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Joined 1 year ago
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Cake day: June 21st, 2023

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  • It’s actually surprising how much just having a person in the room can alter the temperature and humidity levels. In my master bathroom, I have my bathroom fan set to activate when the dew point reaches a certain level (I’ve found that dew point produces better results than just humidity); the idea is that the bathroom will be ventilated when someone takes a shower and for however long it takes for the humidity to dissipate after they’re done. The funny thing is that every so often, I’ll take an excessively long poop (lets me honest, I’m scrolling on my phone), and the fan will kick on. Just being in the bathroom will alter the dew point enough that it triggers the fan.

    I also have a room that contains all my server/networking equipment. It’s climate-controlled, and I’m constantly monitoring temperatures. The times that in the room working, I can see a noticeable spike in the temperature graph, even though the only variable that’s changed is that there’s a person in the room.

    So my point is: OP might not have been having fun that night; it’s entirely possible someone just came in and went to bed.



  • There are really two reasons ECC is a “must-have” for me.

    • I’ve had some variant of a “homelab” for probably 15 years, maybe more. For a long time, I was plagued with crashes, random errors, etc. Once I stopped using consumer-grade parts and switched over to actual server hardware, these problems went away completely. I can actually use my homelab as the core of my home network instead of just something fun to play with. Some of this improvement is probably due to better power supplies, storage, server CPUs, etc, but ECC memory could very well play a part. This is just anecdotal, though.
    • ECC memory has saved me before. One of the memory modules in my NAS went bad; ECC detected the error, corrected it, and TrueNAS sent me an alert. Since most of the RAM in my NAS is used for a ZFS cache, this likely would have caused data loss had I been using non-error-corrected memory. Because I had ECC, I was able to shut down the server, pull the bad module, and start it back up with maybe 10 minutes of downtime as the worst result of the failed module.

    I don’t care about ECC in my desktop PCs, but for anything “mission-critical,” which is basically everything in my server rack, I don’t feel safe without it. Pfsense is probably the most critical service, so whatever machine is running it had better have ECC.

    I switched from bare-metal to a VM for largely the same reason you did. I was running Pfsense on an old-ish Supermicro server, and it was pushing my UPS too close to its power limit. It’s crazy to me that yours only pulled 40 watts, though; I think I saved about 150-175W by switching it to a VM. My entire rack contains a NAS, a Proxmox server, a few switches, and a couple of other miscellaneous things. Total power draw is about 600-650W, and jumps over 700W under a heavy load (file transfers, video encoding, etc). I still don’t like the idea of having Pfsense on a VM, though; I’d really like to be able to make changes to my Proxmox server without dropping connectivity to the entire property. My UPS tops out at 800W, though, so if I do switch back to bare-metal, I only have realistically 50-75W to spare.


  • corroded@lemmy.worldtoSelfhosted@lemmy.worldLow Cost Mini PCs
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    2 months ago

    I have a few services running on Proxmox that I’d like to switch over to bare metal. Pfsense for one. No need for an entire 1U server, but running on a dedicated machine would be great.

    Every mini PC I find is always lacking in some regard. ECC memory is non-negotiable, as is an SFP+ port or the ability to add a low-profile PCIe NIC, and I’m done buying off-brand Chinese crop on Amazon.

    If someone with a good reputation makes a reasonably-priced mini PC with ECC memory and at least some way to accept a 10Gb DAC, I’ll probably buy two.



  • Like several people here, I’ve also been interested in setting up an SSO solution for my home network, but I’m struggling to understand how it would actually work.

    Lets say I set up an LDAP server. I log into my PC, and now my PC “knows” my identity from the LDAP server. Then I navigate to the web UI for one of my network switches. How does SSO work in this case? The way I see it, there are two possible solutions.

    • The switch has some built-in authentication mechanism that can authenticate with the LDAP server or something like Keycloak. I don’t see how this would work as it relies upon every single device on the network supporting a particular authentication mechanism.
    • I log into and authenticate with an HTTP forwarding server that then supplies the username/password to the switch. This seems clunky but could be reasonably secure as long as the username/password is sufficiently complex.

    I generally understand how SSO works within a curated ecosystem like a Windows-based corporate network that uses primarily Microsoft software for everything. I have various Linux systems, Windows, a bunch of random software that needs authentication, and probably 10 different brands of networking equipment. What’s the solution here?



  • I did some research on this, and it turns out you’re absolutely correct. I was under the impression that ECC was a requirement for a ZFS cache. It does seem like ECC is highly recommended for ZFS, though, due to the large amount of data it Storrs in memory. I’m not sure I’d feel comfortable using non-ECC memory for ZFS, but it is possible.

    Anecdotally, I did have one of my memory modules fail in my TrueNAS server. It detected this, corrected itself, and sent me a warning. I don’t know if this would have worked had I been using non-ECC memory.


  • One thing to keep in mind if you go with an i5 or i7 is that you won’t have the option to use ECC memory. If you’re running TrueNAS, you’ll need ECC memory for the ZFS cache. A Xeon E5 v2 server is old, but still has a more than enough power for your use case, and they’re not particularly expensive.

    If you need something more powerful, you can find some decent Xeon Gold systems on eBay, but they’ll be a bit more pricey. The new Xeon W chips are also an option, but at least for me, they’re prohibitively expensive.



  • I decided to give up on it. Looking through the docs, they recommend that due to “reasons,” it should be restarted at least daily, preferably hourly. I don’t know if they have a memory leak or some other issue, but that was reason enough for me not to use it.

    I installed TubeArchivist, and it suits my needs much better. Not only do I get an archive of my favorite channels, but when a new video is released, it gets automatically downloaded to my NAS and I can play it locally without worrying about buffering on my painfully slow internet connection.



  • I’m strongly in favor of keeping things compartmentalized. I have two main servers: One is a Proxmox host with a powerful CPU and a few hard drives set up in a fast but not-so redundant array (I use ZFS, but my setup is similar to RAID10). Then a have second server that runs TrueNAS; the CPU is slower, but it has a large amount of storage (120TB physical) arrayed in an extremely fault-tolerant configuration.

    My Proxmox box runs every service on my network, but all that gets stored the hard drives are the main boot disks. It backs up daily, so I’m not so concerned about drive failure. All my data is stored on the NAS, and it’s shared with the VMs via NFS, SMB, or iSCSI, depending on which is more appropriate.

    For you, I’d recommend building a NAS, and keep all your important data there. Your NUC can host your services, and they can pull data from the NAS. The 256GB on your NUC will be more than enough to host whatever services you need.


  • 4 Mbit is exceptionally slow by today’s standards; when I signed up for internet access (there’s only one provider available where I live), I told them “I will pay for whatever the fastest connection is that you can offer.” Turns out that’s just single-channel DSL. They won’t even install bonded DSL where I live, and believe me, I’ve tried. I do have Starlink as well, but because of the land around me, it’s always going to be obstructed by the land topology; when I calculated how high I would need to raise my antenna to avoid obstructions, it was several hundred feet. My pfSense box does a good job of routing traffic between my DSL connection and my Starlink connetion (and falling back when Starlink is obstructed), but for hosting anything, I need a stable connection. That leaves me with just my DSL connection.




  • I honestly didn’t know that Youtube “unlisted” was even a thing; I’ve never posted a video to Youtube before, but this might be a promising idea. I’m assuming they still inject ads into unlisted videos, which is a major barrier for me… I hate ads.

    I’ll admit that I’m a snob when it comes to video and audio quality; 4k/60 might be overkill, but I think at least 4k/30 has some merit in this case. Most modern phones and tablets (and TVs) are at least greater than 1080p, so assuming they’re watching the video horizontally, 1080p video would still result in a loss of quality. Would they care? Almost certainly not, but the idea of watching a UHD video source in a lower resolution bothers me far more than it should.

    It definitely seems like VPS hosting is out of my budget. I think that hosting multiple version of the same video (and paying for more HDD space) would probably be cheaper than a VPS with a GPU resources, but the recurring fees are probably more than I’m willing to spend.


  • I’m a big fan of Jellyfin. I run it at home with a dedicated Nvidia A2000 for hardware transcoding. It’s able to transcode multiple 4k streams with tonemapping faster than they can play.

    As much as I’d love to use Jellyfin, there are two major issues: My internet connection is so slow, that I’d be lucky to stream 720p at a low bitrate. I’d spend the money on a faster connection, but I live in an area that doesn’t even get cell phone service. My options are DSL and Starlink, and I have both; the DSL is just slow, and Starlink uplink speed isn’t much better, plus I have plenty of obstructions that make it somewhat unreliable. The second problem is that Jellyfin has too steep of a learning curve. Telling my relatives “oh, if it starts buffering, just lower the bitrate” isn’t an option. Not to mention, I’d have to run it on a VPS, and hosting a VPS with the resources required for this is way too expensive for me.



  • corroded@lemmy.worldtoSelfhosted@lemmy.worldWhy docker
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    11 months ago

    My personal opinion is that Docker just makes things more difficult. Containers are fantastic, and I use plenty of them, but Docker is just one way to implement containers, and a bad one. I have a server that runs Proxmox; if I need to set up a new service, I just spin up a LXC and install what I need to. It gives all the advantages of a full Linux installation without taking up the resources of a full-fledged OS. With Docker, I would need a VM running the docker host, then I’d have to install my docker containers inside this host, then forward any ports or resources between the hypervisor, docker host, and docker container.

    I just don’t get the use-case for Docker. As far as I can tell, all it does is add another layer of complexity between the host machine and the container.


  • If it’s really impossible to add an extra drive, are you able to attach an external drive or map a networked drive that has space for your VMs and LXCs?

    In your situation, what I would probably do is back up all my VMs to my NAS, replace the hard drive in my Proxmox hypervisor, re-install a fresh copy of Proxmox on the new drive, and restore the VMs back to my new Proxmox installation. If you don’t have a NAS, you could do this with a USB-attached hard drive, too.

    Ideally, though, you should have separate drives for your Proxmox boot drive and your VMs. Even if you’re using a SFF PC that doesn’t have an extra drive bay, could you double-sided-tape a SSD to the bottom of the case and use this as your storage drive? I’ve certainly done it before.