Ftp Temp Error
If you get an error like this when trying to upload files via FTP:
A Net::FTPTempError occurred in some_class#some_method:
425 Unable to build data connection: Connection timed out
/usr/lib/ruby/1.8/net/ftp.rb:241:in `getresp'
You may notice that a blank file is created on the remote server, but the data is never transferred.
To solve, try using passive mode:
ftp = Net::FTP.open("ftp.domain.com") do |ftp|
ftp.login
ftp.passive = true
# do ftp stuff
end