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Install MongoDB on Fedora 35 - Step by step guide ?

This article covers how to install the MongoDB database on your Fedora 35 system. In fact, MongoDB stores documents in collection. Collections are analogous to tables in relational databases. Every record in a mongoDB document, which is a data structure composed of field and pair values.


How to Run MongoDB Community Edition on Fedora ?

1. We can start MongoDB service using this command:

$ sudo systemctl start mongod

2. You can verify that the mongod process has started successfully by issuing the following command:

$ sudo systemctl status mongod

3. To make MongoDB start automatically when the system reboot, enter this command:

$ sudo systemctl enable mongod

Once we verify that our mongod process has started successfully, we can connect to MongoDB server. MongoDB provide an utility (shell) to interact with its database called mongosh.

4. To start a mongosh session on the same host machine as the MongoDB server (mongod), you can run mongosh without any command-line options:

$ mongosh

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Install MongoDB Compass in Ubuntu 20.04 - Step by step guide ?

This article covers the installation of the MongoDB compass on your Ubuntu 20.04 system. In fact, MongoDB Compass is a graphical tool for MongoDB that helps you to create, delete, read and update the database graphically. It is very similar to phpMyAdmin which allows you to explore your data, run the queries, and interact with the database.

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Install MongoDB ( NoSQL ) on Linux (Ubuntu 20.04) - Step by step process ?

This article will guide you on how to add MongoDB’s official #repository and install the latest stable release of MongoDB #NoSQL in the #Ubuntu 20.04 LTS system. 

Also, you will learn how to completely uninstall from the system in case you no longer need it.

MongoDB stores data in db folder within data folder. But, since this data folder is not created automatically, you have to create it manually. 

Remember that data directory should be created in the root (/).

To get stats about #MongoDB server, type the command db. stats() in MongoDB client. 

This will show the database name, number of collection and documents in the database.

In MongoDB, data is stored as documents. 

These documents are stored in MongoDB in JSON (JavaScript Object Notation) format. 

#JSON documents support embedded fields, so related data and lists of data can be stored with the document instead of an external table.

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Step by step process to install MongoDB on Linux Mint 20 ?

This article will guide you on methods to install MongoDB on #Linux #Mint 20 system. You can check #MongoDB status, and can also access its shell to pass #commands to this database.

MongoDB installs as a #systemd service, which means that you can manage it using standard systemd commands alongside all other sytem services in Ubuntu. To verify the status of the service, type: sudo systemctl status mongodb.

Companies and development teams of all sizes use MongoDB because: The document data model is a powerful way to store and retrieve data that allows developers to move fast. MongoDB's horizontal, scale-out architecture can support huge volumes of both data and traffic.

To start MongoDB in Debian:

1. Start MongoDB. Issue the following command to start mongod: sudo service mongod start.

2. Stop MongoDB. As needed, you can stop the mongod process by issuing the following command: sudo service mongod stop.

3. Restart MongoDB. Issue the following command to restart mongod: sudo service mongod restart.

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Unable to connect to MongoDB in Docker container - How to fix this error

This article covers solution to the error "Unable to connect to MongoDB in docker container".

Basically, this Docker error happens when there is a port issue.

if a container listens on 127.0.0.1, then the host can't map ports to it.

You need to listen on 0.0.0.0 or similar, and then the -p can reach the container's interface.


How do Docker ports work?

The -P command opens every port the container exposes. 

Docker identifies every port the Dockerfile exposes and the ones that are exposed with the Docker container build --expose parameter. 

Every exposed port is bound directly on a “random” port of the host machine.

The docker build command builds Docker images from a Dockerfile and a “context”. A build's context is the set of files located in the specified PATH or URL . 

The build process can refer to any of the files in the context. 

For example, your build can use a COPY instruction to reference a file in the context.

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