TNT(1)                      User Commands                      TNT(1)

NAME
     tnt - terminal chat server with vim-style interface

SYNOPSIS
     tnt [-p port] [-h]

DESCRIPTION
     TNT (TNT's Not Tunnel) is a lightweight SSH chat server.
     Supports vim-style navigation and message history browsing.

INSTALLATION
     curl -sSL https://raw.githubusercontent.com/m1ngsama/TNT/main/install.sh | sh

     Or download binary from:
     https://github.com/m1ngsama/TNT/releases

USAGE
     Start server:
         tnt                    # Listen on port 2222
         tnt -p 3333           # Listen on port 3333
         PORT=3333 tnt         # Same as above

     Connect as client:
         ssh -p 2222 localhost

OPTIONS
     -p port    Listen on specified port (default: 2222)
     -h         Display help message

MODES
     INSERT     Type and send messages (default mode)
                ESC         Switch to NORMAL mode
                Enter       Send message
                Backspace   Delete character

     NORMAL     Browse message history
                i           Return to INSERT mode
                :           Enter COMMAND mode
                j/k         Scroll down/up
                g/G         Jump to top/bottom
                ?           Show help

     COMMAND    Execute commands
                :list       List online users
                :help       Show available commands
                ESC         Return to NORMAL mode

ENVIRONMENT
     PORT       Server port (default: 2222)

FILES
     messages.log    Message history (append-only)
     host_key        SSH host key (auto-generated)

EXAMPLES
     Start server on port 3000:
         PORT=3000 tnt

     Connect and set username:
         ssh -p 2222 localhost
         # Enter username when prompted

     Production deployment with systemd:
         sudo cp tnt.service /etc/systemd/system/
         sudo systemctl enable --now tnt

DIAGNOSTICS
     Build with debug symbols:
         make debug

     Check for memory leaks:
         make asan
         ASAN_OPTIONS=detect_leaks=1 ./tnt

     Run tests:
         ./test_basic.sh
         ./test_stress.sh 50 120

BUGS
     Report bugs at: https://github.com/m1ngsama/TNT/issues

SEE ALSO
     ssh(1), sshd(8)

     Project documentation:
         HACKING         Developer guide
         DEPLOYMENT.md   Production setup
         CICD.md         CI/CD workflow

AUTHOR
     Written by m1ng.

LICENSE
     MIT License. See LICENSE file for details.

TNT 1.0                       December 2025                      TNT(1)