From 8136d8d5083320a78c8bd4d0d8d8f4f5464e62aa Mon Sep 17 00:00:00 2001
From: oooo-ps <l.trk@tuta.io>
Date: Thu, 14 Aug 2025 04:55:55 +0300
Subject: [PATCH] Created Troubleshooting (markdown)

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 Troubleshooting.md | 14 ++++++++++++++
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 create mode 100644 Troubleshooting.md

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+## Error opening file in read/write mode
+
+If you encounter issues such as:
+```
+Error opening '/path/to/file' in read/write mode
+```
+
+increase `nofile` value in the file `/etc/security/limits.conf`:
+``` /etc/security/limits.conf
+#<domain>        <type>  <item>  <value>
+btracker         soft    nofile  2048
+btracker         hard    nofile  524288
+```
+* for systemd, use the following [example](https://github.com/YGGverse/aquatic-crawler/wiki/Systemd)
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