Author Archives: lorenzo

Tunneling SSH over an HTTP-Proxy Server

Posted on December 22, 2010 by lorenzo

1) Get corkscrew 2) Add ProxyCommand to your ~/.ssh/config file: Host * ProxyCommand corkscrew http-proxy.example.com 8080 %h %p You must change “http-proxy.example.com” with the real proxy address and replacing 8080 with the port on which the proxy listens. The %h and %p will be replaced automatically … Continue reading →

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VLC choppy playback on mkv files

Posted on August 23, 2010 by lorenzo

Try to do the following operations: Go to Preferences -> Input/Codec -> other codecs -> FFmpeg Change the “Skip the loop filter for H.264 decoding” option to All. This option makes playback smoother by slightly degrading the quality of the … Continue reading →

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Apple Macbook: No airport card installed

Posted on May 14, 2009 by lorenzo

Today when i booted my Apple Macbook 2 Ghz with Mac OS X 10.5.7 installed, i noticed that there was no wireless connection and the wireless status icon said: “No airport card installed“. Scouting on google i found this article … Continue reading →

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Handling svnserve with SMF in Solaris 10

Posted on December 17, 2008 by lorenzo

It would pritty nice to handle svnserve with the Solaris 10 Service Management Facility. Let’s start by installing the svnserve package (I got it from blastwave). Then we need the manifest XML file and the method script: svnserve.xml svnserve.sh

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Chroot Bind 9 with Solaris 10 SMF

Posted on August 24, 2008 by lorenzo

In Solaris 10 the BIND service does not run in a chroot environment by default. To remedy this security risk we will create another BIND SMF service instance which will execute named in a safe manner. The following configuration works … Continue reading →

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pkgdep – Display Solaris package’s dependencies

Posted on March 31, 2008 by lorenzo

When i was giving a lesson about Solaris i suggested to write a shell script to find package dependencies. So while the students were basking on this exercise, i wrote my pkgdep.sh. The help message is self-explanatory about the usage:

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Determine CPU and Platform Informations on Solaris

Posted on March 21, 2008 by lorenzo

Solaris has a lot of tools to gather hardware informations. Regarding the processor and platform: psrinfo isainfo isalist optisa

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Locate countries of IP addresses with Perl and GeoIP

Posted on March 20, 2008 by lorenzo

Today when i was trying to compile amule on Solaris 10 i found a dependency to MaxMind’s GeoIP. GeoIP allows you to locate the country of an IP address or domain name. When i found the perl bindings i decided … Continue reading →

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Shell Scripting and filename completition with Vim

Posted on September 26, 2007 by lorenzo

Filename completition is a great technique, to complete a filename in vim is very easy, just type Ctrl-X followed by Ctrl-F complete the filename under cursor. Vim filename completition may be problematic in shell scripting, the motivation is that in … Continue reading →

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dhclient overwrites your /etc/resolv.conf

Posted on September 25, 2007 by lorenzo

Create the file /etc/dhclient-enter-hooks and put the following line: make_resolv_conf() {}

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