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Category Troubleshooting

Learn to efficiently troubleshoot issues with our troubleshooting guides and tips. Explore solutions to common technology problems, such as software errors, misconfigurations, and performance issues. Discover advanced diagnostic and troubleshooting techniques to keep your systems running smoothly.

Troubleshooting Docker Linux Programming

Error “WARNING: the requested image platform linux amd64 does not match does not match the detected host platformlinux arm64 v8 and no specific platform was requested ”: How to solve it

When attempting to build a PHP image on MacOS, you might frequently run into the error: WARNING: The requested image’s platform (linux/arm64) does not match the detected host platform (linux/amd64), and no specific platform was requested. This error message, which may appear in variations…

Fernando Müller Junior
20/07/2024

Troubleshooting Programming

Git error object file is empty? See how to fix ‘git loose object’ with just 3 commands

If you’ve ever encountered the git error object file is empty / git object file is empty / git loose objectt error while using Git, you know how frustrating it can be. This error occurs when one or more objects in the Git repository…

Fernando Müller Junior
15/07/2024

Kubernetes Cloud Troubleshooting

Pods stuck in ContainerCreating status with Karpenter: How to fix

Kubernetes is a powerful orchestration platform, but sometimes pods get stuck in the ContainerCreating status. In this article, we’ll explore common reasons for this issue and provide practical solutions to get your pods up and running smoothly. If you’ve ever faced this frustrating situation,…

Fernando Müller Junior
21/06/2024

Troubleshooting Observability

Zabbix busy poller processes? How to tune Zabbix and avoid Poller processes more than 75% busy

Alerts for “Zabbix poller processes more than 75% busy” and/or “Zabbix unreachable poller processes more than 75% busy” occur after situations where multiple Kubernetes nodes are born or die, resulting in significant workload for the pollers (Zabbix StartPollersUnreachable and StartPollers). However, they are not…

Fernando Müller Junior
30/05/2024

Troubleshooting Linux

10 Basic Linux commands every DevOps Engineer should learn

In the day-to-day life of a DevOps professional, efficiency and agility are essential to ensure a reliable and high-performance IT environment. In an ever-evolving landscape, we face challenges that require advanced skills in analysis and problem-solving. In this context, knowledge of lesser-known but highly…

Fernando Müller Junior
11/06/2023

Troubleshooting Programming

How to fix Laravel permission denied errors

The Permission Denied error in Laravel is one of the most frustrating problems that developers and DevOps/SRE teams can encounter when working with the Laravel framework. This problem usually occurs due to incorrect permissions settings for files and directories related to Laravel logs, especially…