Drupal 9 sudah tidak memakai Theme Classy dan Stable, kedua Theme ini sudah usang (deprecated). Namun kedua Theme ini tidak dapat di Uninstall karena tidak muncul di menu Appearance. Hal ini sangat mengganggu karena muncul error di Reports - Status Report.
Cara uninstall kedua theme ini sbb:
Drupal 9 menyediakan 2 module CKEditor, yaitu CKEditor 4 dan 5. Hal ini sungguh membingungkan, mengapa tidak langsung dibuat upgradenya seperti pada umumnya sebuah module diupgrade? Entahlah.
Untuk mengupgrade CKEditor 4 menjadi CKEditor 5 maka caranya sbb:
Pada saat kita membuat module atau theme dengan cara cloning maka perlu utk melakukan rename pada nama file dan juga semua text, variable dan function/object.
Untuk mengubah file name secara recursive sbb:
find . -name '*.txt' -print0 | xargs -0 -n1 bash -c 'mv "$0" "${0/oldname/newname}"'
Sedangkan untuk mengubah content file-nya sbb:
find ./ -type f -exec sed -i -e 's/ceremai/arjuno/gi' {} \;
Have a nice day (WW).
Sometimes clients give their Files/Backups of Dupal by sharing a Google Drive Link, when you wget the given link then you will get the link only, not the file. Look at this link:
https://drive.google.com/file/d/FILEID/view?usp=drivesdk
To get the file for simple/smaller file then use:
wget -c -t10 --no-check-certificate 'https://docs.google.com/uc?export=download&id=FILEID' -O NEWFILENAME
For large file:
Want to add WhatsApp (WA) icon/bubble? Just install WhatsApp Bubble and you're all set!
Open WA Bubble from https://www.drupal.org/project/whatsapp_bubble then install using Composer or manually install using Drupal Module Install page.
Depend on your project, but here my must have Drupal modules. Some modules only required one time during Drupal setup, such as: Menu Delete. Another modules required to if core modules have not yet complete their feature, such as Media modules to play external video.
Some modules which automatically installed (since this modules are dependency one) will not listed, i.e: Token and CTools which automatically installed when install Pathauto module. I will update this list.
Upgrade from Drupal 8 to 9 is easy. Just install Upgrade Status module then you will see which modules or themes not ready for Drupal 9.
Install Upgrade Status module from https://www.drupal.org/project/upgrade_status, or direct install using composer:
#composer require 'drupal/upgrade_status:^3.8'
After activated this module then Reports - Upgrade Status. (WW)
This error, "PHP Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP)" indicated a constant must be define first. This happen when you use PHP version >= 7.2.
To solve this issue you can define the constant or just downgrade to PHP 7.1. (WW)
The error of "Error adding inotify for /public_html/sites/default/files/php/twig/ ... No space left on device" caused by no more inotify available in your system. Quiet simple to solve this issue, just increase the inotify value. But problem will be hard if you use Container for VPS, you need Server Administrator to alter inotify value.
Suppose your inotify is 8192 and you want to increase to 128000:
The error of "Warning: “continue” targeting switch is equivalent to “break”. Did you mean to use “continue 2"?" caused by your CMS did not support newer PHP version. There 2 solutions:
Of course, revise your code to support newer PHP version is the best way, but sometimes you have no choice rather than downgrade your PHP version to 7.2.
