command line proxy options for wget or other software linux and other handy commands when installing OVMM

proxy for a command

export http_proxy=http://smoir:password@proxy:8080

then

wget http://public-yum.oracle.com/public-yum-el5.repo

 

mounting an iso file as a CD / DVD

mount -t iso9660 -o loop test.iso /mnt/test

create the mount point first of course

mount -t iso9660 -o loop /path/to/filename /mnt/loop0

If you are lazy about firewall rules

Turn off firewall permanently

chkconfig iptables off

Final snippet for changng hard files warning

OVMM install

hard files not 8192

b.Edit /etc/security/limits.conf
root soft nofile 8192

root hard nofile 8192
c. Restart machine