Centos 6 Iso
solvedwas a problem with hylafax instalation/avantfax configuration, exist a difference between installation from sources or instalation from rpm, you must to set $HYLAFAXPREFIX in rh-install before install avantfax'$HYLAFAXPREFIXIf you installed HylaFAX from RPM, it may be installed in /usr while a SOURCE installation will default to /usr/local. This means that if the program sendfax is in /usr/bin/sendfax, $HYLAFAXPREFIX should be '/usr'. The same thing goes for other source installations like ghostscript and ImageMagick.' 'if install from sources HYLADIR=/usr/localalso be carefull with: chown -R apache.apache /var/www/avantfax chmod -R 0770 /var/www/avantfax/tmp /var/www/avantfax/faxes chown -R apache.uucp /var/www/avantfax/tmp /var/www/avantfax/faxesand disable SELinux in centos 6.3sed -in-place=.BAK 's:SELINUX= a-z.:SELINUX=disabled:g' /etc/selinux/configsetenforce 0now, all ok.