[Lugor] Fwd: ExpertsLogIn: Security Issue, Wifi Passwords Are Not Encrypted In Ubuntu Systems

Do Jan 2 12:56:04 CET 2014

Hallo Zusammen und ein Frohes Neues Jahr !

Wann ist denn die nächste Versammlung im Harlos ?

Viele Grüße,

Christoph

On Thu, 02 Jan 2014 09:08:03 +0100
  Stefan Abeln <s.abeln at freenet.de> wrote:
> Moin zusammen,
> 
> hier ist ein Artikel, der für einige von euch 
>interessant sein könnte.
> 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.
> 
> VG
> 
> Stefan
> 
> 
> -------- Original-Nachricht --------
> Betreff: 	ExpertsLogIn: Security Issue, Wifi Passwords 
>Are Not Encrypted
> In Ubuntu Systems
> Datum: 	Tue, 31 Dec 2013 09:52:18 +0000
> Von: 	LinOxide <info at expertslogin.com>
> An: 	s.abeln at freenet.de
> 
> 
> 
> LinOxide
> 
> 
>  ExpertsLogIn: Security Issue, Wifi Passwords Are Not 
>Encrypted In
>  Ubuntu Systems <http://linoxide.com>
> 
> 	
> 
> ------------------------------------------------------------------------
> 
> Security Issue, Wifi Passwords Are Not Encrypted In 
>Ubuntu Systems
> <http://feedproxy.google.com/%7Er/linoxideblog/%7E3/vnh6FIHb8zY/?utm_source=feedburner&utm_medium=email>
> 
> 
> Posted: 30 Dec 2013 07:00 PM PST
> 
> Dear *ubuntu* user,
> 
> 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.
> 
> 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?
> 
> 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.
> 
> 1. Go to the network indicator.
> 
> 2. Click on *Edit Connections*.
> 
> 3. Go to *Wireless*.
> 
> wifi passwords are not encrypted in ubuntu systems
> 
> wifi passwords are not encrypted in ubuntu systems
> 
> 4. Select your Wireless Network Connection and click on 
>*Edit*.
> 
> wifi passwords are not encrypted in ubuntu systems
> 
> 5. Untick *Available To All Users* option.
> 
> wifi passwords are not encrypted in ubuntu systems
> 
> wifi passwords are not encrypted in ubuntu systems
> 
> 6. Click on *Save * and it is fixed.
> 
> 
>      You May Like Below Topics
> 
>  * How To Backup Your Files With Pybackpack Tool
>    <http://linoxide.com/ubuntu-how-to/backup-files-pybackpack-tool/>
>  * Setup Mts Mblaze Wireless Internet Connection In 
>Ubuntu
>    <http://linoxide.com/ubuntu-how-to/setup-mts-mblaze-wireless-internet-connection-in-ubuntu/>
>  * Linux Ssh Configuration And How To Disable Ssh Direct 
>Root…
>    <http://linoxide.com/how-tos/disable-ssh-direct-login/>
>  * How To Bulk Rename Files And Folders In Ubuntu
>    <http://linoxide.com/ubuntu-how-to/bulk-rename-files-folders-ubuntu/>
>  * Semaphore error (semget) – Apache crash
>    <http://linoxide.com/webserver/semaphore-error-semget-apache-crash/>
> 
> The post Security Issue, Wifi Passwords Are Not 
>Encrypted In Ubuntu
> Systems
> <http://linoxide.com/ubuntu-how-to/wifi-passwords-encrypted-ubuntu/>
> appeared first on LinOxide <http://linoxide.com>.
> 
> How To Limit CPU Usage Of A Process In Linux With 
>cpulimit Tool
> <http://feedproxy.google.com/%7Er/linoxideblog/%7E3/k68qYUlu2i4/?utm_source=feedburner&utm_medium=email>
> 
> 
> Posted: 30 Dec 2013 05:00 AM PST
> 
> While administering your linux system you need to limit 
>the CPU usage of
> a process, but what is the *right* tool to do it? Have 
>you ever used
> *cpulimit*?
> 
> 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 
>*PID* of the file.
> 
> The following screenshot is a nice way to inform the 
>reader about the
> *cpulimit* tool.
> 
> how to limit the cpu usage of a process in linux with 
>the cpulimit tool
> 
> 
>    Install The cpulimit Tool In Linux
> 
> Install cpulimit in Ubuntu with the following command.
> 
>    sudo apt-get install cpulimit
> 
> How about installing it in *Fedora*?
> 
>    sudo yum install cpulimit
> 
> 
>    How To Use the cpulimit Tool
> 
> If you want to limit the cpu usage by acting on the 
>executeable program
> file you need to use the *-e* option. The *-l* option in 
>the following
> command is used to designate the percentage of CPU 
>allowed from 0 to 100.
> 
>    cpulimit -e test.exe -l 50
> 
> 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.
> 
>    top
> 
> how to limit the cpu usage of a process in linux with 
>the cpulimit tool
> 
> *Then* use the following command.
> 
>    cpulimit -p PID -l 50
> 
> 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.
> 
>    cpulimit -P /usr/bin/test -l 50
> 
> 
>      You May Like Below Topics
> 
>  * Monitor Your Ubuntu System With Conky Tool
>    <http://linoxide.com/ubuntu-how-to/monitor-ubuntu-system-conky/>
>  * How To Install gscan2pdf In Ubuntu to Produce Pdf
>    <http://linoxide.com/tools/install-gscan2pdf-ubuntu/>
>  * How To Monitor Network Load in Ubuntu With slurm Tool
>    <http://linoxide.com/ubuntu-how-to/monitor-network-load-slurm-tool/>
>  * Visualize System’s Activity With ranwhen.py Tool in…
>    <http://linoxide.com/ubuntu-how-to/visualize-systems-activity-ranwhen-py-tool/>
>  * Linux – Limit Process At User Level
>    <http://linoxide.com/linux-command/linux-limit-process-at-user-level/>
> 
> The post How To Limit CPU Usage Of A Process In Linux 
>With cpulimit Tool
> <http://linoxide.com/tools/limit-cpu-usage-process-linux/> 
>appeared
> first on LinOxide <http://linoxide.com>.
> 
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