Written by Philipp on 2026-07-22
Tailscale VPN: Connect Your Own Services on Your Own Infrastructure
AI . Network . Personal . Security . ToolingProxmox in the data center, a laptop in the home office, a Raspberry Pi at the edge of a field, and a DGX Spark for inference: your own hardware is rarely in one place. NAT, firewalls, and dynamic IPs separate the devices. Manual WireGuard means: exchanging keys, maintaining IPs, updating firewall rules. Tailscale builds on
Written by Philipp on 2023-11-20
Fixing Issues after upgrading Proxmox 7 to 8
CLI . Network . ProxmoxMy initial plan was to update all of my Proxmox nodes to the latest version by the end of this year. While most updates proceeded smoothly, I encountered two errors on one particular node. Given that updating servers is a critical operation, especially when they are only remotely accessible via the network, I decided to
Written by Philipp on 2020-06-08
Securely Connected Remote Work
AI . Network . Personal . Security . ToolingConnecting Distributed Nodes with a Nebula VPN Remote work has become the norm in the current situation. In a digital working environment, this should actually offer optimal possibilities. But one thing can become a problem: essential systems required for the daily workflow often cannot be used in a remote-work context. Not every company has set
Written by Philipp on 2015-09-29
Install CoreOS on Proxmox
Network . Tooling . Uncategorized . VirtualisierungSome words before we start… Hello Blog, it’s been a while. I still have to deliver the last part of the Munin Plugin Development Series (Part 1, 2, 3). Today I would like to write something about the Setup of a CoreOS Environment on Proxmox. Proxmox is a Debian based Distribution that bundles a Web
Written by Philipp on 2014-06-22
Writing Munin Plugins pt2: counting VPNd Connections
Mac . Network . Perl . ToolingPreamble Every Munin Plugin should have a preamble by default: #!/usr/bin/env perl # -*- perl -*- =head1 NAME dar_vpnd a Plugin for displaying VPN Stats for the Darwin (MacOS) vpnd Service. =head1 INTERPRETATION The Plugin displays the number of active VPN connections. =head1 CONFIGURATION No Configuration necessary! =head1 AUTHOR Philipp Haussleiter <philipp@haussleiter.de> (email) =head1 LICENSE
Written by Philipp on 2014-06-22
Writing Munin Plugins pt1: Overview
Bash . Mac . NetworkWriting your own Munin Plugins Around February this year, we at innoQ had the need for setting up a Mac OS based CI for a Project. Besides building of integrating some standard Java Software, we also had to setup an Test Environment with Solaris/Weblogic, Mac OS for doing a CI for an iOS Application and
Written by Philipp on 2013-08-04
Build and Test Project TOX under MacOS
Build . Hacking . Network . ToolingSome Steps to do You need to have XCode with installed CLI Tools (see here) If you are using MacPorts (you really should), you need to install all necessary Dependencies: port install libtool automake autoconf libconfig-hr libsodium cmake Checkout the Project TOX Core Repository: git clone –recursive https://github.com/irungentoo/ProjectTox-Core.git cd ProjectTox-Core cmake . make all You
Written by Philipp on 2012-05-29
Fixing Redirects of a Play! App behind an Apache2 SSL Proxy
Java . Network . Play! FrameworkSo you just finished your first Play! App. You want to run that thing behind an Apache2 as a HTTPS Proxy, because you do not want, that your User-Credentials are read as clear text. So a very basic Apache Configuration looks like this: <IfModule mod_ssl.c> Listen 443 SSLRandomSeed startup builtin SSLRandomSeed
Written by Philipp on 2012-03-21
Run local/remote terminal commands with java using ssh
Java . Network . Play! Framework . SnippetsSometimes you need to use some CLI-Tools before you want to create or search for a native JNI Binding. So there is a common way, using the Java Process-Class. But then you might meet two problems i had to face in the past during several problems: There are (a really small) number of CLI-Tools, that
Written by Philipp on 2008-07-01
Multicast – genauer Nachgeschaut
Java . NetworkDa das ja heute bei der Tafelrunde eher etwas zusammengesucht war, habe ich mich noch mal hingesetzt und mir die Dinge an-/eingelesen. Ich werde einfach mal versuchen die Fragen, die da aufkamen wiederzugeben und dann mit passenden Texten beantworten: Was ist Multicast? Multicast ist eine Nachrichtenübertragung von einem Punkt zu einer Gruppe von Empfängern (auch