IP Address and Subnetting
Network Classes 0 – Gateway Class A 1-126 CIDR /8 Private:10.0.0.0 – 10.255.255.255 /8 127 – loopback Class B 128-191 CIDR /16 Private:172.16.0.0 – 172.31.255.255
How to find the gateway on MAC OS terminal
netstat -nr | grep ‘^default’
Buffalo router local loopback comman
http://support.hornington.com/kb/question.php?ID=704 iptables -t nat -A POSTROUTING -s 192.168.11.0/255.255.255.0 -d 192.168.11.0/255.255.255.0 -o br0 -j MASQUERADE Where 192.168.11.0 change to your local LAN subnet
Ubuntu Wireless disabled cannot turn it back on
To re-enable the wireless interface:Wireless had been working just fine. I was going to be using only wired connection for a while, so I decided
MAC OSX command line Port Scan
Stroke sudo ln /Applications/Utilities/Network Utility.app/Contents/Resources/stroke /usr/bin/stroke chmod uo+x /usr/bin/stroke How to use Stroke stroke address startPort endPort
Google Public DNS
Google Public DNS As web pages become more complex and include more resources from multiple origin domains, clients need to perform multiple DNS lookups to
New found! Fast network remote software
Zero Remote – Find on 13-Jan-2010 – very light – does not need to setup Zero Remote is now True Remote – Find on 6-Aug-2010