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I am trying to install mongodb on ubuntu 16.10, though it's not listed in supported versions. I first got this error trying to start the mongo shell:

MongoDB shell version v4.0.0
connecting to: mongodb://127.0.0.1:27017
2018-07-12T11:15:00.464+0200 E QUERY    [js] Error: couldn't connect 
to server 127.0.0.1:27017, connection attempt failed: SocketException: 
Error connecting to 127.0.0.1:27017 :: caused by :: Connection refused 
:
connect@src/mongo/shell/mongo.js:251:13
@(connect):1:6
exception: connect failed

I tried running sudo service mongod start but I'm getting Unit mongod.service not found. I also tried modifying the mongodb.service file, checking for locked files, running repair commands and reinstalling mongo.

Logging files are not found in the specified location in mongod.conf, there is no mongodb directory in /var/log.

noran
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  • You may want to take a look at this: https://stackoverflow.com/questions/12232166/mongodb-on-ubuntu-wont-start-as-a-service-nothing-in-the-log – gcourtet Jul 12 '18 at 09:41
  • There are no mongodb directories either in `var/log` or `var/lib` – noran Jul 12 '18 at 10:08

1 Answers1

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You need to create mongodb service in systemd.

sudo vim /etc/systemd/system/mongodb.service

Content:

[Unit]
Description=High-performance, schema-free document-oriented database
After=network.target
[Service]
LimitFSIZE=infinity
LimitCPU=infinity
LimitAS=infinity
LimitNOFILE=64000
LimitNPROC=64000
User=mongodb
ExecStart=/usr/bin/mongod --config /etc/mongod.conf
[Install]
WantedBy=multi-user.target

Auto start in startup:

sudo systemctl enable mongodb

Start/Stop/Status:

sudo systemctl start/stop/status mongodb
sudo service mongodb start/stop/status
Hoang
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  • The mongodb.service file was there already. When i try `sudo systemctl enable mongodb` i get fail to enable unit: bad message. – noran Jul 12 '18 at 10:03
  • This is the output to`sudo systemctl status mongodb`: `● mongodb.service Loaded: error (Reason: Bad message) Active: inactive (dead)` – noran Jul 12 '18 at 10:06
  • You run "tail -f /var/log/syslog", and other console, run above command again and see output in tail console. – Hoang Jul 12 '18 at 10:09