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zergtoshi

@ zergtoshi @lemmy.world

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1
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311
Joined
2 yr. ago

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  • Proxmox setup - help needed

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  • Hopping in here to mention Proxmox Helper Scripts . They have many scripts that help you set up LXCs with software you may be using, including the full aar stack.

    I got made aware of these scripts by @Krik@lemmy.dbzer0.com already, but thank you for pointing me to this very helpful resource!

    I tend to test things in a dedicated new VM, to get a feel for it, make sure I need to add it to my permanent services. If it does, I try to find a way to run it via LXC, and if that is too complicated/won’t work, I have a dedicated docker VM I throw it on. Everyone will answer the “LXC/VM/Docker” question differently, and they will all be correct. What is easiest for you is the right way.

    I suppose I will go that road for new things I'm about to try out if it's as easy as spinning up another VM or LXC.Replicating services provided by the RaspberryPis and the mini PC I think I will try the LXC way and see how far I get.This is leaning heavily on the experience of @Krik@lemmy.dbzer0.com regarding performance advantages of LXC over VM.

    I run a VM with opnsense as my network firewall. Moved it from a hardware install. I don’t see any issues, and there are loads of times it’s saved my ass having it backed up as a VM.

    Not having to deal with a dedicated piece of hardware/configuration is for sure in favour of a virtual firewall.Then again the configuration of the firewall is pretty static, unless I plan on adding services in the firewall zone that need to reach the rest of the local network. I need to mull over this some more.

    Slam as much ram as you can afford/fit inside the computer too. Every time I think I have enough, I always find I have need/use for more.

    64 GB has pretty much reached the limit, if I don't want to throw the 4 DIMMs away and purchase a new set. Let me find out how far that carries me.

  • Proxmox setup - help needed

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  • Thanks a million for the extensive feedback, especially because it's enriched by your own experience!

    Usually VMs are usually I/O starved therefore I would try to go as lightweight as possible and chose Ext4 or XFS (depending on what the VM is used for). The VMs can be backed up whole by Proxmox. You have more than enough space to do that and it's considerably easier to set up. And honestly how big could the containers and VMs be? I guess the containers are 50-200 MB and a VM a few GBs. That's almost nothing.

    I suppose your expectations about VM size are appropriate. The RaspberryPis have 8 GB SD cards and there's quite some space left on them. I don't know why the space requirement should be very different on a VM. Going from Raspbian/Armbian to Debian shouldn't play that much of a role size wise.Wouldn't pick ETX4 oder ZFS make replicating data to the Proxmox backup server way less efficient?

    LXC containers are way more lightweight than VMs. I depends on what you want to do. Docker and a file server work better in a VM so far but Pi-hole and Jellyfin run perfectly in a container.

    I would go for LXC first. If that isn't possible or too cumbersome I would try docker (in a VM) next and one-VM-per-service last as they need the most resources.

    I will try LXC before VM then!

    I would always try to connect it to LAN.

    That will make the physical placement harder, but I was afraid that's the way to go: connect it to LAN...

    No idea. I wouldn't mind a firewall container. If something breaks through you are fucked one way or the other. The firewall in your router isn't much different than any other.You should always go for Wireguard or another VPN to access your network from the outside.

    Some ports need to be forwarded in order for e.g. Nextcloud to work. Right now they are forwarded to my firewall and all that's reachable from outside is behind that firewall. The main purpose of the firewall is to protect the rest of the network from a compromised device within the firewall zone. So if something breaks through a bug in Nextcloud now, it will hopefully have a hard time breaking through the firewall.Having a bug in Nextcloud running in an LXC or VM may allow additional attack vectors, if there's no hardware firewall (and only the built-in firewall functions or a firewall container) between them and the rest of the network.Connection from outside to my home network is via Wireguard tunnel.

    Helper scripts for beginners: https://community-scripts.github.io/ProxmoxVE/Just give them a look.

    I was reading up on Proxmox setup both by consulting official documentation and forum entries, but I haven't stumbled upon that link so far.It looks awesome!And I'm damn sure it will save me plenty of time :)I found tteck's helper-scripts (https://tteck.github.io/Proxmox/), but the collection linked by you looks more tidy.

    And it seems you are ignoring Proxmox' LXC. They are one of main reasons to pick that software.

    I fear that's because I hadn't understood the benefits of LXC over VM, which you made clear very plainly:

    As an additional note: I ran about 6 or 7 VMs on a mini PC (Intel N100) with 16 GB RAM. RAM was almost used up and the cpu was at ~15 %.I then switched mostly to LXC and only one VM. The cpu was now at ~1% and RAM usage went down to 3 GB while still providing the same services as before.The power of containers, baby! :D

    It's about time to get Proxmox set up and dirty my hands!

  • Proxmox setup - help needed

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  • Thank you for advising me of your concerns!

    • get multiple smaller harddrives and put them into some kind of RAID / zpool with redundancy. the drives will fail.

    That'd require moving all to a different hardware platform. I hope to get the risks associated with failing drives mitigated by the Proxmox backup server

    • there is absolutely zero reason to have a VM per service when a container will do. There are no advantages. But VMs will take significantly more resources and be harder to right-size. There is no restore/backup advantage using VMs.

    That's good advice! It seems I need to get comfortable with automatic backups of Docker containers and data volumes

    • for that reason there is also no reason to use proxmox in the first place, unless you want to learn proxmox. Truenas scale for example comes with pre-installed k3s.

    Getting familiar with Proxmox is indeed one of the reasons I switched to that route. My initial plan was to replace the mini PC with the X300 and move all to docker. Then one consideration lead to another. Maybe I need to re-evaluate whether going the Proxmox route is worth the trouble.

    • I would get a separate hardware firewall because it makes easier to expand the network later.

    I agree that's another reason for having a hardware firewall besides the security aspects of having one.

  • Proxmox setup - help needed

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  • Yeah, I'm aware that I'm going to deal with a broad subject and being new to Proxmox you're spot-on that I lack experience.So I tried to get a head start instead of beginning with the simplest mistakes.Thank you for your recommendations!

  • Proxmox setup - help needed

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  • Thanks! I was planning on taking my time. I won't decommission my current setup before I'm confident the new one is doing all right.And I'm damn sure I will need several iterations of setting all up, testing, finding obstacles and starting over.I just tried to get a head start instead of beginning with the simplest mistakes :)

  • The Tesla takedown has begun. A national protest movement seeks to strike a blow to Elon Musk’s net worth

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  • And that's why it's harder to get support for such an approach, while support for taxing billionaires should be available in abundance.

  • The Tesla takedown has begun. A national protest movement seeks to strike a blow to Elon Musk’s net worth

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  • I'm trying to stay more realistic.Anyone at shy above 1 million USD living in the US is having a live that's closer to the average person than it is to a billionaire let alone Musk.

  • The Tesla takedown has begun. A national protest movement seeks to strike a blow to Elon Musk’s net worth

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  • Focus on all billionaires. Not just Musk.FTFY

  • Trump Orders Musk to Get Air Force One Finished Quickly, Even If It Isn't Fully Safe Yet

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  • Where can I donate funds to this cause?

  • Judge hits Donald Trump with legal setback: "unconstitutional"

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  • I'm a very peace loving person, but I understand that having peace is only possible if all involved parties keep peace; only one party or some parties keeping peace while others wage war is in the end no peace at all.

  • Judge hits Donald Trump with legal setback: "unconstitutional"

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  • Sadly it's a prime example for the paradox of tolerance and sooner or later people will act accordingly.

  • Judge hits Donald Trump with legal setback: "unconstitutional"

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  • Why cling to the 2nd amendmend of the constitution and not make use of the means?

    A well regulated Militia being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.

    Highlights by me.Instructions unclear?

  • UnitedHealthcare CEO shooting suspect thanks people for mail on new website

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  • So you choose to ignore corpo violence, because it's not murder in your opinion.That way you kind of normalize that violence.I'm against the killing of defenseless sick people by health insurance denying claims.I'm against economical assassination on the grounds that it's despicable to collect insurance premium and embezzle insurance benefits instead of granting them.And I'm happy that Luigi gets mail.

  • UnitedHealthcare CEO shooting suspect thanks people for mail on new website

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  • Where's your attack on the violence dealt out by so-called health insurance companies then?Just asking because you seem to have an issue with normalizing violence.Your agenda is very one-sided.

  • UnitedHealthcare CEO shooting suspect thanks people for mail on new website

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  • Title "UnitedHealthcare CEO shooting suspect thanks people for mail on new website".People and myself find it uplifting that the accused person gets mail and not only the usual torture routine in jail that is sleeping on the floor in a turtle suit etc.You are seeing people celebrating murder.We're not the same.

  • Luigi Mangione accepts $300K in donations for legal defense in murder case

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  • I won't, but it's always good knowing we're not alone and on the right side.Thank you! I've got yours!Innocent until proven guilty!

  • Luigi Mangione Accepts Nearly $300,000 in Crowdfunded Donations for Legal Defense

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  • No, I really mean it.We don't know whether Luigi did what he got accused of.And we're not the ones who judge.Given that the trial is held in a country where only lots of money gets you good medical support and good legal representation, I'm glad there a funds to pay for good legal representation.That's it.

  • Luigi Mangione Accepts Nearly $300,000 in Crowdfunded Donations for Legal Defense

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  • Then maybe celebrating the legal defense fund for paying lawyers to defend the accused person is?You should be ashamed were you to insinuate that getting a good lawyer is a bad thing.