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38 pages under docs/, written against the source rather than the README: config keys and their clamps from core::config, default keybindings from ui::keymap, every CLI verb and flag from tty7-cli, agent aliases and hook/fork/resume support from core::cli_agent, and Settings paths taken from the actual en-US strings. docs/features.md and its zh-CN translation are retired — everything in them now lives in a page of its own, plus the two things they carried that nothing else did (IME input, the performance notes). README and README.zh-CN point at docs/ instead. Screenshots and videos are placeholders for now: docs/images/placeholder.svg with a caption naming what each shot should be.
116 lines
4.2 KiB
Plaintext
116 lines
4.2 KiB
Plaintext
---
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title: "SSH"
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description: "A native Rust SSH stack: quick connects, saved profiles, keychain credentials, jump hosts."
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---
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tty7 speaks SSH itself, over [russh](https://github.com/Eugeny/russh). It never
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shells out to the `ssh` binary, and there is no compatibility mode that does.
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That is what makes the rest possible: credentials in the OS keychain,
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[SFTP](/remote/sftp) in a side panel, [port forwards](/remote/port-forwarding)
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you can add mid-session, and authentication prompts drawn as sheets in the pane
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instead of a password echoing into your shell.
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<Frame caption="Placeholder — screenshot: an SSH connection sheet asking for a key passphrase inside a pane">
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<img src="/images/placeholder.svg" alt="Connecting over SSH in tty7" />
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</Frame>
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## Four ways to connect
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<AccordionGroup>
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<Accordion title="QuickConnect — type an address">
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Open the palette (<kbd>⌘ P</kbd>) and type an address. IPv6 works with
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brackets.
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```
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me@devbox
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me@devbox:2222
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me@[2001:db8::1]:22
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```
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</Accordion>
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<Accordion title="A saved profile">
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Profiles live in **Settings → SSH → Hosts**. Start typing the name in the
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palette, or open the *SSH: Manage Profiles…* command.
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</Accordion>
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<Accordion title="An alias from ~/.ssh/config">
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Type an alias you already have and tty7 resolves it natively — common fields,
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best effort — then connects over russh. **Settings → SSH → Import from
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~/.ssh/config** turns aliases into real profiles.
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<Note>
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`Match`, `canonicalize*`, and GSSAPI directives are not supported, and
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there is no fallback to the system `ssh` when one appears.
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</Note>
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</Accordion>
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<Accordion title="A remote workspace">
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The same connection can host whole workspaces on the far machine rather than
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a single shell. [Remote workspaces →](/remote/workspaces)
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</Accordion>
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</AccordionGroup>
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## Profiles
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**Settings → SSH → Hosts** holds the full connection config. The basics:
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| Field | |
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| **Name** | A label for this connection |
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| **Host** | Hostname or IP |
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| **User** | Login user — blank resolves at connect time |
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| **Auth** | *Auto* (tries every applicable method), *Password*, *Key*, *Agent*, or *2FA* |
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| **Jump host** | Another profile, or a `ProxyJump` chain |
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| **Port forwarding** | Rules opened with the connection |
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**Defaults** at the top of the list is inherited by every host, so a setting you
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want everywhere is set once.
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Passwords and key passphrases go in the **OS keychain**, never in
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`config.json` and never on disk in plain text. **Forget Password** in a
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profile's menu removes the stored one.
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### Advanced
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Behind **Advanced** on a profile, grouped:
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| Group | Fields |
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| **Authentication** | Identity files (one path per line, `%h`/`%r` expand), agent forwarding |
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| **Proxies** | ProxyCommand (`%h`/`%p`/`%r` substituted), SOCKS5 proxy, HTTP proxy |
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| **Algorithms** | KEX algorithms, ciphers, MACs, host-key algorithms, compression |
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| **Connection** | Keepalive interval and count, connect timeout, X11 forwarding |
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| **Session** | Shell integration, login scripts, skip banner |
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Everything blank means "the library default", so you only fill in what you
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actually need to override.
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## Authentication prompts
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Password, key passphrase, and 2FA prompts appear as sheets inside the pane, with
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a **Remember (keychain)** option where it makes sense.
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## Host keys
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Host keys are verified against `known_hosts` by default. A first connection asks
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you to confirm the fingerprint; a **changed** key is a much louder prompt that
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makes you type `yes` to override, because that is what a changed key deserves.
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**Settings → SSH → Security → Verify host keys** turns verification off
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entirely. It is on for a reason.
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Also under Security: **Warn before closing** a live connection, off by default.
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## Reconnecting
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<kbd>⌘ ⇧ R</kbd> — or *SSH: Reconnect* in the palette — restarts the session in
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the current pane. Useful after a laptop sleeps or a network changes.
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## What is not supported
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- No fallback to the system `ssh` binary
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- No `Match`, `canonicalize*`, or GSSAPI directives from `~/.ssh/config`
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- Kerberos `gssapi-with-mic` is offered by the desktop app for managed
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connections, but is not part of the `~/.ssh/config` resolution path
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