debian 12 Archives - diditho.com https://diditho.com/tag/debian-12/ " Knowing is not enough we must apply. Willing is not enough we must do " - Bruce Lee Sun, 15 Mar 2026 14:07:12 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://diditho.com/wp-content/uploads/2023/11/cropped-diditho-photo-logo-512-x-512-32x32.png debian 12 Archives - diditho.com https://diditho.com/tag/debian-12/ 32 32 Docker SFTP Port Works on localhost but Times Out from Outside (Debian 12 + ferm + Linode NAT) https://diditho.com/2026/03/03/docker-sftp-port-works-on-localhost-but-times-out-from-outside-debian-12-ferm-linode-nat/ https://diditho.com/2026/03/03/docker-sftp-port-works-on-localhost-but-times-out-from-outside-debian-12-ferm-linode-nat/#respond Tue, 03 Mar 2026 07:37:49 +0000 https://diditho.com/?p=10920 I hit a classic “it must be Docker” moment. This post documents what was actually happening and the minimal, correct fix. The setup Symptom, “Local open, remote timeout” On the server: Everything looked correct: Docker was listening on 0.0.0.0:22222, and localhost could connect. But from outside, connections to port 22222 timed out. First principle, don’t... Continue reading →

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]]> https://diditho.com/2026/03/03/docker-sftp-port-works-on-localhost-but-times-out-from-outside-debian-12-ferm-linode-nat/feed/ 0 When “Auto Install” Breaks: Installing Longview Manually on Debian 12 (Production Safe) https://diditho.com/2025/12/18/when-auto-install-breaks-installing-longview-manually-on-debian-12-production-safe/ https://diditho.com/2025/12/18/when-auto-install-breaks-installing-longview-manually-on-debian-12-production-safe/#respond Thu, 18 Dec 2025 07:50:40 +0000 https://diditho.com/?p=10781 Production has a very specific kind of silence. It’s not the calm silence of a system that’s healthy. It’s the suspicious silence of a system that hasn’t complained yet. Nginx still serves pages. Your API still returns 200. The business dashboard looks green enough to lull everyone into optimism. But you can feel it, response... Continue reading →

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]]> https://diditho.com/2025/12/18/when-auto-install-breaks-installing-longview-manually-on-debian-12-production-safe/feed/ 0 Setting Up a Simple Firewall on Debian 12 with Ferm https://diditho.com/2025/10/22/setting-up-a-simple-firewall-on-debian-12-with-ferm/ https://diditho.com/2025/10/22/setting-up-a-simple-firewall-on-debian-12-with-ferm/#respond Wed, 22 Oct 2025 04:17:39 +0000 https://diditho.com/?p=10396 There are many ways to configure a firewall in Linux. Some people prefer ufw, others go straight to iptables or nftables. But in between those layers of complexity, there’s a small, quiet tool that often goes unnoticed: Ferm, For Easy Rule Making. The name says it all. I like Ferm because it doesn’t try to... Continue reading →

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]]> https://diditho.com/2025/10/22/setting-up-a-simple-firewall-on-debian-12-with-ferm/feed/ 0 Fail2ban on Debian 12, The Friendly, no‑nonsense setup https://diditho.com/2025/09/01/fail2ban-on-debian-12-the-friendly-no%e2%80%91nonsense-setup/ https://diditho.com/2025/09/01/fail2ban-on-debian-12-the-friendly-no%e2%80%91nonsense-setup/#respond Mon, 01 Sep 2025 01:56:23 +0000 https://diditho.com/?p=10180 Fail2ban monitors your service logs for repeated failures and blocks offending IPs using your firewall. This guide explains the concept and gives copy paste jails for SSH on 22, HTTP on 80 or 443, and MySQL or MariaDB on 3306. How Fail2ban works Key terms: Install Fail2ban Install rsyslog Fail2ban only works if it can... Continue reading →

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]]> https://diditho.com/2025/09/01/fail2ban-on-debian-12-the-friendly-no%e2%80%91nonsense-setup/feed/ 0 Choosing Between n and nvm, The Best Node.js Version Manager for You https://diditho.com/2025/07/08/choosing-between-n-and-nvm-the-best-node-js-version-manager-for-you/ https://diditho.com/2025/07/08/choosing-between-n-and-nvm-the-best-node-js-version-manager-for-you/#respond Tue, 08 Jul 2025 08:23:47 +0000 https://diditho.com/?p=9955 When working with Node.js, managing different versions efficiently is essential. Whether you’re running apps on servers or juggling multiple projects locally, a version manager simplifies your workflow. Two of the most popular tools for this job are n and nvm. Each has its strengths, and choosing the right one depends on your environment and use... Continue reading →

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]]> https://diditho.com/2025/07/08/choosing-between-n-and-nvm-the-best-node-js-version-manager-for-you/feed/ 0 Reliable Cloud Backups with Restic, Wasabi, and Debian 12 https://diditho.com/2025/07/07/reliable-cloud-backups-with-restic-wasabi-and-debian-12/ https://diditho.com/2025/07/07/reliable-cloud-backups-with-restic-wasabi-and-debian-12/#respond Mon, 07 Jul 2025 11:15:59 +0000 https://diditho.com/?p=9952 When it comes to safeguarding your data, simplicity and reliability go a long way. In this post, we’ll walk through how you can set up automatic, secure backups from a Debian 12 server to Wasabi cloud storage using Restic, a powerful yet minimalistic tool. Getting Started: What You Need Before diving in, make sure you... Continue reading →

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]]> https://diditho.com/2025/07/07/reliable-cloud-backups-with-restic-wasabi-and-debian-12/feed/ 0 Migrating from Nginx to Apache2 on Debian 12, Understanding sites-available and sites-enabled https://diditho.com/2025/07/04/migrating-from-nginx-to-apache2-on-debian-12-understanding-sites-available-and-sites-enabled/ https://diditho.com/2025/07/04/migrating-from-nginx-to-apache2-on-debian-12-understanding-sites-available-and-sites-enabled/#respond Fri, 04 Jul 2025 08:38:14 +0000 https://diditho.com/?p=9878 If you’re used to working with Nginx on Debian 12, you’ve likely mastered the sites-available and sites-enabled directory structure to manage virtual hosts. Interestingly, Apache2 adopts the same concept , just with a few differences in how things are enabled and maintained. This article walks through setting up Apache2 and draws parallels to the Nginx... Continue reading →

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]]> https://diditho.com/2025/07/04/migrating-from-nginx-to-apache2-on-debian-12-understanding-sites-available-and-sites-enabled/feed/ 0 Creating a No-Password SSH User on Debian 12 for MySQL Tunneling and More https://diditho.com/2025/06/12/creating-a-no-password-ssh-user-on-debian-12-for-mysql-tunneling-and-more/ https://diditho.com/2025/06/12/creating-a-no-password-ssh-user-on-debian-12-for-mysql-tunneling-and-more/#respond Thu, 12 Jun 2025 12:38:57 +0000 https://diditho.com/?p=9726 Sometimes you need a dedicated Linux user account—just for SSH tunneling. No password logins, no full shell access, just a secure way to access internal services like MySQL, PostgreSQL, or even web dashboards via SSH key authentication. In this article, we’ll walk through setting up a user called userexample on Debian 12, which can be... Continue reading →

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]]> https://diditho.com/2025/06/12/creating-a-no-password-ssh-user-on-debian-12-for-mysql-tunneling-and-more/feed/ 0 Fixing Dynamic IP Issue in Debian 12 on Hyper-V: Setting a Permanent Static IP https://diditho.com/2025/03/06/fixing-dynamic-ip-issue-in-debian-12-on-hyper-v-setting-a-permanent-static-ip/ https://diditho.com/2025/03/06/fixing-dynamic-ip-issue-in-debian-12-on-hyper-v-setting-a-permanent-static-ip/#respond Thu, 06 Mar 2025 06:48:59 +0000 https://diditho.com/?p=9421 When setting up Debian 12 on Hyper-V, one common issue is that the static IP reverts to dynamic after a reboot. Despite configuring a static IP, the system continues to obtain a dynamic address via DHCP. After extensive troubleshooting, I found the solution to ensure Debian 12 retains its static IP permanently. Why Does the... Continue reading →

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]]> https://diditho.com/2025/03/06/fixing-dynamic-ip-issue-in-debian-12-on-hyper-v-setting-a-permanent-static-ip/feed/ 0 How to Set Up WSL on Windows 11 and Transfer Debian 12 Between Devices with a Custom Name https://diditho.com/2025/01/30/how-to-set-up-wsl-on-windows-11-and-transfer-debian-12-between-devices-with-a-custom-name/ https://diditho.com/2025/01/30/how-to-set-up-wsl-on-windows-11-and-transfer-debian-12-between-devices-with-a-custom-name/#respond Thu, 30 Jan 2025 05:45:19 +0000 https://diditho.com/?p=9283 With the Windows Subsystem for Linux (WSL), you can enjoy the power of Linux on your Windows 11 system. This guide will walk you through setting up WSL, running Debian 12, exporting it from a desktop computer, and importing it to a laptop with a custom name as the second Debian 12 instance. 1. Setting... Continue reading →

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