What is Rescue System?

David Beroff

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I saw this term when checking a dedicated server offer. What is Rescue System?
 

tuxandrew

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Rescue system refers to emergency recovery option, through which you may access the remote server in case if server operating system is crashed.
You may perform all crash recovery operations remotely even if the server is offline.

Few DC's/Service providers offer Rescue Systems facility , along with their severs so that during down times the customers can manage their servers from their end, without contacting the DC Engineers except for any hardware related issue.
 

David Beroff

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tuxandrew

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tuxandrew
Yes, there are lots of unofficial tutorial available on internet, but the troubleshooting steps and methods might be varied based on the actual issue.

Some Data centers have their own documentations for generic problems. Also we should be familiar with some of the core command line operations to perform.

Suppose the operating system is completely crashed for some reasons, on such cases the server file system should be accessed through rescue mode for recovery operations.

For emergencies, IPMI/KVM based console access should be provided by the Data centers. You may manage to get the rescue mode console through this.
 
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HowTekno

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What tuxandrew said is correct. In your case looking at offers and it said it will be delivered in rescue mode. So it is basically said that it will not have any os installed on it. You will have to do it yourself. Normally Datacernts have a command in the rescue mode to start custom made script to install any os you like, like hetzner.
 
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