Eigenjoy » Uncategorized

“who wrote this code?”

Nate Murray — Sat, 09 Feb 2008 21:10:06 +0000

I just learned a really great svn feature. Its called “svn blame”. You run it on a file and it shows you who is responsible for writing each line. For instance:

[nathan@nate ~/s3]$ svn blame app/controllers/sites_controller.rb
...
   154       nate     @category = @breadcrumbs.last
   157       nate     @points   = @category.points
  1048       nate     (@category_points_name = @points.name =~/#{@site.brand}/ ? @points.name : "%s %s" % [@site.brand.capitalize,@points.name]) if @points
   316     moises     # check for category points get parents category points if none exist
   316     moises     if !@points || @points.size < 1
   316     moises       @points = @category.root.points
   316     moises     end
   316     moises
   157       nate     @current_category_names = params[:category_names]
   146       nate
   157       nate     @products      = @category.products
   871       nate     #NOT SURE IF THIS SHOULD BE HERE
   871       nate     @products.collect { |p| p.context = @site}
   616       nate     @products.sort! {|a,b| a.offer_price <=>b.offer_price }.reverse!
   626       nate     @products.delete_if { |p| !p.display_in_category?(@category) }
   632       nate     @products.delete_if { |p| !p.should_be_shown? }
...

Notice that it shows the revision number on the left along with who is responsible for each piece of code.

determining ssh fingerprint for a server

brian — Sat, 09 Feb 2008 21:00:14 +0000

I have been trying to figure out for a while how to determine the fingerprint of a server. I knew that doing ssh-keygen -l -f id_rsa.pub would yield a fingerprint, but I couldn’t figure out where the fingerprint was kept on a server. I don’t know why this was so hard for me to figure out. No amount of googling seemed to be helping me. But after simply doing a `man ssh` on the server, and then searching for the first appearance of “fingerprint” I found this:

When connecting to a server for the first time, a fingerprint of the server’s public key is presented to the user (unless the option StrictHostKeyChecking has been disabled). Fingerprints can be determined using ssh-keygen(1):
            $ ssh-keygen -l -f /etc/ssh/ssh_host_rsa_key 
If the fingerprint is already known, it can be matched and verified, and the key can be accepted. If the fingerprint is unknown, an alternative method of verification is available: SSH fingerprints verified by DNS. An additional resource record (RR), SSHFP, is added to a zonefile and the connecting client is able to match the fingerprint with that of the key presented.

*Note* that the file is different on a mac, but doing the same man lookup will tell you where it is. Sorry if most of you already knew this.
Happy ssh’ng
-Brian

fantastic screenshot and screencast program for mac or windows

Nate Murray — Thu, 07 Feb 2008 19:30:04 +0000

http://www.jingproject.com/ This app is fantastic for screenshots and screencasts. (Also does annotations). Sample image attached.