May be not directly related to your question but I was facing same error and it turn out that on my system redis-server package was not installed.
Problem was resolved with,
Ubuntu: sudo apt-get install redis-server
Cent OS: sudo yum install redis
May be not directly related to your question but I was facing same error and it turn out that on my system redis-server package was not installed.
Problem was resolved with,
Ubuntu: sudo apt-get install redis-server
Cent OS: sudo yum install redis