<html><head></head><body><div dir="auto">Unfortunately, APC can be difficult to talk to with Linux. Some of them have a serial port (with a weird pin out), some can talk to the APC Windows program.<br><br>My experience was, I gave up on APC and went with a Linux friendly company. Probably doesn't help you, sorry!<br><br>You can try apcupsd and see if it works for you. Apparently it can talk over USB, if you can connect to the UPS with USB.<br><br>Duckduckgo "APC Linux" (or Google if you don't care about privacy ;-)<br></div><br><br><div class="gmail_quote"><div dir="auto">On August 15, 2024 4:51:23 PM MST, "Snyder, Alexander J via PLUG-discuss" <plug-discuss@lists.phxlinux.org> wrote:</div><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div dir="ltr">Does anyone in this community have any experience managing Network UPS?<div><br></div><div>I purchased an "APC 3000VA Smart-UPS" (<a href="https://www.amazon.com/gp/product/B0785NCFMY">https://www.amazon.com/gp/product/B0785NCFMY</a>) in 2020. It's been performing exactly as it should ever since, and life is great.</div><div><br></div><div>However, when I've had it, I have experienced two or three "catastrophic" power outages (<i>line utility goes out</i>), and the UPS kicks in and does exactly what it is supposed to do.</div><div><br></div><div>My problem is that in the time between buying the UPS and now, my homelab has grown significantly, and in one of those power outages, I overestimated my battery time, and my entire stack died while I was fucking around with one of the servers.</div><div><br></div><div>In my most recent power loss, learning from the past, I raced downstairs at 2AM with all the UPS alarms beeping loudly, and I raced to shut down the stack properly, knowing (<i>this time</i>) that I'd only got about 5 minutes of life. I got everything shut down this time, which is good—but it forced me to take a good hard look at some kind of Automated Shutdown.</div><div><br></div><div>I've known for a long time that these things <u style="font-weight:bold;font-style:italic">could</u> happen, but I've never had a need to investigate. Well, here we are, LOL.</div><div><br></div><div>I have the APS UPS connected to my switch, and it is getting a DHCP IP -- and I can see ARP requests going back and forth -- my pfSense FW shows that <u style="font-weight:bold;font-style:italic">it is</u> sending/receiving data -- albeit just a few kilobytes here and there, but I know there is TCP/IP life on it -- but I'm at a loss beyond that. I've tried to SSH to it, but I just always get a "Connection Refused" -- using the "default" credentials I found online, "apc/apc"... </div><div><br></div><div>So yeah, anyone out there with any background or experience with Network UPSs, I'd love to chat with you to figure out how I can get into this thing and make it do what I'm absolutely certain it's capable of doing!</div><div><br></div><div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr">--<br>Thanks,<br>Alex.</div></div><div dir="ltr"><br></div><div dir="ltr"><br></div></div></div></div></div></div></div></div></div></div>
</blockquote></div><div dir="auto"><div class='k9mail-signature'>-- <br>Sent from my Android device with K-9 Mail. Please excuse my brevity.</div></div></body></html>