Rails + Dalli memcache gem: DalliError: No server available

I had the same problem. First I installed memcached as a gem gem install memcached and got the error "DalliError: No server available"

Then I installed memcached by doing sudo apt-get install memcached. It works fine now.

If you're a Homebrew user:

brew install memcached

Check if the service is running:

brew services list

If not, start it:

brew services start memcached