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How to Fix Error Establishing a Database Connection in WordPress [SOLVED]
RunCloud Team
RunCloud Team

Sep 09, 2025

7 min read

How to Fix Error Establishing a Database Connection in WordPress [SOLVED]

Few WordPress errors are as frustrating as seeing the message “Error Establishing a Database Connection.” It instantly takes your site offline, blocks both visitors and admins, and can cause serious downtime if not resolved quickly. This error occurs when WordPress cannot connect to your MySQL database, where all your posts, pages, and settings are stored. …

How to Find Most Used Disk Space Directories and Files in Linux
RunCloud Team
RunCloud Team

Sep 09, 2025

9 min read

How to Find Most Used Disk Space Directories and Files in Linux

On Linux, disk space can disappear fast. This guide shows you how to spot the biggest files and directories quickly, understand size mismatches, and free up space safely. How Do You Check Disk Usage With Built-In Linux Tools? In Linux Bash, you have several built-in utilities and commands that you can use to check and …

How to Delete A Large Directory with Thousands of Files in Linux
RunCloud Team
RunCloud Team

Sep 03, 2025

8 min read

How to Delete A Large Directory with Thousands of Files in Linux

Deleting a large directory with thousands of files in Linux can be slow or even fail with basic commands. Whether you’re cleaning up old logs, project files, or datasets, knowing the right commands makes the process faster and more reliable. In this guide, we’ll show you how to delete directories with thousands of files in …

How to Check Your Ubuntu Version (Using the Command Line and Gui)
RunCloud Team
RunCloud Team

Jul 26, 2025

5 min read

How to Check Your Ubuntu Version (Using the Command Line and Gui)

Whether installing new software, following an online tutorial, or troubleshooting an issue, one of the first questions you’ll face is, “What version of Ubuntu are you running?” Your operating system details are necessary for managing your system’s health and functionality. The version number of your operating system determines which applications and Personal Package Archives (PPAs) …

How to Migrate Your Server with (Near) Zero Downtime
RunCloud Team
RunCloud Team

Jul 01, 2025

10 min read

How to Migrate Your Server with (Near) Zero Downtime

Server migration doesn’t have to be stressful. Whether you’re upgrading hardware, switching providers, or changing location, the process should be strategic, not risky. Server migrations are necessary for any growing application to move to more powerful hardware, a better network, or a more strategic geographic location. However, this migration often requires some downtime to move …

How to Fix WordPress HTTP Error When Uploading Images (Quick Guide)
RunCloud Team
RunCloud Team

Jun 24, 2025

9 min read

How to Fix WordPress HTTP Error When Uploading Images (Quick Guide)

Running into the “HTTP error” when uploading images to WordPress is frustrating, especially when everything else seems to be working fine. There’s no detail in the message, no hint at the cause, and no obvious fix. It could be a plugin conflict, a server setting, or something else entirely. This quick guide walks you through …

How to Identify and Kill Queries with MySQL Command-Line Tool
RunCloud Team
RunCloud Team

Apr 21, 2025

9 min read

How to Identify and Kill Queries with MySQL Command-Line Tool

Is your application slow? Are users complaining about lag? This slowdown might be because your MySQL server is struggling under the weight of a long-running or problematic database query. When your WordPress site or web application relies heavily on its database (and most do!), a single poorly performing query can have a massive impact. Although …

The Ultimate Guide To Install NextCloud Using RunCloud
RunCloud Team
RunCloud Team

Mar 22, 2025

10 min read

The Ultimate Guide To Install NextCloud Using RunCloud

NextCloud is a self-hosted productivity platform that offers industry-leading, on-premise content collaboration functionality. It’s an alternative to Dropbox or Google Drive, but with the advantage that it can be installed on your own server, ensuring that your data remains under your control. You can use NextCloud to share and collaborate on documents, send and receive …

8 Best GTmetrix Alternatives for Website Performance Testing (Includes Free)
RunCloud Team
RunCloud Team

Feb 25, 2025

11 min read

8 Best GTmetrix Alternatives for Website Performance Testing (Includes Free)

Website speed matters – if your site loads slowly, people will leave. GTmetrix is a common tool for checking website performance, but it’s not the only one. This post examines different ways to test your website’s performance, including exploring several GTmetrix alternatives we recommend considering. We’ll also cover options if you’re looking for a free …

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