Re: [Vserver] routing: 2 different virtual subnets on the same machine

[Youri LACAN-BARTLEY]

Chuck wrote:

On Friday 06 April 2007 15:21, Konstantinos Pachopoulos wrote:


i made a mistake:) every reference to eth1 in my examples should be eth3.

sorry

Hi Chuck,

that was a really helpful little email you sent there.
I've been running into issues on this subject myself so I'll be looking 
much more closely into iproute2 in my next setup.


Cheers



//

Hi Chuck,
i am using Debian Etch. Everything could bu useful at this point :)


 From: Chuck 
> 

 Date: Fri 06 Apr 2007 - 12:48:51 BST
 Message-Id: <[EMAIL PROTECTED]>
 On Friday 06 April 2007 06:28, Konstantinos Pachopoulos wrote:
 i ran into the same situation with 4 nics and solved it with iproute2 

on the
 host. using simple tables and rules i was able to have the machine 

default
 gateway for eth0 yet route all various subnets through their proper 

nics with
 their own gateways. what distro are you using for the host? i can only 

give
 exact specifics for gentoo but i can give you the basic config 

structures you

 can adapt to other distros. iproute2 was the only way i could get this
 working properly.
 if interested let me know and i will post a basic structure for your 

setup.


 /> Hi, /
 /> i have not much knowlege on routing and following other advice or 

trying /

 /> to follow solutions to similar cases /
 /> (http://www.freenux.org/~mm/wordpress/?p=10 
 for example) didn't work 
for /

 /> me. So here is the case: /
 /> -on my virtual box there are guests running in 2 different subnets: /
 /> 192.168.1.0/24 and 192.168.2.0/24 /
 /> -192.168.2.0/24 is supposed to be a DMZ. /
 /> -the virtual box has 2 interfaces: eth0 for routing 192.168.1.0/24 

and /

 /> eth3 for routing 192.168.2.0/24 /
 /> /
 /> /
 /> 
-- 
/

 /> | vhost3-vhost4 vhost1-vhost2 /
 /> | /
 /> |__| /
 /> | | /
 /> | 192.168.2.0/24 via eth3 | /
 /> 192.168.1.0/24 via eth0 /
 /> | | /
 /> | | /
 /> |_ ___| /
 /> | | /
 /> router > wireless wan / Internet /
 /> /
 /> /
 /> I just want the 192.168.2.0/24 to be routed via eth3 and 

192.168.1.0/24 /

 /> via eth0. The router/firewall will take over afterwards. /

/> Suggestions? /

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 /> /

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Re: [Vserver] OpenVCP Beta released

[Youri LACAN-BARTLEY]

Hi Gerrit,

I'll be giving a shot at OpenVCP some time next week.
From what I've seen so far, it seems quite promising.

Keep up the good work,

Sincerely,
Youri

Gerrit Wyen wrote:

hi,
we quite recently released the first beta of OpenVCP licensed under the
GPL. OpenVCP provides a web-based interface to manage a whole farm of
VServer hosts, build guests, account traffic and a bit more. For details
take a look at the screenshots.

Project Page:
http://www.openvcp.org

Screenshots:
http://www.openvcp.org/wiki/Screenshots


Sincerely,
Gerrit Wyen

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Re: [Vserver] Cloning a vserver

[Youri LACAN-BARTLEY]

IIRC, there is no need to manually specify the context ID ...

Christian Knauber wrote:

Did you change the context id of the new vserver ?
It is defined in the file /etc/vservers/new/context.

Have a nice day,

Christian

- Original Message -
From: Odile Bénassy <[EMAIL PROTECTED]>
To: vserver@list.linux-vserver.org
Sent: Tuesday, June 27, 2006 9:18:27 AM GMT+0100
Subject: [Vserver] Cloning a vserver

Hello,

I hope not to disturb with a low-level question, I still hope will be
useful to others.

I'm very happy with my vservers in general, I must say, and the users
too, of course.

I want to copy a vserver into a second one, because the second one will
run the same software.

So I had an IP .xxx and a name "old"

And I want a new IP .yyy and a new name "new"

1) I copied all the /vservers/old to /vservers/new

2) I copied all the /etc/vservers/old to /etc/vservers/new and also
/etc/vservers/old.conf to /etc/vservers/new.conf

3) I went into /etc/vservers/new.conf, into /etc/vservers/new, into
/vservers/new/etc and change there every string .xxx into .yyy, and
"old" into "new"

4) I fixed the /etc/vservers/new symlink

Now both vservers can start and stop. I can ping both IPs.

But if I enter "new" I am in "old".

What do I have left behind?

  

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Re: [Vserver] Cloning a vserver

[Youri LACAN-BARTLEY]

Hi Odile,

you might have missed out on the vserver hostname.
You should specify "new" in /etc/vservers/new/uts/nodename

All the rest seems fine to me but I might also be missing something obvious,

Good luck to you,

Youri

Odile Bénassy wrote:

Hello,

I hope not to disturb with a low-level question, I still hope will be
useful to others.

I'm very happy with my vservers in general, I must say, and the users
too, of course.

I want to copy a vserver into a second one, because the second one will
run the same software.

So I had an IP .xxx and a name "old"

And I want a new IP .yyy and a new name "new"

1) I copied all the /vservers/old to /vservers/new

2) I copied all the /etc/vservers/old to /etc/vservers/new and also
/etc/vservers/old.conf to /etc/vservers/new.conf

3) I went into /etc/vservers/new.conf, into /etc/vservers/new, into
/vservers/new/etc and change there every string .xxx into .yyy, and
"old" into "new"

4) I fixed the /etc/vservers/new symlink

Now both vservers can start and stop. I can ping both IPs.

But if I enter "new" I am in "old".

What do I have left behind?

  

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[Vserver] Debian kernel patch fails

[Youri LACAN-BARTLEY]

Hi all,

I've been trying to set up a new vserver box under Debian Sarge by 
following this HOWTO

http://deb.riseup.net/vserver/preparing/

I've always managed to compile and run vservers fine thanks to this HOWTO.
However, the new box and trying to get running (based on an old 700MHz 
Celeron) is causing me some trouble.
Compiling the kernel (2.6.15) seems to work fine, however after 
rebooting on the patched kernel 'vserver-info' returns this :


Versions:
  Kernel: 2.6.15+vserver
  VS-API: ???
util-vserver: 0.30.209; Jan  8 2006, 12:24:41

Features:
  CC: gcc, gcc (GCC) 4.0.3 20051201 (prerelease) 
(Debian 4.0.2-5)
 CXX: g++, g++ (GCC) 4.0.3 20051201 (prerelease) 
(Debian 4.0.2-5)

CPPFLAGS: ''
  CFLAGS: '-Wall -g  -O2 -std=c99 -Wall -pedantic -W 
-funit-at-a-time'
CXXFLAGS: '-g -O2 -ansi -Wall -pedantic -W 
-fmessage-length=0 -funit-at-a-time'

  build/host: i486-pc-linux-gnu/i486-pc-linux-gnu
Use dietlibc: yes
  Build C++ programs: yes
  Build C99 programs: yes
  Available APIs: compat,v11,v13,fscompat,net,oldproc,olduts
   ext2fs Source: e2fsprogs
   syscall(2) invocation: alternative
 vserver(2) syscall#: 273/glibc

Paths:
  prefix: /usr
   sysconf-Directory: /etc
   cfg-Directory: /etc/vservers
initrd-Directory: $(sysconfdir)/init.d
  pkgstate-Directory: /var/run/vservers
 vserver-Rootdir: /var/lib/vservers


Assumed 'SYSINFO' as no other option given; try '--help' for more 
information.


Note : VS-API: ???

testme.sh

Linux-VServer Test [V0.15] Copyright (C) 2003-2006 H.Poetzl
chcontext: vc_new_s_context(): Function not implemented
chcontext failed!
invalid option `nid'.
Try 'chbind --help" for more information.
chbind failed!
Linux 2.6.15+vserver #1 Thu May 11 11:19:04 CEST 2006 i686
Ea 0.30.209 273/glibc (DSa) 
VCI:  (Tn)
---

Would anyone have any insight on this?

findus:~# uname -a
Linux findus 2.6.15+vserver #1 Thu May 11 11:19:04 CEST 2006 i686 GNU/Linux

Thanks a lot,

Youri
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Re: [Vserver] Multiple gateways ... what is the best way with vserver ?

[Youri LACAN-BARTLEY]

Hi there,

would the solution proposed at 
http://linux-vserver.org/Recipes
allow having a host with 2 NICs  sitting on a LAN and a DMZ?
I actually tried setting up a host to be able to have vserver guests on
the LAN and on the DMZ and I ran into severe routing problems.
Any clues would be strongly appreciated.

thanks,

Youri


Gerald Hochegger wrote:

  On Thu, May 04, 2006 at 01:59:26AM +0200, Sébastien CRAMATTE wrote:
  
  
I've got a server configured with 2 vlans
each vlan in a subred  one vserver by vlan

vlan100   10.2.0.2/16  ->  gateway 10.2.0.1

vlan200  192.168.1.2/24 ->  gateway 192.168.1.1

what is the best way to allow  each vserver to reach internet (i need internet access on each vlan to 
use apt-get)

I've found this
http://list.linux-vserver.org/archive/vserver/msg09837.html
http://list.linux-vserver.org/archive/vserver/msg10817.html
http://archives.linux-vserver.org/200311/0475.html

But it's not very clear ?
Which best solution can I apply with latest 2.6 + stable vs  patch ?


  
  
You can find my configuration for this problem under:
  http://linux-vserver.org/Recipes
section
  "configuring routing for a server with two network interfaces"

Hope this helps.
Gerald

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Re: [Vserver] Timeout and SIGKILL error upon guest stop

[Youri LACAN-BARTLEY]

Herbert Poetzl wrote:

  On Fri, Apr 28, 2006 at 04:20:20PM +0200, Youri LACAN-BARTLEY wrote:
  
  
Hi Herbert,

I tried changing the timeout as described in my initial post, the
error occurred well under 120 seconds and definitely under the default
30 seconds, so what exactly sends the SIGKILL prematurely?

  
  
hmm, missed that one, sorry ...
  

Well, what I meant was that the error I posted about occurred at
shutdown within way under 30 seconds. If I understand correctly, a
SIGKILL is sent to all processes that do not shutdown within a 30
second time frame by default. I therefore gather that something other
than the timeout mechanism is sending out the SIGKILL.

  
  
  
I'll be using strace on motion to check if that is causing the error.
I might be able to solve the problem by changing init.d script
handling the daemon, who knows.

  
  
have you tried to use a 'plain' init style on that
guest? it seems to me that you are using sysv, maybe
your scripts kill the shutdown somehow?
  

I have switched to a 'plain' init style on the concerned guest, and to
error has occurred. So I guess that solved the problem.
Are there any downsides to using the 'plain' init style other than the
less 'human-readable' boot sequence?
And is switching to 'plain' init style the solution to all timeout
errors occurring on guest shutdown?

Thanks again to all for you for the help, and keep up the good work !

  
HTH,
Herbert

  
  
I'll keep you posted.

Youri
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Re: [Vserver] Timeout and SIGKILL error upon guest stop

[Youri LACAN-BARTLEY]

Hi Herbert,

I tried changing the timeout as described in my initial post, the error 
occurred well under 120 seconds and definitely under the default 30 
seconds, so what exactly sends the SIGKILL prematurely?

I'll be using strace on motion to check if that is causing the error.
I might be able to solve the problem by changing init.d script handling 
the daemon, who knows.

I'll keep you posted.

Youri
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Re: [Vserver] Timeout and SIGKILL error upon guest stop

[Youri LACAN-BARTLEY]

Hi Baltasar,

there was indeed a problem with resolving DNS in the guest, its 
boot/halt time has significantly shortened.
However, I still get the same timeout error every now and then. Seems to 
be quite random really ...


I also noticed that the same problem occurs on other guests I considered 
"stable".


The worrying thing about all this is the simple fact that it's random.

I've never used strace before, I'll try and dig into it to do a little 
debugging.

If you have any advice on the way to use the tool, I'd be glad to hear it.

Thanks for the help,

Youri
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[Vserver] Timeout and SIGKILL error upon guest stop

[Youri LACAN-BARTLEY]

Hi list,

I've already come across a post reporting the following error upon
stopping a vserver guest:

/usr/sbin/vserver: line 85:  3776
Killed  
"[EMAIL PROTECTED]" ${USE_VNAMESPACE:+$_VNAMESPACE --enter "$S_CONTEXT" --
} 
$_VCONTEXT $SILENT_OPT --migrate --chroot --xid "$S_CONTEXT" --
"[EMAIL PROTECTED]"
A timeout occured while waiting for the vserver to finish and it will
be killed by sending a SIGKILL signal. The following process list
might be useful for finding out the reason of this behavior:


I tried to solve the problem by changing the timeout value in the
"sync-timeout" file as recommended. I had to create the vshelper folder
and the file ... and set timeout to 120 seconds.


  /etc/vservers/vserver-name/apps/vshelper 

   sync-timeout

The timeout in seconds which is used
when synchronising vserver
startup/shutdown with the vshelper. When no set, 30 seconds will be
assumed. 
  

  

However, that did not solve my issue. I still get the same timeout
error.
The server in question is running motion to handle 4 IP cameras. Since
I switched this server to a vserver guest, I just takes ages to start
and stop. Often hanging on apache2 or exim.

Would any one have any insight on this?

Thanks a lot,

Youri

Vserver-info :

Versions:
            Kernel: 2.6.15+vserver
            VS-API: 0x00020001
            util-vserver: 0.30.209; Jan  8 2006, 12:24:41

Features:
            CC: gcc, gcc (GCC) 4.0.3 20051201 (prerelease) (Debian
4.0.2-5)
            CXX: g++, g++ (GCC) 4.0.3 20051201 (prerelease) (Debian
4.0.2-5)
            CPPFLAGS: ''
            CFLAGS: '-Wall -g  -O2 -std=c99 -Wall -pedantic -W
-funit-at-a-time'
            CXXFLAGS: '-g -O2 -ansi -Wall -pedantic -W
-fmessage-length=0 -funit-at-a-time'
            build/host: i486-pc-linux-gnu/i486-pc-linux-gnu
            Use dietlibc: yes
            Build C++ programs: yes
            Build C99 programs: yes
            Available APIs: compat,v11,v13,fscompat,net,oldproc,olduts
            ext2fs Source: e2fsprogs
            syscall(2) invocation: alternative
            vserver(2) syscall#: 273/glibc

Paths:
            prefix: /usr
            sysconf-Directory: /etc
            cfg-Directory: /etc/vservers
            initrd-Directory: $(sysconfdir)/init.d
            pkgstate-Directory: /var/run/vservers
            vserver-Rootdir: /vserver


Assumed 'SYSINFO' as no other option given; try '--help' for more
information.


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Re: [Vserver] how can I remove this in a Vserver : perl: warning: Falling back to the standard locale ("C")...

[Youri LACAN-BARTLEY]

Hi Sébastien,

I encountered that problem many times.
It should be solved by a little "apt-get install locales"
Don't forget to add french locales ...

Running base-config after creating a guest from debootstrap often helps too.

Good luck,

Youri

Sébastien CRAMATTE wrote:

Hello

I've installed a very light debian from debootstrap
the problem now I've got this message.

perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or 
directory

locale: Cannot set LC_ALL to default locale: No such file or directory
Generating /etc/default/dhcp3-server...
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
   LANGUAGE = "fr_FR:fr:en_GB:en",
   LC_ALL = (unset),
   LANG = "en_GB"
   are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").


I know that  I must export
LC_ALL=C
LC_MESSAGES=C
LS_TYPE=C
LANGUAGE=C
LANG=C

But where can I do this at vserver startup ?
Thanks a lot


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Re: [Vserver] Passive FTP with Proftpd within guest

[Youri Lacan-Bartley]

Hi there Oliver,

my mistake in fact, a stupid typo in proftpd.conf made the poor thing
squeal.
Passive FTP works perfectly now.

Thanks for the help anyway,

Best Regards,

Youri

Oliver Welter wrote:
Hi Youri,
  
  
  I'm trying to get a simple Proftpd-mysql
server running in one of my guests, and was wondering how I could
enable passive ftp connections.

Has this got something to do with guest capabilities or do I have to
resort to some iptables fiddling on the host?

And would the solution be to bind this guest directly to the host
address?

  
  
I cant see your problemdoes your guest use its own IP ?
  
If so, all ports are reachable from "outside" without any problems,
same counts for mysql.
  
Just make sure that no "0.0.0.0" gathering process is running on your
host - mysql is somewhat greedy in this aspect and will bind to all
available IPs if running on the host. Thus will prevent your guest from
occuping the port.
  
  
If you share the IP it would be nearly the same, exept that - of course
- no service must run on the IP/Port used by proftp or mysql
  
  
Oliver
  
  

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[Vserver] Passive FTP with Proftpd within guest

[Youri Lacan-Bartley]

Hi list,

congratulations for all the great work being achieved here!
I'm trying to get a simple Proftpd-mysql server running in one of my 
guests, and was wondering how I could enable passive ftp connections.
Has this got something to do with guest capabilities or do I have to 
resort to some iptables fiddling on the host?

And would the solution be to bind this guest directly to the host address?

Any insight on this would be greatly appreciated as I don't seem to have 
found any comprehensible explanation anywhere on the net or on this list,


best regards,

Youri
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Re: [Vserver] /etc/init.d/vservers-default does not work

[Youri Lacan-Bartley]

So that sorts it then :)

Guenther Fuchs wrote:

Hi there,

on Monday, February 27, 2006 at 1:45:57 PM there was posted:

YLB> shouldn't your /etc/vservers//apps/init/mark file
YLB> only contain "default" ?

It should.

  


--
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Youri LACAN-BARTLEY 


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Re: [Vserver] /etc/init.d/vservers-default does not work

[Youri Lacan-Bartley]

hi there,

shouldn't your /etc/vservers//apps/init/mark file only 
contain "default" ?


Gerhard Hofmann wrote:

Hi all,

I have multiple vservers on a Debian box, they all work well when 
started manually with

  vserver vservername start

I have problems to get them automatically running whenever the host is 
booted. I have activated vservers-default init script to do the job 
but this does not work.


I have a file /etc/vservers//apps/init/mark with
  MARK=default
for each vserver.

TIA
Gerhard

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Youri LACAN-BARTLEY 


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