Linux commands: An overview of terminal commands

An overview of the most important Linux commands

Under Linux, all actions that you can carry out with the mouse and window system via the graphical user interface can also be performed using programme calls in the terminal – provided you know the appropriate command and how to use it according to the correct syntax. To make working in the terminal easier, we provide you with an overview of basic Linux commands with detailed descriptions and...

Ubuntu FTP server: Installation and configuration

Ubuntu FTP server: How the setup functions

For the past 30 years, the file transfer protocol (FTP) has supported computer users with the transfer of data in TCP/IP networks. FTP servers enabled not only the upload but also the download of files, in which each access is controlled via a separate connection. In this Ubuntu FTP server tutorial, you’ll learn how to install, configure, and run your own server under the Linux distribution.

DHCP: An overview of the Client/Server protocol

DHCP: What’s behind the Dynamic Host Configuration Protocol

If you’re connected to an internet router and power on your computer, it automatically obtains the necessary network parameters, such as the IP address, subnet mask, or DNS server. This is made possible by the Dynamic Host Configuration Protocol (DHCP), which simplifies address assignment when connecting to the internet and makes setting up local networks easy as pie.

Securing a server: correctly configuring Linux, etc.

The right configuration to secure your server

If you operate or rent your own server, it is your responsibility to protect it against failures and external access. You can immediately begin to set the foundation for this when configuring the server, if you have the necessary administrative rights. The correct settings can work wonders, especially with encrypted remote connections via SSH protocol, and greatly increase security.

HTTPoxy: Behind the CGI vulnerability

HTTPoxy: Threatening the security of CGI applications

Fifteen years after the discovery of the security flaw HTTPoxy, it’s still an issue with CGI applications. The reason for this is the fact that the Common Gateway Interface standard provides the use of environment variables to process HTTP requests. These can include header contents that modify the original proxy configuration, allowing hackers to redirect data packets to a completely foreign...

VPN server set-up via Raspberry Pi and OpenVPN

Set up Raspberry Pi as a VPN server: OpenVPN tutorial

If you set up your own VPN server, then you can access your local network from any internet connection, not to mention allowing you to move around the internet more securely, while also being encrypted, from public WLAN networks. This tutorial shows that the Raspberry Pi mini-computer and the already established OpenVPN programme are perfectly sufficient for the creation and operation of a VPN...

Remote access for network storage

Remote access to the network storage

Are you using a NAS system as a home server and want to connect it to the internet? It’s simple to do. We explain how to assign a fixed LAN IP address to your network storage and open the corresponding ports for the desired service in the router firewall. You will also learn how to make your NAS system permanently available under a consistent address despite daily disconnections carried out by the...

How to install an Apache web server

Installing and configuring an Apache web server

The Apache http server is the standard web server for providing HTTP documents on the internet. But did you know it’s also possible to install an apache web server locally on your Windows PC? This is a great method of testing out web pages and checking scripts. To get started, all you need is the free software package and a few minutes.

Server migration - transfer without data loss

Server migration: how to transfer your data to a new server

Moving to a new server can become a real challenge even when you’re not changing provider. You need to take care and plan your strategy well. This is the only way to ensure the integrity of the data transferred to a new server and to keep downtime to a minimum. But what exactly is server data migration? And what problems can be expected during implementation?

Set up a Raspberry Pi web server with LAMP

Using Raspberry Pi as a web server

Have you always wanted to operate your own web server? Raspberry Pi makes this goal more realistic, without commanding a high price and expert-level knowledge for set-up: hosting a website’s test environment or a private cloud is just as manageable for the small computer as controlling light sources, heaters, or other home devices (home automation). In our tutorial, you’ll find out all you need to...


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