Recently i was working on a Magento 2 webshop. It had a bug that when you visited the order grid you would get an exception. It was very generic, from the exception trace i was not possible to find the source. When i had a similar problems in Magento 1 the first step i would do was disable all non-Magento modules. This was simple, just move the xml files of the module you wanted disabled out of the
app/etc/modules directory and you're done.
With Magento 2 this is different: Here you can disable module in 2 ways: Using the
bin/magento command, or editing the
app/etc/config.php file. My preferred way is using the
bin/magento way, as it follows the Magento way.
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The disabling of modules is easy: Just run
bin/magento module:disable Vendor_ModuleName. It also accepts multiple module names:
bin/magento module:disable Vendor_ModuleName Vendor2_ModuleName2. But how do we do disable all non-magento modules? We can using this command:
php bin/magento module:disable $(php bin/magento module:status |grep -vE 'Magento|List|None|^$')
How does this work?
Basically this runs 3 commands:
php bin/magento module:disable
This is pretty straight forward: Disable the specified modules.
php bin/magento module:status
This is also pretty straightforward: It lists all available module. Enabled or disabled.
grep -vE 'Magento|List|^$'
This is where the real magic happens. The output of
module:list is piped to grep. Because we are using the
-v flag, grep works opposite. It filters out all matches, instead of keeping them. The
-E flag is so we can use a regex. The regex searches for:
Magento - Magento_Catalog, Magento_CMS, etc.
List - The module:status command contains this line:
List of disabled modules
None - When all modules are enabled, the list of disabled modules contains the
^$ - Remove any whitespace.
Because we wrapped the last two commands in an $(), that command is executed first. The output of those commands is then passed to the module:disable command. Basically this command is executed:
php bin/magento module:disable Magento_CMS Magento_Catalog Magento_Theme [etc]
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