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Suse Linux 9.1 - can't get out (network)

MichaelD

MichaelD

Lifer
I installed the full version of Suse9.1. It runs great...except I can't surf the net.

It detected my Linksys NIC just fine. It grabbed an IP from my Windows DHCP server just fine. I can ping anything on my internal network, including my Gateway (DSL router), but I cannot get out.

I went into the Device Manager and set the IP of my Gateway (my DSL router). I even checked off Enable IP Forwarding under the Advanced Options.

Obviously something's wrong. Can someone please help a Linux n00b? 😱

Thank you.

*edit*
I found it!!! /me so proud!

Under Control Center\Internet\Proxy Settings

By default, "use a proxy" is enabled. That makes ZERO sense to me. There's a checkbox for "connect to the internet directly" Bingo.

I am SO proud of myself.

[neo] I....I know Linux [/neo]

😉
 
Do not enable IP Forwarding, that's for making your Linux box a router.

If you type '/sbin/route -n' do you see an entry like:

0.0.0.0 <gateway IP> 0.0.0.0 UG 0 0 0 eth0
 
Thanks, nothinman. It's NOT FIXED. I don't know what happened....I can't get out anymore. DAMN! Why is Linux so hard? I'll type in what you suggest. BRB.
 
Originally posted by: Nothinman
Do not enable IP Forwarding, that's for making your Linux box a router.

If you type '/sbin/route -n' do you see an entry like:

0.0.0.0 <gateway IP> 0.0.0.0 UG 0 0 0 eth0
Click to expand...

That is EXACTLY what I see! <gateway IP> has my gateway's IP in there, ALL other entries are as you describe.

What does that mean? 😱 Thank you!!!
 
It means your default gateway is set properly and should work. Try running 'traceroute google.com' and see how far it gets.
 
Originally posted by: Nothinman
It means your default gateway is set properly and should work. Try running 'traceroute google.com' and see how far it gets.
Click to expand...

It gets past my DSL modem, does a few time outs, hits my ISPs DNS server then dies. This Linux box is plugged into a 24-port switch that half a dozen Windows boxes are plugged into and none of them have any probs.

Now I remember why I gave up on Linux last year. This is ridiculous. They want you to learn Linux (and i want to) but they don't make it easy at all.
 
What do you mean by 'dies'?

Your ISP's DNS servers should not appear in that list, that would mean that your ISP has their DNS servers also doing routing on their network and that would be extremely stupid. If it's making it past your DSL router you can't really blame Linux because it's working fine, most likely your ISP has something wrong with their network.
 
I don't usually have any problems, and I have lots of linux boxes. cat /etc/resolv.conf and see if your DNS is listed correctly. resolve www.google.com on another comp and then try to ping it's IP address (rules out name resolution issues). Make sure that /etc/resolv.conf has valid dns servers.

Assuming that fails, then I would start with a ping to your router, then check your router's default gateway to the ISP and see if you can ping that (from both a working box and your linux box). Tracert (windows) www.google.com and start pinging every hop to see where it dies. Run a ping against a local machine to make sure you don't have issues on the switch itself. also post your ifconfig eth0 output.
 
My misnomer. I guess it's one of my ISP's routers. That's where the hops (30) end. Interestingly, that's also where it ends when I do the same traceroute on a Windows box. 😕

I have no probs w/my internet access from Windows boxes. Speeds are good, no dropped packets...I'm clueless.

I mean, TCP/IP is TCP/IP no matter Windows, unix or whatever...it's got to be a setting on the Linux box. 🙁
 
Originally posted by: nweaver
I don't usually have any problems, and I have lots of linux boxes. cat /etc/resolv.conf and see if your DNS is listed correctly. resolve www.google.com on another comp and then try to ping it's IP address (rules out name resolution issues). Make sure that /etc/resolv.conf has valid dns servers.

Assuming that fails, then I would start with a ping to your router, then check your router's default gateway to the ISP and see if you can ping that (from both a working box and your linux box). Tracert (windows) www.google.com and start pinging every hop to see where it dies. Run a ping against a local machine to make sure you don't have issues on the switch itself. also post your ifconfig eth0 output.
Click to expand...

Thanks very much. I can ping every other machine attached to that switch both by IP and hostname. I have a W2K3 box that is my Windows domain controller/DNS/DHCP box. The Linux box is obviously seeing it b/c it's grabbing an IP and hostnames on my network are resolving. I wish I could cut/paste from that box to this Windows box I'm on. I even saved the output of the tracerts to a text file, but Linux won't let me save to a floppy...says it's unmounted. I have to mount the floppy? What kind of crap is that? Is it not mounted by default? Everything's so difficult in this new world.

Sorry...got OT there for a moment. 😉

BRB with more answers.
 
I wish I could cut/paste from that box to this Windows box I'm on
Click to expand...

SSH into the Linux box and you can.

but Linux won't let me save to a floppy...says it's unmounted. I have to mount the floppy? What kind of crap is that?
Click to expand...

It's the kind of crap that's necessary on a multi-user OS. And on top of that since the unix filesystem layout is one big tree the floppy could be mounted anywhere, so assuming it's at /media/floppy or /mnt/floppy wouldn't work. But having said that, Gnome and KDE both should allow you to mount/umount the floppy with the right-click menu on the icon.
 
I swear I'm not stupid.

Right clicking on the floppy or the CD Icons brings up a menu, but mount/unmount is not one of them. Not even in the properties or actions tabs is it listed.

Maybe this distro of linux just isnt' for me. Maybe I should try Red Hat? I know enough about directory structures to navigate around from the command line, check permissions and such...but I'm at a loss w/this.

I really do appreciate the help though, guys.
 
I've never used SuSe so I can't comment, but in Nautilus (the Gnome file manager) there's a mount option at the bottom of the menu. I would have assumed that KDE/SuSe had something similar.

Try Ubuntu, RedHat has been replaced with Fedora and I've never been impressed with RH/FC anyway.
 
Thanks for attempting to help my n00b self, Nothinman.

I've got a friend at work, he's real big into Unix/linux. He runs Knoppix off a USB pen drive and such...maybe he can help me. 🙂
 
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