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    C2: Insanely Affordable x86-64 Servers

    Scheduled Pinned Locked Moved IT Discussion
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    • A
      Alex Sage
      last edited by

      I want to be able to have a bunch of 512MB CentOS7 servers.....

      Can anyone think of a good way to do that?

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

        @aaronstuder said:

        I want to be able to have a bunch of 512MB CentOS7 servers.....

        Can anyone think of a good way to do that?

        A bunch? Like how many? Ten, one hundred? What's the end goal? What storage and CPU do you want or need?

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

          @scottalanmiller I use very little CPU or Harddrive Space. What I need is RAM 🙂

          I was thinking about 15 - 20 VMs

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

            Basically a hosted home lab

            Basic Web Server
            OwnCloud
            Jumpbox

            Etc

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

              Hmmmm...

              https://help.ubuntu.com/community/Xen

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

                @aaronstuder said:

                Basically a hosted home lab

                Basic Web Server
                OwnCloud
                Jumpbox

                Etc

                Well. Let's use 20VMs. If you are talking $5 instances, that's going to be $100/mo. You could buy a small server and go to colo for that price.

                1 Reply Last reply Reply Quote 2
                • scottalanmillerS
                  scottalanmiller
                  last edited by

                  For cost effective, a box at home is the best, obviously.

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

                    If you don't want VMs, containers are lighter and faster. So pretty much any system where you can run LXC will do nicely.

                    stacksofplatesS 1 Reply Last reply Reply Quote 4
                    • stacksofplatesS
                      stacksofplates @scottalanmiller
                      last edited by

                      @scottalanmiller said:

                      If you don't want VMs, containers are lighter and faster. So pretty much any system where you can run LXC will do nicely.

                      Yup. Exactly what I do on Vultr, and I have a VM at home for LXC. XO runs in LXC and when a new version comes out, Ansible clones it and updates it for me but leaves the old container. I don't have to do any work at all. Then if a bug happens like the recent backup to NFS bug, I just use the old container.

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

                        LXC or LXD?

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

                          @aaronstuder said:

                          LXC or LXD?

                          LXD is an LXC interface.

                          https://linuxcontainers.org/

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

                            With containers I might not need nearly as much RAM 🙂

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

                              @scottalanmiller said:

                              @aaronstuder said:

                              LXC or LXD?

                              LXD is an LXC interface.

                              https://linuxcontainers.org/

                              Ubuntu is working on live migration with LXD. That will be awesome.

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

                                That will be awesome! How do you backup containers?

                                stacksofplatesS 1 Reply Last reply Reply Quote 0
                                • stacksofplatesS
                                  stacksofplates @Alex Sage
                                  last edited by

                                  @aaronstuder said:

                                  That will be awesome! How do you backup containers?

                                  Just tar the container folder. You can also do file level backups of the containers. LXC by default stores everything in /var/lib/lxc/ so if you want to restore a file to container1 you could just cp it back to /var/lib/lxc/container1/root/pathtofolder/

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

                                    @johnhooks Can I do that with the containers running?

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

                                      Can I run different Distros in containers or just the same as the host?

                                      stacksofplatesS 1 Reply Last reply Reply Quote 0
                                      • stacksofplatesS
                                        stacksofplates @Alex Sage
                                        last edited by

                                        @aaronstuder said:

                                        @johnhooks Can I do that with the containers running?

                                        Which file level restore or using tar?

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

                                          @aaronstuder said:

                                          Can I run different Distros in containers or just the same as the host?

                                          You can run different distros. But I think you need to match systemd and init between host and container though.

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

                                            @johnhooks tar. I assume rsync would work too?

                                            stacksofplatesS 1 Reply Last reply Reply Quote 0
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