Repair all tables

mysqlcheck -u root -p --auto-repair --check --all-databases

Repair a database

mysqlcheck -u root -p  --repair --databases databasesname

Let's Encrypt is a free, automated, and open certificate authority allow you to get SSL / TLS Certificates for free of charge.

https://letsencrypt.org/

1. How to regain access to Webmin with IP Access Control enabled

Edit : /etc/webmin/miniserv.conf

Add your IP to : "allow"

Example :

allow=12.34.56.78 98.76.54.32

Step 1: Activate RESTful Webservice

Active modules:

HAL (hal)

RESTful Web Services (rest)    

HTTP Basic Authentication (basic_auth)

Download and active contrib modules:

REST UI (restui)

You can call drupal 8 services statically as D7, but it is not the best practice (Like Here).

Example : $uuid = \Drupal::service('uuid')->generate();