(FreeBSD) Once you've made the snapshot you can resume any stopped services and then back up the file system (using the snapshot) without having to worry about changed files. When finished, the snapshot can be removed : umount /mnt mdconfig -d -u 1 rm /var/.snap/snap_var_`date "+%Y-%m-%d"`
Once you know the available frequencies for your CPU, they can be used to do things like set minimum CPU frequency for powerd so that it doesn't ramp down too slow on a server : /etc/sysctl.conf or /boot/loader.conf: debug.cpufreq.lowest=DESIRED FREQ HERE or at terminal sysctl debug.cpufreq.lowest=DESIRED FREQ HERE Show Sample Output
also search with aptitude search '~c'
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