Magento2

with standard parameters, you can use this command after you are in Command line (SSH)

bin/magento setup:config:set --session-save=redis --session-save-redis-host=127.0.0.1 --session-save-redis-log-level=3 --session-save-redis-db=2

References

To backup your store using the command line please login to your root magento server (SSH), then execute this command

magento setup:backup --code --media --db

Imagine that some of your team cancel an order in Magento by mistake, What is the solution?
By the below code you can restore the cancelation, hope it will help you

<?php

protected $_customerFactory;

public function __construct(
    ...
    \Magento\Customer\Model\ResourceModel\Customer\CollectionFactory $customerFactory
    ...

To create an invoice for an order that contain bundle product you have to prepare the good json.

Basically Magento has two different types of bundle products: dynamic and fixed. That's why I need to add clarification for Expected Result:
I) Bundle dynamic product:

in this code you will see how to get all Customer's Orders from Magento2 using the REST API

To hide the recently ordered product block from the left side

Create default.xml in your module or theme's view/layout folder and paste the below code.

To enable the profiler we can add it from index.php or apache/nginx conf file.

Enable/Disable Profiler from Command Line:
# Enable the profiler.
php bin/magento dev:profiler:enable
# Disable the profiler.
php bin/magento dev:profiler:disable

Enable Profiler from index.php:

To flash the Catalog Images cache, first of all instantiate the Object and Event Manager in your constructor

private $objectManager;
private $eventManager;

public function __construct(
    \Magento\Framework\ObjectManagerInterface  $objectManager,
    \Magento\Framework\Event\Manager $eventManager
){
     $this->objectManager = $objectManager;
        $this->eventManager = $eventManager;
 }

After that you can clean the catalog images cache by using this two code lines

Log in to your Magento directory using SSH.

Disable RMA

• bin/magento module:disable Aheadworks_Rma
• bin/magento setup:upgrade
• rm -rf var/cache/*
• rm -rf var/page_cache/*
• rm -rf generated/*

Enable RMA

• bin/magento module:enable Aheadworks_Rma
• bin/magento setup:upgrade
• rm -rf var/cache/*
• rm -rf var/page_cache/*
• rm -rf generated/*