ubuntu16下安装mongodb 3.6

# 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:

# 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