安装配置MongoDB数据库


实验环境:

系统环境:rhel6 x64 selinux and iptables disabled


一、安装MongoDB


下载地址:

https://www.mongodb.com/download-center#community

Screenshot from 2018-07-22 17-21-28.png


[[email protected] ~]# ls
mongodb-linux-x86_64-rhel62-4.0.0


[[email protected] ~]# mv mongodb-linux-x86_64-rhel62-4.0.0/ /usr/local/mongodb    #移动解压文件夹到MongoDB安装目录


[[email protected] ~]# mkdir -p /home/data/mongodb/mongodb_data     #创建MongoDB数据库存放路径


[[email protected] ~]# mkdir -p /home/data/mongodb/mongodb_log         #创建MongoDB数据库日志存放路径


#启动MongoDB

[[email protected] ~]# /usr/local/mongodb/bin/mongod --port 27017 --fork --dbpath=/home/data/mongodb/mongodb_data/ --logpath=/home/data/mongodb/mongodb_log/mongodb.log --logappend

Screenshot from 2018-07-22 21-19-22.png


查看端口

[[email protected] ~]# netstat -antlp     #查看MongoDB是否启动


Screenshot from 2018-07-22 21-20-31.png

[[email protected] ~]# cd /usr/local/mongodb/bin/

Screenshot from 2018-07-22 21-21-30.png


[[email protected] bin]# ./mongo     #进入MongoDB数据库控制台


Screenshot from 2018-07-22 21-23-06.png


> 2+3
5
> 2*3
6
>

> use admin            #进入admin数据库

switched to db admin
> db.shutdownServer()    #关闭MongoDB数据库

server should be down...
2018-07-22T21:25:17.131+0800 I NETWORK  [js] trying reconnect to 127.0.0.1:27017 failed
2018-07-22T21:25:17.131+0800 I NETWORK  [js] reconnect 127.0.0.1:27017 failed failed
> exit    
#退出

bye

[[email protected] bin]# netstat -antlp | grep :27017     已经关闭
[[email protected] bin]# 


再次进入MongoDB数据库控制台时如下报错:

[[email protected] bin]# ./mongo
MongoDB shell version v4.0.0
connecting to: mongodb://127.0.0.1:27017
2018-07-22T22:07:54.310+0800 E QUERY    [js] Error: couldn't connect to server 127.0.0.1:27017, connection attempt failed: SocketException: Error connecting to 127.0.0.1:27017 :: caused by :: Connection refused :
[email protected]/mongo/shell/mongo.js:251:13
@(connect):1:6
exception: connect failed


解决途径:

(1)  cd /usr/local/mongodb/bin
(2) ./mongod --dbpath=/home/data/mongodb/mongodb_data/

(3) 上一步路径设置成功,但是不要关闭这个界面,需要重新打开一个新的窗口来启动mongo

(4)在另一个终端:cd /usr/local/mongodb/
                             ./bin/mongo

做下面时,先关闭MongoDB数据库


二、设置MongoDB数据库


[[email protected] bin]# cd /usr/local/mongodb/      #进入MongoDB安装目录

[[email protected] mongodb]# vim mongodb.conf    #编写配置文件

port=27017 #端口号

dbpath=/home/data/mongodb/mongodb_data/     #数据库路径

logpath=/home/data/mongodb/mongodb_log/mongodb.log    #日志输出文件路径

logappend=true #日志输出方式


[[email protected] ~]# cd /usr/local/mongodb/

[[email protected] bin]# pwd
/usr/local/mongodb/bin
[[email protected] bin]# ./mongod -f mongodb.conf 

查看端口:

Screenshot from 2018-07-22 22-22-48.png


三、Linux**册mongodb服务


进入 /etc/init.d/ 目录

[[email protected] bin]# cd /etc/init.d/

创建mongodb文件

[[email protected] init.d]# vim mongodb

#!/bin/sh  
#  
#  ### BEGIN INIT INFO
# Short-Description: mongodb    
# Description: mongo db server    
### END INIT INFO    


PROGRAM=/usr/local/mongodb/bin/mongod
MONGOPID=`ps -ef | grep 'mongod' | grep -v grep | awk '{print $2}'`

test -x $PROGRAM || exit 0

case "$1" in
  start)
     ulimit -n 3000
     echo "Starting MongoDB server"
     $PROGRAM --fork --quiet -f /usr/local/mongodb/mongodb.conf
     echo "Started MongoDB server"
     ;;
  stop)
     echo "Stopping MongoDB server"
     if [ ! -z "$MONGOPID" ]; then
        kill -15 $MONGOPID
     fi
     echo "Stopped MongoDB server"
     ;;
  status)
     ;;
  *)
     echo "Usage: mongodb {start|stop|status}"
     exit 1
esac

exit 0
        
保存完毕,在执行以下几条命令即可:

[[email protected] init.d]# chmod +x mongodb


测试:

[[email protected] init.d]# /etc/init.d/mongodb start



[[email protected] init.d]# netstat -antlp | grep :27017


Screenshot from 2018-07-22 22-33-15.png