add new md

LYDongD · Aug 24, 2019 · 36a1566 · 36a1566
1 parent 798090d
commit 36a1566
Show file tree

Hide file tree

Showing 2 changed files with 18 additions and 3 deletions.
diff --git a/SUMMARY.md b/SUMMARY.md
@@ -230,7 +230,7 @@
           * [文件传输](dev-ops/shell/net/ftp.md)
           * [ifconfig](dev-ops/shell/net/ifconfig.md)
           * [ssh](dev-ops/shell/net/ssh.md)
-          * [端口分析](dev-ops/shell/net/port.md)
+          * [端口分析](dev-ops/shell/net/socket.md)
       * [归档与压缩](dev-ops/shell/compress/README.md)
           * [tar](dev-ops/shell/compress/tar.md)
           * [cpio](dev-ops/shell/compress/cpio.md)

diff --git a/dev-ops/shell/net/port.md → dev-ops/shell/net/socket.md b/dev-ops/shell/net/port.md → dev-ops/shell/net/socket.md
@@ -1,8 +1,8 @@
-## 端口检测
+## socket查询
 
 #### lsof
 
-list open file
+list open file， socket本质上是一个fd
 
 ```
 lsof -i 列出所有端口，配合grep查看
@@ -21,4 +21,19 @@ netstat -ntp
 #查看进程占用的端口号
 netstat -ltnp | grep 119809
 
+—a/-t/-u/-x 分别对应所有/tcp/udp/unix连接类型
+
+```
+
+#### ss
+
+```
+#查看socket摘要
+ss -s
+
+##查看监听的tcp端口及其对应的进程
+ss -tlp
+
+-t/-u/-x 对应tcp/udp/unix 连接类型
+
 ```