Linux - Code Dodle

WP-CLI Regenerate Thumbnails for Featured Images

Hank Cheah — Sat, 02 Jul 2022 13:52:28 +0000

Here’s the WP-CLI command I used to regenerate thumbnails for featured images:- wp db query "SELECT meta_value FROM wp_postmeta WHERE meta_key='_thumbnail_id'" --skip-column-names --silent | tr '\n' ' ' | xargs wp media regenerate Explaining The WP CLI Command There are three parts to this command, first we have wp db query "SELECT meta_value FROM wp_postmeta...

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Bulk Convert All JPEGs and PNGs to WebPs using cwebp

Hank Cheah — Wed, 22 Jun 2022 05:16:27 +0000

I’m currently in the process of adding WebP support for my WordPress sites and one of the tasks involved is converting all existing images (JPEGs and PNGs) to WebP in bulk. To do that, we’ll be stringing together the find command, xargs, and cwebp. OS: Ubuntu 20.04. Host: Digital Ocean. To save you some time,...

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How to Optimize WP-Cron with Linux Cron Job for Better Performance

Hank Cheah — Sun, 29 Aug 2021 07:45:22 +0000

In this tutorial, I will show you how to optimize WordPress performance by replacing the default WP-Cron triggering mechanism with Crontab on Linux. WordPress uses WP-Cron to run scheduled tasks and it has worked for many users. But the way it works is sub-optimal. On every page load, WP-Cron checks the list of scheduled tasks...

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How to Use find -printf in Linux?

Hank Cheah — Wed, 25 Aug 2021 08:49:04 +0000

In this tutorial, you will learn how to use the GNU/Linux find utility’s printf option. Among the functionalities that make this file searching utility so powerful is its printf option. The printf option allows you to override the default output which is just filenames and their relative paths. Using -printf, you can instruct find to...

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How to Find Files Modified Between X and Y Days Ago

Hank Cheah — Mon, 23 Aug 2021 21:24:43 +0000

In this short tutorial, I’ll show you how to find files that were modified between X and Y days ago on a GNU/Linux OS. I have only tested these commands on Ubuntu, but they should also work for all GNU/Linux distros, e.g. Debian, Centos, etc. If you’re in a hurry, here are some commands for...

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How to Find Recently Modified Files in Linux

Hank Cheah — Mon, 16 Aug 2021 13:41:55 +0000

In this tutorial, you’ll learn different ways to find recently modified files in Linux. The GNU/Linux OS comes with many powerful utilities. Among these utilities is a file searching utility called find. When your problem statement includes “find” and “files” in the same sentence, chances are you can solve it with the GNU find utility....

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