MongoDB

Installation on Linux OS

MongoDb Installation on Ubuntu 12.04 - 2.6 version with text search

# apt-get update

# apt-get install mongodb-org

This installs 4 packages: mongodb-org-mongos, mongodb-org-server, mongodb-org-shell and mongodb-org-tools

# mongo --version

MongoDB shell version: 2.6.10

 

 

MongoDB Installation on CentOS 6.5

#yum remove mongodb-server-2.4.13-1.el6.x86_64    -if previos version exists, remove it

#vim /etc/yum.repos.d/mongodb.repo       - create repo for 64-bit system

[mongodb]
name=MongoDB Repository
baseurl=http://downloads-distro.mongodb.org/repo/redhat/os/x86_64/
gpgcheck=0
enabled=1

# yum install mongodb-org

# mongo --version

MongoDB shell version: 2.6.10

 

 

Controlling Mongo - Ubuntu

1. Check MongoDB process

#ps aux | grep mongo

mongodb   4704  0.2  2.2 156200 45584 ?        Ssl  17:54   0:00 /usr/bin/mongod --config /etc/mongodb.conf

runs on process 4704 with configuration in /etc/mongodb.conf

 

2.service commands - works on Centos 6.5

#service mongodb status

mongodb start/running, process 4704

 

#service mongod stop

#service mongod start

#service mongod restart

 

Sometimes on error lock file is generated. Delete /var/lib/mongodb/mongod.lock

 

 3. Get the version

#mongo -version

MongoDB shell version: 2.4.12

 

 4. Check if the MongoDB will start on boot

#chkconfig --list mongodb

 mongodb                   0:off  1:off  2:off  3:off  4:off  5:off  6:off

 

 5. Check Mongo port

#netstat -an | grep mongo

 unix  2      [ ACC ]     STREAM     LISTENING     8994     /tmp/mongodb-27017.sock

 

#lsof -iTCP -sTCP:LISTEN | grep mongo

mongod     1004  mongodb    7u  IPv4   8993      0t0  TCP *:27017 (LISTEN)
mongod     1004  mongodb    9u  IPv4   8995      0t0  TCP *:28017 (LISTEN)

 

6. run in browser http://localhost:28017/

 

 

 

 

Controlling Mongo - Ubuntu 12.04

1. start mongod server

#mongod --config /etc/mongod.conf

#mongod --fork    - starting process in background

 

2. stop mongod server

#mongod --shutdown --config /etc/mongod.conf

 

or

 

# mongo

> use admin

> db.shutdownServer()

 

 

 

 

 Config file /etc/mongod.conf for Ubuntu 12.04

# mongod.conf - Mongo 2.6

#where to log
logpath=/var/log/mongodb/mongod.log
logappend=true

# fork and run in background
fork=true

#port=27017

dbpath=/var/lib/mongodb

# location of pidfile
pidfilepath=/run/mongod.pid

# Listen to local interface only. Comment out to listen on all interfaces.
bind_ip=0.0.0.0

# Disables write-ahead journaling
# nojournal=true

# Enables periodic logging of CPU utilization and I/O wait
#cpu=true

# Turn on/off security.  Off is currently the default
#noauth=true
#auth=true

# Verbose logging output.
#verbose=true

# Inspect all client data for validity on receipt (useful for
# developing drivers)
#objcheck=true

# Enable db quota management
#quota=true

# Set oplogging level where n is
#   0=off (default)
#   1=W
#   2=R
#   3=both
#   7=W+some reads
#diaglog=0

# Ignore query hints
#nohints=true

# Enable the HTTP interface (Defaults to port 28017).
#httpinterface=true

# Turns off server-side scripting.  This will result in greatly limited
# functionality
#noscripting=true

# Turns off table scans.  Any query that would do a table scan fails.
#notablescan=true

# Disable data file preallocation.
#noprealloc=true

# Specify .ns file size for new databases.
# nssize=<size>

# Replication Options

# in replicated mongo databases, specify the replica set name here
#replSet=setname
# maximum size in megabytes for replication operation log
#oplogSize=1024
# path to a key file storing authentication info for connections
# between replica set members
#keyFile=/path/to/keyfile