From 451d02148a85262c939a7ea920a04db7efba5d33 Mon Sep 17 00:00:00 2001
From: chicrobot <chicrobot@yeah.net>
Date: Mon, 1 Jun 2026 21:00:23 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=20b3=5Fubuntu=E5=88=9B?=
 =?UTF-8?q?=E5=BB=BA=E4=BA=A4=E6=8D=A2=E5=86=85=E5=AD=98.md?=
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---
 b3_ubuntu创建交换内存.md | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/b3_ubuntu创建交换内存.md b/b3_ubuntu创建交换内存.md
index 171e779..94c15ca 100644
--- a/b3_ubuntu创建交换内存.md
+++ b/b3_ubuntu创建交换内存.md
@@ -72,3 +72,29 @@ vfs_cache_pressure 控制内核回收用于缓存目录和 inode 对象的内存
 vm.vfs_cache_pressure=50
 ```
 保存后，同样运行`sudo sysctl -p`来应用。
+
+
+# 修改交换内存
+查看原本的交换空间
+```
+sudo swapon --show
+```
+停止并删除原本的交换内存
+```
+sudo swapoff /swapfile
+sudo rm /swapfile
+```
+创建新的文件
+```
+sudo fallocate -l 6G /swapfile
+```
+设置权限并格式化
+```
+sudo chmod 600 /swapfile
+sudo mkswap /swapfile
+```
+启用并确认
+```
+sudo swapon /swapfile
+free -h
+```