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Because of security issue in NTP (CVE-2014-9295) I need to update NTP-deamon on a Debian Squeeze (it is the Proxmox 2.x installation). The problem is that it is a productional system and I can not test the update commands on a test system. So, I need to know clearly how to update this system. I am very thankful to people who help me.

1 Answer 1

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If you don't have a test system, then make one for yourself:

  1. Install Virtualbox, VMware Workstation, etc. on your workstation.
  2. Install a Debian Squeeze server within #1 so that its configuration matches production. (You're using configuration management, right?!? So this should be really easy)
  3. Take a snapshot of the VM.
  4. Test upgrading. If upgrade fails, revert to the snapshot and try again.

That's really all you need to do.

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  • Thank you for your answer, but at the moment I can not create a test invironment.
    – esud
    Dec 22, 2014 at 5:50
  • Sorry, but you need one. Advocate for yourself. Virtualbox is free. You cannot call yourself a professional sysadmin if you are unable to do this sort of rudimentary testing.
    – EEAA
    Dec 22, 2014 at 5:52

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