ssh Archives - ITNotes

Stop the Lag: High-Performance Remote Dev with Mutagen and Linux via SSH

May 27, 2026

Eliminate remote development lag. This guide shows you how to use Mutagen to achieve sub-100ms code synchronization between your local IDE and Linux servers over SSH.

Linux

Locking Down SFTP: A Field Guide to Chroot Jails on Linux

May 24, 2026

Isolate SFTP users and prevent lateral movement. This production-ready guide walks you through OpenSSH Chroot Jails, strict permission mapping, and monitoring strategies.

Security

Ditch the SSH Key Mess: Centralized Access with Smallstep Certificates

May 17, 2026

Say goodbye to the 'authorized_keys' mess. This guide shows you how to implement SSH Certificates with Smallstep for a centralized, SSO-integrated, and highly secure infrastructure.

Linux

SSH ProxyJump and Bastion Hosts: A Practical Guide to Secure Linux Access

May 15, 2026

Master SSH ProxyJump to securely manage private Linux servers. This guide provides a setup walkthrough, configuration tips, and security best practices for Bastion Hosts.

Security

Identity-Based SSH: Why I Finally Closed Port 22 and Ditched Key Management

May 12, 2026

Is SSH key management slowing you down? Switch to identity-based authentication with Tailscale. Close Port 22, use your SSO for access, and simplify your server security in under 20 minutes.

Networking

Bypass CGNAT: Use Reverse SSH Tunneling to Expose Local Services

May 10, 2026

Tired of CGNAT blocking your home server? Learn how to use a cheap VPS and Reverse SSH Tunneling to bypass ISP restrictions and access your local services from anywhere.

Security

Making SSH Invisible: Securing Servers with Single Packet Authorization (SPA) and fwknop

May 7, 2026

Secure your Linux servers by making SSH ports invisible to scanners. This guide explains how to implement Single Packet Authorization (SPA) with fwknop to stop brute force attacks at the firewall level.

Security

Lock Down Your Linux Box: A YubiKey Guide for SSH and Sudo

May 4, 2026

Secure your Linux environment by moving beyond passwords. This guide covers FIDO2 SSH setup, sudo PAM integration, and best practices for managing physical security keys.

Networking

Stop Configuring Switches One by One: Master Network Automation with Python and Netmiko

April 10, 2026

Ditch manual SSH logins. Learn how to use Python and Netmiko to automate Cisco and Juniper batch configurations, error handling, and multi-vendor management.

Linux

Stop Losing SSH Progress: A Practical Guide to Tmux for Linux Admins

April 6, 2026

Stop losing work to SSH timeouts. Master Tmux to manage persistent terminal sessions, optimize your workflow with split panes, and build a professional Linux environment.