J

John hens

Linux systems engineer with 8+ years running production web infrastructure. John writes hands-on tutorials about server administration, Nginx, Docker and everything that keeps a VPS healthy — every guide is tested on a live server before it's published.

183 posts

How to setup ssh on ubuntu 25.10

How to setup ssh on ubuntu 25.10

Setting up SSH on Ubuntu 25.10 allows you to connect remotely to your system securely. 

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how to setup ssh on cisco switch

how to setup ssh on cisco switch

Setting up SSH on a Cisco switch allows secure remote management, replacing insecure methods like Telnet. 

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How to install anyconnect on Centos 8

How to install anyconnect on Centos 8

Cisco AnyConnect is a reliable and secure VPN client that allows users to connect safely to remote networks. In this guide, you’ll learn how to install Cisco AnyConnect on CentOS 8 step by step using simple terminal commands.

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How to install anyconnect on Debian 13

How to install anyconnect on Debian 13

Cisco AnyConnect is one of the most popular VPN clients that provides a secure connection between your system and remote networks. In this guide, you’ll learn how to install Cisco AnyConnect on Debian 13 easily using the terminal.

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How to install anyconnect on ubuntu 25.04

How to install anyconnect on ubuntu 25.04

Installing Cisco AnyConnect VPN on Ubuntu 25.04 allows you to securely connect to corporate or remote networks. 

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How to setup smtp server in ubuntu 25.10

How to setup smtp server in ubuntu 25.10

Setting up an SMTP server on Ubuntu 25.10 allows you to send emails directly from your server for applications, notifications, or personal use. 

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how to setup smtp server in Debian 13

how to setup smtp server in Debian 13

Setting up an SMTP server on Debian 13 allows you to send emails directly from your server for applications, notifications, or personal use. Using Postfix, a reliable and widely used mail transfer agent, you can quickly create a secure and functional SMTP server. 

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how to install realvnc server Debian 13

how to install realvnc server Debian 13

Installing RealVNC Server on Debian 13 allows you to control your system remotely with a fast, secure, and user-friendly VNC connection. 

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how to install realvnc server ubuntu 25.10

how to install realvnc server ubuntu 25.10

Installing RealVNC Server on Ubuntu 25.10 allows you to access your desktop remotely with a secure and user-friendly interface.

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