Various computer networks are connected with one another via the Internet. In order to build up such connections, both the sending as well as the receiving systems have to provide transfer interfaces, or ports. The command line program netstat allows you to find out which ports are opened by your own system and which active connections exist — all of this helps reduce the risk of undesired access...Introduction to netstat: what is netstat and how does it work?
Digital photography and image editing software allow both amateurs and professionals to create, edit, and archive stunning images with little effort. But you don’t always have to shell out for expensive packages in order to curate professional albums and optimize images. In this article, you’ll find a list of some of the best free alternatives to Adobe Lightroom that allow users to manage and...Free alternatives to Adobe Lightroom
Ever since Google discontinued the popular photo editing and management software, Picasa, many former users have been looking for good Picasa alternatives. There are numerous programs to choose from that often offer the same, or at least similar, features as the trusted Google tool. Our guide offers a practical overview of the best alternatives to Picasa.The most popular Picasa alternatives at a glance
Evernote is one of the most popular digital notebooks worldwide. It is characterized by its structured, multifunctional presentation. However, many useful features are included only in the paid premium version. We will show you which comparable programs are available and give you the best alternatives to Evernote.Alternatives to Evernote: A comparison of digital notebooks
A good encryption software keeps your data secure. It enables you to easily protect a folder, hide hard drives, or sync encrypted data to a cloud, for example. Find out more information about recommended encryption tools and what they do, and get an overview of their advantages and disadvantages in our dedicated article.Encryption software: A comparison of encryption tools
You can use the netstat network tool in Windows as well as in macOS and Linux via the respective command line program. Depending on the system you are working with, you only need the appropriate netstat commands to check the status of active and inactive connections. We have summarized all important netstat commands for common operating systems.netstat commands for Windows, Linux, and Mac at a glance
You would like to access your home computer, but you don’t know how? Is your home network, for example, throwing a spanner in the works with constantly changing IP addresses? Dynamic DNS services (DynDNS) can help you here. Find out which DynDNS providers are among the best and what advantages and disadvantages you have with each of them in this overview.The best free Dynamic DNS service providers
Remote access to remote computer systems has always been a part of well-organized networks. Administrators can manage individual users as well as work on the move since it’s possible to access company data with a remote connection. One of the first protocols developed specifically for this purpose was Telnet. Read more here.What Telnet is and how do you enable it?
You use Telnet commands to control the connection between your PC or laptop and an external system, such as a web server. It is not only important to know the corresponding commands, but also which are appropriate. This is because Telnet commands are only effective when parameters are specified. Read on to find out more.Telnet commands: An overview