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Timothy Stack 15 years ago
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<html>
<head>
<title>lnav -- The Logfile Navigator</title>
<style>
ul.navbar {
text-align: center;
}
ul.navbar li {
list-style-type: none;
display: inline;
}
p.banner {
padding: 8px;
margin: 0px;
font-family: sans-serif;
font-weight: normal;
font-size: x-large;
color: #ffffff;
background-color: #24913c;
text-align: center;
border-color: #38e05d;
border-style: solid;
border-width: 0px 0px 4px 0px;
}
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margin-bottom: 0px;
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font-family: sans-serif;
font-size: small;
text-align: right;
}
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float: left;
}
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text-decoration: none;
border-style: dotted;
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width: 50%;
}
body {
margin-top: 0px;
margin-left: 20%;
margin-right: 20%;
margin-bottom: 0px;
}
h2 {
font-family: sans-serif;
color: #ffffff;
font-weight: normal;
border-style: solid;
border-width: 0px 0px 0px 8px;
border-color: #38e05d;
padding: 4px;
background-color: #24913c;
}
table.sstable {
width: 100%;
}
table.sstable td {
}
table.sstable td.thumb {
text-align: center;
}
</style>
</head>
<body>
<p class="banner">LNAV &mdash; The Logfile Navigator</p>
<ul class="navbar">
<li><a href="#introduction">[Introduction]</a>
<li><a href="#screenshots">[Screenshots]</a>
<li><a href="#screenshots">[Download]</a>
<li><a href="#screenshots">[Interface Tour]</a>
<li><a href="#screenshots">[Links]</a>
</ul>
<h2><a name="introduction">Introduction</a></h2>
The Logfile Navigator, <b>lnav</b> for short, is a <a href="">curses</a>-based
tool for viewing and analyzing log files. The value added by lnav over text
viewers / editors is that it takes advantage of any semantic information that
can be gleaned from the log file, such as timestamps and log levels. Using this
extra semantic information, lnav can do things like interleaving messages from
different files, generate histograms of messages over time, and providing
hotkeys for navigating through the file. It is hoped that these features will
allow the user to quickly and efficiently zero-in on problems.
<h2><a name="screenshots">Screenshots</a></h2>
<center>
<table class="sstable">
<tr>
<td class="thumb"><a href="lnav-syslog.png"><img src="lnav-syslog-thumb.png"></a></td>
<td class="thumb"><a href="lnav-hist.png"><img src="lnav-hist-thumb.png"></a></td>
</tr>
<tr>
<td class="caption">The standard view of a syslog file. Log lines are
displayed XXX</td>
<td class="caption">The histogram view of the same syslog file. The histogram
shows the number of messages per time slice.</td>
</tr>
</table>
</center>
<h2><a name="download">Download</a></h2>
Source:
<ul>
<li><a href="http://github.org/tstack/lnav">Git Repository</a></li>
<li><a href="http://github.org/tstack/XXX">lnav-0.1.tar.gz</a></li>
</ul>
<h2><a name="interface">Interface Tour</a></h2>
<table class="sstable">
<tr><td><img src="lnav-top.png"></td></tr>
<tr>
<td class="caption">Top bar: Displays the current time, the number of warnings
and errors above the top line and the name of the file where the top line came
from.</td>
</tr>
<tr>
<tr><td><img src="lnav-content.png"></td></tr>
<td class="caption">Main content: Displays the log lines in time sorted order
and highlighted. Highlights are done for: errors, warnings, search terms,
quoted strings, and some SQL syntax. On the far right, there is a
proportional scroll bar displayed in reverse-video that shows the current
position in the file.</td>
</tr>
<tr>
<tr><td><img src="lnav-bottom.png"></td></tr>
<td class="caption">Bottom bar: Displays the current line number, the position
in the file as a percentage, warnings and errors below the bottom line.</td>
</tr>
<tr>
<td class="caption">Entry line: Searches and commands are entered here.</td>
</tr>
</table>
<h2><a name="links">Links</a></h2>
<ul>
<li><a href="http://www.microsoft.com/downloads/details.aspx?FamilyID=890cd06b-abf8-4c25-91b2-f8d975cf8c07&displaylang=en">Microsoft's Log Parser</a>
</ul>
<div class="footer">
<span class="hosting">Hosting by <a href="http://github.com">github.com</a>.
</span>
<span class="contact">
e-mail: <a href="mailto:timothyshanestack@gmail.com">timothyshanestack at
gmail.com</a></span>
</div>
</body>
</html>

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