Unit mongodb.service could not be found. code example

Example 1: Failed to enable unit: Unit file mongod.service does not exist.

> sudo systemctl enable mongodb.service

Example 2: Unit mongodb.service could not be found ubuntu

sudo systemctl unmask mongod
sudo service mongod start

Example 3: Failed to start mongod.service: Unit mongod.service not found.

$service mongodb start
$service mongodb status

Example 4: Failed to enable unit: Unit file mongod.service does not exist.

> systemctl list-unit-files --type=service
...
mongodb.service             disabled
...

Example 5: Failed to enable unit: Unit file mongod.service does not exist.

> systemctl list-unit-files --type=service 
...
mongodb.service             enabled
...

Example 6: Failed to enable unit: Unit file mongod.service does not exist.

> cd /lib/systemd/system
> sudo touch mongodb.service
> sudo nano mongodb.service
[Unit]
Description=An object/document-oriented database
Documentation=man:mongod(1)
After=network.target

[Service]
User=mongodb
Group=mongodb
ExecStart=/usr/bin/mongod --quiet --config /etc/mongodb.conf

[Install]
WantedBy=multi-user.target

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