mongodb安装

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mongodb 源码安装
准备
mkdir /data/mongodb/data -- 数据
mkdir /data/mongodb/log -- 日志

下载https://www.mongodb.com/download-center?jmp=nav#community

安装

tar zxvf mongodb-linux-x86_64-rhel70-3.4.3.tgz

mv mongodb-linux-x86_64-rhel70-3.4.3/ /usr/local/mongodb

配置环境变量：

vi /etc/profile.d/mongo.sh
export PATH=/user/local/mongodb/bin:$PATH

source /etc/profile

创建启动配置文件
vim /etc/mongodb.conf
#数据文件存放目录,如果不指定，则/data/db是mongodb的默认启动的数据库路径
dbpath = /data/mongodb/data
#日志文件存放目录
logpath = /data/mongodb/log
#端口
port = 27017
#以守护程序的方式启用，即在后台运行

fork = true

#是否禁止http接口，即28017 端口开启的服务。默认false，支持

nohttpinterface = true

启动
mongod --dbpath=/data/mongodb/data/ --logpath=/data/mongodb/log/mongodb.log --logappend
配置文件方式启动
mongod -f /etc/mongodb.conf
[root@centos7 mongodb]# netstat -tnlp | grep mongod
tcp        0      0 0.0.0.0:27017           0.0.0.0:*               LISTEN      36767/mongod

连接
[root@centos7 log]# mongo
MongoDB shell version v3.4.3
connecting to: mongodb://127.0.0.1:27017
MongoDB server version: 3.4.3
Welcome to the MongoDB shell.

消除警告
vi /etc/rc.local
if test -f /sys/kernel/mm/transparent_hugepage/enabled; then
echo never > /sys/kernel/mm/transparent_hugepage/enabled
fi
if test -f /sys/kernel/mm/transparent_hugepage/defrag; then
echo never > /sys/kernel/mm/transparent_hugepage/defrag
fi
ulimit -u 65535

[root@oracledb ~]# echo never > /sys/kernel/mm/transparent_hugepage/enabled
[root@oracledb ~]# echo never > /sys/kernel/mm/transparent_hugepage/defrag
停止服务：
> use admin
switched to db admin
> db.shutdownServer();
server should be down...
> quit
function quit() {
    [native code]
}
> exit
bye
[root@oracledb ~]# mongo
MongoDB shell version v3.4.0
connecting to: mongodb://127.0.0.1:27017
2016-12-13T16:22:32.757+0800 W NETWORK [main] Failed to connect to 127.0.0.1:27017, reason: Connection refused
2016-12-13T16:22:32.757+0800 E QUERY    [main] Error: couldn't connect to server 127.0.0.1:27017, connection attempt failed :
connect@src/mongo/shell/mongo.js:234:13
@(connect):1:6

exception: connect failed

一些操作：

> show databases;admin  0.000GBlocal  0.000GB> db.c1.insert({x:1})WriteResult({ "nInserted" : 1 })> db.c1.find(){ "_id" : ObjectId("58e8c41841c89ff0cd873828"), "x" : 1 }> show databases;admin  0.000GBlocal  0.000GBtest   0.000GB> use testswitched to db test> show tables;c1

启动时候报错：

[root@centos7 log]# mongod -f /etc/mongodb.conf
about to fork child process, waiting until server is ready for connections.
forked process: 36697
ERROR: child process failed, exited with error number 48

这时候删除lock文件，

[root@centos7 log]# rm /data/mongodb/data/mongod.lock
rm: remove regular empty file ‘/data/mongodb/data/mongod.lock’? y
[root@centos7 log]# rm /data/mongodb/log/mongodb.log
rm: remove regular file ‘/data/mongodb/log/mongodb.log’?

将进程关闭，重新启动即可

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