Automated Bash MongoDB 3.2 Install Script for Debian/ Ubuntu

Automated Bash MongoDB 3.2 Install Script for Debian/ Ubuntu

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Category : How-to

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mongodb-logoMongoDB is one of the leading noSQL breeds of database that’s been growing in popularity in recent years. The database is available in a ‘community edition’ that’s available for all to use freely.

The database setup and install is mostly straightforward however there are a few steps you have to take to get a MongoDB instance up and running.

The binaries aren’t shipped by the common Linux distributions so you’ll need to add the apt repositories hosted by mongodb.org. After installing the binaries there are a few config options that can be helpful to start with that are not contained in the default MongoDB install.

First off, create a file on your server called install_mongo.sh and copy the content of the script into it found in the below link.

MongoDB 3.2 Bash Install Script

vi install_mongo.sh

Then make the script executable and run it.

chmod +x install_mongo.sh
./install_mongo.sh

Once the script completes you’ll be able to connect to your MongoDB instance with admin/ admin.

mongo admin -u admin -p admin

MongoDB shell version: 3.2.7
connecting to: admin
rs1:PRIMARY>

What the MongoDB install script does

The following is a brief outline of the steps the script takes:

  1. Add the apt repository from mongodb.org and associated key.
  2. Install the full mongo-org package containing these packages: mongodb-org-server, mongodb-org-mongos, mongodb-org-shell, mongodb-org-tools.
  3.  Add a basic config file that:
    1. Enforces the wiredTiger storage engine.
    2. Enables remote access by listening on ALL interfaces.
    3. Enables replication, even if it’s just a stand alone node.
    4. Enables user authentication.
  4. Initiates the server as a replication cluster.
  5. Adds a user for administration called admin with password admin.

 

MongoDB 3.2 Bash Install Script

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Category : Supporting Scripts

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The below script installs MongoDB 3.2.x on Debian. Copy and paste the script into a file called install_mongo.sh and execute it as root.

#!/bin/bash
set -e

echo "Installing repo"
apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv EA312927

echo "deb http://repo.mongodb.org/apt/debian wheezy/mongodb-org/3.2 main" > /etc/apt/sources.list.d/mongodb-org-3.2.list


echo "Installing binaries"
apt-get update
apt-get install -y mongodb-org
service mongod stop


echo "Setting up default settings"
rm -rf /var/lib/mongodb/*
cat > /etc/mongod.conf <<'EOF'
storage:
  dbPath: /var/lib/mongodb
  directoryPerDB: true
  journal:
    enabled: true
  engine: "wiredTiger"

systemLog:
  destination: file
  logAppend: true
  path: /var/log/mongodb/mongod.log

net:
  port: 27017
  bindIp: 0.0.0.0
  maxIncomingConnections: 100

replication:
  oplogSizeMB: 128
  replSetName: "rs1"

security:
  authorization: enabled

EOF

service mongod start
sleep 5

mongo admin <<'EOF'
use admin
rs.initiate()
exit
EOF

sleep 5

echo "Adding admin user"
mongo admin <<'EOF'
use admin
rs.initiate()
var user = {
  "user" : "admin",
  "pwd" : "admin",
  roles : [
      {
          "role" : "userAdminAnyDatabase",
          "db" : "admin"
      }
  ]
}
db.createUser(user);
exit
EOF

echo "Complete"

Then connect to the local MongoDB instance

mongo admin -u admin -p admin

MongoDB shell version: 3.2.7
connecting to: admin
rs1:PRIMARY>

 

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