Upgrade Rocket.Chat from 3.x to 4.0, MongoDB from 4.0 to 5.0 via Docker
RocketChat and Mongo DB have upgrade release, but the whole process is not that easy to be honest
Linux
A collection of 5 posts
Milestone
We did something
Something About Terminal
Terminal is essential
Some Basic Pre-requisites
Open all ports (dev purpose only) $ sudo iptables -P INPUT ACCEPT $ sudo iptables -P FORWARD ACCEPT $ sudo iptables -P OUTPUT ACCEPT $ sudo iptables -F $ apt-get purge netfilter-persistent $ rebootInstall docker $ curl -fsSL https://get.
Use Swap File to Allocate Memory
When physical RAM is already in use, instances use swap space as a short-term replacement for physical RAM. Contents of RAM that aren’t in active use or that aren’t needed as