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retitle Traffic forwarding issue between Xen domU/dom0 thanks This week again this bug occurred again so we are trying to create some kind of reproduce algorithm. First we've created two virtual machines named koekiemonster.bofh.hq.mendix.net and netappsim.bofh.hq.mendix.net. We've added 29 vifs to koekiemonster.bofh.hq.mendix.net. During this tests we've always had a ping running to all ip addresses on koekiemonster.bofh.hq.mendix.net. Dom0 details: Debian Squeeze 6.0.6 Linux sirius 2.6.32-5-xen-amd64 #1 SMP S...

...28314280 870353 > de = fmd:///module/software-diagnosis > fault-list-sz = 0x1 > fault-list = (array of embedded nvlists) > (start fault-list[0]) > nvlist version: 0 > version = 0x0 > class = defect.sunos.kernel.panic > certainty = 0x64 > asru = > sw:///:path=/var/crash/bofh-sol/.4f6725c1-509f-eba4-8774-e627e1925461 > resource = > sw:///:path=/var/crash/bofh-sol/.4f6725c1-509f-eba4-8774-e627e1925461 > savecore-succcess = 0 > os-instance-uuid = 4f6725c1-509f-eba4-8774-e627e1925461 > panicstr = BAD TRAP: type=e (#pf Page fault) rp=ffffff0010a5e920 addr=30...

I tried to run this: :(){ :&:;};: as a non-root user in my CentOS4 and it bring down my box to its knees. Take care. str

We have several large ext3 file system partitions. One of them sets itself to read-only after getting journel problems. I understand that's a good thing, but obviously I need to correct the problem so that it will stop locking itself. Here are some details; OS is Redhat EL4 x86_64 running on a SunFire v40z, kernel is 2.6.9-42.0.2.ELsmp. The disk storage in question is external, via

Have a look at these pages: http://www.bofh-hunter.com/2008/06/13/3ware-performance-in-centos/ https://bugzilla.redhat.com/show_bug.cgi?id=444759 I'm comparing the default 5.1 64bit kernel with the patched one posted in the bug report (kernel-2.6.18-53.1.21.el5.bz321111.x86_64) and I don't quite see any significant difference in w...

Hello. I've now compiled and installed Samba 3.0 alpha 21 on a Red Hat 8.0 box (since I sadly don't have a current Mandrake box available in our network). Now I'm somewhat lost - what do I have to do, to make the Samba server join the Active Directory (which doesn't support NT 4.0 Domains)? Is "net ads join" the only thing I've got to do? Where do I set which AD

We are seeing some poor performance recently that is focused around users with large mailboxes (100,000 message /INBOX, 80,000 message subfolders, etc). The performance problem manifests as very high system% utilization - basically iowait for NFS. There are two imap servers with plenty of horsepower/memory/etc. They are connected to a 3050c cluster via gig-e. Here are the mount options:

...911.5acdd26fdc+dfsg-2~bpo9+1) ... So it seems a file has moved to another package, and the order in which they are upgraded matters. In the end I still have xen-hypervisor-4.8-amd64 and libxen-4.8, all other packages are 4.11-blah. ---- >8 ---- 5. Try to still use 4.8 -# xen create -c blaat.bofh.dpl.mendix.net Parsing config from blaat.bofh.dpl.mendix.net libxl: info: libxl_create.c:105:libxl__domain_build_info_setdefault: qemu-xen is unavailable, using qemu-xen-traditional instead: No such file or directory xenconsole: Could not read tty from store: Success There's no xenconsoled pro...

Hi, when proxying lmtp from director to backend, director does not use STARTTLS. Delivering mails with postfix via lmtps to backend or director works encrypted. Is there a way to force the use of STARTTLS on dovecot director lmtp proxy? Regards, Matthias -- BOFH excuse #446: Mailer-daemon is busy burning your message in hell. (hbox storage?)

Evolution (aka JimPerrin - or is this the other way around?) has been working on this excellent wiki article: http://wiki.centos.org/HowTos/OS_Protection However, the discussion is taking place at his own blog site http://www.bofh-hunter.com/ . Because this is a CentOS wiki article, I just wonder why we cannot do it here. Sure, his blog site may collect a wider audience, but we traditionally deals with all CentOS wiki articles on this mailing list. Here it is. I am starting this thread for those who would like to offer s...

Hi, Our dovecot setup consists of two hosts running dovecot-1.0.beta9 with Maildir/indices stored on NFS(noac,actimeo=0 used). I am seeing these messages at times - but no real problems on the client side. Is this something to worry about? dovecot: Oct 17 10:33:31 Error: IMAP(user): Corrupted index cache file mailstore/user/Maildir/.mail.incoming/dovecot.index.cache: invalid record size

...of non-void function login.c: In function `record_login': login.c:143: storage size of `ll' isn't known login.c:143: warning: unused variable `ll' *** Error exit code 1 gcc is 2.95.2, but I do not think there is really a problem. TIA, -- Philipp Buehler, aka fIpS | sysfive.com | BOfH | NUCH | <double-p> %SYSTEM-F-TOOEARLY, please contact your sysadmin at a sensible time. Artificial Intelligence stands no chance against Natural Stupidity.

I would like to automatically deduce in a script if an ssh key is encrypted or not. Basically in a very particular application I want to be the BOFH and enforce that users place a passphrase on their id_rsa key. If they don't put a passphrase I want to send them back to ssh-keygen until they do. I have not been able to deduce a way to detect this yet. Any hints? Thanks Bob

Hi all, I was trying to mount root-partition which is ext3 partition with noatime and ro option. I included "ro" in the kernel command line But for mounting it with "noatime" option when I searched for some solution I came across a patch http://lkml.org/lkml/2007/8/5/38 But after applying this patch and including option "noatime" in

Hello All, My username is MikeThompson The link to configure Aide at the bottom of this page: https://wiki.centos.org/HowTos/OS_Protection Is dead, and says its dead, however, the old link to http://www.bofh-hunter.com/2008/04/10/centos-5-and-aide/ now redirects to a malicious website. One of my less than savvy users got his windows machine infected there last night. I'm wondering if it makes sense to change the link to point to one of the following guides which are very decent: http://www.serve...

...flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 options=3<RXCSUM,TXCSUM> inet 1.2.3.4 netmask 0xfffffff8 broadcast 5.6.7.8 ether 00:06:5b:f7:c8:7b media: Ethernet autoselect (1000baseTX <full-duplex>) Any ideas would be greatly appreciated. -- Robert Blayzor, BOFH INOC, LLC rblayzor@inoc.net http://www.inoc.net/~rblayzor/

Hi, By running some scripts on our target system for a while, I lost all means of access to the system. It seems that the kernel is crashed with the following error message: Assertion failure in do_get_write_access() at transaction.c:731: "(((jh2bh(jh))->b_state & (1UL << BH_Uptodate)) != 0)" Oops: Exception in kernel mode, sig: 4 We are currently running Linux version

...the user still being logged in though according to the system logs the user has logged out. Here's an example: [tom@releng-7-fbsd tom]$ w 12:50AM up 6 days, 12:30, 2 users, load averages: 0.24, 0.31, 0.30 USER TTY FROM LOGIN@ IDLE WHAT tom p0 bofh 12:50AM - w [tom@releng-7-fbsd tom]$ last tom ttyp0 bofh Mon Jul 23 00:50 still logged in ... [tom@releng-7-fbsd tom]$ sudo kill ... [tom@releng-7-fbsd tom]$ w 12:53AM up 6 days, 12:34, 1 user, load averages: 0.17, 0.22, 0.25 USER TTY...

...many dovecot-auth processing sitting doing nothing. They grow to the extent that mysql runs out of connections after a week. Any ideas? Regards Andrew -- Andrew Hutchings (A-Wing) Linux Guru - Netserve Consultants Ltd. - www.domaincity.co.uk Admin - North Wales Linux User Group - www.nwlug.org.uk BOFH excuse 423: It's not RFC-822 compliant.

...n able to find out what it is, nor whether wine has any way to set this up, or even if I can copy windows DLL's over. I can get Adobe Acrobat 7.0 to run, for example, but many actions fail with the error "cannot initialize JDF library". Any enlightenment happily accepted. Gernot -- BOFH excuse #443: Zombie processes detected, machine is haunted.