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Security

Managing Server Files via SSH without Terminal: Utilizing SFTP and GUI File Explorers!


Is the terminal cumbersome? By utilizing SFTP and GUI file explorers, managing server files can be as easy as a mouse click! Find practical examples and setup instructions using Ubuntu Nautilus.

First Steps in Automating SSH Connections: Mastering the Config File


Manage your frequently used SSH connection information like bookmarks with the .ssh/config file! This practical guide is perfectly organized with configuration examples and option descriptions.

SSH Reverse Port Forwarding: The Magic of Connecting from External to Internal (feat. -R option)


Learn how to expose your local development server using reverse port forwarding! This practical guide covers everything from the principle of the SSH -R option to useful examples for developers.

How to Use SSH: Mastering Commands and Useful Options!


Are you still copying and pasting for SSH access? From command format to practical options you can use right away, here’s a complete guide to using SSH effectively!

SSH Keygen: The Perfect Guide for Beginners


Don't know what SSH keys are or how to use them? This guide kindly explains how to use ssh-keygen and how to choose between Ed25519 and RSA keys for beginners.

Effective Operation of Fail2Ban: Practical Security Strategies to Avoid Excessive IP Banning


Banning 1,100 IPs in 3 weeks? Fail2Ban's effectiveness is strong, but excessive settings can slow down the server. Discover efficient operation know-how through real-world cases.

The Guardian of Your Linux Server: Fail2Ban


How to enhance your Linux server security using Fail2Ban. Detailed guidance on installation, configuration examples, monitoring, and permanent blocking.