# How to Check SSD Health in Linux SSD and NVMe drives are extremely reliable, but like any storage device, they can eventually develop problems. On a Linux server, regularly checking SSD health can help you identify increasing wear, overheating, media errors, or RAID problems before they cause unexpected downtime or data loss. Linux provides … Read more
ConfigServer.com (ConfigServer Firewall) will permanently close on August 31, 2025. The ConfigServer CSF firewall has been a trusted tool for Linux server administrators for many years. Unfortunately, ConfigServer has announced that it will discontinue its services on this date, and there will be no further updates, downloads, or support available after that. This news has … Read more
This article provides an example to outline the steps required for replacing a defective drive in a software RAID (mdadm) setup. Let’s outline a real scenario I encountered yesterday. I have a mirrored (RAID1) array, and I just received an email alert from mdadm monitoring, indicating that a “Degraded Array event has been detected on … Read more
Symptoms If you’re encountering a “GPG check failed” error while installing packages on AlmaLinux, it indicates that the package’s signature couldn’t be verified with the available GPG keys. This issue might stem from a corrupt repository, an outdated or missing GPG key, or network problems. AlmaLinux 8 – BaseOS 3.3 MB/s | 3.4 kB 00:00 … Read more