FC2T2 experience & networking problem
Jon Homan
jon.homan.nospam at blueyonder.co.uk
Thu Apr 1 23:00:55 UTC 2004
Hi,
I have installed FC2T2 and have had some problems which I resolved, and
some which I haven't.
After my first installation attempt I rebooted and saw hundreds of
messages like:
'denied {write} for pid=1 exe=/sbin/init'
Reading the selinux-faq in the release notes I tried adding 'selinux=0'
to my kernel boot options. Now rebooting gives a different message:
'Kernel panic: Attempted to kill init!'
Back to the faq. Ah, reiserfs is not supported (but the installer allows
you to do 'linux reiserfs' to enable support) with selinux. So I
reinstalled and reformatted with ext3. Now I can boot, and things are
looking up :-)
Except networking is not working properly. I have a DHCP assigned IP
address via a NetGear router (this all works fine in FC1). I can ping
sites, but ftp or http just sit there. I disabled the firewall, set
selinux=0, but no difference. I tried using traceroute, to see if
anything was happening and I got the following:
# traceroute www.cosmiczoo.com
1 10.181.64.1 (10.181.64.1) 23.645 ms 15.788 ms 14.497 ms
2 gsr01-hw.blueyonder.co.uk (62.30.144.129) 9.074 ms 9.416 ms
12.499 ms
3 172.18.28.37 (172.18.28.37) 10.021 ms 22.853 ms 46.619 ms
MPLS Label=1027 CoS=3 TTL=1 S=0
4 tele2-har-pos.telewest.net (194.117.136.26) 10.589 ms 13.521 ms
10.091 ms
MPLS Label=29 CoS=3 TTL=1 S=0
5 194.117.136.173 (194.117.136.173) 11.627 ms 14.892 ms 11.851 ms
6 linx.ge-0-0-0.gbr1.ltn.nac.net (195.66.224.94) 12.694 ms 10.224
ms 9.721 ms
7 0.so-0-3-0.gbr2.nwr.nac.net (209.123.11.209) 83.266 ms 122.052 ms
79.486 ms
8 0.so-0-3-0.gbr1.oct.nac.net (209.123.11.233) 82.857 ms 81.405 ms
103.185 ms
9 209.123.182.243 (209.123.182.243) 77.477 ms 113.146 ms 78.660 ms
10 * * *
Then since ping was working I figured ICMP was too. So using traceroute
with ICMP rather than UDP gives:
1 10.181.64.1 (10.181.64.1) 9.752 ms 49.872 ms 8.904 ms
2 gsr01-hw.blueyonder.co.uk (62.30.144.129) 8.468 ms 10.154 ms
9.297 ms
3 172.18.28.37 (172.18.28.37) 8.527 ms 11.143 ms 8.504 ms
MPLS Label=1027 CoS=3 TTL=1 S=0
4 tele2-har-pos.telewest.net (194.117.136.26) 52.927 ms 14.939 ms
20.337 ms
MPLS Label=29 CoS=3 TTL=1 S=0
5 194.117.136.173 (194.117.136.173) 12.734 ms 12.772 ms 10.832 ms
6 linx.ge-0-0-0.gbr1.ltn.nac.net (195.66.224.94) 10.455 ms 8.482 ms
24.939 ms
7 0.so-0-3-0.gbr2.nwr.nac.net (209.123.11.209) 79.387 ms 78.943 ms
78.381 ms
8 0.so-0-3-0.gbr1.oct.nac.net (209.123.11.233) 112.862 ms 79.463 ms
104.393 ms
9 209.123.182.243 (209.123.182.243) 79.304 ms 208.909 ms 78.218 ms
10 serv1.silverdns.com (66.246.86.2) 84.249 ms 80.537 ms 84.143 ms
Which is the right answer. This is about where my networking knowledge
runs out.
P.S. There's a typo in the URL in the release notes for the NSA faq. It
should be http://www.nsa.gov/selinux/info/faq.cfm.
Thanks,
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