Ganglia is a monitoring framework for clusters of servers. It records many statistics and can record custom defined ones too. It works in a distributed manner, with each machine you wish to collect statistics for running the Ganglia monitor deamon, gmond. Each monitoring deamon’s statistics are collected by a metadata daemon, gmetad, running on either [...]
Here is an link from digg.com, Tuning LAMP systems, Part 2: Optimizing Apache and PHP Tuning LAMP systems, Part 2: Optimizing Apache and PHP
sed -i ’s/abc/xyz/g’ *.php This command is used for mass replacemet using regular expression. In the above command “abc” is replace with “xyz” from all the files extension “php”. find /var/www/html/sch_admin/ -mtime -1 This command is used to list all the files within the specified folder,say “var/www/html/sch_admin/”, which have been created or modified within the period specified,say “-1″ which [...]