ruby remote ssh cmd example

sshcmd.rb

require 'net/ssh'

server = 'mem.sysarcana.com'
user = 'root'
pass = 'password'
command = 'uptime'

Net::SSH.start(server, user, :password => pass) do |session|
  stdout = ''
  stderr = ''
  exit_code = nil

  session.open_channel do |channel|
    channel.on_data { |c, d| stdout += d }
    channel.on_extended_data { |c, d| stderr += d }
    channel.on_request('exit-status') { |c, d| exit_code = d.read_long }
    channel.exec(command)
  end
  session.loop
  p [ stdout, stderr, exit_code ]
end