Programster's Blog

Tutorials focusing on Linux, programming, and open-source

email Proxmox SMTP

Proxmox - Set Root User's Email Address

Learn how to configure the root user's email address so that they receive important notifications.

Firefox search Waterfox Brave

Waterfox - Add Brave Search

Learn how to set Brave search engine as your default search engine in Waterfox.

DNS DoT Stubby

Deploy Stubby Server For DNS Over TLS (DoT)

Learn how to configure a Stubby server on your local network, in order to use it for DNS over TLS.

letsencrypt Certbot Cloudflare lets-encrypt

Cloudflare - Create API Key for Let's Encrypt DNS Challenges

Learn how to create an API Key in cloudflare for granting the ability to generate TLS certificates through Let's Encrypt.

storage Kubernetes Longhorn persistent-storage

Christian Lempa - Storage and Backup in Kubernetes

A timestamped video from Christian Lempa on installing and using Longhorn for persistent storage in Kubernetes.

Kubernetes

Kubernetes CLI Cheatsheet

My personal cheatsheet for Kubernetes commands.

backups Proxmox Debian-12 proxmox-backup-server

Deploy Proxmox Backup Server On Debian 12

Learn how to deploy Proxmox Backup Server on Debian 12.

Bookstack

Deploy Bookstack

Learn how to deploy BookStack through the use of Docker.

install Rundeck

Debian 12 - Manually Install Rundeck

Learn how to manually install Rundeck on Debian 12, rather than deploy it through Docker.

Ansible

Debian 12 - Install Ansible

Instructions for installing Ansible on Debian 12.

LibreOffice

Librecalc - Set Allowed Values

Learn how to restrict cells to allowing only certain defined values. This video tutorial demonstrates doing this for creating timesheets.

security Proxmox firewall

Configuring The Proxmox Firewall

Learn how to configure the firewall in Proxmox.

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Programster's Blog Ⓒ 2025