Archive | March, 2013

Install RVM on OS X with Brew

I had followed Darkoperator’s Metasploit Framework for Mountain Lion Guide back in July of 2012. After doing a ‘brew update && brew upgrade’ the recent stable release of ruby-2.0.0.p0 breaks ‘msfconsole’. A simply way to resolve this is to remove ruby from Homebrew and install RVM for ruby version management.

ruby -v
brew doctor
brew uninstall ruby
brew remove --force ruby

\curl -#L | bash -s stable --ruby
source /User/<account name>/.rvm/scripts/rvm
cat ~/.bash_profile

rvm install 1.9.3
rvm --default 1.9.3

rvm list
ruby -v

Line 1 shows the current version of ruby. Run Line 2 to make sure ‘Your system is raring to brew.’ Line 3 uninstalls ruby and Line 4 removes the files from the ‘/usr/local/Cellar/’. Line 6 installs RVM with the latest stable version of Ruby. Line 7 loads RVM into the active shell session as a function (replace <account name> with your user account; if you’re not sure .. use ‘whoami’). Use Line 8 to check that RVM will loads automatically when you open a new terminal, otherwise you will have to run Line 7 each time:

[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm"

Line 10 installs ruby-1.9.3-p393 and the following line sets the current && default ruby version in the bash prompt to 1.9.3 with the last command verifying the current version of ruby.

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Configure VPN in Kali Linux

VPN is not installed by default in Kali Linux; here are the commands:

apt-get install network-manager-openvpn-gnome
apt-get install network-manager-pptp
apt-get install network-manager-pptp-gnome
apt-get install network-manager-strongswan
apt-get install network-manager-vpnc
apt-get install network-manager-vpnc-gnome

/etc/init.d/network-manager restart


Carlosbaila Marina Abramovic Meets Ulay Marina

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Marina Abramovic meets Ulay

“Marina Abramovic and Ulay started an intense love story in the 70s, performing art out of the van they lived in. When they felt the relationship had run its course, they decided to walk the Great Wall of China, each from one end, meeting for one last big hug in the middle and never seeing each other again. at her 2010 MoMa retrospective Marina performed ‘The Artist Is Present’ as part of the show, a minute of silence with each stranger who sat in front of her. Ulay arrived without her knowing it and this is what happened.”

“En los años 70, Marina Abramovic mantuvo una intensa historia de amor con Ulay. Pasaron 5 años viviendo en una furgoneta realizando toda clase de performances. En 1988, cuando su relación ya no daba para más, decidieron recorrer la Gran Muralla China, empezando cada uno de un lado, para encontrarse en el medio, abrazarse y no volver a verse nunca más. En 2010 el MoMa de Nueva York dedicó una retrospectiva a su obra. Dentro de la misma, Marina compartía un minuto en silencio con cada extraño que se sentaba frente a ella. Ulay llegó sin que ella lo supiera, y esto fue lo que pasó”

geohot IRC Quote

George Hotz is known for unlocking the original iPhone and hacking the PS3 is now studying at Carnegie Mellon University. has ridiculous quotes from IRC and around the computer science campus – #3936:

amwatson: George, you have to start working on the assignment! If you don’t, you won’t have time to run on the supercomputer!
geohot: Don’t worry. I have my own supercomputer!
amwatson: …You have your own 256-core machine?
geohot: Yeah! Well, I have a botnet…

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Vortex Planetary Motion Around the Sun

Since the Sun moves relative to the other stars around it at about 45,000 miles/hr, if you change the frame of reference from the Sun to the surrounding stellar system, you get planetary motion that looks something like this:

I would take this video with a grain of salt though, especially when it says things like “the Sun is like a comet, dragging the planets in its wake”…the planets don’t lag behind the Sun. Better to think of the thing as a conceptual schematic: resembling reality but not really accurate.

There’s a new version of the video that addresses some of the concerns raised about the first video (seen above):