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(Solution) Unknown collation: utf8mb4_0900_ai_ci

mysql

21 Feb 2023

After doing a bit of research, I found that the MySQL server running on the destination is an older version than the source server. It came down to making a small adjustment to the backup file to fix this. I edited the database backup file in a text editor and...

I just came across the case that I need to remove several fields from a content type in a Drupal 9. Those are simple to do, aren't they? On your site use the Drupal user interface, delete the fields and export the configuration. Then on the production site import the...

Deleting Drupal fields with large MySQL tables

Drupal 9 Performance mysql

01 Aug 2022

Drupal Security Updates - July 2022

Security

21 Jul 2022

Several security alerts have just been released for Drupal, several of them are critical, but they only affect you in very specific cases: https://www.drupal.org/sa-core-2022-015 It only affects D9 and only if you use iframe in the media entities. https://www.drupal.org/sa-core-2022-014 Arbitrary code execution in D9. It only affects you if your...

Two security alerts for Drupal 9 have been released yesterday, April 20, 2022. SA-CORE-2022-008 (moderately critical) https://www.drupal.org/sa-core-2022-008 Basically it is a bug that allows to skip validation in Drupal forms. This means that it affects most Drupal websites, since most websites have some form accessible by users. You should upgrade...

Drupal Security Update - April 2022

Drupal 9 Security Updates

21 Apr 2022

The Correct Way to Redirect a User After Login in Drupal

Drupal 9

12 Apr 2022

Automatically redirecting a user after login in a Drupal project is a common requirement. In Drupal 7, you'd probably have used hook_user_login() to handle this, but in Drupal 8/9 there's a more robust way to go about it. There are several contributed modules that offer this functionality, for example the...

I have already had this problem several times. So I'm going to write it down here for future cases that may arise. In my current case I'm upgrading a Drupal 8 to Drupal 9, that website has been created WITHOUT composer (moreover, it doesn't even have GIT, they still work...

Problems after moving modules to other directories

Drupal Modules Drupal 9

13 Mar 2022

View the size of mysql tables that are too heavy

Performance

12 Mar 2022

Note: This article is a reminder to my future self, so that next time I don't have to Google it again. In some cases it is interesting to know why your Drupal database weighs several GB, and knowing which are the tables that weigh more can tell us what may...

They have just officially announced at https://www.drupal.org/psa-2022-02-23 that Drupal 7 support has been extended for at least another year, and that we will have official support until November 2023. They also say that it will be re-evaluated annually, which means that next year it may be extended again. Let's remember...

Drupal 7 will have one more year of life

Drupal 7 Updates

24 Feb 2022

WPO Drupal: Don't kill caches!!!!

Performance WPO

12 Feb 2022

The other day I had to investigate how to improve the performance of a Drupal website that is not fast enough and has problems with caches. This website has several things to improve, but the one I'm complaining about today is a custom module with a code equivalent to: /**...

There are several things to consider when choosing the right module for your Drupal project. Like any other open source system, the biggest problem is that in Drupal there are always several ways to get the same result, and therefore it is normal that you can find more than one...

How to choose the right module?

drupal Drupal Modules

01 Feb 2022

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