新增 53 埠被占用

53-%E5%9F%A0%E8%A2%AB%E5%8D%A0%E7%94%A8.md

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+# 1. 取消註解 DNSStubListener 並設定為 no
+
+```bash
+sudo nano /etc/systemd/resolved.conf
+```
+
+```
+[Resolve]
+#DNS=
+#FallbackDNS=
+#Domains=
+#LLMNR=no
+#MulticastDNS=no
+#DNSSEC=no
+#DNSOverTLS=no
+#Cache=yes
+DNSStubListener=no
+#ReadEtcHosts=yes
+```
+
+# 2. 重新建立捷徑
+
+```bash
+sudo ln -sf /run/systemd/resolve/resolv.conf /etc/resolv.conf
+```
+
+# 3. 重新啟動系統服務
+
+```bash
+sudo systemctl restart systemd-resolved
+```