when I login not as root, it does not connet to internet........ help
 

I have redhat 8.0, and I get a router connect to verzizon DSL modem.
when I login as root, I get connected to internet; but when I login as a norml user, I can not ..........

please help

I'm pretty sure this is matter of access permissions (to the device or connect script or whatewer is used during the connection process). I don't use DSL myself but i had the same problem with dialup. Look into syslog and search for "permission denied" or something similar, you should be able to identify what's wrong.

can you please tell me what to do in detail?
I don't know which syslog to look into,and there are many file have a name "syslog" or "*syslog*".

login in as a non-root user

open a terminal, and type

su -c "tail -0f /var/log/messages"
you will be prompted for the root password.

now start try to connect to the net and note the messages on the terminal.

Hi, ppuru: I did what you said, in a non-root terminal, after I type su -c "tail -0f /var/log/messages" and I input root password, nothing happened. I can not even inout next command without "ctrl + c"; and I tried to connect internet but failed ..............
what can I do next?

That is the correct behavior exhibited by the su command. It is supposed to list the contents being added to /var/log/messages till you break out of it.

When you tried to connect to the Internet, did you see any messages being displayed on the terminal?

Those messages will give you an understanding of why you are able to connect only as root.

thanks.
I tried again. and after I type "su -c "tail -0f /var/log/messages"" and my root password, I open a mozilla and try to connect to internet. but I did not see any message displayed in terminal ...........

Where is the DSL modem installed? If it is a separate box, how is it connected to your system? via the ethernet port?

the DSL is connected to a router, which is connected to my ethernet port? does it make difference?

the DSL modem is connected to a router ........