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settings-system.lp
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<? --[[
* Pi-hole: A black hole for Internet advertisements
* (c) 2023 Pi-hole, LLC (https://pi-hole.net)
* Network-wide ad blocking via your own hardware.
*
* This file is copyright under the latest version of the EUPL.
* Please see LICENSE file for your rights under this license.
--]]
mg.include('scripts/lua/header_authenticated.lp','r')
-- Page title and level selector
PageTitle = "System Settings"
mg.include('scripts/lua/settings_header.lp','r')
?>
<div class="row">
<div class="col-md-6">
<div class="box">
<div class="box-header with-border">
<h3 class="box-title">System Information</h3>
</div>
<div class="box-body">
<div class="row">
<div class="col-lg-12">
<table class="table table-striped table-bordered nowrap">
<tbody>
<tr>
<th scope="row">Hostname:</th>
<td><span id="sysinfo-hostname"></span></td>
</tr>
<tr>
<th scope="row">CPU:</th>
<td><span id="sysinfo-cpu"></span> <span id="sysinfo-cpu-ftl"></span></td>
</tr>
<tr>
<th scope="row">RAM:</th>
<td><span id="sysinfo-memory-ram"></span> <span id="sysinfo-ram-ftl"></span</td>
</tr>
<tr>
<th scope="row">Swap:</th>
<td><span id="sysinfo-memory-swap"></span></td>
</tr>
<tr>
<th scope="row">Kernel:</th>
<td><span id="sysinfo-kernel"></span></td>
</tr>
<tr>
<th scope="row">Uptime:</th>
<td><span id="sysinfo-uptime"></span></td>
</tr>
<tr>
<th scope="row">FTL:</th>
<td>PID <span id="sysinfo-pid-ftl">?</span>, last restart was on <span id="sysinfo-uptime-ftl"></span></td>
</tr>
</tbody>
</table>
<h4>Primary IP addresses</h4>
<table class="table table-striped table-bordered nowrap">
<tbody>
<tr>
<th scope="row">IPv4</th>
<td><code id="sysinfo-gw-v4-addr">?</code> @ <code id="sysinfo-gw-v4-iface">?</code></td>
</tr>
<tr>
<th scope="row">IPv6</th>
<td><code id="sysinfo-gw-v6-addr">?</code> @ <code id="sysinfo-gw-v6-iface">?</code></td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<div class="overlay" id="sysinfo-system-overlay">
<i class="fa fa-sync fa-spin"></i>
</div>
</div>
<div class="box settings-level-expert">
<div class="box-header with-border">
<h3 class="box-title">DHCP server metrics</h3>
</div>
<div class="box-body">
<div class="row">
<div class="col-lg-12">
<table class="table table-striped table-bordered nowrap">
<tbody>
<tr title="Client broadcast to locate available servers">
<th scope="row">
<span>DHCPDISCOVER:</span>
</th>
<td id="sysinfo-dhcp-discover"> </td>
</tr>
<tr title="Server to client in response to DHCPDISCOVER with offer of configuration parameters">
<th scope="row">
<span>DHCPOFFER:</span>
</th>
<td id="sysinfo-dhcp-offer"> </td>
</tr>
<tr title="Client message to servers either 
 (a) requesting offered parameters from one server and implicitly declining offers from all others, 
 (b) confirming correctness of previously allocated address after, e.g., system reboot, or 
 (c) extending the lease on a particular network address">
<th scope="row">
<span>DHCPREQUEST:</span>
</th>
<td id="sysinfo-dhcp-request"> </td>
</tr>
<tr title="Server to client with configuration parameters, including committed network address">
<th scope="row">
<span>DHCPACK:</span>
</th>
<td id="sysinfo-dhcp-ack"> </td>
</tr>
<tr title="Server to client indicating client's notion of network address is incorrect (e.g., client has moved to new subnet) or client's lease as expired">
<th scope="row">
<span>DHCPNAK:</span>
</th>
<td id="sysinfo-dhcp-nak"> </td>
</tr>
<tr title="Client to server indicating network address is already in use">
<th scope="row">
<span>DHCPDECLINE:</span>
</th>
<td id="sysinfo-dhcp-decline"> </td>
</tr>
<tr title="Client to server, asking only for local configuration parameters; client already has externally configured network address">
<th scope="row">
<span>DHCPINFORM:</span>
</th>
<td id="sysinfo-dhcp-inform"> </td>
</tr>
<tr title="Client to server relinquishing network address and cancelling remaining lease">
<th scope="row">
<span>DHCPRELEASE:</span>
</th>
<td id="sysinfo-dhcp-release"> </td>
</tr>
<tr title="Could not provide an answer, e.g., because there are no leases left, the client wants to renew a lease that is outside of our range, or the explicitly requested address is already in use">
<th scope="row">
<span>DHCPNOANSWER:</span>
</th>
<td id="sysinfo-dhcp-noanswer"> </td>
</tr>
<tr title="Processed BOOTP packets">
<th scope="row">
<span>BOOTP:</span>
</th>
<td id="sysinfo-dhcp-bootp"> </td>
</tr>
<tr title="Processed PXE packets">
<th scope="row">
<span>PXE:</span>
</th>
<td id="sysinfo-dhcp-pxe"> </td>
</tr>
<tr>
<th scope="row">
<span>Allocated / pruned IPv4 leases:</span>
</th>
<td><span id="sysinfo-dhcp-leases-allocated_4"> </span> /
<span id="sysinfo-dhcp-leases-pruned_4"> </span>
</td>
</tr>
<tr>
<th scope="row">
<span>Allocated / pruned IPv6 leases:</span>
</th>
<td><span id="sysinfo-dhcp-leases-allocated_6"> </span> /
<span id="sysinfo-dhcp-leases-pruned_6"> </span>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<div class="overlay" id="sysinfo-metrics-overlay-3">
<i class="fa fa-sync fa-spin"></i>
</div>
</div>
</div>
<div class="col-md-6">
<div class="box settings-level-expert" id="cache-metrics">
<div class="box-header with-border">
<h3 class="box-title">DNS cache metrics</h3>
</div>
<div class="box-body">
<div class="row">
<div class="col-lg-12">
<table class="table table-striped table-bordered nowrap">
<tbody>
<tr title="Total size of the DNS cache">
<th scope="row">
<span>DNS cache size:</span>
</th>
<td id="sysinfo-dns-cache-size"> </td>
</tr>
<tr title="Share of the allocated cache that is currently in use (this includes stale/expired entries). If the percentage value is very low, it is advisable to reduce the DNS cache size to optimize performance">
<th scope="row">
<span>Active cache records:</span>
</th>
<td id="cache-utilization"> </td>
</tr>
<tr title="Number of cache insertions, this number will grow continuously as expiring records naturally make space for new records">
<th scope="row">
<span>Total cache insertions:</span>
</th>
<td id="sysinfo-dns-cache-inserted"> </td>
</tr>
<tr title="Number of cache entries that had to be removed although they are not expired. When this number if larger than zero, you should consider increasing your total cache size" lookatme-text="DNS cache evictions:">
<th scope="row">
<span>DNS cache evictions:</span>
</th>
<td id="sysinfo-dns-cache-evicted"> </td>
</tr>
<tr title="Number of expired cache entries (they can still be used by the cache optimizer). These entries will only be freed when space is really needed (for efficiency reasons)">
<th scope="row">
<span>Expired DNS cache entries:</span>
</th>
<td id="sysinfo-dns-cache-expired"> </td>
</tr>
<tr title="Number of immortal cache entries that will never expire (e.g. from /etc/hosts or local configuration)">
<th scope="row">
<span>Immortal DNS cache entries:</span>
</th>
<td id="sysinfo-dns-cache-immortal"> </td>
</tr>
</tbody>
</table>
<!-- <table class="table table-striped table-bordered nowrap settings-level-expert">
<tbody id="dns-cache-table">
</tbody>
</table> -->
</div>
<div class="col-lg-12">
See also our <a href="https://docs.pi-hole.net/ftldns/dns-cache/" rel="noopener" target="_blank">DNS cache documentation</a>.<br>
</div>
<div class="col-lg-12" id="cache-metrics-chart">
<div style="width:50%">
<canvas id="cachePieChart" width="280" height="280"></canvas>
</div>
<div class="chart-legend" style="width:50%" id="cache-legend" ></div>
</div>
</div>
</div>
<div class="overlay" id="sysinfo-metrics-overlay-1">
<i class="fa fa-sync fa-spin"></i>
</div>
</div>
<div class="box">
<div class="box-header with-border">
<h3 class="box-title">DNS reply metrics</h3>
</div>
<div class="box-body">
<div class="row">
<div class="col-lg-12">
<table class="table table-striped table-bordered nowrap">
<tbody>
<tr>
<th scope="row">
<span>Local/cache replies:</span>
</th>
<td id="sysinfo-dns-replies-local"> </td>
</tr>
<tr>
<th scope="row">
Forwarded queries:
</th>
<td id="sysinfo-dns-replies-forwarded"> </td>
</tr>
<tr>
<th scope="row">
<span>Cache optimizer replies:</span>
</th>
<td id="sysinfo-dns-replies-optimized"> </td>
</tr>
<tr>
<th scope="row">
Unanswered queries:
</th>
<td id="sysinfo-dns-replies-unanswered"> </td>
</tr>
<tr class="settings-level-expert">
<th scope="row">
<span>Authoritative replies:</span>
</th>
<td id="sysinfo-dns-replies-auth"> </td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<div class="overlay" id="sysinfo-metrics-overlay-2">
<i class="fa fa-sync fa-spin"></i>
</div>
</div>
</div>
<div class="col-md-12 settings-level-expert">
<div class="box box-warning">
<div class="box-header with-border">
<h3 class="box-title">Actions<span id="actions-title"></span></h3>
</div>
<div class="box-body">
<div class="row">
<div class="col-xs-12 col-md-6 col-lg-3">
<button type="button" id="loggingButton" class="btn btn-block button-pad btn-primary"><i class="fa fa-spinner fa-pulse"></i></button>
</div>
<div class="col-xs-12 col-md-6 col-lg-3">
<button type="button" class="btn btn-warning confirm-restartdns btn-block button-pad destructive_action" disabled="true">Restart DNS resolver</button>
</div>
<div class="col-xs-12 col-md-6 col-lg-3">
<button type="button" class="btn btn-danger confirm-flusharp btn-block button-pad destructive_action" disabled="true">Flush network table</button>
</div>
<div class="col-xs-12 col-md-6 col-lg-3 settings-level-expert">
<button type="button" class="btn btn-danger confirm-flushlogs btn-block button-pad destructive_action" disabled="true">Flush logs (last 24 hours)</button>
</div>
</div>
</div>
</div>
</div>
</div>
<script defer src="<?=pihole.fileversion('vendor/bootstrap-toggle/bootstrap-toggle.min.js')?>"></script>
<script defer src="<?=pihole.fileversion('vendor/jquery-confirm/jquery.confirm.min.js')?>"></script>
<script defer src="<?=pihole.fileversion('scripts/js/charts.js')?>"></script>
<script defer src="<?=pihole.fileversion('scripts/js/settings-system.js')?>"></script>
<script defer src="<?=pihole.fileversion('scripts/js/settings.js')?>"></script>
<? mg.include('scripts/lua/footer.lp','r')?>