linux – Mongo守护进程不是由服务mongod启动运行的

最近我通过阅读本页( http://docs.mongodb.org/manual/tutorial/install-mongodb-on-ubuntu/)安装了mongodb软件包.
我使用docker和ubuntu 14.04映像来部署我的服务器.

问题始于首先运行mongod服务：

# service mongod start

我得到以下内容：

Rather than invoking init scripts through /etc/init.d,use the service(8)
utility,e.g. service mongod restart

Since the script you are attempting to invoke has been converted to an
Upstart job,you may also use the stop(8) and then start(8) utilities,e.g. stop mongod ; start mongod. The restart(8) utility is also available.

我试过这个：

# start mongod

但没有输出.

接下来我想查看日志,但没有日志！

ls /var/log/mongodb -a #empty

好的,接下来我尝试启动mongo shell：

# mongo
2014-08-12T17:42:44.431+0000 warning: Failed to connect to 127.0.0.1:27017,reason: errno:111 Connection refused
2014-08-12T17:42:44.432+0000 Error: couldn't connect to server 127.0.0.1:27017 (127.0.0.1),connection attempt failed at src/mongo/shell/mongo.js:146
exception: connect failed

好吧,谷歌搜索后我检查(applaied)从Mongodb in linux server和https://wiki.archlinux.org/index.php/MongoDB(部分故障排除)的所有答案,但仍然没有得到任何结果.

mongo shell只有在我直接在后台运行mongod时才能工作：

mongod --verbose &

[DataFileSync] BackgroundJob starting: DataFileSync
shardKeyTest passed
isInRangeTest passed
shardObjTest passed
[initandlisten] MongoDB starting : pid=451 port=27017 dbpath=/data/db 64-bit host=a9d816faea4c
[initandlisten] db version v2.6.4
[initandlisten] git version: 3a830be0eb92d772aa855ebb711ac91d658ee910
[initandlisten] build info: Linux build7.nj1.10gen.cc 2.6.32-431.3.1.el6.x86_64 #1 SMP Fri Jan 3 21:39:27 UTC 2014 x86_64 BOOST_LIB_VERSION=1_49
[initandlisten] allocator: tcmalloc
[initandlisten] options: { systemLog: { verbosity: 1 } }
[initandlisten] flushing directory /data/db
[initandlisten] journal dir=/data/db/journal
[initandlisten] recover : no journal files present,no recovery needed
[initandlisten] flushing directory /data/db/journal
[initandlisten] flushing directory /data/db/journal
[initandlisten] opening db:  local
[initandlisten] enter repairDatabases (to check pdfile version #)
[initandlisten]     local
[initandlisten] done repairDatabases
[initandlisten] opening db:  admin
[initandlisten] query admin.system.roles planSummary: EOF ntoreturn:0 ntoskip:0 keyUpdates:0 numYields:0 locks(micros) W:119 r:106 nreturned:0 reslen:20 0ms
[ClientCursorMonitor] BackgroundJob starting: ClientCursorMonitor
[PeriodicTaskRunner] BackgroundJob starting: PeriodicTaskRunner
[TTLMonitor] BackgroundJob starting: TTLMonitor
[initandlisten] fd limit hard:1048576 soft:524288 max conn: 419430
[IndexRebuilder] BackgroundJob starting: IndexRebuilder
[IndexRebuilder] opening db:  local
[initandlisten] create collection local.startup_log { size: 10485760,capped: true }
[initandlisten] command local.$cmd command: create { create: "startup_log",size: 10485760,capped: true } ntoreturn:1 keyUpdates:0 numYields:0  reslen:75 0ms
[initandlisten] insert local.startup_log ninserted:1 keyUpdates:0 numYields:0  0ms
[initandlisten] waiting for connections on port 27017
[IndexRebuilder] checking complete2014-08-12T17:48:29.837+0000 [DataFileSync] BackgroundJob starting: DataFileSync

现在我有以下内容：

/var/lib/mongodb (mongodb:mongodb) empty
/var/log/mongodb (mongodb:nogroup) empty
/data/db (mongo:nogroup) #useless

# mongod.conf
dbpath=/var/lib/mongodb
logpath=/var/log/mongodb/mongod.log
logappend=true
port = 27017
bind_ip = 0.0.0.0
...

这里发生了什么？我很困惑(

解决方法

这意味着你启动一个docker容器,它会运行一个命令“/usr/bin/mongod”

在docker容器中运行mongodb的示例：
https://docs.docker.com/samples/library/mongo/

此外,由于您使用交互式docker容器运行安装命令,因此只要考虑docker,shell解释器就是单个命令.进入交互式会话后,您可以在后台运行mongod(正如您所做的那样)并启动mongo客户端会话.

另一种方法是将这些说明作为Dockerfile的一部分运行.您可以参考mongodb example.

您可能还想考虑已经在docker hub中发布的一些官方mongo db映像：

https://registry.hub.docker.com/_/mongo/

（编辑：安卓应用网）

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