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Articles

HTTP dataflow

Articles

Maximum HTTP request header size limits compared across web servers

When a browser sends too much data in the HTTP header, a web server will ...

By Claudio Kuenzler

February 23, 2021

Znuny OTRS fork

Articles

The end of OTRS Community Edition – but here comes Znuny (and other forks)!

OTRS AG, the company behind OTRS, announced the end of OTRS Community Edition in a ...

By Claudio Kuenzler

February 7, 2021

How DNSBL works

Articles

What is a DNSBL (DNS Black List) and how do they work against spams?

A DNSBL, also known as DNS Black Lists or DNS Block Lists or RBL (Real-time ...

By Claudio Kuenzler

February 4, 2021

Introduction and how to install Varnish Cache

Articles

How to install Varnish Cache on Linux (and introduction)

Varnish Cache is a, as the name says, a (open source) software which caches content. ...

By Claudio Kuenzler

February 3, 2021

Wordpress stats

Articles

How to protect your WordPress site from brute force login attacks

Every WordPress administrator looking at site statistics becomes quickly aware that one of the most ...

By Claudio Kuenzler

February 2, 2021

Dead End

Articles

When you hit the end of the kill road: The uninterruptable sleep state

We all know this from Windows: A process is using all resources and is freezing ...

By Claudio Kuenzler

January 26, 2021

CentOS

Articles

The end of CentOS stable: Where do CentOS LTS users migrate to?

The year 2020 ended with some shocking news concerning the CentOS project: CentOS will no ...

By Claudio Kuenzler

January 22, 2021

Articles

Radeon RX580 with DisplayPort Dual Screen on Linux Mint

For the last couple of years I've been using a Linux Mint dual screen setup ...

By Claudio Kuenzler

January 20, 2021

fish shell

Articles

Introduction to Friendly Interactive Shell (FISH)

Technology orientated readers will likely be familiar with the Terminal command line, and may use ...

By Grant Davies

January 16, 2021

imapsync

Articles

How to sync or migrate mails from an IMAP account

Switching a mail provider is often combined with one major thought holding one back: What ...

By Claudio Kuenzler

January 14, 2021

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