Marc Wäckerlin
Für eine libertäre Schweiz

Aktuelle Beiträge

20181220_000658_HDR Computer: Run a Stable LizardFS After some evaluation, LizardFS is my recommended distributed file system. It provides redundancy for huge amounts of storage and is fast enough to serve as docker storage backend. But still there are a lot of pitfalls that could make you loose your data. Here is a collection of my learnings.
20181210_121905_HDR Computer: PC-Engines APU.2D4 as Docker Worker How to use some cheap CHF 178 APU.2D4 servers to build up a powerful docker swarm cloud based on Ubuntu. You find step by step installation instruction including some hints for optimization. As storage backend, I recommend LizardFS.
gnome-system-software-installer-icon-with-osx-logo Computer: Extract Mac-OSX dmg and pkg Installer How to extract a Mac-OSX installation package on Ubuntu Linux to analyze the contents.
20180702_150453_HDR Computer: SuisseID as Code Signing HSM How to get a SwissSign codesign certificate using the SuisseID as HSM on Linux Ubuntu. Example how to digitally sign a windows executable.
Cloud_upload_font_awesome_Dave_Gandy Computer: Backup Ubuntu to Docker Setting up a server for backing up your ubuntu home, e.g. from your notebook, is a task, done in just ten minutes. All you need is a publicly available server running docker.
filesystem-evaluation Computer: Evaluation of Distributed Filesystems for Docker Swarm Evaluation of a distributed filesystem to be used for docker swarm volumes.
docker-swarm-gluster-ubuntu Computer: Docker Swarm and GlusterFS Docker swarm is very easy to setup and maintain. It distributed containers over several nodes in a cloud, offers load balancing, redundancy, failover, smooth updates. But local volumes stay locally, so you need a cluster or network file system. That's where gluster enters the stage.
20170801_021542_HDR Computer: Preiswerte flexible Multmedia-Lösung Baue einen coolen Videospieler für weniger als hundert Franken aus einem Raspberry Pi mit OpenELEC als Betriebssystem, Kodi (ehemals XBMC) als Mediencenter und xStream als Add-on, um beliebiege Videos in Deutsch aus dem Internet zu schauen.
kubernetes-in-ubuntu-logo Computer: Kubernetes on Ubuntu 16.04 How to install and maintain Kubernetes in Ubuntu 16.04. I have abandoned Kubernetes in favour of Socker Swarm which is much easier to use and maintain.
Virus Computer Combating Computer: WannaCry / Computersicherheit: Schutz vor Cyberattacken Es gibt einfache Möglichkeiten, sich vor Computerattacken, Viren, Betrug und Phishing zu schützen. Grundsätzlich gelten für alle Betriebssysteme die gleichen Regeln im Umgang mit Sicherheit, Updates und E-Mails. Allerdings gibt es auch Systeme, die sicherer sind, und solche, die besonders unsicher sind. Was das Umfeld betrifft, so muss man die Geheimdienste zurückbinden.
20170402_191817_HDR Computer: Add or Replace Harddisk on Running System Simple command line steps to add a new harddisk to a running Linux LVM system, and how to exchange an old harddisk with a newer bigger one. Even with no reboot needed.
ctrl-alt-f-keys Computer: Overwrite Console Key Mapping Ctrl+Alt+F1 A description on where and how to change the basic Unix key mappings on Ubuntu. If you want to reconfigure Ctrl-Alt-Del or Ctrl+Alt+F1 or Alt+F1, you find a solution in this article.
docker41c878f83207e55634e1f5b602469a18 Computer: Docker Overview This article is for all those who are confused by the Docker concepts and who would like to have a short summary of the important things, instead of a widely distributed documentation.
gnu-build-debian Computer: «Debianize» a Project This is outdated, use my new bootstrap-build-environment project instead! (new blog post for that topic will follow) This article describes, how to add fully automated Debian package building to an existing project, as preparation for a Jenkins build job.
cross-compile-openssl Computer: Cross Compile OpenSSL for Windows on Linux This article explains how to configure and build the OpenSSL library on a Ubuntu Linux to run on 32bit or 64bit Windows.
c++-cross-compile Computer: Cross Compile on Ubuntu Linux for Windows Using MinGW Cross Compiling on a Linux (Ubuntu) for Windows targets has become really simple in the last years.