The 2000 year old computer

Post by: tom on December 18th, 2008 | File Under Science
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An ancient computer from Greek technology has been recreated in London.
The scientists were able to rebuild the Antikythera mechanism.
__
more to read and found at newscientist.com


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Changing file permissions recursive

Post by: tom on November 6th, 2008 | File Under Memento

Just a note for myself (because I always forget):

# change permissions for files in current directory (and all sub-directories):
find ./ -type f -exec chmod 644 {} \;

# change permissions for directories in current directory (and all sub-directories):
find ./ -type d -exec chmod 755 {} \;


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USA 2008 Elections – a sweet parody

Post by: tom on October 8th, 2008 | File Under Fun, Politics
Tags: , , ,



Nothing else to say; found at http://pics.nase-bohren.de


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Fixing Astaro 7.202 (when upgrade fails)

Post by: tom on September 24th, 2008 | File Under Security
Tags: ,

again
if upgrading from ASG 7.202 to newer versions fails, apply the following fix [as root]:

auisys.plx --rpmargs --force

Maybe you’ll have to stay calm until your up2date packages get “re-new-ed” .. so, wait a few days if first try fails.


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VMware Server 1.0.7 released

Post by: tom on September 3rd, 2008 | File Under Security, VMware, Virtualization

A few days ago, VMware Server 1.0.7 has been released.
The update mainly cares about security issues:

  • Security Fix for VMware ISAPI Extension
  • Setting ActiveX killbit
  • Security Fix for Local Privilege Escalation on Host System
  • Update to Freetype 2.3.7

More info can be found in VMware’s Release Notes


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When console columns and lines are not enough

Post by: tom on September 3rd, 2008 | File Under Distributions, Memento, Multimedia
Tags: , ,

If you want to use a higher resolution on your linux console, you have to add the specific option while loading the kernel.
i.e: kernel /vmlinuz-2.6.25 root=/dev/sda3 resume=/dev/sda2 vga=0×0325

Problem: The settings differ depending on your graphics card.
But: There is an easy way: hwinfo

[ sudo ] hwinfo −−framebuffer

Example output:
Mode 0×0307: 1280×1024 (+1280), 8 bits
Mode 0x031a: 1280×1024 (+2560), 16 bits
Mode 0x031b: 1280×1024 (+5120), 24 bits
Mode 0×0305: 1024×768 (+1024), 8 bits
Mode 0×0317: 1024×768 (+2048), 16 bits
Mode 0×0318: 1024×768 (+4096), 24 bits
Mode 0×0312: 640×480 (+2560), 24 bits
Mode 0×0314: 800×600 (+1600), 16 bits
Mode 0×0315: 800×600 (+3200), 24 bits
Mode 0×0301: 640×480 (+640), 8 bits
Mode 0×0303: 800×600 (+832), 8 bits
Mode 0×0311: 640×480 (+1280), 16 bits

Thanks to Gerd [de] for the hint.


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Fixing Astaro 7.200 (when upgrade fails)

Post by: tom on September 2nd, 2008 | File Under Security
Tags: , , ,

If upgrading from ASG 7.200 to newer versions fails, apply the following fix [as root]:

rpm -q ep-asg && cd /tmp && wget http://www.astaro.com/content/download/5618/51408/version/1/file/ep-asg-7.2-23.i686.rpm && rpm -Uvh /tmp/ep-asg-7.2-23.i686.rpm


More info at Astaro Knowledge Base Article #288713.


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improve your typing speed

Post by: tom on August 26th, 2008 | File Under Fun

nice idea -> while testing your skills, you learn to write the most used words faster.

88 words
 

Speedtest (english)

Speedtest (german)

Speedtest (german, v2)


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SUSE Linux 10.1 discontinued and out of support

Post by: tom on August 21st, 2008 | File Under Distributions, Security
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SUSE Linux 10.1 has reached End of Life : /

 
Quote from the opensuse-security-announce mailing list:

With the release of an mysql security fix on August 13 we have released
the last update for SUSE Linux 10.1. (Actually 10.1 was discontinued on
May 31st, but the queue took a bit longer to flush from all updates.)

 
See: http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00004.html


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Critical Bug in Joomla 1.5.5 (and older 1.5.x versions)

Post by: tom on August 18th, 2008 | File Under Security, Webapps
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The password of the user with the lowest ID (typically an administrator) can be reset by an unauthorized user in Joomla 1.5.x installations prior version 1.5.6 because of a bug in the password remind functionality.

All 1.5.x installations prior to and including 1.5.5 are affected

The Joomla developer team advises to upgrade to 1.5.6 (or patch the /components/com_user/models/reset.php file with the code below).

After global $mainframe; on line 113 of reset.php, add:

if(strlen($token) != 32) {
    $this->setError(JText::_('INVALID_TOKEN'));
    return false;
}


 
See: Joomla! Developer – Password Remind Functionality


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