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Moin zusammen,<br>
<br>
hier ist ein Artikel, der für einige von euch interessant sein
könnte.<br>
Auf meinem Xubuntu-Rechner ist die entsprechende Datei
(/etc/NetworkManager/system-connections/<SSID>), in der die
Informationen gespeichert werden, allerdings nur für root einsehbar,
obwohl der Haken 'Für alle User verfügbar' gesetzt ist.<br>
<br>
VG<br>
<br>
Stefan<br>
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<th align="RIGHT" nowrap="nowrap" valign="BASELINE">Betreff:
</th>
<td>ExpertsLogIn: Security Issue, Wifi Passwords Are Not
Encrypted In Ubuntu Systems</td>
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<th align="RIGHT" nowrap="nowrap" valign="BASELINE">Datum: </th>
<td>Tue, 31 Dec 2013 09:52:18 +0000</td>
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<tr>
<th align="RIGHT" nowrap="nowrap" valign="BASELINE">Von: </th>
<td>LinOxide <a class="moz-txt-link-rfc2396E" href="mailto:info@expertslogin.com"><info@expertslogin.com></a></td>
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<th align="RIGHT" nowrap="nowrap" valign="BASELINE">An: </th>
<td><a class="moz-txt-link-abbreviated" href="mailto:s.abeln@freenet.de">s.abeln@freenet.de</a></td>
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Helvetica,
sans-serif;font-weight:normal;text-decoration:none;"
href="http://linoxide.com"
title="(http://linoxide.com)">ExpertsLogIn: Security
Issue, Wifi Passwords Are Not Encrypted In Ubuntu
Systems</a>
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<a moz-do-not-send="true" name="1"
style="font-family:Arial, Helvetica,
sans-serif;font-size:18px;"
href="http://feedproxy.google.com/%7Er/linoxideblog/%7E3/vnh6FIHb8zY/?utm_source=feedburner&utm_medium=email">Security
Issue, Wifi Passwords Are Not Encrypted In Ubuntu
Systems</a>
</p>
<p style="font-size:13px;color:#555;margin:9px 0 3px
0;font-family:Georgia,Helvetica,Arial,Sans-Serif;line-height:140%;font-size:13px;"><span>Posted:</span>
30 Dec 2013 07:00 PM PST</p>
<div
style="margin:0;font-family:Georgia,Helvetica,Arial,Sans-Serif;line-height:140%;font-size:13px;color:#000000;">
<p style="text-align: justify;">Dear <strong>ubuntu</strong>
user,</p>
<p style="text-align: justify;">This article is very
important for you! Did you know that wifi passwords
are not encrypted on Ubuntu systems? They are stored
in clear text in a folder outside the home folder so
they are accessible for unwanted users.</p>
<p style="text-align: justify;">This issue has been
reported and a Canonical developer has explained in
the mailing lists how to fix it. Are you guys
curious to know what causes this issue?</p>
<p style="text-align: justify;">This issue is caused
by the fact that ‘Available To All Users’ option is
enabled by default. You can easily disable this
option from the graphical user interface and
everything will be fixed.</p>
<p style="text-align: justify;">1. Go to the network
indicator.</p>
<p style="text-align: justify;">2. Click on <strong>Edit
Connections</strong>.</p>
<p style="text-align: justify;">3. Go to <strong>Wireless</strong>.</p>
<p style="text-align: justify;"><img
moz-do-not-send="true" class="alignnone" alt="wifi
passwords are not encrypted in ubuntu systems"
src="http://linoxide.com/wp-content/uploads/2013/12/wifi_fix1.png"
height="487" width="455"></p>
<p style="text-align: justify;"><img
moz-do-not-send="true" class="alignnone" alt="wifi
passwords are not encrypted in ubuntu systems"
src="http://linoxide.com/wp-content/uploads/2013/12/wifi_fix2.png"
height="487" width="455"></p>
<p style="text-align: justify;">4. Select your
Wireless Network Connection and click on <strong>Edit</strong>.</p>
<p style="text-align: justify;"><img
moz-do-not-send="true" class="alignnone" alt="wifi
passwords are not encrypted in ubuntu systems"
src="http://linoxide.com/wp-content/uploads/2013/12/wifi_fix2.png"
height="487" width="455"></p>
<p style="text-align: justify;">5. Untick <strong>Available
To All Users</strong> option.</p>
<p style="text-align: justify;"><img
moz-do-not-send="true" class="alignnone" alt="wifi
passwords are not encrypted in ubuntu systems"
src="http://linoxide.com/wp-content/uploads/2013/12/wifi_fix3.png"
height="487" width="455"></p>
<p style="text-align: justify;"><img
moz-do-not-send="true" class="alignnone" alt="wifi
passwords are not encrypted in ubuntu systems"
src="http://linoxide.com/wp-content/uploads/2013/12/wifi_fix4.png"
height="487" width="455"></p>
<p style="text-align: justify;">6. Click on <strong>Save
</strong> and it is fixed.</p>
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<p>The post <a moz-do-not-send="true" rel="nofollow"
href="http://linoxide.com/ubuntu-how-to/wifi-passwords-encrypted-ubuntu/">Security
Issue, Wifi Passwords Are Not Encrypted In Ubuntu
Systems</a> appeared first on <a
moz-do-not-send="true" rel="nofollow"
href="http://linoxide.com">LinOxide</a>.</p>
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<p style="margin:1em 0 3px 0;">
<a moz-do-not-send="true" name="2"
style="font-family:Arial, Helvetica,
sans-serif;font-size:18px;"
href="http://feedproxy.google.com/%7Er/linoxideblog/%7E3/k68qYUlu2i4/?utm_source=feedburner&utm_medium=email">How
To Limit CPU Usage Of A Process In Linux With
cpulimit Tool</a>
</p>
<p style="font-size:13px;color:#555;margin:9px 0 3px
0;font-family:Georgia,Helvetica,Arial,Sans-Serif;line-height:140%;font-size:13px;"><span>Posted:</span>
30 Dec 2013 05:00 AM PST</p>
<div
style="margin:0;font-family:Georgia,Helvetica,Arial,Sans-Serif;line-height:140%;font-size:13px;color:#000000;">
<p style="text-align: justify;">While administering
your linux system you need to limit the CPU usage of
a process, but what is the <strong>right</strong>
tool to do it? Have you ever used <strong>cpulimit</strong>?</p>
<p style="text-align: justify;">cpulimit is a nice
command-line tool written in C programming language
for limiting the CPU usage of a process by acting on
the executable program file, absolute path name of
the file or the <strong>PID</strong> of the file.</p>
<p>The following screenshot is a nice way to inform
the reader about the <strong>cpulimit</strong>
tool.</p>
<p><img moz-do-not-send="true" class="alignnone"
alt="how to limit the cpu usage of a process in
linux with the cpulimit tool"
src="http://linoxide.com/wp-content/uploads/2013/12/cpulimit1.png"
height="456" width="726"></p>
<h2>Install The cpulimit Tool In Linux</h2>
<p>Install cpulimit in Ubuntu with the following
command.</p>
<blockquote>
<p>sudo apt-get install cpulimit</p>
</blockquote>
<p>How about installing it in <strong>Fedora</strong>?</p>
<blockquote>
<p>sudo yum install cpulimit</p>
</blockquote>
<h2>How To Use the cpulimit Tool</h2>
<p>If you want to limit the cpu usage by acting on the
executeable program file you need to use the <strong>-e</strong>
option. The <strong>-l</strong> option in the
following command is used to designate the
percentage of CPU allowed from 0 to 100.</p>
<blockquote>
<p>cpulimit -e test.exe -l 50</p>
</blockquote>
<p>Do you like to limit the cpu usage of a program or
a script running in your linux machine by acting on
the specific process id? Before doing that you need
to find the PID of the process that is using all
your CPU time with the following command.</p>
<blockquote>
<p>top</p>
</blockquote>
<p><img moz-do-not-send="true" class="alignnone"
alt="how to limit the cpu usage of a process in
linux with the cpulimit tool"
src="http://linoxide.com/wp-content/uploads/2013/12/cpulimit2.png"
height="456" width="725"></p>
<p><strong>Then</strong> use the following command.</p>
<blockquote>
<p>cpulimit -p PID -l 50</p>
</blockquote>
<p>You can also limit the cpu usage of a program by
using the cpulimit tool to act on the absolute
pathname of the program with the following command.</p>
<blockquote>
<p>cpulimit -P /usr/bin/test -l 50</p>
</blockquote>
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href="http://linoxide.com/tools/limit-cpu-usage-process-linux/">How To
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