nVidia CUDA with the wrong video card

Matthew Heick Leave a comment

In trying to build my first crypto rig I wanted to be able to get it functional with the GPU instead of the CPU.

I had originally installed an nVidia GeForce GT 710 but came to find out later that its not a supported GPU for use with CUDA per developer.nvidia.com.

Lucky for me I had a video card to “Upgrade” to, which was an nVidia GeForce GT 630, which supports Version 2.1 of CUDA-Enabled Compute Capability.

I did have to download and install the nVidia Linux X64 driver, and without knowing that the install required kernel-devel so it could built the driver correctly.

The only thing blocking me is it seemed my build of libxmrig-cuda.so was built with the CUDA 11.6 API and the Linux X64 driver does not support that. In fact, running nvidia-smi tells me that the driver supports CUDA version 11.4, so looks like i’ll have to rebuilt my driver with 11.4.

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grub2 for Windows 10 after installing Rocky 8.5

Matthew Heick Leave a comment

So, I came into a hiccup, and the amount of time it took to diagnose and resolve seemed like it should be something I documented.

In doing the initial installation of Rocky 8.5 on the computer that my kids sometimes use that runs Windows 10 I wasn’t really given the opportunity to configure a multiboot. Instead, the system happily booted Rocky 8.5 and nothing else.

Additionally, running os-prober didn’t really find another operating system, so I had to do some manual work.

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xmrig with cuda for Rocky Linux 8.5

Matthew Heick Leave a comment

The wife wants to get into Cryptocurrency, so we get into Crypto.

She picked out a couple: VeChain(c), Stellar(c), and Bitcoin(c)

I picked out a couple: Ethereum(c), Monero(c), and Dogecoin(c)

None of them intersect, so I’ll start with my list first 🙂

First thing is to build a miner, and we’ll use an old Intel Core2 Quad Q9650 with 8GB RAM and an nVidia GeForce GT710 that I scrounged together from old parts.

Second thing is to choose a cryptocurrency to see how we can optimize it. Monero looks ezpz.

Third thing is to get familiar with xmrig and xmrig-cuda built and running. We’ll plan and build this in a Virtual Machine to make sure we have all our dependencies ironed out before committing this to an actual machine. We’ll steal some guidance from Litaiem Moatez and their first linkedin article to help us out.

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Unfortunate Shock and Awe

Matthew Heick Leave a comment

Ahh, Fall. 22 of September, 2021. I was supposed to have court today but lawyers felt like it could be delayed another 3 months.

The first day of fall started off as any odd day would. Molly and I decided to take the newly minted 3-year-old to the Strong Museum of Play, eat some food and then come back to Buffalo. We jumped on the 490 in Rochester, sailed west to hook up with the Interstate 90, and then cruised at the normal pace. Due to the gas tank being a bit low we decided to turn into the reservation at Pembroke and fill up.

Travelling northbound into Indian Falls Molly noticed a tan pickup truck on the right side of the road, and I had noticed a huge white semi truck in the field and what appeared to be a mess/entanglement of a vehicle below the rear of the truck. We did not realize what we were driving by, and we thought it odd for such a situation to exist. Obviously there were not emergency vehicles around, no sirens or lights, and we were both questioning what we thought we saw, arguing over the existence of the semi truck/pick up truck. Regardless, we drove the next 4 miles off to the reservation, got some gas, and then departed.

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9-11-2021 – 20 Years Later

Matthew Heick Leave a comment

There is going to be millions of stories that reflect back 20 years ago to the day that “America was attacked” and “Where we were”. This is one of those million stories, and coming across this story would be a 1 in a million chance.

I was almost 20 years old and waking up in a bed at 563 E. 2nd Street in Jamestown in an upstairs apartment. I had just had an amazing night with my 17 year old girlfriend, woke up, moseyed my way out of the bedroom to sit on her 23-year old brothers couch and prepared for the morning.

My usual poison in the morning was Mountain Dew, Marlboro or a Newport, and “Wake Up” on Headline News. After grabbing my 2-liter and lighting up I turned on the television. The news was on fire, reporting on something hitting the World Trade Center. Fire was plentiful but reports were scarce.

At 8:46am American Airlines Flight 11 hit the World Trade Center between floors 93 and 99. The news was scrambling to make sense and stating it was some tragic small aircraft. The World Trade Center was on fire and that’s pretty much what news cameras were focused on.

At 9:03am I witness it on the news. Flight 175 hits South Tower.

Where was I? Sitting on a couch, smoking a cigarette and drinking Mountain Dew watching a skyscraper get hit by an Airplane live on television.

That was my 9/11/2001

And so I don’t forget a classic saying: There’s an old saying in Tennessee — I know it’s in Texas, probably in Tennessee — that says, fool me once, shame on — shame on you. Fool me — you can’t get fooled again.

Thanks to timeline.911memorial.org to help me get my facts straight