curl https://raw.githubusercontent.com/esevan/env/master/esevan_confg.sh > esevan_config.sh
chmod +x esevan_config.sh
./esevan_config.sh
This documentation includes what I use a lot but forget a lot too.
$ python -c "import string; import random; print(\"etcd-cluster-\" + ''.join(random.SystemRandom().choice(string.ascii_lowercase + string.digits) for _ in range(5)))"
$ find ./ -type f |xargs gre "str"