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weiliang-ms · Nov 22, 2023 · f1d1ed8 · f1d1ed8
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diff --git a/1.Linux基础/1.4软件更新/04升级openssh.md b/1.Linux基础/1.4软件更新/04升级openssh.md
@@ -78,9 +78,30 @@ sed -i "s;Type=notify;#Type=notify;g" /usr/lib/systemd/system/sshd.service
 systemctl daemon-reload && systemctl restart sshd
 ```
 
+查看ssh服务是否健康
+
+```shell
+journalctl -xef -u sshd
+```
+
+启动时，如果报`sshd: no hostkeys available — exiting`错误，执行以下步骤修复
+
+```shell
+ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key
+ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key
+chmod 600 /etc/ssh/*
+```
+
+重启ssh
+
+```shell
+systemctl restart sshd
+```
+
 成功后关闭`telnet`
 
 ```bash
 systemctl disable telnet.socket --now
 systemctl disable xinetd --now
-```
+```
+
diff --git a/1.Linux基础/111.trouble shooting/java_fullgc.md b/1.Linux基础/111.trouble shooting/java_fullgc.md
diff --git a/1.Linux基础/ssl/ssl.md b/1.Linux基础/ssl/ssl.md
@@ -0,0 +1,7 @@
+## 查看目标地址套件列表
+
+```shell
+ openssl s_client -connect <IP:PORT> -tls1_2
+```
+
+https://blog.csdn.net/zclmoon/article/details/132219226
diff --git a/3.集成部署/es/es.md b/3.集成部署/es/es.md
@@ -0,0 +1,2 @@
+
+
diff --git a/3.集成部署/nginx/README.md b/3.集成部署/nginx/README.md
@@ -483,4 +483,10 @@ keepalive与断开连接
 
 > 示例图
 
-![request-flow.png](https://upload-images.jianshu.io/upload_images/1967881-0f25f669eea357c2.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
+![request-flow.png](https://upload-images.jianshu.io/upload_images/1967881-0f25f669eea357c2.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
+
+### 安全配置
+
+```shell
+more_set_headers "X-Content-Type-Options nosniff";more_set_headers "Content-Security-Policy frame-ancestors http://hs.192.168.174.71.nip.io:30933 http://tpd.10.9.20.42.nip.io:30750;default-src *;style-src 'self' http://192.168.174.69:30459 http://192.168.174.106:8088 'unsafe-inline';script-src 'self' http://192.168.174.69:30459 http://192.168.174.106:8088 'unsafe-inline' 'unsafe-eval';img-src * data:;worker-src * blob:;font-src 'self' http://192.168.174.69:30459 http://192.168.174.106:8088 http://at.alicdn.com data:;"; more_set_headers "Access-Control-Allow-Origin http://192.168.174.69:30459";more_set_headers "Access-Control-Allow-Methods GET, POST, PUT, DELETE, OPTIONS";
+```
diff --git a/3.集成部署/python/README.md b/3.集成部署/python/README.md
@@ -1,3 +1,19 @@
 ## Python3.6
 
-    yum install -y python36 python36-pip python36-devel
+    yum install -y python36 python36-pip python36-devel
+
+## Python3.7
+
+1.下载源码包：https://www.python.org/ftp/python/3.9.18/Python-3.9.18.tgz
+
+2. 安装编译依赖
+
+```shell
+
+```
+
+3. 编译安装
+
+```shell
+yum -y install make gcc zlib-devel gcc-c++ openssl-devel
+```