Module: Kytoon::SshUtil

Defined in:
lib/kytoon/ssh_util.rb

Class Method Summary collapse

Class Method Details

.remove_known_hosts_ip(ip, known_hosts_file = File.join(ENV['HOME'], ".ssh", "known_hosts")) ⇒ Object 



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# File 'lib/kytoon/ssh_util.rb', line 5

def self.remove_known_hosts_ip(ip, known_hosts_file=File.join(ENV['HOME'], ".ssh", "known_hosts"))

  return if ip.nil? or ip.empty?
  return if not FileTest.exist?(known_hosts_file)

  existing=IO.read(known_hosts_file)
  File.open(known_hosts_file, 'w') do |file|
    existing.each_line do |line|
      if not line =~ Regexp.new("^#{ip}.*$") then
          file.write(line)
      end
    end
  end

end