Mongodb 安装

   

• 测试环境

  操作系统：CentOS 7.2 最小化安装

  IP地址：192.168.197.20

  Mongodb版本：mongodb-linux-x86_64-3.4.10.tgz

• 上传mongodb包到/software目录下，然后解压缩该包

  [root@localhost software]# tar -zxvf mongodb-linux-x86_64-3.4.10.tgz

• 移动解压缩之后的文件至/usr/local/mongodb目录

  [root@localhost software]# mv mongodb-linux-x86_64-3.4.10 /usr/local/mongodb

• 在mongodb下面创建data目录和logs目录，用于存放data和logs

  [root@localhost local]# mkdir -p /usr/local/mongodb/data

  [root@localhost local]# mkdir -p /usr/local/mongodb/logs

• 增加环境变量，并使环境变量生效

  [root@localhost data]# vi /etc/profile

  export PATH=$PATH:/usr/local/mongodb/bin

  [root@localhost data]# source /etc/profile

• 创建mongodb.conf文件并写入一下内容

  [root@localhost data]# touch /usr/local/mongodb/bin/mongodb.conf

  [root@localhost data]# vi /usr/local/mongodb/bin/mongodb.conf

  port=27017 #端口  

  dbpath= /usr/local/mongodb/data #数据库存文件存放目录  

  logpath= /usr/local/mongodb/logs/log.log #日志文件存放路径  

  logappend=true #使用追加的方式写日志  

  fork=true #不以守护程序的方式启用，即不在后台运行  

  maxConns=100 #最大同时连接数  

  noauth=true #不启用验证  

  journal=true #每次写入会记录一条操作日志（通过journal可以重新构造出写入的数据）。

  #即使宕机，启动时wiredtiger会先将数据恢复到最近一次的checkpoint点，然后重放后续的journal日志来恢复。

  storageEngine=wiredTiger  #存储引擎有mmapv1、wiretiger、mongorocks

  bind_ip = 0.0.0.0  #这样就可外部访问了，例如从win10中去连虚拟机中的MongoDB

• 使用配置文件启动启动mongod服务

  [root@localhost logs]# mongod --config /usr/local/mongodb/bin/mongodb.conf

  about to fork child process, waiting until server is ready for connections.

  forked process: 2544

  child process started successfully, parent exiting

• 启动mongodb客户端验证

  [root@localhost bin]# ./mongo

  MongoDB shell version v3.4.10

  connecting to: mongodb://127.0.0.1:27017

  MongoDB server version: 3.4.10

  Welcome to the MongoDB shell.

  For interactive help, type "help".

  For more comprehensive documentation, see

  http://docs.mongodb.org/

  Questions? Try the support group

  http://groups.google.com/group/mongodb-user

  Server has startup warnings:

  2019-01-25T03:44:56.233-0500 I CONTROL [initandlisten]

  2019-01-25T03:44:56.234-0500 I CONTROL [initandlisten] ** WARNING: Access control is not enabled for the database.

  2019-01-25T03:44:56.234-0500 I CONTROL [initandlisten] ** Read and write access to data and configuration is unrestricted.

  2019-01-25T03:44:56.234-0500 I CONTROL [initandlisten] ** WARNING: You are running this process as the root user, which is not recommended.

  2019-01-25T03:44:56.234-0500 I CONTROL [initandlisten]

  2019-01-25T03:44:56.235-0500 I CONTROL [initandlisten]

  2019-01-25T03:44:56.235-0500 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/enabled is 'always'.

  2019-01-25T03:44:56.235-0500 I CONTROL [initandlisten] ** We suggest setting it to 'never'

  2019-01-25T03:44:56.235-0500 I CONTROL [initandlisten]

  2019-01-25T03:44:56.235-0500 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/defrag is 'always'.

  2019-01-25T03:44:56.235-0500 I CONTROL [initandlisten] ** We suggest setting it to 'never'

  2019-01-25T03:44:56.235-0500 I CONTROL [initandlisten]

  > 

• 列出数据库

  > show dbs

  admin 0.000GB

  local 0.000GB