Devops-Infrastructure on Roethof.Nethttps://roethof.net/categories/devops-infrastructure/Recent content in Devops-Infrastructure on Roethof.NetHugo -- gohugo.ioenronny@roethof.net (Ronny Roethof)ronny@roethof.net (Ronny Roethof)© 2026 Ronny RoethofMon, 16 Mar 2026 15:41:36 +0100Cloudflare Fell Over And Everyone Built on Top of It Toohttps://roethof.net/posts/2025/11/cloudflare-aws-azure-outages-centralization-2025/Wed, 19 Nov 2025 00:00:00 +0100ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/11/cloudflare-aws-azure-outages-centralization-2025/Cloudflare, AWS, and Azure outages show that centralized dependency risks affect modern infrastructure.VMware Is Dead: Broadcom Killed Operational Trust. Now, We Build Our Own Stack.https://roethof.net/posts/2025/11/vmware-is-dead-broadcom-killed-operational-trust/Tue, 18 Nov 2025 00:00:00 +0100ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/11/vmware-is-dead-broadcom-killed-operational-trust/The Dutch Kill Switch: Kyndryl, Solvinity, and the Sovereignty Miragehttps://roethof.net/posts/2025/11/kyndryl-solvinity-sovereignty-kill-switch/Mon, 10 Nov 2025 00:00:00 +0100ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/11/kyndryl-solvinity-sovereignty-kill-switch/Target Acquired: When WSUS Becomes the Weapon (CVE-2025-59287)https://roethof.net/posts/2025/11/wsus-weaponized-cve-2025-59287/Fri, 07 Nov 2025 00:00:00 +0100ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/11/wsus-weaponized-cve-2025-59287/When the Cloud Falls, the World Trembleshttps://roethof.net/posts/2025/10/when-the-cloud-falls-the-world-trembles/Tue, 28 Oct 2025 12:00:00 +0100ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/10/when-the-cloud-falls-the-world-trembles/The Ultimate Guide to Self-Hosted Containers in 2025https://roethof.net/posts/2025/09/ultimate-guide-self-hosted-containers-2025/Mon, 01 Sep 2025 00:00:00 +0200ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/09/ultimate-guide-self-hosted-containers-2025/Docker vs. Podman: Which Container Runtime Should You Use?https://roethof.net/posts/2025/08/docker-vs-podman-container-runtime/Sat, 30 Aug 2025 00:00:00 +0200ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/08/docker-vs-podman-container-runtime/Beyond the Hypervisor: Essential Companion Services for a Robust Proxmox VE Setuphttps://roethof.net/posts/2025/07/proxmox-companion-services/Tue, 15 Jul 2025 00:00:00 +0200ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/07/proxmox-companion-services/Ansible Automation Ecosystem: Tower, AWX, Semaphore, and Rundeck Comparedhttps://roethof.net/posts/2025/07/ansible-automation-ecosystem-comparison/Thu, 10 Jul 2025 00:00:00 +0200ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/07/ansible-automation-ecosystem-comparison/Consult the European Vulnerability Database: Another Damn Database, or a Real Step Forward?https://roethof.net/posts/2025/05/consult-european-vulnerability-database/Sun, 11 May 2025 00:00:00 +0200ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/05/consult-european-vulnerability-database/My 'Poor Man's CMDB': An Ansible Throwback and a Modern Refreshhttps://roethof.net/posts/2025/05/ansible-dokuwiki-poor-mans-cmdb/Fri, 09 May 2025 00:00:00 +0200ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/05/ansible-dokuwiki-poor-mans-cmdb/Community-Driven Anti-Spam Arsenal: From SpamCop to Modern Defense Networkshttps://roethof.net/posts/2025/04/community-anti-spam-tools/Mon, 14 Apr 2025 00:00:00 +0200ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/04/community-anti-spam-tools/Building a Proper CI/CD Pipeline for Ansible Roles (Because Manual Testing is for Suckers)https://roethof.net/posts/2025/04/building-proper-cicd-pipeline-ansible-roles/Sun, 13 Apr 2025 00:00:00 +0200ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/04/building-proper-cicd-pipeline-ansible-roles/My Top Ansible Modules for Everyday SysAdmin Taskshttps://roethof.net/posts/2025/04/top-ansible-modules-sysadmin/Thu, 10 Apr 2025 00:00:00 +0200ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/04/top-ansible-modules-sysadmin/The Update Obsession: Are We Really Opening the Front Door to Cybercriminals?https://roethof.net/posts/2025/04/rant-update-obsession/Wed, 09 Apr 2025 00:00:00 +0200ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/04/rant-update-obsession/Ditch VMware for Proxmox: It's Time to Break Free!https://roethof.net/posts/2025/04/why-migrate-to-proxmox/Tue, 08 Apr 2025 00:00:00 +0200ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/04/why-migrate-to-proxmox/Cloud or Bare Metal? My Case for Control, Sovereignty, and Sanityhttps://roethof.net/posts/2025/04/bare-metal-vs-cloud-my-perspective/Sun, 06 Apr 2025 16:03:00 +0200ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/04/bare-metal-vs-cloud-my-perspective/Let's Build an Ansible Role for Basic Linux Hardeninghttps://roethof.net/posts/2025/04/ansible-role-linux-hardening/Wed, 02 Apr 2025 00:00:00 +0200ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/04/ansible-role-linux-hardening/Contributing to Open Source: Why It Matters and How to Get Involvedhttps://roethof.net/posts/2025/03/contributing-to-open-source/Mon, 31 Mar 2025 00:00:00 +0200ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/03/contributing-to-open-source/My Favorite Tech Tools of 2025 (So Far)https://roethof.net/posts/2025/03/favorite-tech-tools-2025/Sat, 29 Mar 2025 06:52:00 +0200ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/03/favorite-tech-tools-2025/Run Llama 3.2, DeepSeek and Interact with Open WebUI Locally with Ollamahttps://roethof.net/posts/2025/03/run-llama-32-deepseek-and-interact-with-open-webui-locally-with-ollama/Wed, 19 Mar 2025 18:30:00 +0100ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2025/03/run-llama-32-deepseek-and-interact-with-open-webui-locally-with-ollama/Yum Remove duplicate packageshttps://roethof.net/posts/2018/01/yum-remove-duplicate-packages/Sat, 27 Jan 2018 09:30:29 +0100ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2018/01/yum-remove-duplicate-packages/find and mv files in bashhttps://roethof.net/posts/2015/02/find-and-mv-files-in-bash/Sun, 22 Feb 2015 09:30:29 +0100ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2015/02/find-and-mv-files-in-bash/Converting KVM Guests from LVM to QCOW2, Base Images and Snapshotshttps://roethof.net/posts/2011/11/converting-kvm-guests-from-lvm-to-qcow2-base-images-and-snapshots/Fri, 18 Nov 2011 00:00:00 +0100ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2011/11/converting-kvm-guests-from-lvm-to-qcow2-base-images-and-snapshots/How to convert KVM guests from LVM to QCOW2 format, use base images, and manage snapshots for better flexibility and performance.Converting KVM Guests from LVM to QCOW2, Base Images and Snapshotshttps://roethof.net/posts/2011/11/converting-kvm-guests-from-lvm-to-qcow2-base-images-and-snapshots/Fri, 18 Nov 2011 00:00:00 +0100ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2011/11/converting-kvm-guests-from-lvm-to-qcow2-base-images-and-snapshots/Guide on converting LVM-based KVM guests to QCOW2, creating base images and snapshots for flexible virtualization management.Postfix IPv6 Capable with RBL and BIND9 as DNSBLhttps://roethof.net/posts/2011/11/postfix-ipv6-capable-rbl-bind9-dnsbl/Fri, 18 Nov 2011 00:00:00 +0100ronny@roethof.net (Ronny Roethof)https://roethof.net/posts/2011/11/postfix-ipv6-capable-rbl-bind9-dnsbl/Setting up Postfix with IPv6 support and integrating BIND9 as a DNS-based blacklist to block spam efficiently.