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<HTML>
<HEAD>
<TITLE>The ELOG Home Page</TITLE>
<LINK REV="made" HREF="mailto:fredp@mygale.org">
<META NAME="generator" CONTENT="NoteTab Light 4.86c">
<META NAME="author" CONTENT="Fred Pacquier">
<META NAME="description" CONTENT="Home of the Electronic Logbook (ELOG) package">
<META NAME="keywords" CONTENT="ELOG MIDAS PSI RITT">
<LINK REL="stylesheet" TYPE="text/css" HREF="elog.css">
</HEAD>
<BODY BGCOLOR="#ffffff" TEXT="#000000" LINK="#0000ff" VLINK="#800080" ALINK="#ff0000">
<div class="title"> The ELOG Home Page </div>
<p>
<div class="menu"> Site map : [Home]
[<a class="nav" href="userguide.html">User's Guide</a>]
[<a class="nav" href="adminguide.html">Administrator's Guide</a>]
[<a class="nav" href="faq.html">FAQ</a>]
[<a class="nav" href="http://midas.psi.ch/elogs/Forum">Forum</a>]
[<a class="nav" href="wishlist.html">Wishlist</a>]
[<a class="nav" href="contrib.html">Contributions</a>]
[<a class="nav" href="http://midas.psi.ch/elogs/Linux%20Demo/">DEMO</a>]
[<a class="nav" href="download.html">Download</a>]
</div>
<p>
<div class="menu"> * this section : [<a class="nav" href="#whatis">What
is ELOG ?</a>] [<a class="nav" href="#screenshots">Screen shots</a>]
[<a class="nav" href="#usecases">Use cases</a>] [<a class="nav" href="#license">License</a>]
[<a class="nav" href="#talks">Talks</a>]
[<a class="nav" href="#links">Links</a>] * </div>
<P class="Sub">Home of the <i>Electronic Logbook</i> package by <a href="mailto:Stefan.Ritt@psi.ch">
Stefan Ritt</a></P>
<div class="version">Current version is : 3.1.2</div>
<hr>
<a name="whatis">
<div class="section"> What is ELOG ? </div>
<p>
<b>ELOG</b> is part of a family of applications known as <i><i>weblog</i>s</i>
. Their general purpose is :
<p>
<ol>
<li>
to make it easy for people to put information online in a chronological
fashion, in the form of short, time-stamped text messages ("entries") with
optional HTML markup for presentation, and optional file attachments (images,
archives, etc.)
<p></p>
<li>
to make it easy for other people to access this information through a Web
interface, browse entries, search, download files, and optionally add, update,
delete or comment on entries.</li>
</ol>
<p>
<b>ELOG</b> is a remarkable implementation of a <i>weblog</i>
in at least two respects :
<p>
<ul>
<li>
its simplicity of use : you don't need to be a seasoned server operator and/or
an experimented database administrator to run <b>ELOG</b> ; one executable file
(under Unix or Windows), a simple configuration text file, and it works. No Web
server or relational database required. It is also easy to translate the
interface to the appropriate language for your users.
<p></p>
<li>
its versatility : through its single configuration file, <b>ELOG</b> can be
made to display an infinity of variants of the <i>weblog</i> concept. There are
options for what to display, how to display it, what commands are available and
to whom, access control, etc. Moreover, a single server can host several <i><i>weblog</i>s</i>,
and each <i>weblog</i> can be totally different from the rest.</li>
</ul>
<p>
<hr>
<a name="screenshots">
<div class="section"> Screen shots </div>
<p>
<table border="0" cellpadding="5">
<tr>
<td>
<a href="elog.gif"><img border="0" align="top" src="elog_thumb.gif" alt="elog.gif"></a>
</td>
<td valign="top">
On the left upper panel is a typical logbook page displayed by Netscape
Navigator. Each logbook page can contain attachments in a similar way to
emails. This makes it possible to store images or text files and retrieve them
easily. You could for example attach a sample configuration file which can
later be copied to the local machine with the "<I>Save As...</I>" function of
the Web browser.
<p>
Several logbooks can be served though a single <b>ELOG</b> server. Each logbook
can use different attributes for its entries. The logbook can then be searched
using these attributes. The right pane on the left image shows a search for all
entries with attribute "<I>Type</I>" equal to "<I>Configuration</I>
", and the lower pane shows the search result. It is also possible to use
full-text search in attributes and the entry body.
<p>
While logbook entries are usually displayed one entry per page, they can also
be listed consecutively which makes it easy to produce a paper printout of a
logbook.
<p>
Logbook pages can be edited or deleted. This feature can be turned off in the
configuration file so that a logbook entries cannot be changed after being
submitted.
<p>
An additional feature is the automatic generation of a notification email
messages based on a certain type or category of a logbook entry.
<p>
Also try out the <b><a href="http://midas.psi.ch/elogs/Linux%20Demo/">online demo</a></b>
!</p>
</td>
</tr>
</table>
<p>
<hr>
<a name="usecases">
<div class="section"> Use cases </div>
<p>
The features of <b>ELOG</b> make it useful for several applications:
<ul>
<li>
<b>Personal Logbooks</b>. Personal notes can be written into <b>ELOG</b> and
can then be retrieved from anywhere with a Web browser. This makes it handy for
PC supporters who have to go around in companies or laboratories and don't want
to carry their paper logbook with them. The same holds true for people
traveling around a lot. The logbook database consists of plain ASCII files
which can copied easily between different computers to have local access, for
example on a notebook with no network connection.
<p></p>
<li>
<b>Shared Logbooks</b>. Logbooks can be shared by several people, for reading
and optionally for writing. This way workgroups can share and exchange
information like in a (simplified) news group. This is supported by the <i>Reply</i>
command in <b>ELOG</b> which creates "<I>threads</I>" of entries. Users can be
notified by email when new entries are added to the logbook. Compared to that
of a news server, the installation of <b>ELOG</b> is much simpler.
<p></p>
<li>
<b>Small Databases</b>. Since arbitrary attributes can be defined for a
logbook, it can be used as a small database with search facilities.
<p></p>
<li>
<b>Problem collections</b>. A system can consist of two logbooks, in one of
which users enter bugs or problems. If someone adds a problem, an email is
automatically sent to the administrator, who can then copy the entry to the
second logbook and add the solution to the problem. Users can then look up all
fixed problems.
<p></p>
<li>
<b>Shift Logbooks</b>. If the <i>Allow delete</i> and <i>Allow edit</i> flags
are off, an entry cannot be modified once it's been entered. This can be useful
for shift logbooks for example in accelerator control rooms where each entry
becomes a "<I>document</I>" with a time and author stamp. <b>ELOG</b> was
originally developed as a shift logbook for the <a href="http://pibeta.psi.ch">PiBeta</a>
and <a href="http://meg.psi.ch">Muegamma</a> particle experiments at <a href="http://www.psi.ch">
PSI</a>.
<p></p>
<li>
<b>File collections</b>. Since files can be attached to <b>ELOG</b> entries,
the system can be used to store and retrieve files. This can be used to store
configuration files, which need to be accessible by several people over the
web, or to store images. Since <b>ELOG</b> features an elaborate query
facility, entries can be searched for by specifying several categories.</li>
</ul>
<p>
<hr>
<a name="license">
<div class="section"> License </div>
<p>
<b>ELOG</b> is released under the <a href="http://www.gnu.org/copyleft/gpl.html">GNU
Public License</a>
.
<p>
<hr>
<a name="credits">
<div class="section"> Credits </div>
<p>
The author would like to give credits to following people:
<UL>
<LI><a href="mailto:fredp@dial.oleane.com">Fred Pacquier</a> for
this Web site and the French translation</LI>
<LI><a href="mailto:roktas@omu.edu.tr">Recai Oktas</a> and <a href="mailto:roger.kalt@psi.ch">Roger Kalt</a>
for the Debian package
<LI><a href="mailto:djek@xs4all.nl">djek</a>
for the Dutch translation
<LI><a href="mailto:Heiko.Scheit@mpi-hd.mpg.de">Heiko Scheit</a>
for many bug fixes and fruitful discussions
<LI><a href="mailto:jhcalvo@arnet.com.ar">Julio Calvo</a> for the Spanish
translation</LI>
<LI><a href="mailto:AlberT@SuperAlberT.it">Emiliano 'AlberT' Gabrielli</a></LI> for
his idea of scaling attached images
<LI><a href="mailto:andreas.luedeke@psi.ch">Andreas Luedeke</a></LI> for
continuing user support and deployment of ELOG at PSI
</UL>
<p>
<hr>
<a name="talks">
<div class="section"> Talks and presentations </div>
<p>
Here are some talks and presentations given at various occasions:
<ul>
<li>Seminar at KIT, Karlsruhe, Jan. 2015. <a href="http://midas.psi.ch/elog/talks/2015_1_intro.pptx">Introduction talk</a> by <a href="mailto:stefan.ritt@psi.ch">Stefan Ritt</a>.
<li>Seminar at KIT, Karlsruhe, Jan. 2015. <a href="http://midas.psi.ch/elog/talks/2015_1_accel.pptx">Application of ELOG</a> for accelerator operation at PSI by <a href="mailto:andreas.luedeke@psi.ch">Andreas Luedeke</a>.
</ul>
<p>
<hr>
<a name="links">
<div class="section"> Links </div>
<p>
If your are reading this documentation from your local <b>ELOG</b> server,
check for updates on the <a href="http://midas.psi.ch/elog/">ELOG Home Page</a>
.
<HR>
<div class="footer"> Content by <a class="nav" href="mailto:Stefan.Ritt@psi.ch">
Stefan Ritt</a>, Web pages by <a class="nav" href="mailto:fredp@mygale.org">Fred
Pacquier</a> - last modified on 16/01/2002 </div>
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