@a_5mith said: sudo apt-get install -y redis-server thanks for you all your help @a_5mith It was a problem installing Redis, nothing to do with NodeBB. I forgot to install tcl8.5 for a propper redis installation in debian. I hope this help for future related problem, you can see how proper install redis following these steps: How To Install and Use Redis | DigitalOcean This tutorial covers the Redis Installation, some simple Redis operations, and the 5 Redis data types. Redis, developed in 2009, is a flexible, open-source, key value data store that allows users to store vast amounts of data without the limits of a r