How to use the htop command to monitor system processes and resource usage
Part 1. Introduction htop is the prettier, more colorful, and slightly more up-to-date version of top. A few metrics such as steal and iowait are easier to see in top, but for most other purposes, htop may be the better tool for troubleshooting server performance issues. Here is our article on top, we’d recommend you start there and then come back […]
How to Prevent Image Hotlinking
Hotlinking is where someone loads an image from another website on their own website, directly off their server and effectively stealing their bandwidth (and probably also breaking a copyright law by not having the appropriate licensing/permission in many cases). If you’d like to put protection in place on your website, below will walk you through […]
Configure Redis
Index Adjusting Redis maxmemory Redis maxmemory eviction policy Change Redis persistence Troubleshooting the REDIS MEM_HIGH Warning notification Introduction Redis is a high-performance in-memory database. For WordPress purposes, it is primarily used as a key-value store for object caching. This can provide a major performance boost as once a query has been processed by your database, […]
The WP Reset Plugin and Database Bloat
Third-Party Software Notice Our support team cannot provide support for third-party software and services. However, if you need assistance or spot an issue with this article please post in the vCanopy Community Forum, and we will make necessary updates/improvements where needed. WP Reset is an interesting plugin, but at the time of writing the default […]
Diagnosing 502 Errors
TABLE OF CONTENTS About 502 Errors Common Causes Step 1. Check PHP via Monit Step 2. Check your DNS and Cloudflare Step 3. Check your Nginx Error Log Step 4. Enable PHP Slow Logging Step 5. Check CPU Usage (if applicable) Step 6. Your Websites Database Tables are Locked Next Steps IMPORTANT If PHP and […]
Diagnosing 520 Errors
Third-Party Software Notice Our support team cannot provide support for third-party software and services. However, if you need assistance or spot an issue with this article please post in the vCanopy Community Forum, and we will make necessary updates/improvements where needed. Introduction 520 errors are CDN-specific, not web server-specific, and are a catch-all error. With […]