![]() ![]() I'll begin with what might be considered a standard SSH connection. Read Passwordless SSH using public-private key pairs for guidance on this critical configuration or Eight ways to protect SSH access on your system for general suggestions. Key-based authentication connection attempts are quicker, easier to automate, and considered to be more secure. In these exercises, key-based authentication is NOT configured, so SSH prompts you for a password.įor the record, key-based authentication is highly recommended (indeed, almost assumed at this point).You're using the standard 22/tcp SSH port.The firewall configuration permits SSH.An SSH client is installed on the local computer.The SSH service is installed and running on the destination server.I've made a few assumptions about your setup: There are plenty of SSH configuration articles, so this article is about using SSH rather than configuring it. The main focus is to provide guidance for running one-off commands over an SSH connection and how to tunnel other applications, and I've added a bonus section on using scp to securely copy files. ![]() This article provides a quick review of standard SSH use. Cheat sheet: Old Linux commands and their modern replacements.Linux system administration skills assessment.A guide to installing applications on Linux.Download RHEL 9 at no charge through the Red Hat Developer program. ![]()
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