Marinus Klasen

Marinus Klasen

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Docker fails to connect with archive.ubuntu.com

November 15, 2021

Upon launching a new docker-compose setup, my Dockerfile suddenly had issues installing some packages, showing errors like: It took me some time to figure out what was happening, but this Medium post got me in the right direction. Somehow, when building, docker fails to run DNS queries. Debugging: what causes this? We can test the […]

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Populating an ACF dropdown with forms from Gravity Forms

November 9, 2021

No need to explain, let’s dive into code!

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Fix for upload folder is not writable in WordPress after importing database

November 9, 2021

I don’t think it ever took me so long to fix a permission issue in a WordPress development environment. I checked my docker-compose file. I logged into to the containers to confirm I could write as the web user. It was all good. The issue? There was a database entry that defined a custom path […]

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Using ssh-keygen

November 9, 2021

Need an SSH keygen quickly? Here’s the command for you. Copy this, and add your e-mail address after like this: “email@domain.com” (with quotation marks) Full command: After, you can just hit the “ENTER” key a couple of times, unless you want to set passphrases for your keys. (this is usually only the case for high […]

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VS Code: Do you trust the authors of this folder?

November 9, 2021

Every single time I open a new project VS Code asks me if I trust the authors. It’s kind of annoying, since in 99% of the cases I am the author. Aside from that, it requires me to click a button with my mouse. Disable author check Luckily, it’s possible to disable this author check: […]

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VS Code showing errors for functions in WordPress core?

November 8, 2021

I literally got used to Visual Studio code highlighting function names from WordPress core when working in environments that don’t include the WordPress Core files. Quite disturbing actually – especially when you have code sniffers setup and follow WordPress Coding Standards. Well, today I noticed it again and did some research. Apparently, there’s an easy […]

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Importing a database from the command line

November 5, 2021

Error: Failed to get current SQL modes. Reason: ERROR 2002 (HY000): Can’t connect to local MySQL server through socket ‘/tmp/mysql.sock’ (13) In the example above, I couldn’t get wp db import (WP CLI) to import a database since a different mysql.sock was used. The solution We can use the mysql command to import the database […]

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Setting PHP versions in Deployer deployments

November 1, 2021

Sometimes your terminal environment (where you SSH into) uses a different PHP version then that you need. Most hosting companies do have several PHP versions available. But how do you use them, and more importantly, how do you set the right one when deploying new versions with Deployer? The errors you can run into In […]

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Bulk deleting options in WordPress database

October 28, 2021

Since I wanted to test how my plugin would function without data, I needed to clear some ACF created options from the database. ACF creates a whole bunch of options using a very similar name, in my case; options_mc_creator_mailchimp_api_key _options_mc_creator_mailchimp_api_key options_mc_creator_mailchimp_server And lots more.. I like using WP CLI for this but WP CLI doesn’t […]

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Contact me using the details below

Marinus Klasen

Wilhelmina van Pruisenweg 35, 2595 AN Den Haag

marinus@mklasen.com
twitter.com/marinusklasen
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