/srv/irclogs.ubuntu.com/2021/03/04/#ubuntu-server.txt

ThothCastelplanning to build a hypervisor on a microserver gen8 with raid 5 on a ubuntu server00:30
ThothCastelto use permanently at home00:30
ThothCastelwhat hypervisor works best on ubuntu server?00:30
daftykinsimo never go lower than RAID600:31
ASDXhi, is there something to check the syntax of an autoinstall user-data file before actualyll kicking of an install?00:32
sarnoldlibvirt to run qemu/kvm is standard and common, lxd feels nicer to me but00:32
ThothCasteland what software can I use to perform scheduled backups of content of VM's and their settings settings .... for example veeam backs up vcentre...00:32
ThothCastelwhat is equivalent to veeam in an ubuntu environment?00:33
ThothCasteldaftykins: I only have 4 days in my server and wish to have the ability of having a single hdd failure00:33
ThothCastelwith raid 5 I can do that00:33
ThothCastelraid 6 wouldn't00:34
daftykinsyeah but single disk fail is not very good00:34
daftykinsbut fair enough, if the bays are limited... that's a tough one :)00:34
daftykinsyou're wrong there also, RAID6 allows 2 disk failures00:34
sarnoldmicroservers are kinda tiny00:34
daftykinsyeah :) that's what always put me off them when they were popular00:34
* daftykins turns his head and glances at his 10 disk RAID600:35
ThothCastelah yeah thanks daftykins00:37
ThothCastelin fact I think I am gonna go with raid 600:37
ThothCastelsarnold: is libvirt equivalent to vsphere client?00:37
ThothCastelso, install kvm libraries on the ubuntu server00:38
ThothCastelthen run libvirt on the same server to manage vms?00:38
ThothCastelif you have kvm do you need qemu?00:42
tewardThothCastel: there is no equivalent to vsphere client anymore.  since that's dead.  virt-manager is approximately your equivalent to handle VMs but you do NOT get the wide variety of config options and mechanisms that come with VSphere because VSphere encompasses more than just the VM layer, but also the host/system configuration, etc.00:47
tewardwhich doesn't happen with libvirt.00:47
tewardand yes you need qemu even if you have kvm installed, unless you want to write and script your own stuff against libvirt to handle VMs.00:48
ThothCastelhttps://usercontent.irccloud-cdn.com/file/4mzlhNDC/image.png00:48
ThothCastelteward: I see thanks for that00:49
ThothCastelmy purpose is to have virtual machines running at home00:49
ThothCastelI want to have some vms like00:49
ThothCastelpfsense, nextcloud, etc00:49
tewardthen which solution you use is going to be based on what you plan to do with the infra too00:49
tewardyou're talking to a guy who has his entire network virtualized off a pfSense off a cluster of VMware machines with Dell's VXRail solution00:49
teward(EXPENSIVE)00:50
ThothCastelright00:50
tewardif you want to set up dedicated infrastructure for your VMs, then you can use VMware solutions, or Proxmox, or Ubuntu Server with QEMU/KVM installed and then deploy things to that00:50
tewardi've done all those :P00:50
ThothCastelmy objective is to have a setup where I can add a few vms as I please as one would in ESXi00:50
ThothCastelthen setup a backup solution so that I can backup those vms on a scheduled basis00:51
tewardany of the setups I stated would do that, including a QEMU KVM setup.00:51
tewardThothCastel: well if you go VMware your only real solution for backups is Veeam, and that isn't free.00:51
ThothCastelall those vms are to be run on a raid 6 on this microserver00:51
tewardbut that discussion is a bit beyond the Ubuntu scope00:51
ThothCastelQEMU KVM ....  why is QEMU needed anyways00:51
ThothCastelwe have libvirt to interact with KVM00:52
ThothCastelKVM as I understand is already part of ubuntu kernel, right?00:52
ThothCasteland if not QEMU, what else available?00:52
ThothCastelwhat kind of software can I run for scheduled backup/restore00:52
ThothCastelideally I would rather not have to rely on scripts (cron jobs)00:53
ThothCastelsomething simple like veeam00:53
ThothCastelvProtect maybe00:54
tewardnonexistent unless you have a lot of money for the full vsphere stack and veeam.  if you're looking to just play around with VMs on your infrastructure, and you want to learn about how the different layers work (libvirt, kvm, qemu, system level network segments, etc.) then you'd go with the QEMU/KVM world of things.00:54
tewardvProtect requires money :p00:54
tewardand vSphere Enterprise stack00:54
ThothCastelhttps://www.youtube.com/watch?v=iOGTdTsdrYQ00:55
tewardproxmox ve is an alternative to VMware00:55
tewardand costs you zip, except setup but it's not Ubuntu00:55
ThothCastelright... I want to get submersed with open source virtualization00:55
ThothCastelI am familiar with VMware stack00:55
ThothCastelwould like to see what can be accomplished with opensource stuff00:55
ThothCastelovirt runs on KVM or is equivalent to KVM00:56
ThothCastelthat video above says it is free00:56
ThothCastelwhen we talk about QEMU KVM....  does it mean it can be something else other than QEMU with KVM?00:57
ThothCastelteward: thanks - proxmox looks cool and straight forward01:09
ThothCastelis it based on kvm?01:09
tewardfor the record: random youtube videos are never clicked by me ;)01:09
tewardor anyone here normally.01:09
daftykinsi'm using XCP-ng :)01:31
sarnoldThothCastel: I've not seen vsphere, sorry02:17
daftykinssometimes i think it's worth doing the bare minimum to just get these platforms going and give them a test run, to see if you like the way they work02:18
daftykinsi fired up Proxmox and i did not like it one bit xD02:18
sarnoldheh02:21
sarnoldbummer, I thought proxmox looked kinda neat02:21
JanCThothCastel: qemu is a system emulator which translates native code from one architecture to native code for another architecture, and it also provides emulation/virtualization of various hardware parts02:21
daftykinsi'd already sunk a lot of time into XCP-ng, so i may be biased :)02:21
JanCkvm is the virtualisation support in the linux kernel02:21
JanCso qemu can use kvm when both guest & host code are the same architecture02:22
JanCqemu is still needed then, because kvm itself can't _emulate_ any hardware that would not be accessible vor virtualised code02:23
JanCand in theory it's certainly possible to use kvm without qemu, or qemu without kvm02:25
ThothCastelright cool02:41
ThothCastelthanks for all of that02:42
ThothCastelI have taken a look at proxmox - i like the looks of it...  will check out the XCP-ng02:42
ThothCastelit is also looking good first impressions02:42
tewarddaftykins: for someone who is used to VMware, proxmox is the most simple03:34
tewardand closest thing03:34
tewardthat's free and uses FOSS anyways03:34
daftykinswell, as i run VMware ESXi at home - i would have to disagree there03:35
tewarddaftykins: well, I run ESXi via the VXRail platform so I don't entirely disagree03:36
tewardbut it's up to them :P03:36
tewardall other virtualization systems are a little foreign when you're used to ESXi :p03:37
daftykins*nod* that's why i think they should all be taken for a test drive and the one that best suits wins03:37
daftykinsdedicated share types for ISOs is the weirdest thing first time :D03:38
tewardwell KVM via virt-manager is equally confusing :P03:40
tewardbut i've figured it out.03:40
tewardthough most of MY VMs are deployed via QEMU/KVM + LXX03:40
tewardLXD*03:40
tewardso LXD handles that VM xD03:40
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RoyKteward: kvm is quite simple to handle imho and you can setup migration between machines easily15:48
RoyKwell, "easily", it takes some time and efforts15:48
ducassecan anyone confirm an issue i'm having with netplan on 20.04?16:21
ducassei'm trying 'netplan try -config-file /path/to/config -timeout 20', but it still uses the default netplan config, i have to actually switch the files and remove the options16:22
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tewardrbasak: never heard back to you RE: nginx and Lua module.  Based on the bugs filed now, the Lua module isn't going to work in Hirsute, and as the 'fix' for Lua is a community supported only bit for an SRU.20:21
tewardwe *are* past freeze now so not sure if we want to yank it now or wait for I-series.20:21

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