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    Xen Orchestra on Ubuntu 15.10 - Complete installation instructions

    IT Discussion
    how to xen orchestra ubuntu 15.10 debian xen open source ubuntu linux xenserver
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    • scottalanmillerS
      scottalanmiller @Dashrender
      last edited by

      @Dashrender said:

      Does Long Term Support even matter though? Is that for a situation where you can't upgrade the OS because of some limitation of the software running on top of it?

      Assuming the software will run on the latest, isn't that really the only place to be, support and patch wise?

      So that's an interesting thought and I lean the way that you are thinking. But you can't guarantee forward compatibility in all cases. So I'd say "it depends." For most things, especially desktops, web apps and non-critical systems, I would go for "rolling releases" like Fedora and OpenSuse Tumbleweed or Ubuntu "current release" to make sure that I was always completely up to date. This eliminates a lot of migration risk and deprecation risk down the road.

      But when running apps that needs serious stability, long term testing and vendor support, it is often best to choose CentOS or OpenSuse Leap with super long, very stable release cycles and hard core support so that you can be sure that everything is going to work.

      DashrenderD 1 Reply Last reply Reply Quote 0
      • A
        Alex Sage
        last edited by

        So I am going to try again with the latest version of Ubuntu Server, or Debian.

        1 Reply Last reply Reply Quote 0
        • A
          Alex Sage
          last edited by

          or should I try CentOS 7? Everything else I run is on CentOS 7.....

          1 Reply Last reply Reply Quote 0
          • scottalanmillerS
            scottalanmiller
            last edited by

            Since you are at the point of "trying", I would definitely do CentOS 7.

            A 1 Reply Last reply Reply Quote 0
            • A
              Alex Sage @scottalanmiller
              last edited by

              @scottalanmiller You are a bit of a CentOS fanboy, and you made me one too! =P

              1 Reply Last reply Reply Quote 1
              • DashrenderD
                Dashrender @scottalanmiller
                last edited by

                @scottalanmiller said:

                @Dashrender said:

                Does Long Term Support even matter though? Is that for a situation where you can't upgrade the OS because of some limitation of the software running on top of it?

                Assuming the software will run on the latest, isn't that really the only place to be, support and patch wise?

                So that's an interesting thought and I lean the way that you are thinking. But you can't guarantee forward compatibility in all cases. So I'd say "it depends." For most things, especially desktops, web apps and non-critical systems, I would go for "rolling releases" like Fedora and OpenSuse Tumbleweed or Ubuntu "current release" to make sure that I was always completely up to date. This eliminates a lot of migration risk and deprecation risk down the road.

                But when running apps that needs serious stability, long term testing and vendor support, it is often best to choose CentOS or OpenSuse Leap with super long, very stable release cycles and hard core support so that you can be sure that everything is going to work.

                So we basically said the same thing - I did put the assuming the software will run on the latest bit in there. Of course if the software won't run on the latest, you need to stay on the version you're at.

                1 Reply Last reply Reply Quote 0
                • A
                  Alex Sage
                  last edited by

                  You have to uncommend mounts! =/

                  1 Reply Last reply Reply Quote 0
                  • A
                    Alex Sage
                    last edited by

                    I must be missing something, because I am having issues with every distro I use.....

                    1 Reply Last reply Reply Quote 0
                    • A
                      Alex Sage
                      last edited by

                      npm ERR! Linux 3.10.0-327.el7.x86_64
                      npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "start"
                      npm ERR! node v5.4.0
                      npm ERR! npm  v3.3.12
                      npm ERR! code ELIFECYCLE
                      npm ERR! xo-server@4.11.0 start: `node bin/xo-server`
                      npm ERR! Exit status 1
                      npm ERR!
                      npm ERR! Failed at the xo-server@4.11.0 start script 'node bin/xo-server'.
                      npm ERR! Make sure you have the latest version of node.js and npm installed.
                      npm ERR! If you do, this is most likely a problem with the xo-server package,
                      npm ERR! not with npm itself.
                      npm ERR! Tell the author that this fails on your system:
                      npm ERR!     node bin/xo-server
                      npm ERR! You can get their info via:
                      npm ERR!     npm owner ls xo-server
                      npm ERR! There is likely additional logging output above.
                      
                      1 Reply Last reply Reply Quote 0
                      • scottalanmillerS
                        scottalanmiller
                        last edited by

                        Remember when I asked what node version you were installing? That looks like Node 5. I thought XO could only work with Node 4.

                        1 Reply Last reply Reply Quote 0
                        • scottalanmillerS
                          scottalanmiller @scottalanmiller
                          last edited by

                          @scottalanmiller said:

                          What Node.js version do you have installed?

                          There was the question ^^^^

                          I never saw a response. We could have tracked this down sooner 🙂 You can't just use the Node that comes with the distro. Use NVM and control the Node version.

                          A 1 Reply Last reply Reply Quote 0
                          • RomoR
                            Romo @scottalanmiller
                            last edited by

                            @scottalanmiller said:

                            @anonymous said:

                            @scottalanmiller Because it's the lastest LTS release. Isn't using LTS best practice?

                            No, it's a bad practice. Using something with "long term support" is a good practice, but with Ubuntu it is just a naming thing for marketing purposes. Even Canonical themselves do not recognize it as an LTS. It's just letters that they slap on every fourth release to make it sound like an enterprise product like RHEL. It isn't. Ubuntu is a rolling release will full support only for the latest build. So sticking to LTS is just "not updating" in this case. One of the many reasons that Ubuntu isn't that good. It's not "bad", but it isn't up to par.

                            Ubuntu is like Fedora, you always want to be on the latest unless there is a compatibility issue. You would never intentionally use an LTS release unless you are doing something like MongoDB which only releases for certain versions. And the answer there is not to use Ubuntu but to use CentOS which is kept up to date.

                            If you want a true LTS, Ubuntu is not an option for you. RHEL and SLES are the only enterprise long term support options in the Linux world.

                            @scottalanmiller Why aren't ubuntu LTS releases trully considered as having long term support? I usually use Centos but I do have several Ubuntu LTS boxes and from their documentation they appear as having long term support.

                            0_1452612753264_2016-01-12 09_30_26-Release end of life _ Ubuntu.png

                            scottalanmillerS 3 Replies Last reply Reply Quote 0
                            • scottalanmillerS
                              scottalanmiller @Romo
                              last edited by

                              @Romo said:

                              @scottalanmiller Why aren't ubuntu LTS releases trully considered as having long term support? I usually use Centos but I do have several Ubuntu LTS boxes and from their documentation they appear as having long term support.

                              Because Long Term Support suggests that when things break, they fix them and provide support. But Canonical doesn't do that. If things really break they tell their LTS clients to upgrade to the latest non-LTS release to continue getting support. True LTS support never requires "going to the non-LTS release" to continue getting support. The label LTS and their "support marketing timelines" are just made up marketing.

                              1 Reply Last reply Reply Quote 0
                              • scottalanmillerS
                                scottalanmiller @Romo
                                last edited by

                                @Romo said:

                                from their documentation they appear as having long term support.

                                Thats where terms like "marketing" and "lying" come into it.

                                1 Reply Last reply Reply Quote 0
                                • A
                                  Alex Sage @scottalanmiller
                                  last edited by Alex Sage

                                  @scottalanmiller Like this?

                                  Install Node Using the Node Version Manager

                                  https://www.digitalocean.com/community/tutorials/how-to-install-node-js-on-a-centos-7-server

                                  scottalanmillerS 1 Reply Last reply Reply Quote 1
                                  • scottalanmillerS
                                    scottalanmiller @Romo
                                    last edited by

                                    @Romo said:

                                    0_1452612753264_2016-01-12 09_30_26-Release end of life _ Ubuntu.png

                                    I know shops that in 2011 were already being told by Canonical that to get support they had to leave 10.04 LTS because they would only try to fix things in the 11.04 or 11.10 releases. 10.04 has major stability bugs that were just ignored because the 11 series fixed them. The LTS theory is that fixes would be backported. But they are not. Canonical just uses LTS to fool customers, they do not mean it to mean that they will support the product.

                                    1 Reply Last reply Reply Quote 0
                                    • scottalanmillerS
                                      scottalanmiller @Alex Sage
                                      last edited by

                                      @anonymous said:

                                      @scottalanmiller Like this?

                                      Install Node Using the Node Version Manager

                                      https://www.digitalocean.com/community/tutorials/how-to-install-node-js-on-a-centos-7-server

                                      Exactly. I was just about to look for this.

                                      A 1 Reply Last reply Reply Quote 0
                                      • A
                                        Alex Sage @scottalanmiller
                                        last edited by

                                        @scottalanmiller Do I have to remove the old version first?

                                        scottalanmillerS 1 Reply Last reply Reply Quote 0
                                        • A
                                          Alex Sage
                                          last edited by

                                          npm ERR! Linux 3.10.0-327.el7.x86_64
                                          npm ERR! argv "/root/.nvm/v4.2.2/bin/node" "/root/.nvm/v4.2.2/bin/npm" "start"
                                          npm ERR! node v4.2.2
                                          npm ERR! npm  v2.14.7
                                          npm ERR! code ELIFECYCLE
                                          npm ERR! xo-server@4.11.0 start: `node bin/xo-server`
                                          npm ERR! Exit status 1
                                          npm ERR!
                                          npm ERR! Failed at the xo-server@4.11.0 start script 'node bin/xo-server'.
                                          npm ERR! This is most likely a problem with the xo-server package,
                                          npm ERR! not with npm itself.
                                          npm ERR! Tell the author that this fails on your system:
                                          npm ERR!     node bin/xo-server
                                          npm ERR! You can get their info via:
                                          npm ERR!     npm owner ls xo-server
                                          npm ERR! There is likely additional logging output above.
                                          
                                          1 Reply Last reply Reply Quote 0
                                          • A
                                            Alex Sage
                                            last edited by

                                            Doh! NPM is out of date too. How do I update it?

                                            scottalanmillerS 2 Replies Last reply Reply Quote 0
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