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linux

A collection of 4 posts

Unifi Controller 8 - Synology NAS

Installing the Unifi Network Application via Docker is super easy and saves the purchase of a new cloud key or controller. Create a new docker network with the macvlan driver, in my case bond2 is the interface i want to link it to: sudo docker network create -d macvlan --subnet=

Network Monitoring – Traps vs. Polling

As a network administrator, I have been (partly) responsible for the monitoring of network infrastructures or even entire companies for many customers. For some companies I have even completely redesigned it. Many companies currently use tools such as Nagios, Solarwinds or a similar package. These tools are ( at least, in

Sign git commits with SSH keys

Sign git commits with SSH keys

OpenSSH 8.0 or newer is required and Git 2.34.0. If no key exists yet, it can be created; ssh-keygen -t ed25519 Today, the RSA is the most widely used public-key algorithm for SSH key. But compared to Ed25519, it's slower and even considered not safe if it's

tcpdump cheat sheet

tcpdump cheat sheet

tcpdump is a data-network packet analyzer computer program that runs under a command line interface. It allows the user to display TCP/IP and other packets being transmitted or received over a network to which the computer is attached. ##TCP FLAGS## Unskilled = URG = (Not Displayed in Flag Field, Displayed elsewhere)