如何使用m工具安裝和管理MongoDB

m是一個用於管理MongoDB版本的工具。簡單來說，它可以幫你安裝指定的MongoDB版本。

安裝m:

[root@test /]#npm install -g m

npm http GET

npm http GET

npm http GET

npm ERR! network connect ETIMEDOUT

npm ERR! network This is most likely not a problem with npm itself

npm ERR! network and is related to network connectivity.

npm ERR! network In most cases you are behind a proxy or have bad network settings.

npm ERR! network 

npm ERR! network If you are behind a proxy, please make sure that the

npm ERR! network 'proxy' config is set properly.  See: 'npm help config'

npm ERR! System Linux 2.6.32-696.el6.x86_64

npm ERR! command "node" "/usr/bin/npm" "install" "-g" "m"

npm ERR! cwd /root/20180713/sharding

npm ERR! node -v v0.10.48

npm ERR! npm -v 1.3.6

npm ERR! syscall connect

npm ERR! code ETIMEDOUT

npm ERR! errno ETIMEDOUT

npm ERR! 

npm ERR! Additional logging details can be found in:

npm ERR!     /root/20180713/sharding/npm-debug.log

npm ERR! not ok code 0

報錯，請取消代理伺服器配置:

[root@test /]#npm config set strict-ssl false

再次執行:

[root@test /]#npm install -g m

npm http GET

npm http GET

npm http GET

npm http 200

npm http GET /-/m-1.4.1.tgz

npm http 200 /-/m-1.4.1.tgz

/usr/bin/m -> /usr/lib/node_modules/m/bin/m

npm WARN unmet dependency /usr/lib/node_modules/block-stream requires inherits@'~2.0.0' but will load

npm WARN unmet dependency undefined,

npm WARN unmet dependency which is version undefined

npm WARN unmet dependency /usr/lib/node_modules/fstream requires inherits@'~2.0.0' but will load

npm WARN unmet dependency undefined,

npm WARN unmet dependency which is version undefined

npm WARN unmet dependency /usr/lib/node_modules/fstream-ignore requires inherits@'2' but will load

npm WARN unmet dependency undefined,

npm WARN unmet dependency which is version undefined

npm WARN unmet dependency /usr/lib/node_modules/fstream-npm requires inherits@'2' but will load

npm WARN unmet dependency undefined,

npm WARN unmet dependency which is version undefined

npm WARN unmet dependency /usr/lib/node_modules/glob requires inherits@'2' but will load

npm WARN unmet dependency undefined,

npm WARN unmet dependency which is version undefined

npm WARN unmet dependency /usr/lib/node_modules/npmconf requires inherits@'~2.0.0' but will load

npm WARN unmet dependency undefined,

npm WARN unmet dependency which is version undefined

npm WARN unmet dependency /usr/lib/node_modules/tar requires inherits@'2' but will load

npm WARN unmet dependency undefined,

npm WARN unmet dependency which is version undefined

m@1.4.1 /usr/lib/node_modules/m

安裝成功，檢視幫助:

[root@test /]#m --help

  Usage: m [options] [COMMAND] [config]

  Commands:

    m                            Output versions installed

    m stable [config ...]        Install or activate the latest stable MongoDB release

    m latest [config ...]        Install or activate the latest MongoDB release (including dev & RCs)

    m X.Y                        Install or activate the latest patch release for MongoDB X.Y (eg. 3.6)

    m <version> [config ...]     Install and/or use MongoDB <version>

    m custom <version> <tarball> [config ...]  Install custom MongoDB <tarball> with [args ...]

    m use <version> [args ...]   Execute mongod <version> with [args ...]

    m shard <version> [args ...] Execute mongos <version> with [args ...]

    m shell <version> [args ...] Open a mongo shell <version> with [args ...]

    m bin <version>              Output bin path for <version>

    m rm <version ...>           Remove the given version(s)

    m --stable                   Output the latest stable MongoDB version available

    m --stable X.Y                .. for release series X.Y (eg. 3.6)

    m --latest                   Output the latest MongoDB version available (including dev & RCs)

    m --latest X.Y                .. for release series X.Y (eg. 3.6)

    m ls                         Output the versions of MongoDB available

    m installed [--json]         Output installed versions available (optionally, in JSON format)

    m src <version>              Output the url for source used for the given <version>

                                   (useful if installed from source)

    m pre <event> [script]       Declare one or list scripts to execute before <event>

                                   (scripts must use absolute paths)

    m post <event> [script]      Declare one or list scripts to execute after <event>

                                   (scripts must use absolute paths)

    m pre <event> rm [script]    Remove pre <event> script

    m post <event> rm [script]   Remove post <event> script

  Events:

    change   Occurs when switching MongoDB versions

    install  Occurs when installing a previously uninstalled MongoDB version

  Options:

    -V, --version   Output current version of m

    -h, --help      Display help information

  Aliases:

    which      bin

    use        as, mongod

    shard      sd, mongos

    list       ls

    installed  lls

    custom     c

    shell      s, sh, mongo

執行m命令:

[root@test /]#m 

No installed versions

提示沒有安裝任何版本:

安裝3.4版本:

[root@test /]#m 3.4

Checking for latest release of MongoDB 3.4

MongoDB version 3.4.16 is not installed.

Installation may take a while. Would you like to proceed? [Y/n] y

... installing binary

######################################################################## 100.0%

/root/20180713/sharding

... removing source

Activating 3.4.16

... installation complete

獲取3.4.16安裝後所在的目錄：

[root@test ~/]#m bin 3.4.16

/usr/local/m/versions/3.4.16/bin

進入目錄:

[root@test /]#cd /usr/local/m/versions/3.4.16/bin

[root@test /usr/local/m/versions/3.4.16/bin]#ll

total 231684

-rwxr-xr-x 1 root root  4630751 Jul 10 14:08 bsondump

-rwxr-xr-x 1 root root 29471624 Jul 10 14:19 mongo

-rwxr-xr-x 1 root root 54088464 Jul 10 14:19 mongod

-rwxr-xr-x 1 root root  8344535 Jul 10 14:08 mongodump

-rwxr-xr-x 1 root root  6340189 Jul 10 14:08 mongoexport

-rwxr-xr-x 1 root root  6204308 Jul 10 14:08 mongofiles

-rwxr-xr-x 1 root root  6485366 Jul 10 14:08 mongoimport

-rwxr-xr-x 1 root root  5984601 Jul 10 14:08 mongooplog

-rwxr-xr-x 1 root root 53464744 Jul 10 14:19 mongoperf

-rwxr-xr-x 1 root root  9177984 Jul 10 14:09 mongoreplay

-rwxr-xr-x 1 root root  9506704 Jul 10 14:08 mongorestore

-rwxr-xr-x 1 root root 30763024 Jul 10 14:19 mongos

-rwxr-xr-x 1 root root  6560233 Jul 10 14:08 mongostat

-rwxr-xr-x 1 root root  6193511 Jul 10 14:08 mongotop

執行mongodb:

[root@test /usr/local/m/versions/3.4.16/bin]#./mongo

MongoDB shell version v3.4.16

connecting to: mongodb://127.0.0.1:27017

MongoDB server version: 3.4.13

Server has startup warnings: 

2018-06-05T16:45:25.725+0800 I STORAGE  [initandlisten] 

2018-06-05T16:45:25.725+0800 I STORAGE  [initandlisten] ** WARNING: Using the XFS filesystem is strongly recommended with the WiredTiger storage engine

2018-06-05T16:45:25.725+0800 I STORAGE  [initandlisten] **          See

2018-06-05T16:45:26.786+0800 I CONTROL  [initandlisten] 

2018-06-05T16:45:26.786+0800 I CONTROL  [initandlisten] ** WARNING: Access control is not enabled for the database.

2018-06-05T16:45:26.786+0800 I CONTROL  [initandlisten] **          Read and write access to data and configuration is unrestricted.

2018-06-05T16:45:26.786+0800 I CONTROL  [initandlisten] ** WARNING: You are running this process as the root user, which is not recommended.

2018-06-05T16:45:26.786+0800 I CONTROL  [initandlisten] 

2018-06-05T16:45:26.786+0800 I CONTROL  [initandlisten] 

2018-06-05T16:45:26.786+0800 I CONTROL  [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/enabled is 'always'.

2018-06-05T16:45:26.787+0800 I CONTROL  [initandlisten] **        We suggest setting it to 'never'

2018-06-05T16:45:26.787+0800 I CONTROL  [initandlisten] 

2018-06-05T16:45:26.787+0800 I CONTROL  [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/defrag is 'always'.

2018-06-05T16:45:26.787+0800 I CONTROL  [initandlisten] **        We suggest setting it to 'never'

2018-06-05T16:45:26.787+0800 I CONTROL  [initandlisten] 

> show dbs

chenfeng  0.003GB

local     0.000GB

test      0.003GB