Tagged “ssh”

What Is tmux? A Beginner's Guide to Keeping SSH Sessions AliveWhat is tmux and how does it work? A tmux guide from scratch: sessions, windows and panes, the prefix key, detach and attach, tmux.conf and a cheat sheet. Infrastructure 2026-10-09 8 min How to Create SSH Keys and Connect to a Server (Windows & Linux)Generate SSH keys (ed25519) on Windows, Linux and macOS, copy them to a server, use ~/.ssh/config, add a key to GitHub and fix common SSH errors. Infrastructure 2026-10-09 8 min rsync Command in Linux: Copy and Sync Files Between ServersThe rsync command in Linux with examples: -avzh, the trailing slash rule, dry-run, the risks of --delete, exclude, custom SSH ports and resuming transfers. Infrastructure 2026-10-09 8 min Ubuntu 24.04 Server Hardening: The First Hour, Step by StepUbuntu 24.04 server hardening in the first hour: a non-root user, SSH key-only login, ufw, automatic security updates, fail2ban and time sync. Infrastructure 2026-10-04 9 min