#12. Memcache
Uninstallation/Installation, sudo apt-get remove memcached sudo apt-get remove --auto-remove memcached sudo apt update && sudo apt upgrade sudo apt install memcached # For the use of mem-cache gem 'dalli' root@test_app:~# memcached -h | head -1 memcached 1.5.22 rails dev:cache root@test_app:~# ls tmp/ cache data development_secret.txt miniprofiler pids res restart.txt sockets root@test_app:~# rails dev:cache Development mode is now being cached. root@test_app:~# ls tmp/ cache caching-dev.txt data development_secret.txt miniprofiler pids res restart.txt sockets root@test_app:~# rails dev:cache Development mode is no longer being cached. root@test_app:~# ls tmp/ cache data development_secret.txt miniprofiler pids res restart.txt sockets touch tmp/restart.txt root@test_app:~# ls tmp/ cache caching-dev.txt data development_secret.txt ...