From the looks of it, you just need to

1. make sure that miner exists in the current directory (ls -al)
2. start the miner like this ./miner --flags etc etc  ( ./ is current dir).

Thanks

edit - sometimes it is named "minerd", but IDK in your case, I don't use that miner.

the problem is that your current directory is not in your %PATH% so it can't see miner, so you have to start it by ./ or fully qualified path e.g. /usr/local/src/miner-src/build/miner --flags