Programster's Blog

Tutorials focusing on Linux, programming, and open-source

ZFS MySQL

ZFS + HTML Demonstration Video

A video demonstrating the use of ZFS to snapshot and restore a MySQL database in seconds and why this is useful.

Docker security firewall nftables

Using Nftables With Docker

Learn how one can use nftables for implementing firewall rules, whilst using Docker. However, this will require Docker to run in host networking mode.

monitoring Zabbix

Zabbix - Monitor Temperatures Using Custom Item

Learn how to create a custom "item" in order to monitor temperatures on a system.

Firefox LibreWolf

Install LibreWolf on Debian Based Distros

Instructions on how to Install LibreWolf on Debian based distros.

AWS networking DNS VPC

AWS - Allow Servers To Communicate Across VPCs (VPC Peering)

Learn how to set up a VPC peering connection so that two virtual private clouds can communicate with each other over the internal AWS network.

Firefox

Firefox - Show Scrollbars

Learn how to show scrollbars in Firefox by disabling overlay scrollbars.

Debian install

Debian 12 - KDE Setup Desktop Script

My personal BASH script for configuring a fresh desktop running Debian 12 KDE.

logrotate logs

Logrotate Cheatsheet

Learn how to use logrotate to rotate your log files, and prevent them filling up your system.

install Passbolt

Deploy Passbolt Through Docker

Learn how to deploy Passbolt through Docker.

install Proxmox

Install Proxmox On Debian 12

Learn how to install Proxmox on Debian 12.

monitoring Zabbix

Zabbix - Adjust Warning Threshold

Learn how to adjust a server's thresholds so that you don't get alerts when unnecessary, or possibly lower the threshold in case you need to be alerted sooner.

monitoring Zabbix

Zabbix - Configure Email Notifications

Learn how to configure Zabbix to send alerts to you via email (SMTP).

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Programster's Blog Ⓒ 2025