First yum update after install issabel-2.5 I get error
warning: rpmts_HdrFromFdno: Header V3 DSA signature: NOKEY, key ID 6b8d79e6 iperfex/gpgkey | 1.7 kB 00:00 Importing GPG key 0x3D4CB3A1 "Federico Pereira (iPERFEX RPMs repository) <fpereira@iperfex.com>" from http://packages.iperfex.com/RPM-GPG-KEY-iperfex-repository Is this ok [y/N]: y
Public key for php-pear-db-1.7.13-2.el5.rf.noarch.rpm is not installed
Hi, There has been an issue with the iperfex repo, the owners are working on restablishing it but in the meanwhile you can use yum disabling it temporarily:
yum update --disablerepo=iperfex