Bitcoin Miner: BFGMiner

add-apt-repository ppa:eugenesan/ppa
apt update
apt-get install bfgminer -y

Single pool:

bfgminer -o http://pool:port -u username -p password

Multiple pools:

bfgminer -o http://pool1:port -u pool1username -p pool1password -o http://pool2:port -u pool2usernmae -p pool2password

Multiple blockchains:

bfgminer -o http://pool1:port -u pool1username -p pool1password --pool-goal default -o http://pool2:port -u pool2usernmae -p pool2password --pool-goal freicoin