Miscellaneous cheatsheet

Burn DVD growisofs -J --iso-level 4 -v -Z dev/dvdrw -R /path/to/dir/
growisofs -dvd-compat -Z /dev/sr0=myimage.iso
Burn CD mkisofs -J --iso-level 4 -R path/to/dir/ | \
cdrecord driveropts=burnfree dev=/dev/cdrom -
cdrecord driveropts=burnfree dev=/dev/sr0 mydisk.iso
Image manipulation convert -rotate 90 -resize 800x600 input.jpg output.jpg
Linux Qlogic HBA configuration 
# loading module for failover and load balancing:
options qla2xxx ql2xfailover=1 ql2xlbType=2
# The RAM disk image may need to be rebuilt with
mkinitrd <image file> <kernel version>