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Steps to review logs and troubleshoot</a><!----></li><li class="sidebar-link"><a class="sidebar-link-item" href="/en_US/guide/q3">Steps for Reverse Proxy gRPC Ports (support Cloudflare CDN)</a><!----></li><li class="sidebar-link"><a class="sidebar-link-item" href="/en_US/guide/q4">Real-time channel disconnection/online terminal connection failure</a><!----></li><li class="sidebar-link"><a class="sidebar-link-item" href="/en_US/guide/q5">Steps to perform data migration, backup and recovery</a><!----></li><li class="sidebar-link"><a class="sidebar-link-item" href="/en_US/guide/q6">Steps to set up monthly reset data statistics</a><!----></li><li class="sidebar-link"><a class="sidebar-link-item" href="/en_US/guide/q7">Steps to customize Agent monitoring items</a><!----></li></ul></li><li class="sidebar-link"><p class="sidebar-link-item">Troubleshooting Guide</p><ul class="sidebar-links"><li class="sidebar-link"><a class="sidebar-link-item" href="/en_US/guide/dashboardq">Dashboard</a><!----></li><li class="sidebar-link"><a class="sidebar-link-item" href="/en_US/guide/agentq">Agent</a><!----></li><li class="sidebar-link"><a class="sidebar-link-item" href="/en_US/guide/loginq">Login</a><!----></li></ul></li><!--]--></ul><!--[--><!--]--></aside><div class="sidebar-mask"></div><main class="page" data-v-7eddb2c4><div class="container" data-v-7eddb2c4><!--[--><!--]--><div style="position:relative;" class="content" data-v-7eddb2c4><div><h4 id="let-the-agent-start-on-line-and-the-self-test-process-of-the-problem" tabindex="-1">Let the Agent start/on-line, and the self-test process of the problem <a class="header-anchor" href="#let-the-agent-start-on-line-and-the-self-test-process-of-the-problem" aria-hidden="true">#</a></h4><ol><li>Run <code>//opt/nezha/agent/nezha-agent -s IP/Domin(Panel IP or Domain not connected to CDN):port(Panel RPC port) -p secret(Agent Secret) -d</code> Check the logs to see if the timeout is due to a DNS problem or poor network</li><li><code>nc -v domain/IP port(Panel RPC port)</code> or <code>telnet domain/IP port(Panel RPC port)</code> to check if it' s a network problem, check the inbound and outbound firewall between the local machine and the panel server, if you can' t determine the problem you can check it with the port checking tool provided by <a href="https://port.ping.pe/" target="_blank" rel="noopener noreferrer">https://port.ping.pe/</a></li><li>If the above steps work and the Agent is online, please try to turn off SELinux on the panel server. <a href="https://www.google.com/search?q=How+to+disable+SELinux" target="_blank" rel="noopener noreferrer">How to close SELinux？</a></li></ol></div></div><footer class="page-footer" data-v-7eddb2c4 data-v-07c132fc><div class="edit" data-v-07c132fc><div class="edit-link" data-v-07c132fc data-v-1ed99556><a class="link" href="https://github.com/nezhahq/nezhahq.github.io/edit/main/docs/en_US/guide/q2.md" target="_blank" rel="noopener noreferrer" data-v-1ed99556>Edit this page on GitHub <svg class="icon outbound icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15" data-v-1ed99556><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></div></div><div class="updated" data-v-07c132fc><p class="last-updated" data-v-07c132fc data-v-abce3432><span class="prefix" data-v-abce3432>Last Updated:</span><span class="datetime" data-v-abce3432></span></p></div></footer><div class="next-and-prev-link" data-v-7eddb2c4 data-v-38ede35f><div class="container" data-v-38ede35f><div class="prev" data-v-38ede35f><a class="link" href="/en_US/guide/api" data-v-38ede35f><svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 24 24" class="icon icon-prev" data-v-38ede35f><path d="M19,11H7.4l5.3-5.3c0.4-0.4,0.4-1,0-1.4s-1-0.4-1.4,0l-7,7c-0.1,0.1-0.2,0.2-0.2,0.3c-0.1,0.2-0.1,0.5,0,0.8c0.1,0.1,0.1,0.2,0.2,0.3l7,7c0.2,0.2,0.5,0.3,0.7,0.3s0.5-0.1,0.7-0.3c0.4-0.4,0.4-1,0-1.4L7.4,13H19c0.6,0,1-0.4,1-1S19.6,11,19,11z"></path></svg><span class="text" data-v-38ede35f>API</span></a></div><div class="next" data-v-38ede35f><a class="link" href="/en_US/guide/q3" data-v-38ede35f><span class="text" data-v-38ede35f>Steps for Reverse Proxy gRPC Ports (support Cloudflare CDN)</span><svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 24 24" class="icon icon-next" data-v-38ede35f><path d="M19.9,12.4c0.1-0.2,0.1-0.5,0-0.8c-0.1-0.1-0.1-0.2-0.2-0.3l-7-7c-0.4-0.4-1-0.4-1.4,0s-0.4,1,0,1.4l5.3,5.3H5c-0.6,0-1,0.4-1,1s0.4,1,1,1h11.6l-5.3,5.3c-0.4,0.4-0.4,1,0,1.4c0.2,0.2,0.5,0.3,0.7,0.3s0.5-0.1,0.7-0.3l7-7C19.8,12.6,19.9,12.5,19.9,12.4z"></path></svg></a></div></div></div><!--[--><!--]--></div></main></div><!----><!--]--></div>
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