PocketShell blog https://pocketshell.io/blog Practical notes on SSH, terminals, and running things on remote machines. en Stop losing work when SSH drops: tmux sessions that survive anything https://pocketshell.io/blog/tmux-persistent-ssh-sessions https://pocketshell.io/blog/tmux-persistent-ssh-sessions Fri, 11 Sep 2026 00:00:00 GMT Why SSH sessions die with the connection, how tmux keeps your work running on the server, and the commands that let builds and AI agents survive disconnects. Configuring a remote machine over SSH with AI agents https://pocketshell.io/blog/ssh-ai-agents-remote-machines https://pocketshell.io/blog/ssh-ai-agents-remote-machines Fri, 11 Sep 2026 00:00:00 GMT How to run Claude Code or Codex CLI on a remote server over SSH: key-based access, a sandboxed user, headless authentication, and aplexer sessions for long-running jobs. SSH from an iPad or iPhone: what actually works https://pocketshell.io/blog/ssh-from-ipad-iphone https://pocketshell.io/blog/ssh-from-ipad-iphone Sat, 12 Sep 2026 00:00:00 GMT How to SSH from an iPad or iPhone in 2026: native clients, key setup, mosh for flaky mobile networks, the keyboard problem, and the browser option when you can't install apps. The SSH config file: ~/.ssh/config with examples https://pocketshell.io/blog/ssh-config-file https://pocketshell.io/blog/ssh-config-file Fri, 11 Sep 2026 00:00:00 GMT How to use the ~/.ssh/config file: host aliases, per-host keys, wildcards, ProxyJump, connection reuse and includes, with examples and debugging tips. SSH Keys and authorized_keys: Setup and Hardening https://pocketshell.io/blog/ssh-authorized-keys-hardening https://pocketshell.io/blog/ssh-authorized-keys-hardening Fri, 11 Sep 2026 00:00:00 GMT Generate ed25519 keys with ssh-keygen, install them with ssh-copy-id, then harden the server: disable passwords and restrict each key's scope. SSH Agent Forwarding: Setup, Risks, and Safer Paths https://pocketshell.io/blog/ssh-agent-forwarding https://pocketshell.io/blog/ssh-agent-forwarding Fri, 11 Sep 2026 00:00:00 GMT How SSH agent forwarding works, how to enable it with ForwardAgent and ssh-add -h, the real security risks, and when ProxyJump is the better choice. How to Keep SSH Sessions Alive: Keepalives, tmux, Mosh https://pocketshell.io/blog/keep-ssh-session-alive https://pocketshell.io/blog/keep-ssh-session-alive Fri, 11 Sep 2026 00:00:00 GMT Stop SSH freezing on idle: ServerAliveInterval keepalives, server-side timeouts, tmux for detachable sessions, and when mosh is worth installing.