上传位置：/usr/local/
软件安装位置：/usr/local/mongodb
数据存放位置：/var/mongodb/data
日志存放位置：/var/mongodb/logs
安装
[root@localhost /]# cd usr/local/
[root@localhost /]# groupadd mongodb
[root@localhost /]# useradd mongodb -g mongodb
[root@localhost /]# cd /usr/local
[root@localhost local]# tar -zxv -f mongodb-linux-x86_64-2.2.2.tgz
[root@localhost local]# mv mongodb-linux-x86_64-2.2.2 mongodb
[root@localhost local]# chown -R mongodb: mongodb mongodb
[root@localhost local]# cd mongodb
[root@localhost mongodb]# mkdir /var/mongodb
[root@localhost mongodb]# mkdir /var/mongodb/data
[root@localhost mongodb]# mkdir /var/mongodb/logs
[root@localhost mongodb]# vi /etc/sysconfig/iptables // 将27017端口加入防火墙
[root@localhost mongodb]# service iptables restart // 重启防火墙
添加CentOS开机启动项
[root@localhost mongodb]# vi + /etc/rc.d/rc.local
将mongodb启动命令追加到本文件中：
/usr/local/mongodb/bin/mongod --dbpath=/var/mongodb/data --logpath /var/mongodb/logs/log.log -fork
启动mongodb
[root@localhost mongodb]#
/usr/local/mongodb/bin/mongod --dbpath=/var/mongodb/data --logpath /var/mongodb/logs/log.log -fork
