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Computer: Tutorial: Docker-Compose Deployment Discover how to deploy a simple NestJS application alongside WordPress and MySQL using Docker-Compose. This guide walks you through setting up Docker-Compose with a step-by-step explanation, from building a custom NestJS service to routing with Traefik, all while maintaining service isolation and security with multiple encrypted networks. Learn how to use environment variables for dynamic configuration and manage services efficiently using Docker-Compose commands. Dive into practical examples for both basic and advanced setups.

Computer: Docker Container Introduction Up to date introduction to Containers and cloud deployment on the example of docker. Explains registries, images, containers, networks, volumes, Dockerfile, Docker Compose, Docker Swarm, all with a little introduction and some samples.

Computer: Ubuntu: Get Rid of Snap Views: 69Since a few releases, Ubuntu has introduces snap as package manager for some software, instead of using apt repositories. Snap has many disadvantages. Instead of referncing dependencies from other packages, everything is packed into one package and then run in a sandbox. Not only that this results in larger and redundant deployments, due to [read ...]

Computer: Secure Passwords and Numerical PINs How to choose highly secure psswords and numeric PINs with examples using the Linux tool pwgen.

Computer: NestJS + MikroORM A comparision between MikroORM and TypeORM in NestJS based on a simple sample project including one to many, many to one and many to many relations.

Computer: Access Encrypted ZFS from Rescue Boot How to decrypt an Ubuntu 22.04 file system on an encrypted ZFS installation to fix problems, namely if you lost your sudo rights.

Computer: Successful Software Projects Rules and hints for successful software development projects based on my >30 years of experience in software development.

Computer: Synchronize Data between two Servers behind Firewalls How to synchronize files between two servers behind different firewalls that don't see each other using rsync and and ssh with root access on both servers and through a user's laptop as man in the middle.

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.

Computer: Extract Mac-OSX dmg and pkg Installer How to extract a Mac-OSX installation package on Ubuntu Linux to analyze the contents.

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.

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.

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.

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.

Computer: Setup OpenLDAP Server in Docker Setup an OpenLDAP server in a docker container, including a LDAP Administration Manager web interface, requires just four commands in a Linux bash. Three more to enable TLS.

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.

Computer: Stream Editor sed Overview and Reference Views: 1941I was missing a one-page overwiew of sed commands, so here they are: Command Line Options option description –version show version –help show short usage -n –quiet –silent only produces output when explicitly told to via the p command -e SCRIPT –expression=SCRIPT explicitly add script expression -f SCRIPT-FILE –file=SCRIPT-FILE read script from file -i[SUFFIX] [read ...]

Computer: Docker Overview Short summary on Containers, Images and how to use Docker. Introduction for beginners, containerization.

Computer: Cross Compile OpenSSL for Windows on Linux Views: 21636This article explains how to configure and build the OpenSSL library on a Ubuntu Linux to run on 32bit or 64bit Windows.

Computer: Cross Compile on Ubuntu Linux for Windows Using MinGW Views: 20725Cross Compiling on a Linux (Ubuntu) for Windows targets has become really simple in the last years.

Computer: Remove All Old Kernel Images in Ubuntu If you have a separate /boot partition, it may be that it gets full after some updates. Then these instructions show you, how to cleanup old kernel images.

Computer: Combine PKCS11 (SuisseID) and SSH How to use a PKCS#11 hardware token, such as SuisseID for SSH login.

Computer: Install SwissSign SSL Server Certificate in Apache How to install SwissSign SSL certificates on an Apache webserver.