Hi and thank you for your answer, but nothing, I tried what you suggested me and this is the result: The file /usr/share/rhn/RHNS-CA-CERT has already been updated. No further action is necessary. Any other suggestion will be very appreciated Thnak you again for your help Joaquin Corchero "Thomas Steudten" <alpha@xxxxxxxxxxxx> wrote in message news:40056CD9.8010705@xxxxxxxxxxxxxxx > > > From RedHat Support: > > > > Try wget -q -O - https://rhn.redhat.com/help/new-cert.sh | /bin/bash > Welcome to the world of new viruses and trojans.. > Please check the contents of the shell-script before, AND never, never .. > do this as root from which server ever. > > - > : send the line "unsubscribe linux-admin" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > - : send the line "unsubscribe linux-admin" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html