In this tutorial we will learn,how to install MongoDB server on Ubuntu 12.04 LTS.
MongoDB is one the popular nosql database.It is a cross-platform document-oriented database system.MongoDB has its interactive shell called mongo .In recent years,many companies started using MongoDB.To know about more details on MongoDB,you can visit the Wikipedia link
How to install MongoDB server on Ubuntu 12.04 LTS
To install MongoDB server on Ubuntu 12.04 LTS,follow the given below steps.
Step 1: Log into your Ubuntu system and run below given command
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10 sudo echo 'deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen' | sudo tee /etc/apt/sources.list.d/mongodb.list
Step 2: Now update the apt source
sudo apt-get update
Step 3: Install MongoDB with apt-get command.It will install the latest
stable MongoDB in the system.
sudo apt-get install mongodb-10gen
Step 4: After installing the mongodb in Ubuntu.It will be automatically started.
You can check the running status by using the below given command
sudo service mongodb status
Alternatively, you can also use the ps command.It will show the running process
ps -ef|grep mongo
Given below is the example from my system
root@ubuntu:~# ps -ef|grep mongodb
mongodb 2841 1 7 14:05 ? 00:00:08 /usr/bin/mongod –config /etc/mongodb.conf
root 2861 2392 0 14:07 pts/0 00:00:00 grep –color=auto mongodb
root@ubuntu:~#
To stop the MongoDB run below given command
service mongodb stop
To start the MongoDB run below given command
service mongodb start
To restart the MongoDB run below given command
service mongodb restart
Step 5: You can check the listening port of running MongoDB by using netstat command.
NOTE: MongoDB using the port no. 27017 and 28017
(MongoDB default port number)
netstat -tanp |grep mongo
Below given is reference from my system
root@ubuntu:~# netstat -tanp|grep mongo
tcp 0 0 0.0.0.0:27017 0.0.0.0:* LISTEN 2841/mongod
tcp 0 0 0.0.0.0:28017 0.0.0.0:* LISTEN 2841/mongod
root@ubuntu:~#
Step 6 : To acces the MongoDB console,you have to run only mongo command
When first time you run mongo command,you will get welcome message as well as MongoDB version information
See the below given reference
root@ubuntu:~# mongo MongoDB shell version: 2.4.9 connecting to: test Welcome to the MongoDB shell. For interactive help, type "help". For more comprehensive documentation, see http://docs.mongodb.org/ Questions? Try the support group http://groups.google.com/group/mongodb-user >
Now you will be at mongo console
To exit from mongo console
To exit from mongo console.In console type the command exit and hit enter.
You can also press CTRL + D key from your keyboard for exit .You will bye message on exit.
See below given example for exit from mongo console.Because now I am again entering into mongo console,the welcome message will not be there.
Other important information of MongoDB
(1) MongoDB configuration path is /etc/mongodb.conf.
root@ubuntu:~# cat /etc/mongodb.conf |egrep -v '^#|^$' dbpath=/var/lib/mongodb logpath=/var/log/mongodb/mongodb.log logappend=true root@ubuntu:~#
Note: I used the command egrep -v '^#|^$', to do not show commented lines(#) and blank lines from the file /etc/mongodb.conf. the file has lots of commented options.
(2) MongoDB data directory bydefault path is /var/lib/mongodb
Below given is the reference from my system.
root@ubuntu:~# ls -l /var/lib/mongodb/ total 81932 drwxr-xr-x 2 mongodb nogroup 4096 Feb 16 18:40 journal -rw------- 1 mongodb nogroup 67108864 Feb 16 18:40 local.0 -rw------- 1 mongodb nogroup 16777216 Feb 16 18:40 local.ns -rwxr-xr-x 1 mongodb nogroup 5 Feb 16 18:40 mongod.lock root@ubuntu:~#
(3) MongoDB log file path is /var/log/mongodb/mongodb.log