更新 'centos/ssh安装与配置.md'

centos/ssh安装与配置.md

@@ -11,4 +11,7 @@
     先退出 ssh客户端
     ssh-keygen -t rsa
     cd ~/.ssh
-    cat id_rsa.pub >> authorized_keys
+    cat id_rsa.pub >> authorized_keys
+
+docker cenntos 添加systemctl命令
+    https://www.jianshu.com/p/e670ae82e97a