Themes

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Rename network interface

The best way to rename a network interface is through udev. Edit the file: /etc/udev/rules.d/70-persistent-net.rules to change the interface name…

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Testing connectivity speed using GRML

In this tutorial we're going to show you how to check your connection speed for your VPS. Turn off the VPS through admin.hukot.net. Next step, mount…

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SPF - Sender Policy Framework

SPF (Sender Policy Framework) is an email validation system used as a defense against spam. Its principle lies in verifying the IP address of the…

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How to check connectivity speed in Linux from shell

Just as there are possibilities to test the speed of Internet connection via www services, it is possible to test the connection speed directly from…

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How to protect VPS from DDoS attacks - Linux

Distribued denial of service (DDoS) is unfortunately still becoming more and more common way to attack an organization's infrastructure. This…

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How to configure IPv6 on your VPS

All these examples assume an IPv6 subnet of 2001:DB8:1000::/64. You'll need to update them with the subnet that you have been assigned.We'll befrfff…