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Date: | Fri, 30 Nov 2007 13:23:12 -0600 |
Content-Type: | text/plain |
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Sure. But then how can I commit codes I develop at fermi machines to my
local cvs server? This is almost the whole reason that I'm trying to
setup a remote cvs repository.
Maxim kovgan wrote:
> Taylan Yetkin wrote:
>> yes, I can.
> If so, why don't you setup CVS via ssh tunnel:
>
> connect like this:
>
> ssh myuser@mysshserver -L 2401:<remote IP>:2401
>
>
> after you've connected on your local machine you can setup the
> CVSROOT=:pserver:anoncvs@localhost:2401/var/lib/cvsroot
>
> and then you can:
> cvs login
>
> BTW, maybe you can use IP for your thing too via the regular CVS.
>
> Cheers.
>
>
>
>>
>> Maxim kovgan wrote:
>>> Taylan Yetkin wrote:
>>>> I would like to give some update and ask help again:
>>>> problem: unable to access remote cvs server (my desktop) from
>>>> fermi machines
>>>>
>>>> [cmswn082] cvs login
>>>> Logging in to
>>>> :pserver:[log in to unmask]:2401/var/lib/cvsroot
>>>> CVS password:
>>>> cvs [login aborted]: connect to
>>>> neutralino.physics.uiowa.edu(128.255.34.167):2401 failed: No route
>>>> to host
>>>>
>>>> [cmswn082] telnet neutralino.physics.uiowa.edu 2401
>>>> Trying 128.255.34.167...
>>>> telnet: Unable to connect to remote host: No route to host
>>>>
>>>>
>>>> When I tried to see if port 2401 listens, I see that it does
>>>> [root@neutralino]# netstat -an | grep LISTEN | grep 2401
>>>> tcp 0 0 0.0.0.0:2401
>>>> 0.0.0.0:* LISTEN
>>>>
>>>> [root@neutralino]# /sbin/chkconfig --list cvspserver
>>>> cvspserver on
>>>>
>>>>
>>>> My /etc/xinetd.d/cvspserver looks like
>>>> service cvspserver
>>>> {
>>>> port = 2401
>>>> socket_type = stream
>>>> protocol = tcp
>>>> wait = no
>>>> user = root
>>>> passenv = PATH
>>>> server = /usr/bin/cvs
>>>> server_args = -f --allow-root=/var/lib/cvsroot pserver
>>>> log_type = FILE /var/log/cvspserver
>>>> env = HOME=/usr/cvs
>>>> disable = no
>>>> }
>>>>
>>>> and hosts.allow and host.deny
>>>>
>>>> hosts.allow:
>>>>
>>>> cvs: LOCAL
>>>>
>>>> hosts.deny: empty
>>>>
>>>>
>>>> How can I find out the reason for no connection?
>>>
>>> can you connect to that machine via SSH ?
>>>
>>>
>>>
>>>>
>>>> Thanks,
>>>> Taylan
>>>>
>>>>
>>>>
>>>> Maxim kovgan wrote:
>>>>> well, go and search for the firewalls on the way now.
>>>>> with a clear conscience.
>>>>> :)
>>>>>
>>>>>
>>>>>
>>>>> Taylan Yetkin wrote:
>>>>>> I couldn't find how to capture ipv6 packets but I disabled it to
>>>>>> see if it makes any difference. Actually I still get the same
>>>>>>
>>>>>
>>>>>
>>>>> assuming your interface of question is eth0:
>>>>> tcpdump -vvv -i eth0 -w results.tcpdump ip6
>>>>>
>>>>> this will run as much as you want, and will print how many
>>>>> packets has it got, once in a while.
>>>>>
>>>>> when you have enough, you stop it with ^C, and go and watch the
>>>>> results of the capture via wireshark, or ethereal or any other
>>>>> graphical tool.
>>>>>
>>>>> regards.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>> cvs [login aborted]: connect to
>>>>>> neutralino.physics.uiowa.edu(128.255.34.167):2401 failed: No
>>>>>> route to host
>>>>>>
>>>>>> message. telnet is also giving similar problem:
>>>>>>
>>>>>> telnet neutralino.physics.uiowa.edu 2401
>>>>>> Trying 128.255.34.167...
>>>>>> telnet: Unable to connect to remote host: No route to host
>>>>>>
>>>>>> :
>>>>>>
>>>>>>
>>>>>> Maxim kovgan wrote:
>>>>>>> Can you try and capture any ipv6 packets trying to leave your
>>>>>>> computer when you're trying to login into cvs or to do other
>>>>>>> things with cvs ?
>>>>>>>
>>>>>>>
>>>>>>> IF you find anything running, disable ipv6.
>>>>>>> (refer to your distribution's manual on how to do this.)
>>>>>>>
>>>>>>> Cheers.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Taylan Yetkin wrote:
>>>>>>>> Hi,
>>>>>>>> ifconfig in the host returns:
>>>>>>>>
>>>>>>>> eth0 Link encap:Ethernet HWaddr 00:19:D1:25:1F:C9
>>>>>>>> inet addr:128.255.34.167 Bcast:128.255.35.255
>>>>>>>> Mask:255.255.252.0
>>>>>>>> inet6 addr: fe80::219:d1ff:fe25:1fc9/64 Scope:Link
>>>>>>>> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
>>>>>>>> RX packets:190785 errors:0 dropped:0 overruns:0 frame:0
>>>>>>>> TX packets:55961 errors:0 dropped:0 overruns:0 carrier:0
>>>>>>>> collisions:0 txqueuelen:100
>>>>>>>> RX bytes:57983176 (55.2 MiB) TX bytes:11357915 (10.8
>>>>>>>> MiB)
>>>>>>>> Base address:0xecc0 Memory:dffe0000-e0000000
>>>>>>>>
>>>>>>>> lo Link encap:Local Loopback
>>>>>>>> inet addr:127.0.0.1 Mask:255.0.0.0
>>>>>>>> inet6 addr: ::1/128 Scope:Host
>>>>>>>> UP LOOPBACK RUNNING MTU:16436 Metric:1
>>>>>>>> RX packets:5670 errors:0 dropped:0 overruns:0 frame:0
>>>>>>>> TX packets:5670 errors:0 dropped:0 overruns:0 carrier:0
>>>>>>>> collisions:0 txqueuelen:0
>>>>>>>> RX bytes:10405386 (9.9 MiB) TX bytes:10405386 (9.9 MiB)
>>>>>>>>
>>>>>>>> while netstat -nr returns
>>>>>>>>
>>>>>>>>
>>>>>>>> Kernel IP routing table
>>>>>>>> Destination Gateway Genmask Flags MSS
>>>>>>>> Window irtt Iface
>>>>>>>> 128.255.32.0 0.0.0.0 255.255.252.0 U 0
>>>>>>>> 0 0 eth0
>>>>>>>> 169.254.0.0 0.0.0.0 255.255.0.0 U 0
>>>>>>>> 0 0 eth0
>>>>>>>> 0.0.0.0 128.255.32.1 0.0.0.0 UG 0
>>>>>>>> 0 0 eth0
>>>>>>>>
>>>>>>>>
>>>>>>>> Taylan
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> Maxim kovgan wrote:
>>>>>>>>> Taylan Yetkin wrote:
>>>>>>>>>> Both ping and traceroute the host from fermi machines
>>>>>>>>>> returns success. I need some time to understand the use of
>>>>>>>>>> tcpdump.
>>>>>>>>>> thanks,
>>>>>>>>>> Taylan
>>>>>>>>>
>>>>>>>>> can you post your ifconfig of the listening interface ?
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> a routing table would be nice too:
>>>>>>>>> netstat -nr
>>>>>>>>>
>>>>>>>>> you can of course scramble the IP addresses.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Maxim kovgan wrote:
>>>>>>>>>>> John Summerfield wrote:
>>>>>>>>>>>> Maxim kovgan wrote:
>>>>>>>>>>>>> John Summerfield wrote:
>>>>>>>>>>>>>> Taylan Yetkin wrote:
>>>>>>>>>>>>>>> Hi,
>>>>>>>>>>>>>>> I installed a cvs repository in my local SL machine and
>>>>>>>>>>>>>>> trying to connect
>>>>>>>>>>>>>>> it
>>>>>>>>>>>>>>> from fermi machines. I get the following error:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> [cmswn085> cvs login
>>>>>>>>>>>>>>> Logging in to
>>>>>>>>>>>>>>> :pserver:[log in to unmask]:2401/var/lib/
>>>>>>>>>>>>>>> cvsroot
>>>>>>>>>>>>>>> CVS password:
>>>>>>>>>>>>>>> cvs [login aborted]: connect to
>>>>>>>>>>>>>>> neutralino.physics.uiowa.edu(128.255.34.167):2401
>>>>>>>>>>>>>>> failed: No route to hos
>>>>>>>>>>>>>>> t
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> This is a routing/firewall problem. the cvs command asks
>>>>>>>>>>>>>> for the password before trying to connect.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> 07:02 [summer@numbat ~]$ cvs -d
>>>>>>>>>>>>>> :pserver:anoncvs@localhost:2401/var/lib/ login
>>>>>>>>>>>>>> Logging in to :pserver:anoncvs@localhost:2401/var/lib
>>>>>>>>>>>>>> CVS password:
>>>>>>>>>>>>>> cvs [login aborted]: connect to [localhost]:2401 failed:
>>>>>>>>>>>>>> Connection refused
>>>>>>>>>>>>>> 07:03 [summer@numbat ~]$
>>>>>>>>>>>>>
>>>>>>>>>>>>> It's most probably tcpwrappers
>>>>>>>>>>>>
>>>>>>>>>>>> No. That allows a connexion, then rejects it. You don't get
>>>>>>>>>>>> "no route" or "refused messages."
>>>>>>>>>>>
>>>>>>>>>>> AFAIK tcpwrappers refuse too.
>>>>>>>>>>> but I somehow missed the no route to.. :)
>>>>>>>>>>> and you're right! it needs some investigation:
>>>>>>>>>>>
>>>>>>>>>>> 1. ping to the host
>>>>>>>>>>> 2. traceroute to the host.
>>>>>>>>>>>
>>>>>>>>>>> if you sporadically get the no route problem, it means you
>>>>>>>>>>> have ... a routing problem :)
>>>>>>>>>>>
>>>>>>>>>>> after you finished up with it, you can continue and trouble
>>>>>>>>>>> shoot.
>>>>>>>>>>> routing problem can be cause by your university/enterprise
>>>>>>>>>>> firewall too.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> you can also investigate with tcpdump, which is a great
>>>>>>>>>>> sniffer.
>>>>>>>>>>>
>>>>>>>>>>> Good luck!
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> "reset" is more probable.
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>>
>>>
>>>
>>
>
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