3
Chapter3 Installation
51
Update
Update the information used by the system. You can update the signatures and behaviors via the
Internet.
Step 1: Check Network Connection
Check the network is connected.
1
Enter
diagnostic
mode from the terminal.
2
Used the commands below to check the network connection.
•
ifconfig
: Check whether the IP address in correct in the network interface.
•
netstat
: Type
netstat –rn
command to check whether the gateway information is correct.
•
nslookup
: Type
nslookup www.google.com
to check DNS query.
•
ping
: Type
ping www.google.com
to check Internet connection.
If there is no problem, move on to the next step.