<html lang="en"> <head> <title>ntpsweep User's Manual</title> <meta http-equiv="Content-Type" content="text/html"> <meta name="description" content="ntpsweep User's Manual"> <meta name="generator" content="makeinfo 4.7"> <link title="Top" rel="top" href="#Top"> <link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> <meta http-equiv="Content-Style-Type" content="text/css"> <style type="text/css"><!-- pre.display { font-family:inherit } pre.format { font-family:inherit } pre.smalldisplay { font-family:inherit; font-size:smaller } pre.smallformat { font-family:inherit; font-size:smaller } pre.smallexample { font-size:smaller } pre.smalllisp { font-size:smaller } span.sc { font-variant:small-caps } span.roman { font-family: serif; font-weight: normal; } --></style> </head> <body> <h1 class="settitle">ntpsweep User's Manual</h1> <div class="node"> <p><hr> <a name="Top"></a>Next: <a rel="next" accesskey="n" href="#ntpsweep-Description">ntpsweep Description</a>, Previous: <a rel="previous" accesskey="p" href="#dir">(dir)</a>, Up: <a rel="up" accesskey="u" href="#dir">(dir)</a> <br> </div> <p>This document describes the use of the NTP Project's <code>ntpsweep</code> program. <p>This document applies to version 4.2.8p10 of <code>ntpsweep</code>. <div class="shortcontents"> <h2>Short Contents</h2> <ul> </ul> </div> <ul class="menu"> <li><a accesskey="1" href="#ntpsweep-Description">ntpsweep Description</a>: Description <li><a accesskey="2" href="#ntpsweep-Invocation">ntpsweep Invocation</a>: Invoking ntpsweep </ul> <div class="node"> <p><hr> <a name="ntpsweep-Invocation"></a> <br> </div> <h3 class="section">0.1 Invoking ntpsweep</h3> <p><a name="index-ntpsweep-1"></a><a name="index-Print-various-informations-about-given-ntp-servers-2"></a> <code>ntpsweep</code> prints per host the NTP stratum level, the clock offset in seconds, the daemon version, the operating system and the processor. Optionally recursing through all peers. <p>This section was generated by <strong>AutoGen</strong>, using the <code>agtexi-cmd</code> template and the option descriptions for the <code>ntpsweep</code> program. <ul class="menu"> <li><a accesskey="1" href="#ntpsweep-usage">ntpsweep usage</a>: ntpsweep help/usage (<span class="option">--help</span>) <li><a accesskey="2" href="#ntpsweep-host_002dlist">ntpsweep host-list</a>: host-list option (-l) <li><a accesskey="3" href="#ntpsweep-peers">ntpsweep peers</a>: peers option (-p) <li><a accesskey="4" href="#ntpsweep-maxlevel">ntpsweep maxlevel</a>: maxlevel option (-m) <li><a accesskey="5" href="#ntpsweep-strip">ntpsweep strip</a>: strip option (-s) <li><a accesskey="6" href="#ntpsweep-host">ntpsweep host</a>: host option (-h) <li><a accesskey="7" href="#ntpsweep-exit-status">ntpsweep exit status</a>: exit status </ul> <div class="node"> <p><hr> <a name="ntpsweep-usage"></a>Next: <a rel="next" accesskey="n" href="#ntpsweep-host_002dlist">ntpsweep host-list</a>, Up: <a rel="up" accesskey="u" href="#ntpsweep-Invocation">ntpsweep Invocation</a> <br> </div> <h4 class="subsection">0.1.1 ntpsweep help/usage (<span class="option">--help</span>)</h4> <p><a name="index-ntpsweep-help-3"></a> This is the automatically generated usage text for ntpsweep. <p>The text printed is the same whether selected with the <code>help</code> option (<span class="option">--help</span>) or the <code>more-help</code> option (<span class="option">--more-help</span>). <code>more-help</code> will print the usage text by passing it through a pager program. <code>more-help</code> is disabled on platforms without a working <code>fork(2)</code> function. The <code>PAGER</code> environment variable is used to select the program, defaulting to <span class="file">more</span>. Both will exit with a status code of 0. <pre class="example">ntpsweep - Print various informations about given ntp servers - Ver. 4.2.8p10 USAGE: ntpsweep [ -<flag> [<val>] | --<name>[{=| }<val>] ]... [hostfile] -l, --host-list=str Host to execute actions on - may appear multiple times -p, --peers Recursively list all peers a host synchronizes to -m, --maxlevel=num Traverse peers up to this level (4 is a reasonable number) -s, --strip=str Strip this string from hostnames -?, --help Display usage information and exit --more-help Pass the extended usage text through a pager Options are specified by doubled hyphens and their name or by a single hyphen and the flag character. </pre> <div class="node"> <p><hr> <a name="ntpsweep-host_002dlist"></a>Next: <a rel="next" accesskey="n" href="#ntpsweep-peers">ntpsweep peers</a>, Previous: <a rel="previous" accesskey="p" href="#ntpsweep-usage">ntpsweep usage</a>, Up: <a rel="up" accesskey="u" href="#ntpsweep-Invocation">ntpsweep Invocation</a> <br> </div> <h4 class="subsection">0.1.2 host-list option (-l)</h4> <p><a name="index-ntpsweep_002dhost_002dlist-4"></a> This is the “host to execute actions on” option. This option takes a string argument. <p class="noindent">This option has some usage constraints. It: <ul> <li>may appear an unlimited number of times. </ul> <p>Use this option to specify the host on which this script operates. May appear multiple times. <div class="node"> <p><hr> <a name="ntpsweep-peers"></a>Next: <a rel="next" accesskey="n" href="#ntpsweep-maxlevel">ntpsweep maxlevel</a>, Previous: <a rel="previous" accesskey="p" href="#ntpsweep-host_002dlist">ntpsweep host-list</a>, Up: <a rel="up" accesskey="u" href="#ntpsweep-Invocation">ntpsweep Invocation</a> <br> </div> <h4 class="subsection">0.1.3 peers option (-p)</h4> <p><a name="index-ntpsweep_002dpeers-5"></a> This is the “recursively list all peers a host synchronizes to” option. This option has no <span class="samp">doc</span> documentation. <div class="node"> <p><hr> <a name="ntpsweep-maxlevel"></a>Next: <a rel="next" accesskey="n" href="#ntpsweep-strip">ntpsweep strip</a>, Previous: <a rel="previous" accesskey="p" href="#ntpsweep-peers">ntpsweep peers</a>, Up: <a rel="up" accesskey="u" href="#ntpsweep-Invocation">ntpsweep Invocation</a> <br> </div> <h4 class="subsection">0.1.4 maxlevel option (-m)</h4> <p><a name="index-ntpsweep_002dmaxlevel-6"></a> This is the “traverse peers up to this level (4 is a reasonable number)” option. This option takes a number argument. This option has no <span class="samp">doc</span> documentation. <div class="node"> <p><hr> <a name="ntpsweep-strip"></a>Next: <a rel="next" accesskey="n" href="#ntpsweep-host">ntpsweep host</a>, Previous: <a rel="previous" accesskey="p" href="#ntpsweep-maxlevel">ntpsweep maxlevel</a>, Up: <a rel="up" accesskey="u" href="#ntpsweep-Invocation">ntpsweep Invocation</a> <br> </div> <h4 class="subsection">0.1.5 strip option (-s)</h4> <p><a name="index-ntpsweep_002dstrip-7"></a> This is the “strip this string from hostnames” option. This option takes a string argument. This option has no <span class="samp">doc</span> documentation. <div class="node"> <p><hr> <a name="ntpsweep-host"></a>Next: <a rel="next" accesskey="n" href="#ntpsweep-exit-status">ntpsweep exit status</a>, Previous: <a rel="previous" accesskey="p" href="#ntpsweep-strip">ntpsweep strip</a>, Up: <a rel="up" accesskey="u" href="#ntpsweep-Invocation">ntpsweep Invocation</a> <br> </div> <h4 class="subsection">0.1.6 host option (-h)</h4> <p><a name="index-ntpsweep_002dhost-8"></a> This is the “specify a single host” option. This option takes a string argument. This option has no <span class="samp">doc</span> documentation. <p><strong>NOTE</strong><strong>: THIS OPTION IS DEPRECATED</strong> <div class="node"> <p><hr> <a name="ntpsweep-exit-status"></a>Previous: <a rel="previous" accesskey="p" href="#ntpsweep-host">ntpsweep host</a>, Up: <a rel="up" accesskey="u" href="#ntpsweep-Invocation">ntpsweep Invocation</a> <br> </div> <h4 class="subsection">0.1.7 ntpsweep exit status</h4> <p>One of the following exit values will be returned: <dl> <dt><span class="samp">0 (EXIT_SUCCESS)</span><dd>Successful program execution. <br><dt><span class="samp">1 (EXIT_FAILURE)</span><dd>The operation failed or the command syntax was not valid. </dl> </body></html>