How to Use Netcat (nc) Command with Examples?

Netcat (or nc) is a classic Unix networking tool that allows you to make TCP and UDP connections, receive and send data, check open ports on a remote computer, test firewall rules, etc. In this article, we will look at some typical examples of using the netcat CLI tool.

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hMailServer: Installing a Free Email Server on Windows

hMailServer is a free open-source email server for Windows environments. hMailServer – can be installed on any edition of Windows (on desktop versions from Windows XP to Windows 11 or on Windows Server 2003-2022). hMailServer is a compact and powerful server, the distribution of hMailServer is only about 5 MB (!!!). E-mail messages are stored on the local hard drive in the MIME file format.

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Manage OpenVPN Server with Web GUI

By default, the command line console is used to configure and manage the OpenVPN server. For OpenVPN, there are several web interface administration panels (frontends) that allow you to perform routine operations (create users, create/revoke certificates, manage configuration files, etc.).

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Make Command Not Found on Linux

The make tool in Linux is used to build and compile programs from source files. The utility takes instructions for compilation from the makefile. In some Linux distributions, the make command is not installed by default (for example, in Linux CentOS 8), so when you run the build command, you will see an error:

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Install and Configure NFS Client on Windows

The Network File System (NFS) client is not installed by default on Windows Server 2022/2019/2016/2012R2 and Windows 11/10 desktop versions. To install it, open the Server Manager and select Add Roles and Features -> Client for NFS.

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