Tag: linux
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reducing power consumption of proxmox nodes
I noticed the other day that my proxmox nodes are running at max turbo frequency all the time. Even when there is virtually zero activity, the 8700 and 7700k are sitting at 4.2ghz+ on all cores. The little x270 stays locked at 3.4ghz on its two cores. Since these servers idle a huge amount, they…
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summer server upgrade wrap-up
It’s finally upgrade time! >(click here to skip to the new stuff)< I originally built this homelab cluster in December of 2022 for a few reasons: for fun, for learning, and to help me pivot my career away from manufacturing and into IT. I saved up a bunch of money, quit my factory job, and…
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proxmox: get rid of gray question marks
Sometimes you might find that one of your nodes and all its containers, VMs, and storages have gray question marks beside them. This happens because the cluster has lost quorum. When this happens, sometimes you can even still see the real-time stats in the summary page the node and machines still ticking along. Here’s the…
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random linux tips and tricks: february
Here are some random things I learned this month! find files way faster than “find” with mlocate This one is cool! “Find” can be a pain in the butt sometimes, and it’s really slow if you have a large drive with lots of files on it. Using mlocate, you can find files nearly instantly by…
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state of the cluster: 1/23
The homelab has come a long way in the past couple of months. It’s still a heap of e-waste, but now it’s a BIG heap of e-waste! It’s been so fun to learn all of this stuff. It’s been so fun, in fact, that I want it to be my job. How it started: It…
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tls_process_server_certificate: certificate verify failed (596)
Sometimes I get this error message in Proxmox after making a network change, messing with an ssh key, or some other random mistake. Once this happens, the nodes in my cluster become inaccessible through the admin interface. Here’s how I get the cluster running again: Copy and paste the command that ssh spits out to…