On 04/15/11 7:40 PM, Michel Donais wrote: >>> Will it be the same from 5.6 to 6.0 or a full install will be better. >> Full installs are always recommended between major versions. > > Thank's all for the advise; but is there any easy way to install a newer > version while keeping all configuration changes that have been made on a > previous one as for 'sendmail', 'sshd.conf','firewalls', etc... have all your configuration under a change management system, with an at least semi-automated installation procedure, such as kickstart.