# 1. 导入MongoDB public GPG Key

sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 2930ADAE8CAF5059EE73BB4B58712A2291FA4AD5

# 2. 添加软件源

echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.6 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.6.list

# 3. 更新本地软件包

sudo apt-get update

# 4. 安装MongoDB

sudo apt-get install -y mongodb-org

根据教程，本地Ubuntu 16.04系统安装的是mongodb3.6，安装的时候提示如下，会安装下面相关几个软件包：

Get:1 https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.6/multiverse amd64 mongodb-org-shell amd64 3.6.0 [8,477 kB]

Get:2 https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.6/multiverse amd64 mongodb-org-server amd64 3.6.0 [14.9 MB]

Get:3 https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.6/multiverse amd64 mongodb-org-mongos amd64 3.6.0 [8,468 kB]

Get:4 https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.6/multiverse amd64 mongodb-org-tools amd64 3.6.0 [34.9 MB]

Get:5 https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.6/multiverse amd64 mongodb-org amd64 3.6.0 [3,524 B]          

$ sudo vim /etc/mongod.conf

# mongod.conf

# for documentation of all options, see:

#   http://docs.mongodb.org/manual/reference/configuration-options/

# Where and how to store data.

storage:

  dbPath: /var/lib/mongodb

  journal:

    enabled: true

#  engine:

#  mmapv1:

#  wiredTiger:

# where to write logging data.

systemLog:

  destination: file

  logAppend: true

  path: /var/log/mongodb/mongod.log

# network interfaces

net:

  port: 27017

  bindIp: 127.0.0.1

# how the process runs

processManagement:

  timeZoneInfo: /usr/share/zoneinfo

#security:

#operationProfiling:

#replication:

#sharding:

## Enterprise-Only Options:

#auditLog:

#snmp:

# 1. 启动MongoDB

sudo service mongod start

# 2. 验证MongoDB是否启动成功（在/var/log/mongodb/mongod.log文件中看到下面这一行就表示启动成功）

[initandlisten] waiting for connections on port 27017

# 3. 停止MongoDB进程

sudo service mongod stop

# 4. 重启MongoDB

sudo service mongod restart

# 5. 查看MongoDB运行状态

sudo service mongod status

# 查看版本

$ mongod --version

db version v3.6.0

git version: a57d8e71e6998a2d0afde7edc11bd23e5661c915

OpenSSL version: OpenSSL 1.0.2g  1 Mar 2016

allocator: tcmalloc

modules: none

build environment:

    distmod: ubuntu1604

    distarch: x86_64

    target_arch: x86_64

# 查看帮助信息

$ mongod --help

$ mongo   # 进入shell

MongoDB shell version v3.6.0

connecting to: mongodb://127.0.0.1:27017

MongoDB server version: 3.6.0

Welcome to the MongoDB shell.

For interactive help, type "help".

For more comprehensive documentation, see

    http://docs.mongodb.org/

Questions? Try the support group

    http://groups.google.com/group/mongodb-user

> show dbs;  # 查看数据库列表

admin   0.000GB

config  0.000GB

local   0.000GB

>