Post by @dogs0n

In reply to 8 earlier posts

@Johanno@feddit.org on feddit.org Open parent

Why don’t selfhost? Reliability. My server is down sometimes. Sometimes days. No server no email.

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@Magnum@lemmy.dbzer0.com on lemmy.dbzer0.com Open parent

Skill issue. My server has better online times than CloudFlare or AWS.

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@stickly@lemmy.world on lemmy.world Open parent

AWS offers an SLA of 99.9 availability, which it has usually exceeded each year. That means your server can’t be down more than ~8h per year to beat it. Your residential ISP (in a nearly optimal case) has a 15-30 min service period overnight every few weeks. Hope your area gets less than ~3 hours of power outages per year or you’re going to be breaching your SLA before you even hit software.

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@ysjet@lemmy.world on lemmy.world Open parent

Your ISP is kind of dogshit if it’s forcing 15-30m of downtime overnight every few weeks. And power outages are kind of a weird thing to focus on, you should be on a UPS anyway. In any case, someone interested in self-hosting email very likely has a redundant connection anyway. I’m not even hosting my own email and I have 5gb/mo of cellular backup in dual-WAN, and enough battery capacity to run my entire stack for several hours. Not to mention a generator to recharge them, if it comes down to that.

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@dogs0n@sh.itjust.works on sh.itjust.works Open parent

Lol the commenter you replied to didnt expect a one of a kind person to reply. Normal people don’t have a ginormous battery and a generator for when the power goes out. Every ISP is dogshit too. If it doesn’t go down from incompetence, it’s their physicial infra being broken from weather or some other “natural event”. Even then, I can’t justify paying their crazy rates for 5g backup year round just for it to kick in once or twice a year or a couple nights where I’m not awake anyways. Every email server that sends mail should have a rety mechanism if it fails to deliver too, so you shouldn’t miss any mail as long as your server isn’t offline for too long. Ofc you are allowed to need 99.99% uptime for your home server, just disagreeing that it’s a need for most of us (including me).

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@ysjet@lemmy.world on lemmy.world Open parent

I mean, my use case is abnormal and generally has more beef behind it than most people would have, yes, but a simpler, cheaper version of what I have set up is kind of a no-brainer if you want to self-host. e.g. I don’t think a simple cyberpower/APC ups on your home server is any kind of a weird ‘specialty’ thing, and it should definitely run your server for 2-3 hours during an outage for like $100-150 if you grab it on sale (which, you know, why wouldn’t you?) As for the generator, I don’t have that for my network stack, I have that for my fridge/deep freeze lol. It can just also recharge my UPS if it’s really that big of a deal. As for cell backup, that’s definitely less a ‘common’ homeserver thing, but I’m only paying like $14/mo for my cell backup connection from tello for 5gb of 5G. Hardly breaking the bank, and honestly probably overkill, you could likely get away with their $10/mo 2gb plan. No complaints with it either, I use them for my regular cell plan too. if you were interesting in self-hosting your own email server and wanted better uptime than 99.9%, you probably don’t even need that if your ISP only sucks slightly instead of mostly, but it allows you to just not care about your ISP having extended downtime.

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@dogs0n@sh.itjust.works on sh.itjust.works Open parent

If you have a regular data plan that you use if your internet goes down, you’re server would technically have an internet connection, but your services (like email) still wouldn’t work would it? Do you have some type of setup that keeps that working on data? I don’t know how buying the ISPs data addon works, but I’ve been skeptical that that swap over would keep anything online either (but getting a generic data plan surely cant work at all right?).

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@ysjet@lemmy.world on lemmy.world Open parent

So this sort of a setup is called Dual-WAN, and yes, it allows it all to work. Basically, my router has two connections to the internet- a cable modem on one port, which connects to Spectrum, and a cell modem on another port, which has my sim card on it. Both provide internet access simultaneously. My router is then configured to reach the internet via what it decides is the ‘best’ internet. In my case, because my cell connection is metered, I have it configured so that it prefers the spectrum connection, and only falls back to the cell connection if the spectrum connection is losing traffic, and only for as long as that connection is losing traffic. Note that a dedicated cell modem is not necessarily required- some routers have sim card slots themselves, for exactly this reason, and tend to make this sort of configuration very simple to do. I’m personally using a small computer running OPNSense, which is again, probably overkill for the average homelabber, but you don’t need something that complicated. As a result, my server always has access to the internet, and should you configure your firewalls appropriately, the internet will then always have access to your server. There’s some details here and there about IP address caching, dns resolution, and the like which have various solutions from DDNS to an external proxy/loadbalancer/etc, but those are more implementation details.

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dogs0n in !lemmyshitpost

@dogs0n@sh.itjust.works · Dec 10

Oh okay, so it doesn’t work then is what I’m gathering (for email).

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