If there is a SSH server running at your destination server, you can use the scp command to send the file from your current working directory to the destination server. The file will contain the dump directory along with its subdirectories and files. When the command completes, you will be able to see the file in your current working directory. You can use the tar command to compress all the contents inside the dump directory into a single.
tar.gz file, we can transfer the exported data over to the destination server's file system easily. When we compress all the contents inside the dump directory into a single. tar.gz file in the source server's filesystem Using the tar command to compress the exported files as a single. Make sure that the user that is able to read from the database, if not you will encounter the following error:įailed: error connecting to db server: server returned error on SASL authentication step: Authentication failed. authenticationDatabase admin -db a_databaseĪs with the case of exporting data from a MongoDB server without access control, you will find similar output in the current working directory when the mongodump command completes. Mongodump -username auser -password apassword \
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Suppose you have a MongoDB user account with the username auser and password apassword created inside the database admin, you run the following command to extract the data from the database instance a_database from the MongoDB server listening at the default port of localhost: json files that describe the contents of the MongoDB database instance that you are exporting data from.Įxporting data from MongoDB server with access control And inside the a_database directory, you will find. Inside the dump directory, you will find the a_database directory. When you have a MongoDB server listening at the default port of localhost, you run the following command to export the data from the MongoDB database instance, a_database, onto the server's file system.Īfter the command completes, you will find a directory named as dump in the current working directory. Exporting data from MongoDB server without access control The way you run mongodump depends on whether access control is turned on for your MongoDB server. Exporting data from MongoDB server with mongodump This post discusses how you can perform MongoDB database migration with utilities provided by MongoDB and most Linux servers.
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Use the mongodump command to export the data of a MongoDB database instance as files in the source server's filesystem. MongoDB provides us with two utilities for performing database migration - mongodump and mongorestore.Ī simple MongoDB database migration can be performed in 5 steps: Migration of MongoDB database is part and parcel of DevOps, especially when you are running your own projects.
#Download mongodb for vm instace how to
How to migrate your MongoDB database instance with mongodump, mongorestore, tar and scp
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