Scanner de puertos online
https://pentest-tools.com/network-vulnerability-scanning/tcp-port-scanner-online-nmap
http://ping.eu/port-chk/
Medidor de Velocidad HTML5
http://speedof.me
Animación de Retardo de Transmisión
http://www.ccs-labs.org/teaching/rn/animations/
Restaurar password VCenter VMWare
http://aprendiendoavirtualizar.com/resetear-password-root-en-virtual-appliance-vcenter/