Installing and Running MongoDB on OSX

Question

If someone can provide some insights here I would GREATLY appreciate it    I am new to MongoDB  and  relatively  new to the command line    I had a express node js app running on MongoDB locally successfully  but upon restarting my computer  I attempted to restart the Mongo server and it began giving errors and wouldn t start  Since then  I have re-installed Mongo several times only to find the same error occurring  this is what I am receiving   privee mongodb-osx-x86 64-2 4 6 jonlinton    bin mongo MongoDB shell version  2 4 6 connecting to  test Mon Aug 26 14 48 47 168 Error  couldn t connect to server 127 0 0 1 27017 at     src mongo shell mongo js 145 exception  connect failed   Am I missing a step  Should I be creating a config file  Some basic guidance would be really helpful  Thanks in advance for any insights

User · Accepted Answer

Assuming you have created the data db directory under bin after install     Start a terminal for your mongo server Go to  lt mongodb-install-directory gt  bin directory Run the command    mongod Start a terminal for your mongo shell Go to  lt mongodb-install-directory gt  bin directory Run the command  make sure you put the name of the database     mongo test

User · Answer

Nothing less likely to be outdated that the official docs  https   docs mongodb com manual tutorial install-mongodb-on-os-x

User · Answer

Mac Installation    Install brew   ruby -e    curl -fsSL https   raw githubusercontent com Homebrew install master install    Update and verify you are good with   brew update brew doctor  Install mongodb with   brew install mongodb  Create folder for mongo data files    mkdir -p  data db  Set permissions   sudo chown -R  id -un   data db  Open another terminal window  amp  run and keep running a mongo server daemon  mongod  Return to previous terminal and run a mongodb shell to access data  mongo    To quit each of these later    The Shell    quit    The Server   ctrl-c

User · Answer

Make sure you are logged in as root user in your terminal   Steps to start mongodb server in your mac   Open Terminal Run the command sudo su Enter your administrator password run the command mongod MongoDb Server starts   Hope it helps you  Thanks

User · Answer

If you have installed mongodb through homebrew then you can simply start mongodb through  brew services start mongodb   Then access the shell by   mongo   You can shut down your db by  brew services stop mongodb   You can restart your db by  brew services restart mongodb   For more options   brew info mongodb

User · Answer

additionally you may want mongo to run on another port  then paste this command on terminal  mongod --dbpath  data db  --port 27018  where 27018 is the port we want mongo to run on assumptions  mongod exists in your bin i e  usr local bin  for mac   which would be if you installed with brew   otherwise you d need to navigate to the path where mongo is installed the folder  data db  exists

User · Answer

Problem here is you are trying to open a mongo shell without starting a mongo db which is listening to port 127 0 0 1 27017 deafault for mongo db  thats what the error is all about   Error  couldn t connect to server 127 0 0 1 27017 at src mongo shell mongo js 145 exception  connect failed   The easiest solution is to open the terminal and type    mongod --dbpath   data db   Note  dbpath here is  Users user  where data db directories are created  i e   you need to create directory data and sub directory db in your user folder  For e g say        Users johnny data   After mongo db is up  Open another terminal in new window and type    mongo   it will open mongo shell with your mongo db connection opened in another terminal

User · Answer

Updated answer  9 2 2019    Homebrew has removed mongodb formula from its core repository  see this pull request   The new way to install mongodb using Homebrew is as follows     gt  brew tap mongodb brew   gt  brew install mongodb-community   After installation you can start the mongodb service by following the caveats     gt  brew info mongodb-community mongodb brew mongodb-community  stable 4 2 0 High-performance  schema-free  document-oriented database https   www mongodb com  Not installed From  https   github com mongodb homebrew-brew blob master Formula mongodb-community rb    gt  Caveats To have launchd start mongodb brew mongodb-community now and restart at login    brew services start mongodb brew mongodb-community Or  if you don t want need a background service you can just run    mongod --config  usr local etc mongod conf   Deprecated answer  8 27 2019    I assume you are using Homebrew  You can see the additional information that you need using brew info  FORMULA    gt  brew info mongo                                                           255 mongodb  stable 2 4 6  devel 2 5 1 http   www mongodb org   usr local Cellar mongodb 2 4 5-x86 64  20 files  287M      Built from source From  https   github com mxcl homebrew commits master Library Formula mongodb rb    gt  Caveats To reload mongodb after an upgrade      launchctl unload   Library LaunchAgents homebrew mxcl mongodb plist     launchctl load   Library LaunchAgents homebrew mxcl mongodb plist   Caveats is what you need to follow after installation

User · Answer

For those that could be facing the same problem and the solutions suggested above aren t working  for example in my case  I had installed mongodb-community  so you might wanna run the command below to restart your mongo server  For those that installed mongodb-community using brew brew services start mongodb-community

User · Answer

Download MongoDB and install it on your local machine  Link https   www mongodb com try download enterprise Extract the file and put it on the desktop  Create another folder where you want to store the data  I have created mongodb-data folder  Then run the below command  Desktop mongodb bin mongod --dbpath  Users yourname Desktop mongodb-data   Before the hyphen is the executable path of your mongoDB and after hyphen is your data store

User · Answer

mongo   gt  mongo-db console mongodb   gt  mongo-db server   If you re on Mac and looking for a easier way to start stop your mongo-db server  then MongoDB Preference Pane is something that you should look into  With it  you start stop your mongo-db instance via UI  Hope it helps

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