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To the moon! Dogemining with BFGMiner, Debian, and ATI.
Visitor from the future! Hello. I'm a newbie digger and recently setup my first dedicated mining box in Debian. I'm not the most experienced Linux user, but the machine had started with Debian Squeeze and I couldn't find its old Windows key. (Also please forgive formatting errors, I'm new to this whole "Reddit" thing as well.) I found a number of guides to misdirect me on my way, so I decided to write up a sort-of (or at least hopefully up-to-date) guide to create a Dogecoin miner on Debian with AMD cards, using BFGMiner to mine coins. Expert digging shibes: I would certainly appreciate feedback to improve this guide. This is not a headless mining guide. I have not reached that level of mastery yet, though I believe it is well within reach. HOWTO
Start by installing Debian Wheezy. Make sure you install the Desktop Environment package. Not only did I fail to make things work when installing X after the fact, but having the web browser will be convenient.
Unpack the BFGMiner source into a directory somewhere.
Open a terminal (shouldn't have to be root), cd to the directory with the BFGMiner source, and run: ./configure --enable-scrypt --enable-opencl
Once that completes, run: ./make
You'll see a lot of output from the build, but if everything goes well you should then be able to run ./bfgminer. You can test it by running: ./bfgminer --scrypt -S opencl:auto -o (pool URL here) -u (your worker's username for that pool) -p (your worker's password for that pool). It won't be very fast, however.
Using your preferred text editor, make a new file in your BFGMiner directory, such as "doge_dig.sh". Add the following: #!/bin/sh export GPU_MAX_ALLOC_PERCENT=100 export GPU_USE_SYNC_OBJECTS=1 ./bfgminer --scrypt --scrypt -S opencl:auto -o (pool URL here) -u (your worker's username for that pool) -p (your worker's password for that pool)
In your terminal, chmod 500 doge_dig.sh
You can refer to this wiki source to understand the output from BFGMiner 3.10.0. The one gotcha I've observed is that BFGMiner will happily start off showing hash rates in KHash/sec, and after the first accepted block it will jump to MHashes/sec. When I first saw my hash speed appear to drop from "250" to "0.2", I panicked a little before seeing it had changed its orders of magnitude. If you think you're still mining slowly, you might need to bump up the intensity for BFGMiner. Higher intensity means more work, and it's possible to create hardware failures if you set it too high. For my HD 5870s, I use an intensity of 12. You can either set the intensity by adding "-I 12" to the ./bfgminer line of doge_dig.sh, or you can adjust the value by pressing M in BFGMiner and working through the menu system from there. Bonus: Multiple cards What happens if I have multiple ATI cards on one rig, you ask? I had the same problem, and OpenCL would only recognize one of them! It turns out that there's an easy solution, but it costs $1.25 in resistors from your local radio shack: http://www.overclock.net/t/384733/the-30-second-dummy-plug Plug the finished product from there into your second card. If you have more than two cards, you'll need to make one for every card you want to recognize without a monitor attached to it. Reboot and restart your mining, BFGMiner should recognize all of your cards now. In theory, the above technique should allow you to run completely headless, as long as you also install SSH and be sure to have your script export DISPLAY=:0 before running BFGMiner. I haven't tried this, though. Happy mining and welcome to the Moon! I hope this is helpful to someone.
I ordered this graphics card and I saw the saphire alternative on this site to see that it has a 27.0 Mhash/s rating. Assuming the conversion from Mhash to Khash is the same from megabytes to kilobytes, I could easily see that got.... 27,000 Khash??? that doesn't see right because that means according to this calculator that would mean I was making over 15 litecoin per day. I seriously doubt it is this easy to produce these. I'm sorry for sounding like an idiot. It's late and I probably am off by a couple zeros.
Hello everyone. I have been doing a bit of research on hardware that does well with this type of thing and I came across this site when reading through forums on configs and hardware setups: https://products.butterflylabs.com/ To my understanding most of the GPU setups are in kHash which is (1 mHash / .1 gHash). Am I correct on this or off on my reading? Also, are those ASIC's set up specifically for Bitcoin mining ONLY and not Litecoin mining (as of right now)? Just seems like those will make any GPU setup completely obsolete. I was looking at some hardware setups to build some towers that would get about 500 kHash a piece (assuming I set them up right) according to this site: https://github.com/litecoin-project/litecoin/wiki/Mining-hardware-comparison#wiki-Nvidia_GPUs So first off I will be testing this out with my normal PC to see if I can get it working and then if it goes smoothly look into getting some dedicated rigs. So my question is, where should I put my money in terms of hardware? Will GPU mining be the most efficient for the time being with Litecoin mining or will holding out to get one of the ASIC setups? Sorry if I have a lot of noobie questions, just trying to make sure I understand this correctly before making any decisions. Thanks!
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