Set UseDNS to no on RedHat machine to prevent hanging on "vagrant up" and auto extend Windows trial

Vagrantfile

config.trigger.before :up do |trigger|
  trigger.ruby do |env, machine|
    if machine.name.to_s == app1
      trigger.info = "Disabling DNS reverse lookup in SSHD."
      if Vagrant::Util::Platform.windows?
        pid = spawn("ping -n 61 127.0.0.1 > nul && for /F \"tokens=1,2 delims= \" %i in ('\"VBoxManage list runningvms | findstr /R /C:\"#{machine.name}\"\"') do VBoxManage --nologo guestcontrol %j --username root --password vagrant start --exe \"/usr/bin/sh\" -- sh/arg0 -c \"/usr/bin/sed -ie 's/\\(#\\)\\{0,1\\}UseDNS yes/UseDNS no/g' /etc/ssh/sshd_config && /usr/bin/systemctl restart sshd\" --wait-stdout\" ")
      else
        pid = spawn("sleep 30 && VBoxManage --nologo guestcontrol $(VBoxManage list runningvms | grep \"#{machine.name}\" | cut -d \" \" -f 2) --username root --password vagrant start --exe \"/usr/bin/sh\" -- sh/arg0 -c \"/usr/bin/sed -ie 's/\\(#\\)\\{0,1\\}UseDNS yes/UseDNS no/g' /etc/ssh/sshd_config && /usr/bin/systemctl restart sshd\" --wait-stdout ")
      end
      puts "UseDNS=no and SSHD daemon restarted with pid #{pid.to_s}."
    end
  end
end

config.trigger.after :up do |trigger|
  trigger.ruby do |env, machine|
    if machine.name.to_s == db1
      trigger.info = "Rearming Windows machine."
      pid = spawn("VBoxManage --nologo guestcontrol #{machine.id} --username Administrator --password vagrant start --exe \"cscript.exe\" -- cscript.exe/arg0 \"\"slmgr.vbs /rearm\"\" ")
      puts "Machine rearmed with pid #{pid.to_s}."
    end
  end
end