diff --git a/SUMMARY.md b/SUMMARY.md
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--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -27,6 +27,12 @@
 
 - [[20210602] Flink背压机制](高频数据/Flink背压机制.pdf)
 
+## linux
+
+* [如何重置 root 密码](linux/reset_passwd.pdf)
+* [如何设置静态 IP](linux/static_ip.pdf)
+* [vim 快捷操作](linux/vim_command.pdf)
+
 
 ## devops
 
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