There is also lowendspirit, but in both cases you have to be very careful what you buy - not everything that is advertised there will work as advertised or will work long-term

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I use them as IMAP storage for a few mailing lists I am subscribed to (but not for my main emails), but they do reject legitimate emails from time to time (not often, but it does happen - and those emails don’t show up in “Spam” or any logs).

I have had pretty good experience with hosting an email server on AlphaVPS, InceptionHosting and just now GreenCloudVPS.

GreenCloudVPS currently have a promotion until Sunday, and there are usually promotions around Black Friday on LowEndSpirit and LowEndTalk

At least for memory usage the hypervisor wouldn’t be able to tell the difference between memory merely used as cache vs. memory actually used by the software running on the machine (and OSes will usually just use any otherwise unused memory as cache, so you will likely see some inflated memory usage)

How do they actually get that information (particularly memory utilization)? Do they rely on their agent that’s pre-installed (but can be uninstalled)? At least in their web interface it doesn’t show any of that utilization for my instances (one is Ubuntu with their agent uninstalled and the other one is NetBSD).

I am actually using a OrangePiPC as:

• WLAN access point (hostapd)
• LTE Internet via a E3372 USB dongle
• radio via DVB-T dongle/Internet
• USB speakers for the radio
• Bluetooth dongle to connect to Bluetooth-enabled speaker in another room
• USB temperature sensor, motion sensors via GPIO
• VoIP telephone with connected USB headset
• small LCD display to show the current temperature and incoming call information

Been using phpwiki for the past 20 years or so.

Ahh yes, but https://stalw.art/docs/configuration/general/ seems to suggest that it’s both single binary and single process.

a single binary solution

but that means that it’s not using any OS-level privilege separation?

Unused (or very rarely used) memory can also be swapped out to make more memory available for the disk cache (in the hope that having more disk cache available will save more disk accesses than the (hopefully one-time) swap-out operation).