IP address classes

Today article is very theoretical, dedicated to those who have not yet had contact with configuring your network, or those who have forgotten theoretical details....

Box with jokes – the strangest network failures

Who has never faced with the network failure is lucky guy. These failures happen quite often and in mysterious circumstances. In my server center I...

Backups in Azure

I am a big fan of Linux, however today I want to describe very good solution from Microsoft. I will show you how to...

Why my upload is so slow? Symmetric vs asymmetric Internet connection

You can read a lot about broadband Internet connections with very high throughput. You can hear about 50 Mbps, 250 Mbps and even 500...

The most popular mistakes in LAN configurations

Today I want to discuss about the most common mistakes made during LAN configuration. These mistakes usually occur in company, academic and campus networks. It...

Cloud from Microsoft – backup tool

Clouds are everywhere and I do not think about the weather. I mean a cloud technology, which for good root in the IT world. Opinions about using...

How to analyze logs?

Every administrator knows problem of the full mailbox. However, these thousands of mails are not from dissatisfied clients. Sometimes (or maybe always) after returning from leave it...

Problems with Linux – rarity, so how to deal with them?

Why people do not like Linux? I ask myself about it since I have installed Linux first time on my computer. Te truth is...

Fish Shell – basic and advanced functions

We have fans of Bash, Sh, Tsh and others strange consoles, which according to their fans make our lives easier and our screens more...

Basics of the network benchmarking – iperf tool

In order to verity the performance of network (the link connection, to be precise), most people check throughput by transferring a file. However, this...