Help Posts

What is the cntb tool? cntb is an open source command line interface developed by Contabo that allows you to easily manage Contabo products. This includes the S3 Object Storage. Please follow the instructions below to download and install cntb. How do I configure the cntb tool? To be able to use cntb with your […]

Can I increase the number if objects in my Object Storage? By default, you have a limit of 3 million objects in your Object Storage. For the majority of users this is a very high limit and is not something you need to worry about.  However, if you do need to increase the limit of objects

Does Contabo offer support for Coding? Please note that due to it’s complexity Contabo does not offer any support for coding / programming issues. The following information is not a step-by-step guide, but a few suggestions on setting this up. How do I use S3 Object Storage in my code? The S3 Object Storage API

Can I setup a custom domain for my Object Storage? Sometimes you may want to use your own custom domain name instead of the rather generic ones provided by default for your S3 compatible Object Storage. The S3 Object Storage is only available via TLS encrypted transport (https) in order to improve security. CNAME resource

How Can I Control Space Being Used On My Object Storage? With S3-compatible Object Storage in general, you may sometimes find that more space is reported as being used than you actually have. In practice, this happens for the following reasons Aborted multipart uploads Versioning is enabled The next sections cover these topics in more

Can I restrict users to specific buckets in Contabo’s Object Storage? You can restrict users to specific buckets to allow a specific user to use one bucket while another bucket should only be accessible to another user. The following describes how to allow access to buckets to a limited number of users. The following assumes

Does Contabo Object Storage support lifecycle policies? Contabo’s S3 Object Storage supports S3 lifecycle policies that allow you to automatically delete objects after a certain amount of time. This can be useful for pruning old backups or log files. Be careful when setting up lifecycle policies. They apply to all objects in a bucket and

Does Object Storage support versioning? With S3 compatible Object Storage, you can use versioning, which allows you to keep multiple versions of an object, so that when you upload an object/file with the same name the S3 Object Storage system will store a version of the previous contents.  This version is also stored in the

How do I disable object locking on my Object Storage? To disable object locking, you can execute the following API: aws –profile eu2 –region default –endpoint-url https://eu2.contabostorage.com s3api put-object-lock-configuration –bucket test-is-lock –object-lock-configuration ‘{ “ObjectLockEnabled”: “Enabled” }’ Details…

How do I backup my files stored on Contabo’s S3 Object Storage? Below is a guide on a simple way to perform a backup of your files. In the example we will be using rclone. You could use more specific tools to create e.g. archives of the files you want to backup and use rclone

Can I automatically share files from Object Storage publicly? Yes this is possible with the S3 API, you can find the steps on how to set this up below.  How do I automatically share files from Object Storage publicly? Setup your S3 tool. The easiest way is to use aws cli. Please make sure to have it

What is a pre-signed URL? A pre-signed URL is special S3 compliant URL used to share an object for a specific duration for everyone who has the URL.  How do I create a pre-signed URL? The easiest way to create the pre-signed URL is to use a tool as creating pre-signed URLs requires coding skills.

Can I mount S3 Object Storage files to my personal computer? It is possible to mount S3 Object Storage to your VPS/VDS or personal computer. This way you can access the files and folders of your S3 Object Storage like a local drive which makes usage more convenient. The methods to set this up are

How do I share Object Storage with selected users? It is possible to give access to buckets, files and folders to selected users rather than to the public.  To create and add a new user to your User Management list, follow these steps: Log in to the Customer Control Panel. Click “Object Storage” from the

How do I share Object Storage with the public? You can give access to buckets, files and folders to the public. For this, the you need to create a link to the file or folder in your storage to distribute and share it with the public. You can do this with the steps below: How