See all your tmux sessions. Type into them. Without leaving.

Built on lunemis/mux — original TUI, AI detection, popup system by @lunemis. This fork adds remote servers, input mode, and visual upgrades.

한국어 ·

Normal tmux workflow: Ctrl+b d → tmux ls → remember which session → tmux attach -t name → wrong one → repeat

With sesh: Open it. See all sessions live. Press i. Type. Done.

Watch a GPU job while working locally

2          → switch to gpu3 tab
↓          → select the training session
i          → enter input mode
nvidia-smi → type command
Enter      → send it, see output in preview
Esc        → back to navigating

Manage 4 Claude sessions without losing your mind

/claude    → filter to only claude sessions
j/k        → navigate between them
(preview updates live — see which one is waiting for you)
Enter      → attach to the right one instantly

Jump to any session in 2 keystrokes

1          → local sessions
2          → gpu3 sessions  
3          → gpu4 sessions

Create a session on a remote server without SSH-ing in

2          → switch to gpu3 tab
n          → new session
myexp      → name it
Enter      → created on gpu3, you never left your terminal

Kill a dead session on remote without attaching

navigate to it → x → y → gone

git clone https://github.com/santhoshkammari/sesh.git
cd sesh
make install

Needs Go. Install Go: sudo snap install go --classic

Add via s key in TUI, or edit directly:

~/.config/sesh/servers.json

[
  {"name": "gpu3", "host": "user@192.168.1.100"},
  {"name": "gpu4", "host": "user@192.168.1.101"}
]

Needs SSH key auth (no password prompts). Set up once:

ssh-copy-id user@your-server

Navigation

Session management

Server tabs

Input mode (i to enter, Esc to exit)

Other

 local   gpu3   gpu4   (3)
╭────────────────────╮╭──────────────────────────────────────────────────╮
│▶ ●  myproject  2m  ││[ myproject ]  ~/work/myproject              ⌥ main│
│▶ ◑  claude    15m ✦││──────────────────────────────────────────────────│
│▶ ○  logs       1h  ││> implement the auth system                        │
╰────────────────────╯│  Sure! I'll start with the JWT middleware...      │
                      ╰──────────────────────────────────────────────────╯

• ● green — you're attached here
• ◑ spinning — AI tool active (claude/aider/codex/gemini)
• ○ dim — idle
• Preview refreshes every 500ms — you see output as it happens
• Token usage + cost shown for Claude sessions

sesh setup-keybind        # adds prefix+m binding
tmux source ~/.tmux.conf

Press Ctrl+b then m anywhere — mux appears as overlay, pick session, it disappears.

# ~/.tmux.conf
set -g status-right '#(sesh status)'

Shows ✦ ◈ when AI sessions are active.

• tmux 3.2+
• Go 1.21+ (to build)
• SSH key auth for remote servers

MIT