OpenSSH is a popular connectivity protocol that encrypts traffic. Learn to use OpenSSH with a quick seven-step tutorial from Global Knowledge and check out more specific tips from TechRepublic contributors.
Global Knowledge's Red Hat instructor Brad Smith offers some basic training in the white paper, "7 Things Every System Administrator Should Know About OpenSSH." This introduction to OpenSSH covers:
- The Basics
- Key-based authentication
- Remote execution
- Piping over SSH
- File transfer over SSH
- Tunneling other protocols over SSH
- Server configuration options
Open SSH was developed as part of the OpenBSD project and is installed by default on most modern BSD and Linux-based operating systems, including Red Hat Enterprise Linux and Fedora.
TechRepublic writers have also written some informative tips on OpenSSH if you want to continue learning about this popular protocol:
- Realize the flexibility of OpenSSH
- Specify who can log in via OpenSSH
- Find and fix weak OpenSSL/OpenSSH keys: Debian-based Linux vulnerability
- Protect SSH from brute force password-cracking attacks
- How do I... Create secure tunnels for client-server communication with OpenSSH?
- Save time managing multiple systems with Parallel SSH
- Chroot users with OpenSSH: An easier way to confine users to their home directories