I wanted to try mining on my Kubuntu 13.04. Not to get rich, but simply to verify that the production of crypto-currencies really was decentralized, and also to learn how-to mine.

I first tried mining Bitcoin with BFGMiner. I choose the later over cgminer because that’s the only one I found to be readily available from an Ubuntu PPA:

$ sudo tee -a /etc/apt/sources.list <<-EOF
    deb http://ppa.launchpad.net/unit3/bfgminer/ubuntu quantal main
    deb-src http://ppa.launchpad.net/unit3/bfgminer/ubuntu quantal main
  EOF
$ sudo aptitude install bfgminer

Unfortunately the version was not up to date, and was not compiled for mining scrypt-based coins like Litecoin. Here is how I built BFGMiner with this support.

Install the dependencies:

$ sudo aptitude install build-essential autoconf libtool libjansson-dev libcurl4-gnutls-dev libncurses5-dev libudev-dev libusb-1.0-0-dev yasm uthash-dev

Get a copy of the latest version and prepare the environment:

$ cd ~
$ git clone https://github.com/luke-jr/bfgminer.git
$ cd bfgminer/
$ ./autogen.sh

Then I built it while enabling scrypt and CPU optimizations:

$ ./configure --enable-cpumining --enable-scrypt
$ make

Then create a config file in ~/.bfgminer/bfgminer.conf:

{
"pools" : [
  {
    "url" : "stratum+tcp://coinotron.com:3334",
    "user" : "foo.ltc",
    "pass" : "xxxxxxxxxx",
    "pool-priority" : "0"
  },
  {
    "url" : "http://p2pool.org:9327",
    "user" : "LTxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
    "pass" : "password",
    "pool-priority" : "1"
  }
]
,
"algo" : "scrypt",
"api-port" : "4028",
"expiry" : "120",
"expiry-lp" : "3600",
"gpu-dyninterval" : "7",
"log" : "5",
"no-pool-disable" : true,
"no-show-processors" : true,
"no-show-procs" : true,
"queue" : "1",
"scan-time" : "60",
"scrypt" : true,
"skip-security-checks" : "0",
"submit-stale" : true,
"temp-hysteresis" : "3",
"shares" : "0",
"kernel-path" : "/usr/local/bin"
}

And your ready to launch the miner:

$ ~/bfgminer/bfgminer

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