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This obey that you don't match any broadcast or network addresses and stay between 126.96.36.199 - 254.254.254.254
missed the last char thanks @Josay
dsh - Distributed shell, or dancer?s shell ;-)
you can put your servers into /etc/dsh/machines.list than you don't have to serperate them by commata or group them in different files and only run commands for this groups
dsh -M -c -a -- "apt-get update"
Alter "AddHandler php5-cgi .php" and "AddHandler php4-cgi .php" entries to new "AddHandler x-httpd-php5 .php" respective php4 entries in all .htaccess files under /var/www
allows you to use floating point operations in shell scripts