Multi-Server Terminal: Tmux in Your Browser

Updated March 2026 · 4 min read

Managing a cluster? Running the same command on 4 servers? DevToolKit's Multi-Server Terminal lets you connect to up to 4 servers simultaneously with split-screen terminals — and a broadcast mode that sends your input to all servers at once.

Features

• Up to 4 terminals — side by side or 2x2 grid
• Broadcast mode — type once, execute everywhere
• Layout options — 1 column, 2 columns, 2x2 grid
• Individual control — maximize, close, reconnect each panel
• Full xterm.js — colors, vim, htop all work
• Visual indicators — green=connected, red border=broadcast active

Use Cases

• Cluster management — update all nodes: apt update && apt upgrade -y
• Log comparison — tail logs on multiple servers side by side
• Deployment — deploy to staging and production, compare output
• Debugging — check different services on different servers
• Database + App — monitor DB server and app server simultaneously

Broadcast Mode

Toggle broadcast and every keystroke goes to ALL connected terminals. Perfect for:

• Running the same update command on all servers
• Checking status across a cluster
• Restarting services everywhere at once

vs Alternatives

• vs tmux — no setup, works from any browser, visual layout
• vs cssh/mssh — web-based, no X11 needed
• vs Ansible — interactive, real-time feedback

Related Tools

• Single SSH Terminal — for single server access
• Server Dashboard — visual monitoring
• SFTP File Manager — file management
• Nginx Config Generator — configure web servers
• Docker Compose Generator — container orchestration

DevToolKit — 54 Free Online Developer & DevOps Tools