Programster's Blog

Tutorials focusing on Linux, programming, and open-source

Wordpress

Using WordPress With a Reverse Proxy or Load Balancer

Learn how to resolve issues that arise from running WordPress behind a reverse proxy.

SSH security passwords

Configure SSH To Allow Logging In Via Password For Certain Users or Groups

Learn how to allow specific users to authenticate using a password, whilst everyone else has to authenticate via a key file instead.

samba

Debian 11 - Create Samba Share

Instructions how to set up a SAMBA share on Debian 11.

networking DNS systemd

Configure Systemd Nameservers

Learn how to configure your nameservers by editing the systemd config files.

hosting

Cheap HDD VPS Providers

A list of VPS's with cheap HDD storage for backups/file-hosting.

AWS EC2

Amazon EC2 - Retrieving Metadata

Learn about retrieving metadata about an instance using Amazon's metadata server.

PostgreSQL

PostgreSQL - Ensuring Non Uniqueness Using Exclude Using Gist Constraint

Learn about adding a constraint, that acts the opposite of a unique constraint, ensuring that values across rows for two columns are never distinct.

Nginx reverse-proxy webserver

Deploy Nginx Proxy Manager Through Docker

Learn how to deploy Nginx Proxy Manager, in order to easily configure reverse proxying for your websites.

Vault HashiCorp secrets-management

Deploy Hashicorp Vault through Docker

Learn how to deploy Vault by Hashicorp through Docker.

Proxmox

Proxmox Storage Guide

A guide to Proxmox Storage.

networking Netplan DHCP

Ubuntu - Multiple Network CIDR Issue

Resolve an issue with receiving a dynamic secondary IP in Ubuntu.

Wiki Documentation

Deploy Your Own Wiki With XWiki

Learn how to deploy your own Wiki with XWiki and Docker.

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Programster's Blog Ⓒ 2025