Refer: https://www.maketecheasier.com/ubuntu-software-center-not-working-fixes/
sudo apt update && sudo apt -y upgrade
sudo apt autoremove gnome-software && sudo apt install gnome-software
sudo apt update && sudo apt dist-upgrade -f
Installing MongoDB in Ubuntu 12.04
Unable to install latest version in Ubuntu 12.04
Refer: http://gordoncluster.wordpress.com/2013/07/12/how-to-install-mongodb-on-virtualbox-ubuntu-12-04/
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv 7F0CEB10
echo 'deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen' | sudo tee /etc/apt/sources.list.d/10gen.list
sudo apt-get update
We're going to specifically install an older version (you will need to run this as root):
sudo su -
apt-get install mongodb-10gen=2.2.3
The service should already be running, the output: mongodb start/running, process 2254
sudo service mongodb status | stop | start
now we just run:
mongo
The output you should see is:
MongoDB shell version: 2.2.3
connecting to: test
>
UI Tools
http://www.robomongo.org/
MongoDB Restore
$ mongorestore --drop testcms