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proxmox Serverhardening: Part 2 – fail2ban

Part 2 – fail2ban on a proxmox host Part 1 was about the insecure service (rpc) which is rolled out in the default proxmox installation. You can find the article here. In this article we want to further secure our… Continue Reading →

MATRIX Calls – Host your own collaborationplatform

MATRIX calls… …from behind the NAT. Can you hear it? What (are you smoking)? Haven’t you heard? In the ocean of FOSS tools and VoIP clients that is out there, fighting for dominance, especially in times of COVID, it can… Continue Reading →

iperf – a great bandwidth measure tool

Today i want to introduce a little bandwith measure tool to you. iperfis a tool to measure the bandwith between to systems. It is a client/server application, so you need to install it on both sides. To install this little… Continue Reading →

Perfomanceanalysing with SAR

Perfomanceanalysing with SAR Installation You need to install the package sysstat to use sar. You also need to configue a cronjob, so sar can collect all the great perfomance data. The package comes with the needed cron-configfiles for sar and… Continue Reading →

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