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feat(blog): add post about managing multiple vterm instances in Emacs

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- Add post-7.md covering buffer renaming technique for multiple vterm sessions
- Include practical use cases and step-by-step guide
- Target Emacs users who want to improve terminal workflow efficiency
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Daisuke Nakahara 2026-01-18 20:13:20 +09:00
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---
title: 'How to Open Multiple vterm Instances in Emacs Using Buffer Renaming'
pubDate: 2026-01-18
author: 'Nakahara Daisuke'
tags: ["Emacs", "vterm"]
---
## Introduction
If you're using [vterm](https://github.com/akermu/emacs-libvterm) in Emacs, you've probably encountered situations where you need multiple terminal instances running simultaneously.
This article shows you how to leverage buffer renaming to open multiple vterm instances in Emacs.
## The Problem: Can You Only Open One vterm?
By default, when you run `M-x vterm` to start a vterm session and then execute `M-x vterm` again, it simply switches to the existing vterm buffer instead of opening a new terminal.
This behavior leads many users to believe that "you can only run one vterm instance at a time."
## The Solution: Rename Your Buffers
The trick is simple: **by renaming the existing vterm buffer, you can create additional vterm instances**.
### Step-by-Step Guide
1. Launch your first vterm with `M-x vterm`
2. Execute `C-x x r` or `M-x rename-buffer`
3. Enter a new buffer name (e.g., `*vterm-dev*`, `*vterm-git*`, etc.)
4. Run `M-x vterm` again to open a new vterm instance
Repeat these steps as many times as needed to create multiple vterm buffers.
## Real-World Use Cases
Here's how I use this workflow in my daily development:
- **vterm-copilot**: Interactive development with GitHub Copilot CLI
- **vterm-main**: General command execution and file operations
By managing multiple vterm instances, you can complete all your work without ever leaving Emacs.
## Conclusion
With the rise of AI-powered CLI tools, terminal-based workflows are becoming increasingly important. For Emacs users, mastering vterm is more valuable than ever.
I hope this article helps you boost your development productivity in Emacs!
---
> **Note**: The review and translation were assisted by an AI generative model. The author is responsible for the final content.