Configure Fail2Ban for Zimbra Server with route instead of iptables to block IPs

Overview Install and configure Fail2Ban to block attacking hosts using a null route or blackhole routes. PRO: – Works on all kernel versions and as no compatibility problems (back to debian lenny and WAY further). – It’s FAST for very large numbers of blocked ips. – It’s FAST because it Blocks traffic before it enters […]

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Migration of servers to Proxmox VE

Introduction You can migrate existing servers to Proxmox VE. Moving Linux servers is always quite easy so you will not find much hints for troubleshooting here. Windows systems specific P2V issues inaccessible boot device Booting a virtual clone (IDE) of a physical Windows system partition may fail with a BSOD referring to the problem STOP:

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