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Harvester v1.3.0 - Easy Home lab Open Source Hyperconverged

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Clemenko -  Kuberenetes Firefighter

Clemenko - Kuberenetes Firefighter

5 ай бұрын

Harvester v1.3.0 - Easy Homelab Open Source Hyperconverged
This is a simple high level install of Harvester v1.3.0 using PXE from hub.docker.com...
Harvester Docs : docs.harvester...
Harvester v1.3.0 Release Notes : github.com/har...
Here is the Cloud-Init I like to use : gist.github.co...
Thanks for watching. Feel free to comment!

Пікірлер: 38
@jvrietveld
@jvrietveld 2 ай бұрын
You mentioned the tilde key(~)? at the end of this video. A nice way to get a console in the GUI. I can't get this to work. Is this an easter egg function or is it somewhere in the documentation? Great video btw. I'm glad I have my VLAN5 working so the setup with your cloud-init sample and creating a rocky template is super easy.
@clemenko
@clemenko 2 ай бұрын
Oh nice. With the tilde key does the window pop up? Or does it pop up and not do anything?
@jvrietveld
@jvrietveld 2 ай бұрын
@@clemenko When you mentioned popup I've tried differrent browsers. I found it working Firefox with Shift ~ and `. I got it now. Thanks for your reply.
@clemenko
@clemenko 2 ай бұрын
Oh awesome. I tend to use chrome. Glad it is working.
@samsulhaque8064
@samsulhaque8064 Ай бұрын
Hi Sir ,i saw your few video about harvester ,is there any way to auto-scale node when running Rke2 in harvester .i think you got my point . How to auto scale node when running k8(rke2) in Harvester . no need to auto-scale harvester cloud only need k8(rke2) can auto-scale node as recourse demand by application . if you make a video about this it will be very helpful to us ..thanks ..
@clemenko
@clemenko Ай бұрын
Hi. There is a way. If you deployed VMs from within Rancher talking to Harvester then you can simply scale the number of workers up and down. I don't know of a way to auto-scale it based on application usage. If you are running it inside Harvester, then you are hardware bound. I would simply make the VMs' bigger. aka vertical scaling versus horizontal. make sense?
@alexkaouris6755
@alexkaouris6755 3 ай бұрын
I am trying to see if Harvester is a good way to consolidate VMs and containers in production but the VM experience seems a bit poor, it requires some good CPU cycles and storage and Longhorn is a new kid on the block that I am not comfortable in making the leap. It is great for home labs though if you are learning kubernetes also.
@clemenko
@clemenko 3 ай бұрын
Harvester is a good way to get the best of both worlds. It is REALLY good at "hiding" kubernetes under the hood. Longhorn just works and you don't really have to think about it. I would NOT use Harvester as your introduction to kubernetes though. I would start with a single vm. Check out kzfaq.info/get/bejne/fdhga6-Zsre6n3k.html for a simple walk through. Also, feel free to recommend any video ideas!
@AndiSugandi
@AndiSugandi Ай бұрын
Hi Andy, thank you for the Harvester videos so far. Those are helpful. How to access Harvester UI page by using domain name with LetsEncrypt SSL enabled? What is the best practice to do that? What do you recommend?
@clemenko
@clemenko Ай бұрын
Oh wow. Never thought of using Let's Encrypt with Harvester. Fun fact, Harvester's UI is a trimmed down Rancher. Cool right? Well, Rancher is not able to handle certificates. It uses Cert-Manager. ranchermanager.docs.rancher.com/getting-started/installation-and-upgrade/install-upgrade-on-a-kubernetes-cluster/troubleshooting#checking-for-issues-with-cert-manager-issued-certs-rancher-generated-or-letsencrypt That being said Harvester would need an external cert manager as well. Since interaction with Harvester should be limited to only admin users I would either use the self-signed cert out of the box. Or contact a local CA provider to get a cert. I personally use a wildcard for my domain *rfed.io. This allows me to use it everywhere. Hope this helps...
@AndiSugandi
@AndiSugandi Ай бұрын
Thank you very much for the insight@@clemenko . How about putting the Traefik (as cert manager & reverse-proxy) in front of the Harvester? Will it be good to forward the traffic (from Traefik) to Harvester IP with 443 port number?
@clemenko
@clemenko Ай бұрын
@@AndiSugandi Unfortunately that won't work. The Harvester OS is immutable and rebuilds itself every boot. What is the down side of using the self signed or adding a locally signed cert?
@clemenko
@clemenko Ай бұрын
@@AndiSugandi it gets a little complicated, adding many layers like that. You can certainly run traffic in the VM. But it wouldn’t manage harvester correctly.
@AndiSugandi
@AndiSugandi Ай бұрын
@@clemenko I just feel more convenient using the Harvester Dashboard with the green "Connection is secure" mark on the left-top side of the web browser address bar (also by using valid domain name). Is that possible? How to manage that? Thank you in advance, Andy.
@dzmelinux7769
@dzmelinux7769 5 ай бұрын
Good video, just wondering if that Version of Harvester is also a resource hawk? The last version is running such a high idle status that my watts per hour double compared to anything else running idle. Thanks 👍
@clemenko
@clemenko 5 ай бұрын
Not sure. I have not tested other vm platforms. I run Harvester on a Framework laptop board and NUC like devices with good success. What are you testing it on?
@dzmelinux7769
@dzmelinux7769 5 ай бұрын
@@clemenkoRyzen 7 with 32 gb ram 1 tb ssd. I saw the same on a Suse video, where to guys where running a demo on Nucs and one guy mentioned that resource usage. Before that video I thought I did something wrong. You can see it on your dashboard how high your CPU idles. I like the automation using Rancher, but such a high idling CPU is a deal breaker to me in my home lab.
@clemenko
@clemenko 5 ай бұрын
@@dzmelinux7769It was a big deal for me. Newer versions of harvester did not install the monitoring component. That saved some cycles.
@MartesWigglesworth
@MartesWigglesworth 4 ай бұрын
@clemanko Does Harvester have trouble running on older E5-2667v3 processors with HBA-attached storage? I have been having a hard time trying to get my old Intel 2600GZ 2Us to run successsfully. It literally kernel panics once it reboots after installation. However, every other OS I have used these things for in production, has been seamless for like eight years.
@clemenko
@clemenko 4 ай бұрын
There are a few things to unpack there. Is there any local storage besides the HBA? Because of the way Harvester boots HBA drivers may be an issue. The processors should work just fine. Can you try installing to local storage?
@MartesWigglesworth
@MartesWigglesworth 4 ай бұрын
@@clemenko Thanks for the info. I ended up using the HBAs in these boxes because of the ridiculous requirement as of 1.2.x for 250GiB (which is magically never going to work with a 256GB SSD due to the requirement being for GiB not GB which seems dubiously sourced as a requirement just to force you to have 1TB SSDs laying around...) I also began remembering that I had this problem back in college when I first tried Suse, and also why I stopped working with it until Harvester. I had forgotten the frustrations of early 2000s BSD and Linux on the desktop driver rangling. Lol... Everything is now booting stable, but found out that these processors are not the ones with 12 cores so it is very much a PoC at this point, and not even really usable. I have to get some updated processors for these boxes which are on the way. After making the grub updates, I was able to get the Raid0 array of 256G SSDs to be seen as boot drives. I had three 480G SSDs that will be used in the future for these three test nodes.
@clemenko
@clemenko 4 ай бұрын
Oh cool. personally I picked up a dell r630 on facebook that worked awesome out of the box. Might be worth a look at newed used 1u servers. I use an AMD Nuc for my homelab with a Ryzen 7 5600 cpu. 8 cores/32gb of ram and a 1tb nvme seems to be the sweet spot.
@MartesWigglesworth
@MartesWigglesworth 4 ай бұрын
@@clemenko Yes, yes.... I discovered that I had waited too long to reanimate my homelab gear, after basically sitting around for five years with no true work being done with them. I need all new gear or at least "new-to-me" gear, and I have been checking out the ten year old blade stock from supermicro. I don't have the budget for the current equivalent, however, it will get me the high density I need to run OpenStack and Openshift at a small-business scale at least, which is the goal. Harvester is supposed to be the simple little box in my small rack that I can run my small production internet facing cloud from, however, the cores kept biting me with these 4-core E3s on the smallest box, so I probably need to just get a Ryzen/Epyc build out like alot of you guys are running, for that edge system at least. Thanks for the dialog, and the content!!!
@clemenko
@clemenko 4 ай бұрын
@@MartesWigglesworth although I am biased, have a look at Harvester and Rancher. Much easier to install and maintain than OpenShift. FYI I use to work at RedHat.
@AndiSugandi
@AndiSugandi Ай бұрын
So the VIP address *must* be in the same network with the host?
@clemenko
@clemenko Ай бұрын
Yes, on the management network. You can also have a storage network as well. For production this should be at least 10gb.
@implodespw
@implodespw 4 ай бұрын
Andy, did kind of a different setup to mimic an offline deployment (no internet access) and ran into an issue pushing a Server 2019 iso. It stalls at about 65% complete on the upload and errors giving a network connectivity issue. It takes about 40 or minutes to get to that point. Any recommendations to get around that?
@clemenko
@clemenko 4 ай бұрын
I have never seen that. Are you loading the isp into harvester? Or are you trying to PXE boot Server 2019?
@implodespw
@implodespw 4 ай бұрын
@@clemenkojust uploading the ISO onto the harvester host
@clemenko
@clemenko 4 ай бұрын
@@implodespwHuh. Have you tried any other iso?
@Sama_09
@Sama_09 4 ай бұрын
Harvester vs proxmox !!??
@clemenko
@clemenko 4 ай бұрын
That is a good idea. Proxmox is going to win for VMs. It has been around a lot longer. We use Harvester because it has kubernetes under the good. Not sure proxmox can run pods directly. Harvester wins for containers. Keep the good ideas coming.
@alexkaouris6755
@alexkaouris6755 3 ай бұрын
Proxmox can run LXC containers. Has a different approach.
@gogasos
@gogasos 4 ай бұрын
master ur audio plox, an ez limiter and some gain should do the trick without sounding like trashcocaine.
@clemenko
@clemenko 4 ай бұрын
Thanks for the advise. You think the audio is too low?
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