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  3. Is there a way to connect multiple desktops and treat them as one system?

Is there a way to connect multiple desktops and treat them as one system?

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  • C [email protected]

    I have some desktops (the tower kind) lying around and I'm wondering if there's a way that I can connect them all to one display and combine their computational power or at least make them all accessible in one place. I want to get into server hosting but only have one monitor. They're currently running LMDE.

    Any ideas?

    C This user is from outside of this forum
    C This user is from outside of this forum
    [email protected]
    wrote on last edited by
    #4

    You don't need to connect them to a display. Give them power and network, and access them remotely via ssh (or graphical protocol if you really want to, but unless you specifically want to run interactive GUIs there's not much point).

    As for combining their power... it depends on what kind of work you want to do.

    C 1 Reply Last reply
    0
    • C [email protected]

      I have some desktops (the tower kind) lying around and I'm wondering if there's a way that I can connect them all to one display and combine their computational power or at least make them all accessible in one place. I want to get into server hosting but only have one monitor. They're currently running LMDE.

      Any ideas?

      ? Offline
      ? Offline
      Guest
      wrote on last edited by
      #5

      You can connect all mashines via LAN and make a Proxmox cluster.

      1 Reply Last reply
      0
      • C [email protected]

        I have some desktops (the tower kind) lying around and I'm wondering if there's a way that I can connect them all to one display and combine their computational power or at least make them all accessible in one place. I want to get into server hosting but only have one monitor. They're currently running LMDE.

        Any ideas?

        A This user is from outside of this forum
        A This user is from outside of this forum
        [email protected]
        wrote on last edited by
        #6

        I'm wondering if there's a way [to] combine their computational power.

        Only if your problem can be be split up reasonably, otherwise you will spend more time waiting for data to move.
        Where it can work: video encoding, CI pipelines, data analysis
        Where it won't work: interactive stuff, most single file operations

        I want to get into server hosting [...]

        Then you don't need another reason to do it.

        [If] I can connect them all to one display [or] make them all accessible in one place.

        You can either get a hardware switch or chose a primary computer and connect to the others. For that you can use remote desktop software or be a try hard and use ssh.

        C 1 Reply Last reply
        0
        • C [email protected]

          You don't need to connect them to a display. Give them power and network, and access them remotely via ssh (or graphical protocol if you really want to, but unless you specifically want to run interactive GUIs there's not much point).

          As for combining their power... it depends on what kind of work you want to do.

          C This user is from outside of this forum
          C This user is from outside of this forum
          [email protected]
          wrote on last edited by
          #7

          I'm thinking use it to host a Minecraft or matrix server. I'm not expierenced with networking so nothing super advanced.

          deathbydenim@lemmy.worldD 1 Reply Last reply
          0
          • A [email protected]

            I'm wondering if there's a way [to] combine their computational power.

            Only if your problem can be be split up reasonably, otherwise you will spend more time waiting for data to move.
            Where it can work: video encoding, CI pipelines, data analysis
            Where it won't work: interactive stuff, most single file operations

            I want to get into server hosting [...]

            Then you don't need another reason to do it.

            [If] I can connect them all to one display [or] make them all accessible in one place.

            You can either get a hardware switch or chose a primary computer and connect to the others. For that you can use remote desktop software or be a try hard and use ssh.

            C This user is from outside of this forum
            C This user is from outside of this forum
            [email protected]
            wrote on last edited by
            #8

            The hardware switch looks promising. Are there any decent ones for under $50 out there or are they usually a big investment?

            S 1 Reply Last reply
            0
            • C [email protected]

              I have some desktops (the tower kind) lying around and I'm wondering if there's a way that I can connect them all to one display and combine their computational power or at least make them all accessible in one place. I want to get into server hosting but only have one monitor. They're currently running LMDE.

              Any ideas?

              F This user is from outside of this forum
              F This user is from outside of this forum
              [email protected]
              wrote on last edited by
              #9

              Are you telling me Beowulf clusters are back?

              Jokes aside, it depends what you want to do. You can't really build one powerful gaming PC out of multiple, but your can run parallel workloads in a number if different ways. What exactly, comes down to what you're doing. A kubernetes cluster is different from a Blender render farm, for example.

              As others mentioned you can just remote into the servers with ssh, vnc, rdp, etc. if you want physical displays on them, you can look for a cheap KVM which lets you control multiple PCs with one keyboard, monitor, and mouse.

              V 1 Reply Last reply
              0
              • C [email protected]

                I have some desktops (the tower kind) lying around and I'm wondering if there's a way that I can connect them all to one display and combine their computational power or at least make them all accessible in one place. I want to get into server hosting but only have one monitor. They're currently running LMDE.

                Any ideas?

                quazatron@lemmy.worldQ This user is from outside of this forum
                quazatron@lemmy.worldQ This user is from outside of this forum
                [email protected]
                wrote on last edited by
                #10

                I'm old enough to have clustered some 16 desktop PCs using openMOSIX a long time ago, before the era of multiple cores and threads.

                The whole cluster would function like a single Linux system, automatically spreading the work between nodes.

                I used it to run SETI@Home for a bit of fun.

                It was a neat idea, but never went mainstream. Soon single PCs were powerful enough to run virtual machines and be partitioned instead of clustered.

                T 1 Reply Last reply
                0
                • C [email protected]

                  The hardware switch looks promising. Are there any decent ones for under $50 out there or are they usually a big investment?

                  S This user is from outside of this forum
                  S This user is from outside of this forum
                  [email protected]
                  wrote on last edited by
                  #11

                  You don't even need hardware for it. Barrier is a software solution.

                  https://www.youtube.com/watch?v=-KiOMjqykbU&t=734s

                  morphit@feddit.ukM 1 Reply Last reply
                  0
                  • C [email protected]

                    I'm thinking use it to host a Minecraft or matrix server. I'm not expierenced with networking so nothing super advanced.

                    deathbydenim@lemmy.worldD This user is from outside of this forum
                    deathbydenim@lemmy.worldD This user is from outside of this forum
                    [email protected]
                    wrote on last edited by
                    #12

                    Matrix server is pretty complicated. You'll need a reverse proxy, SSL certificates, and preferably a database like Postgresql. Minecraft would be a lot easier.

                    Either way, a lot of it would involve the command-line anyway, so I would second the SSH suggestion. It's fairly easy to set up. When installing Ubuntu Server for example it asks you right away if you want to install one.

                    1 Reply Last reply
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                    • S [email protected]

                      You don't even need hardware for it. Barrier is a software solution.

                      https://www.youtube.com/watch?v=-KiOMjqykbU&t=734s

                      morphit@feddit.ukM This user is from outside of this forum
                      morphit@feddit.ukM This user is from outside of this forum
                      [email protected]
                      wrote on last edited by
                      #13

                      Barrier is only for inputs IIRC. To get Keyboard Mouse and Video (more usually KVM) you need some kind of remote desktop software. Rustdesk is pretty straightforward. I think Gnome handles RDP access natively now if you're running a Gnome based Linux distro. Otherwise XRDP is a bit of a faff, but solid once it's working.

                      1 Reply Last reply
                      0
                      • quazatron@lemmy.worldQ [email protected]

                        I'm old enough to have clustered some 16 desktop PCs using openMOSIX a long time ago, before the era of multiple cores and threads.

                        The whole cluster would function like a single Linux system, automatically spreading the work between nodes.

                        I used it to run SETI@Home for a bit of fun.

                        It was a neat idea, but never went mainstream. Soon single PCs were powerful enough to run virtual machines and be partitioned instead of clustered.

                        T This user is from outside of this forum
                        T This user is from outside of this forum
                        [email protected]
                        wrote on last edited by
                        #14

                        Now software bloat has caught up to the gains we've made in hardware and we're back to it taking 15 seconds to load a word processor.

                        aussiemandeus@aussie.zoneA 1 Reply Last reply
                        0
                        • C [email protected]

                          I have some desktops (the tower kind) lying around and I'm wondering if there's a way that I can connect them all to one display and combine their computational power or at least make them all accessible in one place. I want to get into server hosting but only have one monitor. They're currently running LMDE.

                          Any ideas?

                          ? Offline
                          ? Offline
                          Guest
                          wrote on last edited by
                          #15

                          Back in the day I used to use Synergy to have one mouse and keyboard across multiple monitors and OSes

                          https://symless.com/synergy/software-kvm

                          I could seamlessly scroll across 3 monitors pushed by 3 different computers.

                          L 1 Reply Last reply
                          0
                          • C [email protected]

                            I have some desktops (the tower kind) lying around and I'm wondering if there's a way that I can connect them all to one display and combine their computational power or at least make them all accessible in one place. I want to get into server hosting but only have one monitor. They're currently running LMDE.

                            Any ideas?

                            darkdarkhouse@lemmy.sdf.orgD This user is from outside of this forum
                            darkdarkhouse@lemmy.sdf.orgD This user is from outside of this forum
                            [email protected]
                            wrote on last edited by
                            #16

                            A relatively popular option is to install a Proxmox virtualisation cluster. All nodes in the cluster are visible in a single web interface. On top of that platform you can create virtual machines and containers. You can even set up High Availability and clustered file systems that the nodes can share.

                            C 1 Reply Last reply
                            0
                            • darkdarkhouse@lemmy.sdf.orgD [email protected]

                              A relatively popular option is to install a Proxmox virtualisation cluster. All nodes in the cluster are visible in a single web interface. On top of that platform you can create virtual machines and containers. You can even set up High Availability and clustered file systems that the nodes can share.

                              C This user is from outside of this forum
                              C This user is from outside of this forum
                              [email protected]
                              wrote on last edited by
                              #17

                              Do I need to have elevated network permissions to do that? I don't have admin access on my WiFi network and it is shared with a lot of people.

                              L 1 Reply Last reply
                              0
                              • ? Guest

                                Back in the day I used to use Synergy to have one mouse and keyboard across multiple monitors and OSes

                                https://symless.com/synergy/software-kvm

                                I could seamlessly scroll across 3 monitors pushed by 3 different computers.

                                L This user is from outside of this forum
                                L This user is from outside of this forum
                                [email protected]
                                wrote on last edited by
                                #18

                                I use Deskflow. It's an upstream for Synergy. I've Tumbleweed and Mac connected. Buttons can be mapped to avoid difference in keyboard layouts and streamline the experience. Been happy with it. 🙂

                                S 1 Reply Last reply
                                0
                                • F [email protected]

                                  Are you telling me Beowulf clusters are back?

                                  Jokes aside, it depends what you want to do. You can't really build one powerful gaming PC out of multiple, but your can run parallel workloads in a number if different ways. What exactly, comes down to what you're doing. A kubernetes cluster is different from a Blender render farm, for example.

                                  As others mentioned you can just remote into the servers with ssh, vnc, rdp, etc. if you want physical displays on them, you can look for a cheap KVM which lets you control multiple PCs with one keyboard, monitor, and mouse.

                                  V This user is from outside of this forum
                                  V This user is from outside of this forum
                                  [email protected]
                                  wrote on last edited by
                                  #19

                                  Holy Slashdot batman!

                                  L 1 Reply Last reply
                                  0
                                  • C [email protected]

                                    Do I need to have elevated network permissions to do that? I don't have admin access on my WiFi network and it is shared with a lot of people.

                                    L This user is from outside of this forum
                                    L This user is from outside of this forum
                                    [email protected]
                                    wrote on last edited by
                                    #20

                                    It depends how much shit is blocked on the network at the user level.

                                    darkdarkhouse@lemmy.sdf.orgD 1 Reply Last reply
                                    0
                                    • C [email protected]

                                      I have some desktops (the tower kind) lying around and I'm wondering if there's a way that I can connect them all to one display and combine their computational power or at least make them all accessible in one place. I want to get into server hosting but only have one monitor. They're currently running LMDE.

                                      Any ideas?

                                      N This user is from outside of this forum
                                      N This user is from outside of this forum
                                      [email protected]
                                      wrote on last edited by
                                      #21

                                      connect them all to one display

                                      The X Window System was invented originally with this idea.

                                      https://en.m.wikipedia.org/wiki/X_Window_System

                                      It still works fine, but after most people have been using it only on 1 PC and screen, they abandoned it in favor of Wayland.

                                      Nowadays even self hosters, the cream of the crop of all nerds 😉 usually prefer headless servers and only 1 PC with many screens connected to it.

                                      1 Reply Last reply
                                      0
                                      • C [email protected]

                                        I have some desktops (the tower kind) lying around and I'm wondering if there's a way that I can connect them all to one display and combine their computational power or at least make them all accessible in one place. I want to get into server hosting but only have one monitor. They're currently running LMDE.

                                        Any ideas?

                                        xiisadaddy@lemmygrad.mlX This user is from outside of this forum
                                        xiisadaddy@lemmygrad.mlX This user is from outside of this forum
                                        [email protected]
                                        wrote on last edited by
                                        #22

                                        I saw you comment that your thinking of hosting a minecraft server on it. Just FYI your going to need access to the router for port forwarding to let the minecraft server be accessible to anyone not on your LAN. Which i saw you may not have in another comment. As for actually controlling them just ssh into the server from the other one.

                                        If you really want to do a server that other people can join and cant use port forwarding you may be able to get it to work with a VPN like hamachi and get your friends all on that. But ive never done that with an actual server just used it for LAN games so im not sure it would work. Id think it should but cant say.

                                        1 Reply Last reply
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                                        • L [email protected]

                                          It depends how much shit is blocked on the network at the user level.

                                          darkdarkhouse@lemmy.sdf.orgD This user is from outside of this forum
                                          darkdarkhouse@lemmy.sdf.orgD This user is from outside of this forum
                                          [email protected]
                                          wrote on last edited by
                                          #23

                                          There are several ways around it. If you are self hosting for a small trusted group, or just yourself, you can use Tailscale.

                                          1 Reply Last reply
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