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A Helping Hand

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OTOBO is a user-friendly and completely free ticket system designed to handle complex service requirements that offers an alternative, easy-to-use support tool with Active Directory integration and single sign-on. We show you how to set up and configure OTOBO and how to connect it to third-party systems such as Entra ID.

Ingress NGINX To Be Retired

Control Freak

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If you're looking for a way to make the most of available bandwidth, we'll show you how to throttle and shape traffic with tc.

Freeway

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NAS filers are typically closed systems that prevent users from installing anything – including a simple backup agent. But what happens if you need a backup?

Cloud Control

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The OpenNebula toolkit can provide powerful management and provisioning capabilities for virtualized data center operation.

Formula Storage

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Choosing the right filesystem for a particular job can be a difficult task. We tested seven candidates and found some interesting results to make an administrator's choice easier.

Fire Alarm

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The Prelude security information and event management system has risen from the ashes of bankruptcy. In this article, we introduce you to the concepts and architecture of Prelude.

Ban-Aid

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For its size, fail2ban, a utility that scans logfiles and bans suspicious IP addresses, punches well above its weight.

Trapped!

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A honeypot is a specialized security tool that pretends to be an ordinary system to attract and identify attackers. Experienced intruders, however, are not so easily fooled. An experimental new technology known as HoneypotMe moves honeypot functionality to real systems on the production network.

New Products

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