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    XCP-ng 8.2 updates announcements and testing

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    • stormiS Offline
      stormi Vates 🪐 XCP-ng Team
      last edited by

      Update published. Thanks for the tests!

      https://xcp-ng.org/blog/2022/12/21/december-2022-security-update/

      1 Reply Last reply Reply Quote 1
      • gduperreyG Offline
        gduperrey Vates 🪐 XCP-ng Team
        last edited by

        New Update Candidates (xen, xapi, templates)

        • Xen: Enable AVX-512 by default for EPYC Zen4 (Genoa)
        • Xapi: Redirect http requests on the host webpage to https by default.
        • Guest templates:
          • Add the following templates: RHEL 9, AlmaLinux 9, Rocky Linux 9, CentOS Stream 8 & 9, Oracle Linux 9

        Test on XCP-ng 8.2

        From an up to date host:

        For Xen, Xapi and Guest templates:

        yum clean metadata --enablerepo=xcp-ng-testing
        yum update xen-dom0-libs xen-dom0-tools xen-hypervisor xen-libs xen-tools xapi-core xapi-tests xapi-xe guest-templates-json guest-templates-json-data-linux guest-templates-json-data-other guest-templates-json-data-windows --enablerepo=xcp-ng-testing
        reboot
        

        Versions:

        • xen-*: 4.13.4-9.29.1.xcpng8.2
        • xapi-*: 1.249.26-2.2.xcpng8.2
        • guest-templates-json-*: 1.9.6-1.2.xcpng8.2

        What to test

        Normal use and anything else you want to test. The closer to your actual use of XCP-ng, the better.

        Test window before official release of the updates

        No precise ETA, but the sooner the feedback the better.

        A N 3 Replies Last reply Reply Quote 0
        • A Online
          Andrew Top contributor @gduperrey
          last edited by

          @gduperrey Mirror error

          failure: repodata/6b271e84b07dced2015bb0d835fb0ec1be1d308d92010993d44a1af0c130aa9f-primary.sqlite.bz2 from xcp-ng-testing: [Errno 256] No more mirrors to try.
          http://mirrors.xcp-ng.org/8/8.2/testing/x86_64/repodata/6b271e84b07dced2015bb0d835fb0ec1be1d308d92010993d44a1af0c130aa9f-primary.sqlite.bz2: [Errno 14] HTTP Error 404 - Not Found
          
          Name:   mirrors.xcp-ng.org
          Address: 37.26.189.194
          
          1 Reply Last reply Reply Quote 0
          • A Online
            Andrew Top contributor @gduperrey
            last edited by

            @gduperrey The repository seems to work now....

            1 Reply Last reply Reply Quote 1
            • gduperreyG gduperrey referenced this topic on
            • stormiS Offline
              stormi Vates 🪐 XCP-ng Team
              last edited by

              Unrelated to the above: a security update for sudo was published. I don't think it's very likely to be an actual threat in the context of your use of XCP-ng, but it might be in specific contexts.

              https://xcp-ng.org/blog/2023/01/31/january-2023-security-update/

              brezlordB 1 Reply Last reply Reply Quote 0
              • brezlordB Offline
                brezlord @stormi
                last edited by brezlord

                @stormi Applied the update through XO and now XO can not login to the host with the below error.

                connect ECONNREFUSED 192.168.40.201:443
                

                I rebooted the host and I can no longer login as root.

                ssh: connect to host 192.168.40.201 port 22: Connection refused
                

                Any ideas?

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                • stormiS Offline
                  stormi Vates 🪐 XCP-ng Team
                  last edited by stormi

                  Was it the only update applied? Is the stunnel service running?

                  Oh, I also read that you can't connect as root.

                  brezlordB 1 Reply Last reply Reply Quote 0
                  • brezlordB Offline
                    brezlord @stormi
                    last edited by

                    @stormi Yes only update.

                    1 Reply Last reply Reply Quote 0
                    • stormiS Offline
                      stormi Vates 🪐 XCP-ng Team
                      last edited by

                      Were you using sudo on the host before?

                      brezlordB 1 Reply Last reply Reply Quote 0
                      • brezlordB Offline
                        brezlord @stormi
                        last edited by

                        @stormi No just default install

                        1 Reply Last reply Reply Quote 0
                        • stormiS Offline
                          stormi Vates 🪐 XCP-ng Team
                          last edited by

                          I hardly see a cause-effect link between the update and the issues (both SSH and XAPI not responding anymore?), but computers are full of surprises.

                          Did you change the firewall configuration? Could the IP address have changed or the same be attributed to another device?

                          brezlordB 1 Reply Last reply Reply Quote 0
                          • brezlordB Offline
                            brezlord @stormi
                            last edited by

                            @stormi Done nothing but apply the update through XO web console. I have yanked the plug and making sure it actually reboots.

                            1 Reply Last reply Reply Quote 0
                            • brezlordB Offline
                              brezlord
                              last edited by

                              That fixed it I can login via ssh with root and XO sees the host.

                              1 Reply Last reply Reply Quote 0
                              • stormiS Offline
                                stormi Vates 🪐 XCP-ng Team
                                last edited by

                                Maybe it was still rebooting, stuck on the shutdown phase, waiting for some kind of I/O or something. This would explain why it didn't respond.

                                brezlordB 1 Reply Last reply Reply Quote 0
                                • olivierlambertO Offline
                                  olivierlambert Vates 🪐 Co-Founder CEO
                                  last edited by olivierlambert

                                  I concur. If the shutdown process is stuck somewhere (eg an NFS share), you can't connect at all (connection refused in SSH, no XAPI connection) and it can stays like this for a while.

                                  1 Reply Last reply Reply Quote 0
                                  • brezlordB Offline
                                    brezlord @stormi
                                    last edited by

                                    @stormi It was not responding after the update from XO. I could long in via ssh and restarted the tool stack but this did not help XO still could not login. I issued a reboot command via ssh which dropped the ssh session and the host did not reboot most likely due to running VMs. I then yanked the power and the host rebooted and everything is working as it should. The update definitely caused the issue.

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                                    • olivierlambertO Offline
                                      olivierlambert Vates 🪐 Co-Founder CEO
                                      last edited by

                                      I did update my home lab without any issue, before, during and after the update (I did test just after the update without any reboot).

                                      brezlordB 1 Reply Last reply Reply Quote 0
                                      • brezlordB Offline
                                        brezlord @olivierlambert
                                        last edited by

                                        @olivierlambert This is my home lab as well running on a small form factor PC with an Intel(R) Core(TM) i7-10700 CPU @ 2.90GHz

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                                        • stormiS Offline
                                          stormi Vates 🪐 XCP-ng Team
                                          last edited by stormi

                                          XO restarts the toolstack after installing updates. So what first went wrong is this: it couldn't restart. You can't say for sure it's caused by the update, because there are many other reasons that can make this fail. The logs would tell. For example a known bug, being fixed, in xenospd-xc, which makes it unable to restart when something specific happened to VM metadata.

                                          So we'll keep an eye and ears open for any other occurrence of this issue in relation with the update, but I still think there's little chance an update of sudo would itself cause this.

                                          We'll do a few additional tests to see if we can reproduce.

                                          brezlordB 1 Reply Last reply Reply Quote 0
                                          • brezlordB Offline
                                            brezlord @stormi
                                            last edited by

                                            @stormi If you direct me to where the log you need are I can provide them.

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