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トップに関する質問Raspberry Pi localhost:80 接続できない

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2

質問内容を修正しました。

2021/11/18 00:24

投稿

raspypy
raspypy

スコア247

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@@ -2,17 +2,9 @@
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- **次の記事を参考にして、InfluxDBを作成しました。**
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+ **次の記事を参考にして、DBを作成しました。**
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  https://www.mikan-tech.net/entry/raspi-sensortag-influxdb
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- 開発環境は、
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- ノートPC -(SSH接続）- Raspberry Pi
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- です。
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@@ -29,74 +21,6 @@
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  次のメッセージはプログラムを実行したときのエラーです。
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  ```text
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- Traceback (most recent call last):
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- File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 159, in _new_conn
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-
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- (self._dns_host, self.port), self.timeout, **extra_kw)
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- File "/usr/lib/python3/dist-packages/urllib3/util/connection.py", line 80, in create_connection
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-
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- raise err
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- File "/usr/lib/python3/dist-packages/urllib3/util/connection.py", line 70, in create_connection
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-
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- sock.connect(sa)
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- ConnectionRefusedError: [Errno 111] Connection refused
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- During handling of the above exception, another exception occurred:
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- Traceback (most recent call last):
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- File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 600, in urlopen
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- chunked=chunked)
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- File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 354, in _make_request
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- conn.request(method, url, **httplib_request_kw)
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- File "/usr/lib/python3.7/http/client.py", line 1260, in request
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- self._send_request(method, url, body, headers, encode_chunked)
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- File "/usr/lib/python3.7/http/client.py", line 1306, in _send_request
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- self.endheaders(body, encode_chunked=encode_chunked)
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- File "/usr/lib/python3.7/http/client.py", line 1255, in endheaders
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- self._send_output(message_body, encode_chunked=encode_chunked)
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- File "/usr/lib/python3.7/http/client.py", line 1030, in _send_output
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- self.send(msg)
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- File "/usr/lib/python3.7/http/client.py", line 970, in send
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- self.connect()
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- File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 181, in connect
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- conn = self._new_conn()
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- File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 168, in _new_conn
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- self, "Failed to establish a new connection: %s" % e)
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- urllib3.exceptions.NewConnectionError: <urllib3.connection.HTTPConnection object at 0x72d8b310>: Failed to establish a new connection: [Errno 111] Connection refused
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- During handling of the above exception, another exception occurred:
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  Traceback (most recent call last):
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- Traceback (most recent call last):
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- File "./56_InfluxDB.py", line 45, in <module>
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- write_to_influxdb(sdata)
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- File "./56_InfluxDB.py", line 25, in write_to_influxdb
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- db.write_points(points)
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- File "/home/pi/.local/lib/python3.7/site-packages/influxdb/client.py", line 608, in write_points
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- consistency=consistency)
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- File "/home/pi/.local/lib/python3.7/site-packages/influxdb/client.py", line 685, in _write_points
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- protocol=protocol
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- File "/home/pi/.local/lib/python3.7/site-packages/influxdb/client.py", line 419, in write
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- headers=headers
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- File "/home/pi/.local/lib/python3.7/site-packages/influxdb/client.py", line 342, in request
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- timeout=self._timeout
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- File "/usr/lib/python3/dist-packages/requests/sessions.py", line 533, in request
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- resp = self.send(prep, **send_kwargs)
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- File "/usr/lib/python3/dist-packages/requests/sessions.py", line 646, in send
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- r = adapter.send(request, **kwargs)
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- File "/usr/lib/python3/dist-packages/requests/adapters.py", line 516, in send
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- raise ConnectionError(e, request=request)
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- requests.exceptions.ConnectionError: HTTPConnectionPool(host='localhost', port=8086): Max retries exceeded with url: /write?db=sensor (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x72d8b310>: Failed to establish a new connection: [Errno 111] Connection refused'))
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  ```
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- ##試したこと1
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- **sudo nano /etc/influxdb/influxdb.conf**
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- にて、
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- bind-address = "127.0.0.1:8086"
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- を追加しましたが、ダメでした。
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- #試したこと2
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- influxコマンドを実行すると、次のメッセージが出てしまいます。
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- ```text
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- Failed to connect to http://localhost:8086: Get http://localhost:8086/ping: dial tcp [::1]:8086: connect: connection refused
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- Please check your connection settings and ensure 'influxd' is running.
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- ```
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- #試したこと3
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- *pi@raspberrypi:~ $ curl http://localhost:8086*
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- curl: (7) Failed to connect to localhost port 8086: 接続を拒否されました
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- *pi@raspberrypi:~ $ ss -ltp*
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- State Recv-Q Send-Q Local Address:Port Peer Address:Port
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- LISTEN 0 128 0.0.0.0:ssh 0.0.0.0:*
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- LISTEN 0 5 127.0.0.1:ipp 0.0.0.0:*
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- LISTEN 0 224 0.0.0.0:postgresql 0.0.0.0:*
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- LISTEN 0 128 [::]:ssh [::]:*
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- LISTEN 0 5 [::1]:ipp [::]:*
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- LISTEN 0 4096 *:3000 *:*
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- LISTEN 0 224 [::]:postgresql [::]:*

1

質問を分かりやすく編集しました。

2021/11/18 00:23

投稿

raspypy
raspypy

スコア247

test CHANGED
@@ -1 +1 @@
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- InfluxDBにアクセスできない
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+ Raspberry Pi localhost:80 接続できない
test CHANGED
@@ -8,6 +8,14 @@
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+ 開発環境は、
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+ ノートPC -(SSH接続）- Raspberry Pi
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+ です。
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  データベースの作成、Grafanaでの可視化までできていたのですが、
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  Raspberry Piを再起動した後、次のエラーがでてしまい、データベースにアクセスできなくなってしまいました。
@@ -179,3 +187,27 @@
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  Please check your connection settings and ensure 'influxd' is running.
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  ```
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+ #試したこと3
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+ *pi@raspberrypi:~ $ curl http://localhost:8086*
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+ curl: (7) Failed to connect to localhost port 8086: 接続を拒否されました
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+ *pi@raspberrypi:~ $ ss -ltp*
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+ State Recv-Q Send-Q Local Address:Port Peer Address:Port
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+ LISTEN 0 128 0.0.0.0:ssh 0.0.0.0:*
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+ LISTEN 0 5 127.0.0.1:ipp 0.0.0.0:*
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+ LISTEN 0 224 0.0.0.0:postgresql 0.0.0.0:*
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+
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+ LISTEN 0 128 [::]:ssh [::]:*
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+ LISTEN 0 5 [::1]:ipp [::]:*
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+ LISTEN 0 4096 *:3000 *:*
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+ LISTEN 0 224 [::]:postgresql [::]:*