---
title: 利用私钥生成公钥
createTime: 2022/04/18
tags:
categories:
    - 随记
---

因为不小心把 id_rsa.pub 丢了，但是又不想改 id_rsa。。

```bash
ssh-keygen -y -f ~/.ssh/id_rsa > ~/id_rsa.pub
```