配置系统源

cat /etc/yum.repos.d/MongoDB-org-4.2.repo

[mongodb-org-4.2]
name=MongoDB Repository
baseurl=https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/4.2/x86_64/
gpgcheck=1
enabled=1
gpgkey=https://www.mongodb.org/static/pgp/server-4.2.asc

安装

yum install -y mongodb-org
systemctl start mongod.service

配置用户

use admin
db.createUser({ user:"root", pwd:"123456", roles:["root"] })
use test
db.createUser({ user:"admin", pwd:"123456", roles:["dbOwner"] })

修改配置文件/etc/mongod.conf

# mongod.conf

# for documentation of all options, see:
#   http://docs.mongodb.org/manual/reference/configuration-options/

# where to write logging data.
systemLog:
  destination: file
  logAppend: true
  path: /var/log/mongodb/mongod.log

# Where and how to store data.
storage:
  dbPath: /data/mongo
  journal:
    enabled: true
#  engine:
#  wiredTiger:

# how the process runs
processManagement:
  fork: true  # fork and run in background
  pidFilePath: /var/run/mongodb/mongod.pid  # location of pidfile
  timeZoneInfo: /usr/share/zoneinfo

# network interfaces
net:
  port: 27017
  bindIp: 0.0.0.0  # Enter 0.0.0.0,:: to bind to all IPv4 and IPv6 addresses or, alternatively, use the net.bindIpAll setting.

security:
  authorization: "enabled"

#operationProfiling:

#replication:

#sharding:

## Enterprise-Only Options

#auditLog:

#snmp: