Writings

Set up a secure and efficient SMTP server with Postal, from installation to advanced configuration.

A faster, cleaner alternative to APT for managing packages on Debian-based systems.

Monitor real-time server performance with dstat to track CPU, disk, memory, and network activity.

Learn how to benchmark disk performance on a Linux server using various tools and metrics, to assess IOPS, throughput, and latency.

Learn essential commands and techniques to monitor your Linux server's resource usage and fix performance bottlenecks.

Learn why Linux servers need reboots and how to safely reboot your production environment with minimal downtime.

Explore how to use Auditd to monitor and audit activities on Linux servers for improved security and compliance.

Discover how kernel live patching boosts security and uptime for high-availability Linux servers without the need for reboots.