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: 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.
Computer: Evaluation of Distributed Filesystems for Docker Swarm Evaluation of a distributed filesystem to be used for docker swarm volumes.
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: 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.
Computer: Install SwissSign SSL Server Certificate in Apache How to install SwissSign SSL certificates on an Apache webserver.