From b88b56879d6941cea6322926de34da07ea2463e6 Mon Sep 17 00:00:00 2001
From: dichgrem <brcefy@gmail.com>
Date: Tue, 16 Sep 2025 20:21:11 +0800
Subject: [PATCH] update:virtual

---
 content/about-virtual.md | 44 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/content/about-virtual.md b/content/about-virtual.md
index 38944bb..e5e4d59 100644
--- a/content/about-virtual.md
+++ b/content/about-virtual.md
@@ -237,6 +237,50 @@ qemu-img convert -f raw -O vmdk disk.img disk.vmdk
 # raw → vhdx
 qemu-img convert -f raw -O vhdx disk.img disk.vhdx
 ```
+## 扩展
+
+1. 扩展大小
+```
+virsh domblklist <虚拟机名字>
+Target   Source
+vda      /var/lib/libvirt/images/ubuntu-24-04.qcow2
+
+qemu-img resize /var/lib/libvirt/images/ubuntu-24-04.qcow2 +20G
+```
+
+
+2. 查看磁盘情况：
+
+```bash
+lsblk
+```
+
+3. 如果是单分区系统（ext4）：
+
+* 安装工具：
+
+```bash
+sudo nix-env -iA nixos.cloud-utils # 提供 growpart
+```
+
+* 扩展分区：
+
+```bash
+sudo growpart /dev/vda 1
+```
+
+* 扩展文件系统：
+
+ext4：
+```bash
+sudo resize2fs /dev/vda1
+```
+
+xfs：
+```bash
+sudo xfs_growfs /
+```
+
 
 ## 压缩