Tutorials

This article shows how SSH access is configured for public-key authentication . To do so, a key pair is created on the client, the public part of the keys are transferred to the server, and the server is set up for key Read more…

Note: This article applies to older SSH versions (SSH version 1). For the latest information on SSH key logins, see OpenSSH Public Key Authentication under Ubuntu . SSH Config for SSH Key customize On the remote server, the / Read more…

If you want to ban direct SSH root login on Debian, you need at least one additional user who can log on to the server, in addition to the root user. Use this user to change Read more…

ProFTPD is a widely-used, well-configurable FTP server for UNIX-based operating systems. This article shows the installation and configuration of ProFTPD in version 1.3.5b-4 on Debian Linux. In the example shown, a TLS encryption is configured on the FTP server to encrypt the Read more…

The tool fail2ban , written in Python, aims to secure server services against DoS attacks. It checks log files for predefined patterns and temporarily blocks the corresponding IP addresses if the failed access is repeated. This article shows you how to Read more…

With the “Wine” tool you can use Windows programs under Ubuntu. The freeware is free and is constantly developed further. Several million users already use the tool. We will show you how the program works. The change from Read more…

A few days ago I installed Zabbix 3.0 under Ubuntu 16.04. Since I would like to deal with PostgreSQL, I decided to use it as a database. installation The first release of Zabbix’s release package is Read more…