CLI Cheatsheet

Cache

cache:clean 	Clean expired cache entries

Config

config:get 	Display the current value of a configuration option
config:set 	Set a value for a configuration option

Core

core:check-updates 	Check for Joomla updates
core:update 	Update Joomla

Database

database:export 	database:export
database:import 	Import the database

Extension

extension:discover 	Discover extensions
extension:discover:install 	Install discovered extensions
extension:discover:list 	List discovered extensions
extension:install 	Install an extension from a URL or from a path
extension:list 	List installed extensions
extension:remove 	Remove an extension

Finder

finder:index 	Purges and rebuild the index
Scheduler 
scheduler:list 	List all scheduled tasks
scheduler:run 	Run one or more scheduled tasks
scheduler:state 	Enable, disable or trash a scheduled task

Session

session:gc 	Perform session garbage collection
session:metadata:gc 	Perform session metadata garbage collection

Site

site:down 	Put the site into offline mode
site:up 	Put the site into online mode

Update

update:extensions:check 	Check for pending extension updates
update:joomla:remove-old-files 	Remove old system files

User

user:add 	Add a user
user:addtogroup 	Add a user to a group
user:delete 	Delete a user
user:list 	List all users
user:removefromgroup 	Remove a user from a group
user:reset-password 	Change a user's password

References

Joomla Magazine - Powerful cli