Re: Re: [gentoo-user] Issues pinging localhost and starting apache.

[Jordan Woehr]

Mark Shields wrote:
> On Nov 22, 2007 7:45 PM, Jordan Woehr <jwoehr1@×××××.net
> <mailto:jwoehr1@×××××.net>> wrote:
>
>     *I first encounter this problem while trying to setup Apache for my
>     machine. I only want it to run locally on my network. First issue,
>     I try
>     to start Apache and have it listen to port 80 but it won't start with
>     the error:*
>
>     apache2ctl start
>      * Caching service dependencies
>     ...                                       [ ok ]
>      * Starting apache2 ...
>     (98)Address already in use: make_sock: could not bind to address
>     0.0.0.0:80 <http://0.0.0.0:80>
>     no listening sockets available, shutting down
>     Unable to open logs
>
>     *The only lines I have added to httpd.conf are as follows:
>     *
>     ServerName localhost
>     Listen 80
>
>     *Having Apache listen on port 8080 instead results in it starting
>     fine.
>     Thing is, I'm pretty sure nothing is listening on port 80.*
>
>     netstat -an | grep :80
>     tcp        0      0 192.168.0.104:56125
>     <http://192.168.0.104:56125>     66.150.96.119:80
>     <http://66.150.96.119:80>
>     ESTABLISHED
>     tcp        0      0 192.168.0.104:56123
>     <http://192.168.0.104:56123>     66.150.96.119:80
>     <http://66.150.96.119:80>
>     TIME_WAIT
>     tcp        0      0 192.168.0.104:36115
>     <http://192.168.0.104:36115>     208.65.201.178:80
>     <http://208.65.201.178:80>
>     TIME_WAIT
>     tcp        0      0 192.168.0.104:45155
>     <http://192.168.0.104:45155>     205.150.218.4:80
>     <http://205.150.218.4:80>
>     ESTABLISHED
>
>     *I was not happy with Apache not starting listening to port 80 but I
>     started it on 8080 instead. Tried  going to  localhost:8080 in
>     firefox
>     but received an unable to establish connection error.
>
>      From there I went to my hosts file which is as follows
>
>     *127.0.0.1 <http://127.0.0.1>       localhost
>
>     *Tried scanning 127.0.0.1 <http://127.0.0.1> with nmap:
>
>     *nmap -sT -PT 127.0.0.1 <http://127.0.0.1>
>
>     Starting Nmap 4.20 ( http://insecure.org <http://insecure.org> )
>     at 2007-11-22 17:11 MST
>     Note: Host seems down. If it is really up, but blocking our ping
>     probes,
>     try -P0
>     Nmap finished: 1 IP address (0 hosts up) scanned in 3.342 seconds
>
>     *And now a ping
>     *
>     ping -c 5 localhost
>     PING localhost (127.0.0.1 <http://127.0.0.1>) 56(84) bytes of data.
>      From 10.132.0.1 <http://10.132.0.1> icmp_seq=1 Destination Net
>     Unreachable
>      From 10.132.0.1 <http://10.132.0.1> icmp_seq=3 Destination Net
>     Unreachable
>      From 10.132.0.1 <http://10.132.0.1> icmp_seq=4 Destination Net
>     Unreachable
>      From 10.132.0.1 <http://10.132.0.1> icmp_seq=5 Destination Net
>     Unreachable
>
>     --- localhost ping statistics ---
>     5 packets transmitted, 0 received, +4 errors, 100% packet loss,
>     time 4000ms
>
>     *localhost seems to be resolved properly to 127.0.0.1
>     <http://127.0.0.1> but what I don't
>     understand is where the 10.132.0.1 <http://10.132.0.1> comes from.
>     This computer's ip on the
>     network is 192.168.0.104 <http://192.168.0.104> (static) and my ip
>     on the internet is
>     77.something.something.something (was when I did the ping at least).
>
>     I hope the above is enough information. Suggestions on why Apache
>     won't
>     start listening on port 80 and why I can't connect to localhost:8080
>     from firefox when Apache is running are welcome.
>
>     Thanks
>     Jordan
>     *
>     --
>     gentoo-user@g.o <mailto:gentoo-user@g.o> mailing list
>
>
> This may sound like a silly question, but is loopback running
> (/etc/init.d/lo)?
>
> --
> - Mark Shields
This was exactly the problem. I switched from the traditional startup 
scripts to NetworkManager a while back and I guess NM doesn't handle lo 
by default. Does anyone happen to know if NM handles the loopback 
adapter at all?
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