumongodb123.",
        roles: [ { role: "userAdminAnyDatabase", db: "admin" } ]
      }
    )
    # 
    [root@mongodb ~]# mongo --port 27017
    MongoDB shell version v3.6.3
    connecting to: mongodb://127.0.0.1:27017/
    MongoDB server version: 3.6.3
    Server has startup warnings: 
    2018-04-02T17:12:06.214+0800 I STORAGE  [initandlisten] 
    2018-04-02T17:12:06.214+0800 I STORAGE  [initandlisten] ** WARNING: Using the XFS filesystem is strongly recommended with the WiredTiger storage engine
    2018-04-02T17:12:06.214+0800 I STORAGE  [initandlisten] **          See http://dochub.mongodb.org/core/prodnotes-filesystem
    2018-04-02T17:12:07.413+0800 I CONTROL  [initandlisten] 
    2018-04-02T17:12:07.413+0800 I CONTROL  [initandlisten] ** WARNING: Access control is not enabled for the database.
    2018-04-02T17:12:07.413+0800 I CONTROL  [initandlisten] **          Read and write access to data and configuration is unrestricted.
    2018-04-02T17:12:07.414+0800 I CONTROL  [initandlisten] 
    MongoDB Enterprise > use admin
    switched to db admin
    MongoDB Enterprise > db.createUser(
    ...   {
    ...     user: "Aniumongodb",
    ...     pwd: "Aniumongodb123.",
    ...     roles: [ { role: "userAdminAnyDatabase", db: "admin" } ]
    ...   }
    ... )
    Successfully added user: {
            "user" : "Aniumongodb",
            "roles" : [
                    {
                            "role" : "userAdminAnyDatabase",
                            "db" : "admin"
                    }
            ]
    }
    MongoDB Enterprise > exit
    bye

## MongoDB用户简介 ##

Built-In Roles（内置角色）：
        1. 数据库用户角色：read、readWrite;
        2. 数据库管理角色：dbAdmin、dbOwner、userAdmin；
        3. 集群管理角色：clusterAdmin、clusterManager、clusterMonitor、hostManager；
        4. 备份恢复角色：backup、restore；
        5. 所有数据库角色：readAnyDatabase、readWriteAnyDatabase、userAdminAnyDatabase、dbAdminAnyDatabase
        6. 超级用户角色：root  
        // 这里还有几个角色间接或直接提供了系统超级用户的访问（dbOwner 、userAdmin、userAdminAnyDatabase）
        7. 内部角色：__system
    
    # 用户角色权限
    Read：允许用户读取指定数据库
    readWrite：允许用户读写指定数据库
    dbAdmin：允许用户在指定数据库中执行管理函数，如索引创建、删除，查看统计或访问system.profile
    userAdmin：允许用户向system.users集合写入，可以找指定数据库里创建、删除和管理用户
    clusterAdmin：只在admin数据库中可用，赋予用户所有分片和复制集相关函数的管理权限。
    readAnyDatabase：只在admin数据库中可用，赋予用户所有数据库的读权限
    readWriteAnyDatabase：只在admin数据库中可用，赋予用户所有数据库的读写权限
    userAdminAnyDatabase：只在admin数据库中可用，赋予用户所有数据库的userAdmin权限
    dbAdminAnyDatabase：只在admin数据库中可用，赋予用户所有数据库的dbAdmin权限。
    root：只在admin数据库中可用。超级账号，超级权限

*  创建超级管理员账户

db.createUser(
    ...  {
    ...    user: "Aniudba",
    ...    pwd: "Aniudba123.",
    ...    roles: [
    ...       { role: "root", db: "admin" }
    ...    ]
    ...  }
    ... )
    Successfully added user: {
            "user" : "Aniudba",
            "roles" : [
                    {
                            "role" : "root",
                            "db" : "admin"
                    }
            ]
    }

## MongoDB启动错误 ##

*  WARNING: soft rlimits too low. rlimits set to 1024 processes, 16392 files. Number of processes should be at least 8196

修改 /etc/security/limits.d/90-nproc.conf
    
    *          soft    nproc     16392 # 1024改为16392
    root       soft    nproc     unlimited
    
    重启MongoDB服务  /etc/init.d/mongod restart

*  MongoDB 连接工具
 *  WARNING: Using the XFS filesystem is strongly recommended with the WiredTiger storage engine
 *  WARNING: Access control is not enabled for the database.Read and write access to data and configuration is unrestricted.
 *  参考：[http://www.cnblogs.com/zhoujinyi/p/4610050.html][http_www.cnblogs.com_zhoujinyi_p_4610050.html]

[https_docs.mongodb.com_manual_installation_tutorial-installation]: https://docs.mongodb.com/manual/installation/#tutorial-installation
[https_www.mongodb.com]: https://www.mongodb.com/
[https_www.mongodb.com_download-center_community]: https://www.mongodb.com/download-center#community
[http_www.cnblogs.com_zhoujinyi_p_4610050.html]: http://www.cnblogs.com/zhoujinyi/p/4610050.html