NGINX vs. Apache: A web server comparison

NGINX vs. Apache: A comparison of the most popular open source web servers

Apache vs. NGINX – while one is said to be bulky and unwieldy, the other is considered slim and high-performance. But can we be this general? In fact, both web servers are based on fundamentally different concepts when it comes to connection management, interpretation of client requests, or configuration options. The range of functions also display clear differences in software alignment. While...

What is ARP? – Address resolution in networks

What is ARP (Address Resolution Protocol)?

When computer information is sent in TCP/IP networks, it is first decompressed into individual data frames. In this way, you can transfer data of nearly unlimited size. The frames also contain the target system’s MAC address, without which a transmission would not be possible. If the physical address is not known, the sender must first be determined using the ARP Address Resolution Protocol. Here,...

The best Raspberry Pi operating systems: A brief portrait

Raspberry Pi: 10 operating systems for the minicomputer

The single-board computer Raspberry Pi has enjoyed high popularity since its release in 2012. With the increasing number of possible applications, the minicomputer has become an interesting and practical solution for various branches of industry. As a result, more and more operating systems for the British computer are being introduced to the market. Choosing the appropriate Raspberry Pi...

Bare metal servers | definition and structure

Bare metal server – dedicated hardware for high-level web projects

Bare metal – the latest product on the web hosting market evokes power from its name alone, and not for nothing: servers with this nickname focus on high-performance hardware. With a bare metal server, the user's access extends practically down to the bare metal. Software components based on this product are subject to user control and can be installed and configured according to individual...

MPLS:  What is Multiprotocol label switching?

MPLS: What’s behind the network technology

Speed and reliability play an important role for data transfer in networks. They reflect the quality of the connection, which is why providers do everything they can to guarantee the agreed services. A method primarily used in virtual private networks is the so-called multiprotocol label switching (MPLS).

What is Neighborhood Discovery Protocol(NDP)?

Neighbor Discovery Protocol (NDP) – what is it?

Network configurations today are done quickly. For those who do not rely on their own fixed settings for routers, computers, and more, the Internet Protocol family provides the appropriate set of automatic mechanisms to determine critical parameters, such as the default gateway, IP address, and MAC address.

Debian – the universal system software

Debian: what does this Linux kernel offer?

Anyone looking to learn about Linux operating systems will come across Debian soon enough. The GNU/Linux distribution was one of the first of its kind and is still one of the most widely used today. Over 1,000 community members work on the Debian project, furthering the development of the collection. But how did Debian become so successful? And what makes this system software so interesting to...

Network protocol: Standards for data exchange

Network protocol: The basis of electronic data exchange

For computer systems to be able to communicate with each other and exchange information, they need common ground, just like humans must share a common language. But computers don’t rely on foreign language lessons, and instead only need the appropriate network protocol to successfully communicate. This provides guidelines and structures for the data transfer, and so plays a decisive role in the...

Penetration testing – the complete network check

Penetration test: how to find weak points in your network

The more complex a network is, the more vulnerable it is to attacks. In times when customers and partners have access to internal network structures via the internet, and can control various applications via web interfaces, IT employees are encountering more and more problems. Large companies, in particular, prefer to use penetration testing to check how well their security concept works. This...

NAT: How Network Address Translation works

NAT: Network Address Translation in the router

NAT, the network address translation, is closely tied to the internet standard IPv4 and will disappear from the internet along with it. But the implementation of IPv6 is slow to take over, and many internet users worldwide still surf with the fourth version of the internet protocol. As a result, network address translation via NAT tables remains current. In our guide, we answer the questions: What...


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