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About download ISO image, again
by Stephen Liu 16 Nov '06

16 Nov '06

Hi folks, It comes to my notice that there is an server version - CentOS-4.4.ServerCD-x86_64.iso http://mirror.myriadnetwork.com/centos/4.4/isos/x86_64/ I'm going to run CentOS as server. What packages are included there? Is X packages included as well which should not be on a server creating a risk hole. However on another hand it will be convenient for me at the early stage of installation to search documents on Internet. Just retain X not started at boot and remove all their packages after installation finished. I don't expect connecting a workstation to the server to do this job at the beginning. Advice would be appreciated. TIA B.R. Stephen

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hard drive failing in linux raid
by Joseph Cheng 15 Nov '06

15 Nov '06

Hello all. I have a server with a linux software raid1 setup between two drives of the same model....one hard drive as primary ide master and second hard drive as secondary master. Now primary master hard drive is displaying a lot of SMART errors so I would like to remove it and replace with another drive....different brand but same size. Partitions are /dev/md0 till /dev/md5. I think I know what to do based on mdadm man page and this list's archives but there is no harm in confirming right? ;) From this post http://lists.centos.org/pipermail/centos/2006-April/063076.html I plan on removing the old partitions from the array like this..... mdadm /dev/mdx -r /dev/hdax. Then I will shut down the server, replace the hard drive, make the server boot from second IDE drive and hopefully boot into Centos. From there do I have to manually create each /dev/mdx partition and then re-add them like this....mdadm /dev/mdx -a /dev/hdax ? That is what I am not sure about whether I have to partiton the drive exactly like the old one or if Centos mdadm can do some magic for me with a blank drive. TIA!!

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CentOS-announce Digest, Vol 21, Issue 9
by centos-announce-request＠centos.org 15 Nov '06

15 Nov '06

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CESA-2006:0738 Low CentOS 3 i386 openssh - security update (Tru Huynh) 2. CESA-2006:0738 Low CentOS 3 x86_64 openssh - security update (Tru Huynh) 3. CESA-2006:0738 Low CentOS 3 ia64 openssh - security update (Pasi Pirhonen) 4. CESA-2006:0719 Moderate CentOS 4 ia64 nss_ldap - security update (Pasi Pirhonen) 5. CESA-2006:0738 Low CentOS 4 ia64 openssh - security update (Pasi Pirhonen) 6. CESA-2006:0738 Low CentOS 3 s390(x) openssh - security update (Pasi Pirhonen) 7. CESA-2006:0719 Moderate CentOS 4 s390(x) nss_ldap - security update (Pasi Pirhonen) 8. CESA-2006:0738 Low CentOS 4 s390(x) openssh - security update (Pasi Pirhonen) ---------------------------------------------------------------------- Message: 1 Date: Wed, 15 Nov 2006 16:30:18 +0100 From: Tru Huynh <tru(a)centos.org> Subject: [CentOS-announce] CESA-2006:0738 Low CentOS 3 i386 openssh - security update To: centos-announce(a)centos.org Message-ID: <20061115153018.GA28821(a)sillage.bis.pasteur.fr> Content-Type: text/plain; charset="us-ascii" CentOS Errata and Security Advisory CESA-2006:0738 openssh security update for CentOS 3 i386: https://rhn.redhat.com/errata/RHSA-2006-0738.html The following updated file has been uploaded and is currently syncing to the mirrors: i386: updates/i386/RPMS/openssh-3.6.1p2-33.30.13.i386.rpm updates/i386/RPMS/openssh-askpass-3.6.1p2-33.30.13.i386.rpm updates/i386/RPMS/openssh-askpass-gnome-3.6.1p2-33.30.13.i386.rpm updates/i386/RPMS/openssh-clients-3.6.1p2-33.30.13.i386.rpm updates/i386/RPMS/openssh-server-3.6.1p2-33.30.13.i386.rpm source: updates/SRPMS/openssh-3.6.1p2-33.30.13.src.rpm You may update your CentOS-3 i386 installations by running the command: yum update openssh\* Tru -- Tru Huynh (CentOS-3 i386/x86_64 Package Maintenance) http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xBEFA581B

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sshd logging with GMT times?
by David Mackintosh 15 Nov '06

15 Nov '06

Hi folks, while chasing down a logging-related situation, I happened to notice that when I connect via ssh to my system it makes the following logs: Nov 15 14:15:39 saturn sshd[29868]: Accepted password for dave from ::ffff:10.0.10.14 port 2833 ssh2 Nov 15 09:15:39 saturn sshd[29867]: Accepted password for dave from ::ffff:10.0.10.14 port 2833 ssh2 Nov 15 09:15:39 saturn sshd(pam_unix)[29869]: session opened for user dave by (uid=0) That is, sshd appears to log the connection with GMT (or UCT) before the child sshd logs it with local time. This is messing up one of my reporting processes, since I have syslog-ng configured to produce a new file for every day, and at the end of the day I try to scan the newest file for the day's events. So if I ssh to the system after 7PM local time, the "newest" file is the one from "tomorrow" which has the GMT timestamped entries, not the entries from today. How do I either tell sshd to always use local time, or tell it not to make the first entry? -- /\oo/\ / /()\ \ David Mackintosh | Public Key: dave(a)xdroop.com | http://www.xdroop.com/dave/gpg.html $ gpg --recv-keys --keyserver subkeys.pgp.net 4C032504 Mystery attachment? http://wiki.xdroop.com/space/GPG

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System crashed & LVM1
by Guy Boisvert 15 Nov '06

15 Nov '06

Hi all! I'm new to this list. I wanted to have an opinion of the situation i'm facing now (i'm no expert in LVM). Last week, i had to re-install a system which had a system hard drive crash (it was clunking before it definitely died!). It was running on SuSE 9.0 before. I just finished to install a fresh copy of CentOS 4.4 on a new hard disk. I want to know if it's possible to "import" the old LVM array into the fresh CentOS install. We have 1 volume group (LVM1) that contains 3 whole hard drives. I had the time to save some informations before the system hard drive crashed definitely: I have vgcfgrestore info, i have volgroups_001.conf, i have the full /etc directory and pvdata. Here is a part of the info i have: PVDATA: ======= --- Physical volume --- PV Name /dev/sda VG Name volgroup_001 PV Size 298.09 GB [625142448 secs] / NOT usable 32.19 MB [LVM: 165 KB] PV# 1 PV Status available Allocatable yes (but full) Cur LV 1 PE Size (KByte) 32768 Total PE 9537 Free PE 0 Allocated PE 9537 PV UUID 5nc71v-D2mv-RpBX-3c3f-17tI-9ChT-mYctTg --- Volume group --- VG Name VG Access read/write VG Status NOT available/resizable VG # 0 MAX LV 256 Cur LV 1 Open LV 0 MAX LV Size 2 TB Max PV 256 Cur PV 3 Act PV 3 VG Size 670.53 GB PE Size 32 MB Total PE 21457 Alloc PE / Size 21457 / 670.53 GB Free PE / Size 0 / 0 VG UUID hf074V-P9DA-AmCU-F2pr-nfdD-QTaA-Ic0lH5 --- List of logical volumes --- pvdata -- logical volume "/dev/volgroup_001/loggroup_001" at offset 0 pvdata -- logical volume struct at offset 1 is empty pvdata -- logical volume struct at offset 2 is empty .... pvdata -- logical volume struct at offset 254 is empty pvdata -- logical volume struct at offset 255 is empty --- List of physical extents --- PE: 00000 LV: 001 LE: 00000 PE: 00001 LV: 001 LE: 00001 .... PE: 09535 LV: 001 LE: 09535 PE: 09536 LV: 001 LE: 09536 --- List of physical volume UUIDs --- 001: 5nc71v-D2mv-RpBX-3c3f-17tI-9ChT-mYctTg 002: 8bsBQR-bTiI-Zky5-Qvpu-oMtp-x62p-0uWwha 003: 6xAILO-KhgO-0U0c-Ir88-xZ8y-AIlc-JtPjDg --- NEW Physical volume --- PV Name /dev/hdc VG Name volgroup_001 PV Size 30.21 MB [61872 secs] PV# 2 PV Status NOT available Allocatable NO Cur LV 0 PE Size (KByte) 0 Total PE 0 Free PE 0 Allocated PE 0 PV UUID 8bsBQR-bTiI-Zky5-Qvpu-oMtp-x62p-0uWwha --- Volume group --- VG Name VG Access read/write VG Status NOT available/resizable VG # 0 MAX LV 256 Cur LV 1 Open LV 0 MAX LV Size 2 TB Max PV 256 Cur PV 3 Act PV 3 VG Size 670.53 GB PE Size 32 MB Total PE 21457 Alloc PE / Size 21457 / 670.53 GB Free PE / Size 0 / 0 VG UUID hf074V-P9DA-AmCU-F2pr-nfdD-QTaA-Ic0lH5 --- List of logical volumes --- pvdata -- logical volume "/dev/volgroup_001/loggroup_001" at offset 0 pvdata -- logical volume struct at offset 1 is empty .... pvdata -- logical volume struct at offset 254 is empty pvdata -- logical volume struct at offset 255 is empty --- List of physical extents --- --- List of physical volume UUIDs --- 001: 5nc71v-D2mv-RpBX-3c3f-17tI-9ChT-mYctTg 002: 8bsBQR-bTiI-Zky5-Qvpu-oMtp-x62p-0uWwha 003: 6xAILO-KhgO-0U0c-Ir88-xZ8y-AIlc-JtPjDg --- Physical volume --- PV Name /dev/hdd VG Name volgroup_001 PV Size 186.31 GB [390721968 secs] / NOT usable 32.19 MB [LVM: 151 KB] PV# 3 PV Status NOT available Allocatable yes (but full) Cur LV 1 PE Size (KByte) 32768 Total PE 5960 Free PE 0 Allocated PE 5960 PV UUID 6xAILO-KhgO-0U0c-Ir88-xZ8y-AIlc-JtPjDg --- Volume group --- VG Name VG Access read/write VG Status NOT available/resizable VG # 0 MAX LV 256 Cur LV 1 Open LV 0 MAX LV Size 2 TB Max PV 256 Cur PV 3 Act PV 3 VG Size 670.53 GB PE Size 32 MB Total PE 21457 Alloc PE / Size 21457 / 670.53 GB Free PE / Size 0 / 0 VG UUID hf074V-P9DA-AmCU-F2pr-nfdD-QTaA-Ic0lH5 --- List of logical volumes --- pvdata -- logical volume "/dev/volgroup_001/loggroup_001" at offset 0 pvdata -- logical volume struct at offset 1 is empty pvdata -- logical volume struct at offset 2 is empty .... pvdata -- logical volume struct at offset 254 is empty pvdata -- logical volume struct at offset 255 is empty --- List of physical extents --- PE: 00000 LV: 001 LE: 15497 PE: 00001 LV: 001 LE: 15498 .... PE: 05958 LV: 001 LE: 21455 PE: 05959 LV: 001 LE: 21456 --- List of physical volume UUIDs --- 001: 5nc71v-D2mv-RpBX-3c3f-17tI-9ChT-mYctTg 002: 8bsBQR-bTiI-Zky5-Qvpu-oMtp-x62p-0uWwha 003: 6xAILO-KhgO-0U0c-Ir88-xZ8y-AIlc-JtPjDg lvmdiskscan -- reading all disks / partitions (this may take a while...) lvmdiskscan -- /dev/sda [ 298.09 GB] USED LVM whole disk lvmdiskscan -- /dev/hdc [ 186.31 GB] USED LVM whole disk lvmdiskscan -- /dev/hdd [ 186.31 GB] USED LVM whole disk lvmdiskscan -- /dev/hda1 [ 1004.03 MB] Primary LINUX swap partition [0x82] lvmdiskscan -- /dev/hda2 [ 27.59 GB] Primary LINUX native partition [0x83] lvmdiskscan -- /dev/hda3 [ 45.95 GB] Primary LINUX native partition [0x83] lvmdiskscan -- 4 disks lvmdiskscan -- 3 whole disks lvmdiskscan -- 0 loop devices lvmdiskscan -- 0 multiple devices lvmdiskscan -- 0 network block devices lvmdiskscan -- 3 partitions lvmdiskscan -- 0 LVM physical volume partitions VGCFGRESTORE ============ vgcfgrestore -- INFO: using backup file "/etc/lvmconf/volgroup_001.conf" --- Volume group --- VG Name volgroup_001 VG Access read/write VG Status NOT available/resizable VG # 0 MAX LV 256 Cur LV 1 Open LV 0 MAX LV Size 2 TB Max PV 256 Cur PV 3 Act PV 3 VG Size 670.53 GB PE Size 32 MB Total PE 21457 Alloc PE / Size 21457 / 670.53 GB Free PE / Size 0 / 0 VG UUID hf074V-P9DA-AmCU-F2pr-nfdD-QTaA-Ic0lH5 --- Logical volume --- LV Name /dev/volgroup_001/loggroup_001 VG Name volgroup_001 LV Write Access read/write LV Status NOT available LV # 1 # open 0 LV Size 670.53 GB Current LE 21457 Allocated LE 21457 Allocation next free Read ahead sectors 1024 Block device 58:0 --- Physical volume --- PV Name /dev/sda VG Name volgroup_001 PV Size 298.09 GB [625142448 secs] / NOT usable 32.19 MB [LVM: 165 KB] PV# 1 PV Status available Allocatable yes (but full) Cur LV 1 PE Size (KByte) 32768 Total PE 9537 Free PE 0 Allocated PE 9537 PV UUID 5nc71v-D2mv-RpBX-3c3f-17tI-9ChT-mYctTg --- Physical volume --- PV Name /dev/hdc VG Name volgroup_001 PV Size 186.31 GB [390721968 secs] / NOT usable 32.19 MB [LVM: 151 KB] PV# 2 PV Status NOT available Allocatable yes (but full) Cur LV 1 PE Size (KByte) 32768 Total PE 5960 Free PE 0 Allocated PE 5960 PV UUID 8bsBQR-bTiI-Zky5-Qvpu-oMtp-x62p-0uWwha --- Physical volume --- PV Name /dev/hdd VG Name volgroup_001 PV Size 186.31 GB [390721968 secs] / NOT usable 32.19 MB [LVM: 151 KB] PV# 3 PV Status NOT available Allocatable yes (but full) Cur LV 1 PE Size (KByte) 32768 Total PE 5960 Free PE 0 Allocated PE 5960 PV UUID 6xAILO-KhgO-0U0c-Ir88-xZ8y-AIlc-JtPjDg Thanks if advance and long live to CentOS! Guy Boisvert

1 0

stange lockd issue on CentOS 4.4
by Alexey Loukianov 15 Nov '06

15 Nov '06

Greetings, CentOS. After up2dating one of the corporate mail servers to CentOS 4.4 (was CentOS 4.2) and upgrading kernel to kernel-smp-2.6.9-42.0.3.EL, the following kernel messages started to appear in syslog: [root@gamma ~]# dmesg ........... ...CUT..... ........... lockd: unexpected unlock status: 1 lockd: unexpected unlock status: 1 lockd: unexpected unlock status: 1 lockd: unexpected unlock status: 1 lockd: unexpected unlock status: 1 lockd: unexpected unlock status: 1 lockd: unexpected unlock status: 1 lockd: unexpected unlock status: 1 lockd: unexpected unlock status: 1 lockd: unexpected unlock status: 1 lockd: unexpected unlock status: 1 lockd: unexpected unlock status: 1 lockd: unexpected unlock status: 1 lockd: unexpected unlock status: 1 lockd: unexpected unlock status: 1 lockd: unexpected unlock status: 1 lockd: unexpected unlock status: 1 lockd: unexpected unlock status: 1 Rebooted with an older kernel (2.6.9-34.0.2.ELsmp), but the problem persists. This server utilizes NFS share as a storage volume for user mail boxes, the NFS server is also a CentOS 4.4 server, also with the kernel, up2dated to kernel-smp-2.6.9-42.0.3.EL few weeks ago. As this is a production environment, I can't simply go and reboot NFS server to an older kernel - this would lead to a small amount of downtime, which is undesirable for me. Could someone help me to understand what does that messages mean, why did they appear, and what caveats they may cause to me except for spammed syslog? Thanks in advance. -- Best regards, Alexey Loukianov mailto:aloukianov@lavtech.ru Software Development Department, Lavtech Corp http://mnogo.ru, http://lavtech.ru

1 0

Benchmarking DNS and DHCP
by Ian Anderson 15 Nov '06

15 Nov '06

Does anyone know of any FOSS tools that can assist in benchmarking ISC DNS and DHCP services? I would like to simulate X number of users attempting to pull an IP, resolve DNS names, etc. I would also like to test TCP connections into a CentOS server. We have some software that communicates with equipment via a TCP connection and I want to simulate thousands of TCP connections coming into one server. Any suggestions are welcome.

3 2

fetchmail problem
by Rajeev R Veedu 15 Nov '06

15 Nov '06

In my fetchmail setup it will fetch only 99 mails at a time. And if the mail numbers are more than 99 it fetch up to 99 and look back same e-mails again and again. (It won't delete the fetched mails) Could someone please help me how to fix this problem? Is there any setting in the fetchmail.rc file that default number of mails to be fetched in a go is max 99 or something like that? Or is there any other package which does the same job? If I could fix this problem I am quite happy to use fetchmail. Thanks Rajeev

2 1

Directory Server
by Leonardo Vilela Pinheiro 15 Nov '06

15 Nov '06

Did Red Hat release a stable (non-beta) and GPL version of Directory Server, or Fedora Directory Server is the only thing we have now? Can we have it on centosplus or extras? -- Vilela

3 3

OT: Q: Howto implement a monitored Shell for remote logins
by Sanjay Arora 15 Nov '06

15 Nov '06

I sometimes need to allow sub-contracted admins root ssh access to my servers. Later, I always wonder what they did during access. Is there any shell that provides all shell abilities to the remote user but monitors/emails a designated user each command executed in the shell terminal and does not allow the user (even root) to modify the bash history file or similar shell history file, or maybe sending each command by email to a remote server, so that modifying history becomes out of question? Hope someone can help. With regards. Sanjay.

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