I'm a total noob regarding bitcoin mining, I've installed cgminer using apt-get install but I can't get it to work.

I start it with this command:

./cgminer  -o stratum+tcp://www.albamine.net:3333 -u Weblogin.WorkerName -p WorkerPassword

I followed these instructions: (I'm mining for scotcoin.)

  1. Install Ubuntu
  2. Install updates
    sudo apt-get update
  3. Install updates for your graphics card
  4. Install misc packages
    sudo apt-get install gedit git libcurl4-openssl-dev libncurses5-dev pkg-config automake yasm
  5. Edit grub configuration
    sudo gedit /etc/default/grub
    Edit GRUB_TIMEOUT=10 to GRUB_TIMEOUT="10" sudo update-grub
  6. Download ATI OpenCL drivers. Untar it and run the script inside.
  7. Reboot.
  8. git clone git://github.com/ckolivas/cgminer
  9. Download the ADL SDK. Unzip it. Copy the include directory into cgminer, and name it ADL_SDK
  10. Check dependencies for cgminer. cd ~/cgminer ./autogen.sh
  11. Create the build script: CFLAGS="-O2 -Wall -march=native -I /opt/AMDAPP/include/" LDFLAGS="-L/opt/AMDAPP/lib/x86_64" ./configure
  12. make
  13. Run using export DISPLAY=:0; export GPU_USE_SYNC_OBJECTS=1; ./cgminer -n

The first few times I tried I got an error that repeatedly said:

KnC spiL Can not open SPI device /dev/spidev1.0: No such file or directory.

NowI'm getting a terminal that looks like this, and I have no idea. I've googled select sections of the code but can't figure out what it's all about. Any suggestions would be gratefully received. Thanks.

enter image description here

Info. Running Ubuntu 14:04 on a System 76 Galago Ultra pro.

1 Answer 1


Your system reports: Intel's new Iris Pro graphics.

As far as ubuntu 13.10 was concerned the package cgminer was compiled for nvidia graphics cards and installed the module for ubuntu.

Consider running a system with dedicated GPU w/ PCIe: e. g. nvidia and ATI and possibly compile cgminer by yourself.

I tried bfgminer for ubuntu now, see here: http://jarco.be/install-bfgminer-ubuntu-mint/

...but cannot get it to work for litecoin scrypt right now...

NOW up and running bfgminer compiled for ubuntu 14.04 with howto from here: https://debianhelp.wordpress.com/2012/01/02/bitcoin-mining-in-ubuntu-with-bfgminer/

with some minor changes:

  • installed "bitcoin-qt" instead of "bitcoin"
  • sudo apt-get install uthash-dev
  • ./autogen.sh && ./configure --enable-scrypt --enable-opencl && make
  • modified ".bfgminer/bfgminer.conf" can be pasted here, if you want -> 880kh/s @ ATI Radeon R9 290X
  • Oh I see, it looks like mining for scotcoins might be more involved than I'd expected. I'd hoped it would be the sort of thing I could've done using spare processing power when my laptop isn't busy! Thanks for enlightening me!
    – EddyTheB
    Apr 29, 2014 at 18:12
  • Furthermore the cgminer versions mentioned on your getting started page are outdated, there is only 4.x available. And these versions do not support GPU mining at all (Con Kolivas writes): Q: What happened to CPU and GPU mining? A: Their efficiency makes them irrelevant in the bitcoin mining world today and the author has no interest in supporting alternative coins that are better mined by these devices.
    – Leder
    May 1, 2014 at 3:38
  • 1
    Here is the pastebin instructions in HTML format that you can use to install everything since the web site is no longer hosting that page. pastebin.com/S2r9cSeD
    – user19647
    Oct 10, 2014 at 2:19

Not the answer you're looking for? Browse other questions tagged or ask your own question.