Many helpful tutorials available at Contabo!

Time and again you, our valued customers, contact us with questions regarding the administration of your server or system. Often, your inquiries cannot be answered quickly as either a thorough answer is required, including several process steps, or a detailed preparation is necessary on our part. Now we have collected all the interesting questions that […]

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How to check the health of your hard drive with smartmontools (in Linux)

A) Installation If you’re not sure about your admin rights, always enter the command sudo -i at the beginning of every session: sudo -i This command will grant you the rights of a power user, so you don’t have to write the command sudo at the beginning of every command line. To install smartmontools please

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What to do if your server is not reachable anymore

Interactive Guide In case you’re experiencing issues connecting to your server, our guide will walk you through common issues and how to resolve them: If the guide couldn’t help you or if you have been redirected here, please continue with creating a report for our customer support. Diagnostics and log files If your server should

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Creating static routes

All traffic in our network has to pass through our core-routers, additionally switch ports are configured in such a way that they only accept ethernet frames with mac addresses originating from these routers. Consequently, no layer-2 traffic is forwarded between switch ports and direct communication between servers, even when on the same subnet, is not

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Server caught flirting

Yesterday we have been informed by one our clients that spring fever does not only exist among human beings but probably also among servers – to be more precise, among two of our servers located in our data center. The following has happened to the client’s server: Today we wanted to perform some renames over

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