network connectivity troubleshooting...

get.rb

load '~/.irbrc'     # dotfiles.org/~brendano/.irbrc
require 'hpricot'
sites=[]
for url in [
  "http://www.alexa.com/site/ds/top_sites?ts_mode=lang〈=en"]

  h = Hpricot open(url).read
  sites += (h/'h3'/'a').map{|x| x['href']}
end

puts sites.join("\n")

log1

FAILED	www.4shared.com
FAILED	www.888.com
FAILED	www.about.com
FAILED	www.adultadworld.com
FAILED	www.aim.com
FAILED	www.amazon.com
FAILED	www.aol.com
FAILED	www.apple.com
FAILED	www.cnn.com
FAILED	www.ebay.co.uk
FAILED	www.ebay.com
FAILED	www.hp.com
FAILED	www.icq.com
FAILED	www.imagevenue.com
FAILED	www.imdb.com
FAILED	www.microsoft.com
FAILED	www.msn.com
FAILED	www.multiply.com
FAILED	www.nytimes.com
FAILED	www.perfspot.com
FAILED	www.realitykings.com
FAILED	www.torrentz.com
FAILED	www.weather.com
WORKED	www.adobe.com
WORKED	www.adultfriendfinder.com
WORKED	www.badongo.com
WORKED	www.bbc.co.uk
WORKED	www.bebo.com
WORKED	www.blogger.com
WORKED	www.brazzers.com
WORKED	www.clicksor.com
WORKED	www.cnet.com
WORKED	www.comcast.net
WORKED	www.craigslist.org
WORKED	www.dailymotion.com
WORKED	www.depositfiles.com
WORKED	www.deviantart.com
WORKED	www.digg.com
WORKED	www.doubleclick.com
WORKED	www.download.com
WORKED	www.easy-share.com
WORKED	www.espn.go.com
WORKED	www.facebook.com
WORKED	www.fastclick.com
WORKED	www.filefactory.com
WORKED	www.flickr.com
WORKED	www.fotolog.net
WORKED	www.friendster.com
WORKED	www.gamespot.com
WORKED	www.geocities.com
WORKED	www.gmx.net
WORKED	www.go.com
WORKED	www.google.ca
WORKED	www.google.co.id
WORKED	www.google.co.in
WORKED	www.google.co.th
WORKED	www.google.co.uk
WORKED	www.google.co.za
WORKED	www.google.com
WORKED	www.google.com.au
WORKED	www.hi5.com
WORKED	www.ign.com
WORKED	www.imageshack.us
WORKED	www.imeem.com
WORKED	www.information.com
WORKED	www.isohunt.com
WORKED	www.live.com
WORKED	www.livejasmin.com
WORKED	www.mediafire.com
WORKED	www.megarotic.com
WORKED	www.megaupload.com
WORKED	www.metacafe.com
WORKED	www.metroflog.com
WORKED	www.mininova.org
WORKED	www.mozilla.com
WORKED	www.myspace.com
WORKED	www.nba.com
WORKED	www.netlog.com
WORKED	www.orkut.com
WORKED	www.partypoker.com
WORKED	www.photobucket.com
WORKED	www.pornhub.com
WORKED	www.rapidshare.com
WORKED	www.rediff.com
WORKED	www.redtube.com
WORKED	www.reference.com
WORKED	www.soso.com
WORKED	www.sourceforge.net
WORKED	www.studiverzeichnis.com
WORKED	www.thepiratebay.org
WORKED	www.tinypic.com
WORKED	www.usercash.com
WORKED	www.veoh.com
WORKED	www.vnexpress.net
WORKED	www.wordpress.com
WORKED	www.yahoo.com
WORKED	www.youporn.com
WORKED	www.yourfilehost.com
WORKED	www.youtube.com
WORKED	www.zshare.net

log2

FAILED	www.888.com
FAILED	www.about.com
FAILED	www.adultadworld.com
FAILED	www.aim.com
FAILED	www.amazon.com
FAILED	www.aol.com
FAILED	www.apple.com
FAILED	www.cnn.com
FAILED	www.ebay.co.uk
FAILED	www.ebay.com
FAILED	www.hp.com
FAILED	www.icq.com
FAILED	www.imagevenue.com
FAILED	www.imdb.com
FAILED	www.microsoft.com
FAILED	www.msn.com
FAILED	www.multiply.com
FAILED	www.perfspot.com
FAILED	www.realitykings.com
FAILED	www.torrentz.com
WORKED	www.4shared.com
WORKED	www.adobe.com
WORKED	www.adultfriendfinder.com
WORKED	www.badongo.com
WORKED	www.bbc.co.uk
WORKED	www.bebo.com
WORKED	www.blogger.com
WORKED	www.brazzers.com
WORKED	www.clicksor.com
WORKED	www.cnet.com
WORKED	www.comcast.net
WORKED	www.craigslist.org
WORKED	www.dailymotion.com
WORKED	www.depositfiles.com
WORKED	www.deviantart.com
WORKED	www.digg.com
WORKED	www.doubleclick.com
WORKED	www.download.com
WORKED	www.easy-share.com
WORKED	www.espn.go.com
WORKED	www.facebook.com
WORKED	www.fastclick.com
WORKED	www.filefactory.com
WORKED	www.flickr.com
WORKED	www.fotolog.net
WORKED	www.friendster.com
WORKED	www.gamespot.com
WORKED	www.geocities.com
WORKED	www.gmx.net
WORKED	www.go.com
WORKED	www.google.ca
WORKED	www.google.co.id
WORKED	www.google.co.in
WORKED	www.google.co.th
WORKED	www.google.co.uk
WORKED	www.google.co.za
WORKED	www.google.com
WORKED	www.google.com.au
WORKED	www.hi5.com
WORKED	www.ign.com
WORKED	www.imageshack.us
WORKED	www.imeem.com
WORKED	www.information.com
WORKED	www.isohunt.com
WORKED	www.live.com
WORKED	www.livejasmin.com
WORKED	www.mediafire.com
WORKED	www.megarotic.com
WORKED	www.megaupload.com
WORKED	www.metacafe.com
WORKED	www.metroflog.com
WORKED	www.mininova.org
WORKED	www.mozilla.com
WORKED	www.myspace.com
WORKED	www.nba.com
WORKED	www.netlog.com
WORKED	www.nytimes.com
WORKED	www.orkut.com
WORKED	www.partypoker.com
WORKED	www.photobucket.com
WORKED	www.pornhub.com
WORKED	www.rapidshare.com
WORKED	www.rediff.com
WORKED	www.redtube.com
WORKED	www.reference.com
WORKED	www.soso.com
WORKED	www.sourceforge.net
WORKED	www.studiverzeichnis.com
WORKED	www.thepiratebay.org
WORKED	www.tinypic.com
WORKED	www.usercash.com
WORKED	www.veoh.com
WORKED	www.vnexpress.net
WORKED	www.weather.com
WORKED	www.wordpress.com
WORKED	www.yahoo.com
WORKED	www.youporn.com
WORKED	www.yourfilehost.com
WORKED	www.youtube.com
WORKED	www.zshare.net

log3

FAILED	www.888.com
FAILED	www.about.com
FAILED	www.adultadworld.com
FAILED	www.aim.com
FAILED	www.amazon.com
FAILED	www.aol.com
FAILED	www.cnn.com
FAILED	www.ebay.co.uk
FAILED	www.ebay.com
FAILED	www.hp.com
FAILED	www.icq.com
FAILED	www.imagevenue.com
FAILED	www.imdb.com
FAILED	www.microsoft.com
FAILED	www.msn.com
FAILED	www.multiply.com
FAILED	www.perfspot.com
FAILED	www.realitykings.com
FAILED	www.torrentz.com
FAILED	www.weather.com
WORKED	www.4shared.com
WORKED	www.adobe.com
WORKED	www.adultfriendfinder.com
WORKED	www.apple.com
WORKED	www.badongo.com
WORKED	www.bbc.co.uk
WORKED	www.bebo.com
WORKED	www.blogger.com
WORKED	www.brazzers.com
WORKED	www.clicksor.com
WORKED	www.cnet.com
WORKED	www.comcast.net
WORKED	www.craigslist.org
WORKED	www.dailymotion.com
WORKED	www.depositfiles.com
WORKED	www.deviantart.com
WORKED	www.digg.com
WORKED	www.doubleclick.com
WORKED	www.download.com
WORKED	www.easy-share.com
WORKED	www.espn.go.com
WORKED	www.facebook.com
WORKED	www.fastclick.com
WORKED	www.filefactory.com
WORKED	www.flickr.com
WORKED	www.fotolog.net
WORKED	www.friendster.com
WORKED	www.gamespot.com
WORKED	www.geocities.com
WORKED	www.gmx.net
WORKED	www.go.com
WORKED	www.google.ca
WORKED	www.google.co.id
WORKED	www.google.co.in
WORKED	www.google.co.th
WORKED	www.google.co.uk
WORKED	www.google.co.za
WORKED	www.google.com
WORKED	www.google.com.au
WORKED	www.hi5.com
WORKED	www.ign.com
WORKED	www.imageshack.us
WORKED	www.imeem.com
WORKED	www.information.com
WORKED	www.isohunt.com
WORKED	www.live.com
WORKED	www.livejasmin.com
WORKED	www.mediafire.com
WORKED	www.megarotic.com
WORKED	www.megaupload.com
WORKED	www.metacafe.com
WORKED	www.metroflog.com
WORKED	www.mininova.org
WORKED	www.mozilla.com
WORKED	www.myspace.com
WORKED	www.nba.com
WORKED	www.netlog.com
WORKED	www.nytimes.com
WORKED	www.orkut.com
WORKED	www.partypoker.com
WORKED	www.photobucket.com
WORKED	www.pornhub.com
WORKED	www.rapidshare.com
WORKED	www.rediff.com
WORKED	www.redtube.com
WORKED	www.reference.com
WORKED	www.soso.com
WORKED	www.sourceforge.net
WORKED	www.studiverzeichnis.com
WORKED	www.thepiratebay.org
WORKED	www.tinypic.com
WORKED	www.usercash.com
WORKED	www.veoh.com
WORKED	www.vnexpress.net
WORKED	www.wordpress.com
WORKED	www.yahoo.com
WORKED	www.youporn.com
WORKED	www.yourfilehost.com
WORKED	www.youtube.com
WORKED	www.zshare.net

ping.rb

# ruby ping.rb |egrep 'FAIL|WORK' > log

require 'thread'
results = []
threads = []
for u in File.read("top100").split
  domain = u.sub(%r[http.*?://],"")
  threads << Thread.new do
    d2=domain
    worked = system "ping -t 3 #{d2}"
    results << [worked ? 'WORKED' : 'FAILED', d2]
  end
end
threads.each{|t| t.join}
puts results.sort.map{|x| x.join("\t")}.join("\n")

top100

http://www.yahoo.com
http://www.google.com
http://www.youtube.com
http://www.live.com
http://www.msn.com
http://www.myspace.com
http://www.facebook.com
http://www.blogger.com
http://www.orkut.com
http://www.rapidshare.com
http://www.microsoft.com
http://www.google.co.in
http://www.ebay.com
http://www.hi5.com
http://www.aol.com
http://www.google.co.uk
http://www.photobucket.com
http://www.amazon.com
http://www.imdb.com
http://www.imageshack.us
http://www.youporn.com
http://www.wordpress.com
http://www.flickr.com
http://www.friendster.com
http://www.adultfriendfinder.com
http://www.go.com
http://www.bbc.co.uk
http://www.craigslist.org
http://www.dailymotion.com
http://www.redtube.com
http://www.cnn.com
http://www.mininova.org
http://www.google.ca
http://www.fotolog.net
http://www.imagevenue.com
http://www.espn.go.com
http://www.rediff.com
http://www.adobe.com
http://www.apple.com
http://www.yourfilehost.com
http://www.veoh.com
http://www.perfspot.com
http://www.deviantart.com
http://www.about.com
http://www.megaupload.com
http://www.metroflog.com
http://www.fastclick.com
http://www.clicksor.com
http://www.geocities.com
http://www.google.co.id
http://www.ebay.co.uk
http://www.mediafire.com
http://www.partypoker.com
http://www.gamespot.com
http://www.download.com
http://www.nytimes.com
http://www.google.com.au
http://www.weather.com
http://www.thepiratebay.org
http://www.ign.com
http://www.bebo.com
http://www.depositfiles.com
http://www.adultadworld.com
http://www.nba.com
http://www.zshare.net
http://www.digg.com
http://www.4shared.com
http://www.aim.com
http://www.netlog.com
http://www.studiverzeichnis.com
http://www.isohunt.com
http://www.comcast.net
http://www.doubleclick.com
http://www.sourceforge.net
http://www.usercash.com
http://www.badongo.com
http://www.cnet.com
http://www.google.co.th
http://www.easy-share.com
http://www.pornhub.com
http://www.megarotic.com
http://www.imeem.com
http://www.gmx.net
http://www.metacafe.com
http://www.reference.com
http://www.information.com
http://www.multiply.com
http://www.888.com
http://www.livejasmin.com
http://www.realitykings.com
http://www.torrentz.com
http://www.google.co.za
http://www.soso.com
http://www.mozilla.com
http://www.filefactory.com
http://www.icq.com
http://www.brazzers.com
http://www.tinypic.com
http://www.vnexpress.net
http://www.hp.com