more interesting packages in openwrt kamikaze
openwrt kamikaze is a linux distribution that works with wireless routers and other embedded devices.
https://dev.openwrt.org/
lm system health sensor utility
http://www.lm-sensors.org/wiki/ProjectInformation
list open files
http://en.wikipedia.org/wiki/Lsof
resize ext2 fs
http://linuxcommand.org/man_pages/resize2fs8.html
find what sys call a program makes
http://linux.die.net/man/1/strace
monitoring network of computers
http://www.zabbix.com/
monitoring network of computers
http://munin.projects.linpro.no/

