ubuntu

fix output in netkvm/ipmi

the java applet for netkvm/ipmi is not able to print framebuffered console output. Additionally no current browser supports java except luakit (using webkit)

# append kernel arguments line to disable framebuffer
vga=normal fb=false

ufw

enable / disable

ufw disable
ufw enable

drop icmp

# /etc/ufw/before.rules
# remove this line
-A ufw-before-input -p icmp --icmp-type echo-request -j ACCEPT

# /etc/ufw/before6.rules
# remove this line
-A ufw6-before-input -p icmp6 --icmpv6-type echo-request -j ACCEPT