Follow the steps below for MongoDB installation using tar distribution:
1. Download the stable release of MongoDB from here.
2. Extract the distribution
tar –xzvf mongodb-linux
3. Create a directory for mongo db in /opt.
mkdir /opt/mongodb
4. Move the distribution files to mongodb directory
mv mongolinux/* /opt/mongodb
5. Add mongodb directory in classpath
a. open bash_profile
sudo nano ~/.bash_profile
b. Modify path to ensure mongodb libraries are in the path
export PATH=<mongodb-install-directory>:$PATH
6. Before starting up the mongo, create a directory where the mongodb instance writes the stored data.
mkdir –p /opt/mongodata
This is optional. If not provided, mongodb would use the default /data/db directory to store the data.
7. Set permission for the data directory so that the user owning the mongod instance could read and write data to the directory
chown -R root:root /opt/mongodata
where root is the owner of mongod instance
OR
chown –R hadoop:hadoop /opt/mongodata
where hadoop is the owner of mongod and belongs to group hadoop.
8. Run mongodb
a. Make sure you have mongodb binaries in your PATH.
b. If using default directory for data storage then just give command
mongod
c. If using any other directory for storing data use command:
mongod --dbpath <path to data directory>
ex. mongod –dbpath /opt/mongodata
9. Stop Mongodb
Use CTRL+C to stop mongodb
10. Running mongodb as backend process
mongod --dbpath /opt/mongodata &
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