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Hollow
Developer
Joined: 05 Dec 2003
Posts: 34
Location: Berlin, Germany
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 Posted: Sun Nov 14, 2004 1:01 pm Post subject: Gentoo vserver on kernel 2.6 Guide |
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Hi all!
Over the past few days i created a guide and some ebuilds to make installing vserver on gentoo more comfortable! As setting up gentoo as a guest system is somewhat tricky and documentation (especially for 2.6 kernels) is spread out all over the net i decided to write a guideline to help others. This guide is not complete yet, but you can get a basic vserver running.
Help is always appreciated!
You can find the guide at http://oss.croup.de/vserver/guide/
Happy testing 
Hollow |
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Hollow
Developer
Joined: 05 Dec 2003
Posts: 34
Location: Berlin, Germany
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| Posted: Sun Nov 14, 2004 8:18 pm Post subject: |
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| little update to save some work... look at the changelog for details |
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Luxus
Tux's lil' helper
Joined: 21 Nov 2002
Posts: 98
Location: Germany / Frankfurt
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| Posted: Mon Nov 15, 2004 11:57 pm Post subject: |
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thx for the nice guide.. perhaps you can seperate the guides...
a easy guide how to create a optimized gentoo template is interesting for other distro user..
my partner is debian fan but if i can easily create him an gentoo template perhaps he will try it.. |
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Hackeron
Guru
Joined: 01 Nov 2002
Posts: 307
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| Posted: Tue Nov 23, 2004 5:01 pm Post subject: |
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| Sorry, but how is this different from UserMode Linux? |
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Q
Tux's lil' helper
Joined: 17 Apr 2002
Posts: 149
Location: Oxford, UK
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| Posted: Mon Nov 29, 2004 2:03 pm Post subject: |
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Hi, I have followed the guide as far as I can see but I get the following error. I would appreciate some help in resolving this. Thanks
>vserver gentoo-template start
Starting the virtual server gentoo-template
Error: /proc must be mounted
To mount /proc at boot you need an /etc/fstab line like:
/proc /proc proc defaults
In the meantime, mount /proc /proc -t proc
Server gentoo-template is not running
ipv4root is now 192.168.1.11
New security context is 49153
* Caching service dependencies...
Error: /proc must be mounted
To mount /proc at boot you need an /etc/fstab line like:
/proc /proc proc defaults
In the meantime, mount /proc /proc -t proc
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AMD 64 3200
Shuttle SN85G4/NForce 3 Chipset |
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dmistry
n00b
Joined: 20 Nov 2004
Posts: 2
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| Posted: Thu Dec 09, 2004 4:49 am Post subject: network configure error |
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I followed the great documentation and when I run the vserver start i get the following error can anyone help
[root@beast:/home/dmistry]$ vserver gentoo-template start
/usr/lib/util-vserver/vserver.functions: line 543: ip: command not found
/usr/lib/util-vserver/vserver.functions: line 545: ip: command not found
* Caching service dependencies ... [ ok ]
* Starting syslog-ng ... [ ok ]
* Loading key mappings ... [ ok ]
* Setting terminal encoding to ASCII ... [ ok ]
* Initializing random number generator ... [ ok ]
* Mounting network filesystems ... [ ok ]
* Starting vixie-cron ... [ ok ]
* Starting local ... [ ok ]
and i get no network |
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ppierre
n00b
Joined: 17 Aug 2004
Posts: 35
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| Posted: Thu Dec 09, 2004 8:31 pm Post subject: |
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I get same trouble.
| Code: | | emerge sys-apps/iproute2 |
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twarnick
n00b
Joined: 09 Dec 2004
Posts: 1
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| Posted: Fri Dec 10, 2004 5:22 pm Post subject: |
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i have other trouble 
engine-tw-nb ~ # vserver gentoo-template start
* Caching service dependencies...
engine-tw-nb ~ # vserver gentoo-template status
Vserver 'gentoo-template' is stopped
engine-tw-nb ~ # vserver-stat
CTX PROC VSZ RSS userTIME sysTIME UPTIME NAME
0 29 36.4M 4K 4m49s31 2m14s25 1h37m23 root server
engine-tw-nb ~ #
no error, but no vserver is started.
where can i look whats wrong ? |
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pjp
Administrator
Joined: 16 Apr 2002
Posts: 15989
Location: Colorado
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| Posted: Fri Dec 10, 2004 6:22 pm Post subject: |
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Moved from Documentation, Tips & Tricks.
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Safety is my gaol.
US Constitution | Amendments |
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basty
n00b
Joined: 20 Dec 2004
Posts: 1
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| Posted: Tue Dec 21, 2004 1:43 am Post subject: klogctl and /proc trouble |
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I did my best, please help
root@host:~ # vserver gentoo-template start
* Caching service dependencies...
klogctl: Operation not permitted [ ok ]
* Starting syslog-ng... [ ok ]
* Mounting network filesystems... [ ok ]
* Starting sshd... [ ok ]
* Starting vixie-cron... [ ok ]
* Starting local... [ ok ]
Error: /proc must be mounted
To mount /proc at boot you need an /etc/fstab line like:
/proc /proc proc defaults
In the meantime, mount /proc /proc -t proc
I tryed:
setattr --~hide /proc/uptime
and vserver-stat worked. |
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Hollow
Developer
Joined: 05 Dec 2003
Posts: 34
Location: Berlin, Germany
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| Posted: Thu Dec 23, 2004 6:34 pm Post subject: |
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i forgot to integrate vprocunhide in the init script
you can get it running by changing checkconfig() in your /etc/init.d/vservers to:
| Code: | checkconfig() {
: ${UTIL_VSERVER_VARS:=/usr/lib/util-vserver/util-vserver-vars}
[ -e $UTIL_VSERVER_VARS ] || {
eerror "Cannot find util-vserver installation"
eerror "(the file '$UTIL_VSERVER_VARS' would be expected)"
exit 1
}
. $UTIL_VSERVER_VARS
$_VPROCUNHIDE
: ${MARK:=default}
: ${LOCKFILE:=/var/lock/vservers-$MARK}
: ${NUMPARALLEL:=6}
} |
The ip command not found issue will be solved by installing iproute2 as mentioned above...
I'll update the ebuilds soon.
There will also be some additions about shared portdir and andvanced network configuration soon, so be patient.
Last edited by Hollow on Thu Dec 23, 2004 6:37 pm; edited 1 time in total |
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Hollow
Developer
Joined: 05 Dec 2003
Posts: 34
Location: Berlin, Germany
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| Posted: Thu Dec 23, 2004 6:35 pm Post subject: |
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| twarnick wrote: | i have other trouble
engine-tw-nb ~ # vserver gentoo-template start
* Caching service dependencies...
engine-tw-nb ~ # vserver gentoo-template status
Vserver 'gentoo-template' is stopped
engine-tw-nb ~ # vserver-stat
CTX PROC VSZ RSS userTIME sysTIME UPTIME NAME
0 29 36.4M 4K 4m49s31 2m14s25 1h37m23 root server
engine-tw-nb ~ #
no error, but no vserver is started.
where can i look whats wrong ? |
make sure /var/lib/init.d/ inside your vserver is empty before you start it |
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Hollow
Developer
Joined: 05 Dec 2003
Posts: 34
Location: Berlin, Germany
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| Posted: Thu Dec 23, 2004 6:39 pm Post subject: |
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| Luxus wrote: | thx for the nice guide.. perhaps you can seperate the guides...
a easy guide how to create a optimized gentoo template is interesting for other distro user..
my partner is debian fan but if i can easily create him an gentoo template perhaps he will try it.. |
I have plans to do this guide with Handbook GuideXML in order to get little pieces of howtos instead of one big one, but had much work lately, so again: be patient |
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Kostko
Tux's lil' helper
Joined: 07 Jul 2003
Posts: 83
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| Posted: Fri Dec 31, 2004 2:06 pm Post subject: |
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I also have a problem... the vserver starts up just fine (but there is a warning):
| Code: | WARNING: can not find configuration, assuming legacy method
Starting the virtual server alfa
Server alfa is not running
ipv4root is now 192.168.1.98
New security context is 49152
* Caching service dependencies...
* sysklogd -> start: syslogd... [ ok ]
* sysklogd -> start: klogd... [ ok ]
* Loading key mappings... [ ok ]
* Initializing random number generator... [ ok ]
* Mounting network filesystems... [ ok ]
* Starting vixie-cron... [ ok ]
* Starting local... [ ok ]
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And vserver-stat returs the following:
| Code: | CTX PROC VSZ RSS userTIME sysTIME UPTIME NAME
0 26 25.7M 2.6K 0m06s62 0m05s10 4m55s79 root server
49152 2 2.9M 334 0m00s00 0m00s00 0m18s57
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But then when i want to enter the vserver using "vserver alfa enter", i get:
| Code: | WARNING: can not find configuration, assuming legacy method
ipv4root is now 192.168.1.98
chcontext: vc_new_s_context(): Operation not permitted
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What am i doing wrong ?
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JID: kostko@transwarp.unimatrix-one.org |
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Kostko
Tux's lil' helper
Joined: 07 Jul 2003
Posts: 83
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| Posted: Fri Dec 31, 2004 6:24 pm Post subject: |
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Ok, i set it up... and after some patching it is now working on AMD64
_________________
JID: kostko@transwarp.unimatrix-one.org |
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halorgium
n00b
Joined: 06 Feb 2005
Posts: 1
Location: New Zealand
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lostSoul
Tux's lil' helper
Joined: 26 Oct 2002
Posts: 125
Location: /earth/germany/bielefeld
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| Posted: Mon Feb 07, 2005 5:05 pm Post subject: |
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Nice work!  |
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giant
Tux's lil' helper
Joined: 01 Aug 2002
Posts: 107
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| Posted: Mon Mar 14, 2005 11:02 am Post subject: |
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First of all - thanks a lot for the guide
I can start a vserver but I still have probs with the proc filesystem not being mounted
this is the output - I changed the gentoo-template name to vgentoo.
| Code: |
loki root # vserver vgentoo start
* Caching service dependencies...
klogctl: Operation not permitted [ ok ]
* Starting syslog-ng... [ ok ]
* Mounting network filesystems... [ ok ]
* Starting vixie-cron... [ ok ]
* Starting local... [ ok ]
Error: /proc must be mounted
To mount /proc at boot you need an /etc/fstab line like:
/proc /proc proc defaults
In the meantime, mount /proc /proc -t proc
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I changed the /etc/init.d/vserver to this:
| Code: |
#!/sbin/runscript
# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-cluster/util-vserver/files/0.30.196/vservers.initd,v 1.2 2005/02/25 07:23:00 hollow Exp $
opts="${opts} vstatus"
checkconfig() {
: ${UTIL_VSERVER_VARS:=/usr/lib/util-vserver/util-vserver-vars}
[ -e $UTIL_VSERVER_VARS ] || {
eerror "Cannot find util-vserver installation"
eerror "(the file '$UTIL_VSERVER_VARS' would be expected)"
exit 1
}
. $UTIL_VSERVER_VARS
$_VPROCUNHIDE
: ${MARK:=default}
: ${LOCKFILE:=/var/lock/vservers-$MARK}
: ${NUMPARALLEL:=6}
}
... and so on
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but I still get the error.
I followed the guide to the letter.
Or have I overlooked something ?
This is the system
| Code: |
Linux loki 2.6.11-grsec-vs1.9.5-rc1 #1 Thu Mar 10 12:22:17 CET 2005 i686 AMD Athlon(tm) XP 1800+ AuthenticAMD GNU/Linux
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Thanks for your help ! |
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giant
Tux's lil' helper
Joined: 01 Aug 2002
Posts: 107
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| Posted: Mon Mar 14, 2005 11:35 am Post subject: |
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Hah
| Code: |
/usr/lib/util-vserver/vprocunhide
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looks like vprocunhide does not get executed.
Could it be that the location changed ? My bash script fu is not that good but don't I have to configure the path & location of vprocunhide ?
After executing vprocunhide everything works |
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herka
n00b
Joined: 08 Aug 2003
Posts: 23
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| Posted: Thu Mar 17, 2005 10:53 pm Post subject: |
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Hi there,
Thanks for your work.
Few remarks on your howto :
1) vproc
"emerge vproc" is not mentioned, but it seems useful
2 /etc/init.d/vserver start
it seems to be useful before "vserver xxx start" to correct to "Error: /proc must be mounted" error at startup, maybe "/etc/init.s/bootmgr start" too (do not forget "rc-update ..." if you want an automatic start a boot time)
3) iptables dependancy
in sys-cluster/util-vserver-0.30-204, iptables is requiered for a successful compilation, the ebuild need some adjustment 
4) vserver stop starting
since sys-cluster/util-vserver-0.30-204 update, I was not able to start any vserver they stop after "* Caching service dependencies..."
I can provide "vserver --verbose --debug <xxx> start" output if it's meaningfull but I did not see any thing :-<
5) /etc/init.d/rebootmgr
I changed line 25: "$USR_SBIN/rebootmgr --pidfile $PIDFILE $VSERVERS &" by "/usr/lib/util-vserver/legacy/rebootmgr --pidfile $PIDFILE $VSERVERS &"
herka
EDITED: typo |
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herka
n00b
Joined: 08 Aug 2003
Posts: 23
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| Posted: Wed Mar 30, 2005 3:35 pm Post subject: |
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| herka wrote: |
4) vserver stop starting
since sys-cluster/util-vserver-0.30-204 update, I was not able to start any vserver they stop after "* Caching service dependencies..."
I can provide "vserver --verbose --debug <xxx> start" output if it's meaningfull but I did not see any thing :-<
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Not finding any solution, I had to create new vservers.
And know the news ...(drum roll)...
I have got the "same" probleme after upgrading the kernel from vserver-sources-1.9.5_rc1-r1 to vserver-sources-1.9.5 doing emerge and reboot (cymbal)
What did I missed?
I hope any one can help me to not have to reinstall my vservers.
Herka |
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bware
n00b
Joined: 23 Mar 2004
Posts: 22
Location: Amsterdam
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| Posted: Fri Apr 01, 2005 10:19 am Post subject: |
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Simply run `rm -rf /vservers/SVRNAME/var/lib/init.d/started/*` will probably make it work again.
Adding this to the SVRNAME.sh to the pre-start section will save you from a lot of headaches in the future.
_________________
Regards,
BWare |
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herka
n00b
Joined: 08 Aug 2003
Posts: 23
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| Posted: Wed Apr 06, 2005 11:19 pm Post subject: |
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| bware wrote: | | Simply run `rm -rf /vservers/SVRNAME/var/lib/init.d/started/*` will probably make it work again. |
I just figured that, any way thanks.
| Quote: | | Adding this to the SVRNAME.sh to the pre-start section will save you from a lot of headaches in the future. |
This seems to be a very good tips, thanks for it. I'm going to put it in the /etc/vserver/SVRNAME/scripts/pre-start script that I already use in the following way
| Code: | | mount --bind -o ro /usr/portage /vservers/SVRNAME/usr/portage |
. This allow me to have only one portage tree
BTW is there variable containing the vserver id created when a vserver is started, this would allow the use of generic script replacing SVRNAME by the variable.
herka |
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eschoeller
n00b
Joined: 03 May 2004
Posts: 35
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| Posted: Fri Jun 03, 2005 4:28 am Post subject: Tons of errors |
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Well i thought i followed this guide verbatim, but something is up:
I get this one:
klogctl: Operation not permitted
then i have issues with the filesystem:
* Checking root filesystem... [ ok ]
* Remounting root filesystem read/write...
* Root filesystem could not be mounted read/write [ !! ]
Give root password for maintenance
(or type Control-D for normal startup):
!!!!!
At first it was complaining that fsck.xfs was missing so i merged xfsprogs. I imagine there is something that needs to be changed in /etc/fstab??? I have the default one with /dev/BOOT etc... what should i change these to?
Thanks for the help! |
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eschoeller
n00b
Joined: 03 May 2004
Posts: 35
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| Posted: Fri Jun 03, 2005 4:55 am Post subject: Where to install baselayout-vserver? |
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| Does baselayout-vserver get installed on the host or on the vserver? I have it installed on the vserver, (i had the original sys-apps/baselayout installed for some reason - the USE variable didnt merge sys-apps/baselayout-vserver for some reason). If anyone has any suggestions please let me know: |
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