Hello again I had some time and was able to fix the problem.
I changed these 2 lines: printf "/var/cache/munin/www/%s/(index\\.html|%s/[-_[:alnum:]]+\\.(png|html))$ f VarFile" "${DOMAIN}\\n" "${DHOST}" printf "/var/lib/munin/%s/%s-.*\\.rrd$ f VarFile" "${DOMAIN}" "${DHOST}\\n" to this: printf "/var/cache/munin/www/%s/(index\\.html|%s/[-_[:alnum:]]+\\.(png|html))$ f VarFile\\n" "${DOMAIN}" "${DHOST}" printf "/var/lib/munin/%s/%s-.*\\.rrd$ f VarFile\\n" "${DOMAIN}" "${DHOST}" Now it works ... Jochen -- ZX81 - C64 - Amiga - x86-Linux - iMac (OS X)