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When I try to run mongo in shell in ubuntu or open rockmongo I see this error:
couldn't connect to server 127.0.0.1:27017 at src/mongo/shell/mongo.js:145
What's the reason? I tried to reinstall mongo but this didn't help. When I type sudo apt-get purge mongodb-10gen returned error is
E: Sub-process /usr/bin/dpkg returned an error code (1)
I tried this:
run this commands:
sudo dpkg pr mongofb-10gen
sudo apt-get -f install
sudo apt-get upadte
sudo apt-get upgrade
then sudo apt-get purge mongodb-10gen is successful
at the end:
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv 7F0CEB10
add deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen in /etc/apt/sources.list
sudo apt-get update
sudo apt-get install mongodb-10gen
Then when I try to start mongo i saw the same error. :o
480
These are some of the solutions: Ensure that your MongoDB instance is running: Compass must connect to a running MongoDB instance. Also check you have installed MongoDB and have a running mongod process. You should also check that the port where MongoDB is running matches the port you provide in the compass connect.
To connect to your local MongoDB, you set Hostname to localhost and Port to 27017 . These values are the default for all local MongoDB connections (unless you changed them). Press connect, and you should see the databases in your local MongoDB.
MongoDB can be managed remotely or connected to a separate application server by making a few changes to the default configuration. First, we'll install the MongoDB using the docker container, then configure the MongoDB installation to access from a trusted remote machine securely.
I assume that you followed the steps, outlined here.
Most probably you have a problem with mongo lock (or at least I had it once while installing on ubuntu). I solved it with the following commands:
sudo rm /var/lib/mongodb/mongod.lock
sudo service mongodb restart
P.S. I by myself recently experienced this problem when I was updating my amazon ec2 instance. I have not properly shut down mongo before doing this and this resulted in a problem with mongo lock.
57
Check your log file of mongodb. you will get to know the exact issue.
tail -f /var/log/mongodb/mongodb.log
The issue may because of "ERROR: Insufficient free space for journal files"
Increase your volume space that will fix your issue.
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