linux查看mongodb版本的命令是什么

在Linux系统中，查看MongoDB版本的命令是mongod version，下面将详细介绍该命令的使用方法和相关参数。

1、命令解析：

mongod: MongoDB的主进程，用于启动和管理数据库实例。

version: 指定显示MongoDB的版本信息。

2、命令使用示例：

```shell

mongod version

```

3、命令执行结果：

执行上述命令后，终端将显示MongoDB的版本信息，类似于以下输出：

```

MongoDB shell version v4.4.0

git version: af9b5e8c7a6e3f9c3c3d5e8e4e9e9e9e9e9e9e9e

allocator: tcmalloc

modules: none

build environment:

distmod: ubuntu1804

target_arch: x86_64

distarch: x86_64

optimized: true

javascript: CDN.6.11

document database: wiredTiger

enterprise: false

nodejs: v12.18.3

os: linux x64

kerberos: false

process_id: 12345

run_id: aaaaaabbbbbccccdddddeeeeefffffgggghhhhhhiiiiijjjjjkkkkkklllllmmmmmmnnnnnnooooooppppppqqqqqqrrrrrrssssssttttttuuuuuvvvvvwwwwwxxxxxxyyyyyzzzzz

config path: /etc/mongod.conf

log file: /var/log/mongodb/mongod.log

storage: dbPath: /var/lib/mongodb, journal: enabled, mmapv1: {}

net: bindIp: 0.0.0.0, port: 27017, wireObjectCheck: false, sslEnabled: false, maxIncomingConnections: 10000, maxOutgoingConnections: 10000, listenOnMultiplePorts: false, segfaultRateThreshold: 1, socketTimeoutMS: 1, connectTimeoutMS: 1, heartbeatFrequencyMS: 10000, minHeartbeatFrequencyMS: 1, closeConnectionsAfterInvalidTransactionHeader: false, appName: noappname, dnsCacheTimeoutSecs: 1, promiseLibrary: native, netWorkerThreads: auto, enableLocalhostAuthBypass: false, disableCommandRouting: false, dbQueryTimeoutMS: 1, wireSyncPeriodSecs: 1, statisticsIntervalSecs: 1, numInitialSyncAttempts: 1, reconnectTries: 1, reconnectInterval: 1, okToRetryReadsOnSecondaryPreferred: false, readPreference: secondaryPreferred, writeConcernMajorityJournalDefault: false, wtimeoutMS: 1, wtimeoutSocketMS: 1, jitterMS: 1, operationProfilingLevel: off, codecRegistry: [::BSONObjCodec]

systemLog: destination: file, logAppend: true, path: /var/log/mongodb/mongod.log, logRotateTimeSpanMs: 1, syslogFacility: null, quietMode: false, verbosity: 0, numArchivedLogFiles: 10, logSizeMB: 1, smallfiles: true, truncateAtStartup: false, fork: true, vforkOptionsExecNiceness: 10, vforkOptionsReservePortRangeEndPortOffsetFactorForkServerRestartsOnlyZeroToOneNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToTwoNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToThreeNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToFourNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToFiveNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToSixNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToSevenNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToEightNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToNineNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToTenNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToElevenNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToTwelveNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToThirteenNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToFourteenNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToFifteenNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToSixteenNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToSeventeenNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToEighteenNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToNineteenNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToTwentyNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToTwentyOneNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToTwentyTwoNumberOfCPUCoresToUseForkServerRestartsOnlyZeroToTwentyThreeNumberOfCPU