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I appear to be attacking others
by James Pifer 11 Feb '06

11 Feb '06

It looks like my CentOS 4.2 box is attacking other people with some type of ftp attack. I got an email from somebody saying they were being attacked by my IP address. Further investigation /var/log/messages shows a whole bunch of sshd attacks on me, none of which appear successful. I'm running ethereal right now and I can see that my system is doing some kind of ftp attacks on others. I've think I've stopped the outgoing attacks at my firewall, but how do I proceed from here? Thanks, James

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4.2 install w/250GB raid arrays won't boot
by rado 11 Feb '06

11 Feb '06

hi! raid 1 arrays: I already have 2 systems running this same raid1 config. 1 sys has 2 120 gb 1 sys has 1 120gb and 1 200gb but matching the raid partitions this system here that is giving me fits right now has 1 250gb and 1 200gb. I tried it w/a new 250 gb for the 2nd drive but the same results. Will not boot. in druid, when I am config. the raid arrays, I always create the boot partitions in hda1 and hdc1 and make them primary...maybe I am doing wrong by giving them 200mb instead of 100mb but I do it in the other 2 raided systems I run and no probs. I then create the sys partitions: hda2 and hdc2 lastly, the swaps as hda3 and hdc3 ........................... grub: here's what I did/do and here's the results: linux rescue chroot /mnt/sysimage /sbin/grub-install /dev/hda ...the complaint/result: /dev/md0 does not have any corresponding drive I have tried: /sbin/grub-install /dev/hda (as a stab in the dark) it gives the same result /sbin/grub-install /dev/hdc also produces the same result I have done the following: dropped to grub # grub grub> root (hd0,0) result: Filesystem type is ext2fs, partition type 0xfd grub> setup (hd0,0) result: Checking if: "/boot/grub/stage1" exists ....no "/grub/stage1" exists...yes "/grub/stage2" exists...yes "/grub/e2fs_stage1_5" exists...yes Running: "embed /grub/e2fs_stage1_5 (hd0,0)"...failed(this is not fatal) "embed /grub/e2fs_stage1_5 (hd0,0)"...failed(this is not fatal) "install /grub/stage1 (hd0,0) /grub/stage2 p /grub/grub.conf"...suceeded done I messed w/cmos...oh, enable/disable S.M.A.R.T. Drive....bypassing cd- rom drive...so hd0 be the first boot...nothing changes...just "DISK BOOT FAILURE" etc thx! John Rise

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FW: [CentOS] Unable to update
by Wright, Paul 11 Feb '06

11 Feb '06

Thanks for the quick response! Here is my yum.repos.d -> [base] name=CentOS-$releasever - Base baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/ gpgcheck=1 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos4 #released updates [update] name=CentOS-$releasever - Updates baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/ gpgcheck=1 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos4 #packages used/produced in the build but not released [addons] name=CentOS-$releasever - Addons baseurl=http://mirror.centos.org/centos/$releasever/addons/$basearch/ gpgcheck=1 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos4 #additional packages that may be useful [extras] name=CentOS-$releasever - Extras baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/ gpgcheck=1 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos4 #additional packages that extend functionality of existing packages [centosplus] name=CentOS-$releasever - Plus baseurl=http://mirror.centos.org/centos/$releasever/centosplus/$basearch / gpgcheck=1 enabled=0 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos4 #contrib - packages by Centos Users [contrib] name=CentOS-$releasever - Contrib baseurl=http://mirror.centos.org/centos/$releasever/contrib/$basearch/ gpgcheck=1 enabled=0 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos4 #packages in testing [testing] name=CentOS-$releasever - Testing baseurl=http://mirror.centos.org/centos/$releasever/testing/$basearch/ gpgcheck=1 enabled=0 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos4 And here is the yum.conf -> [main] cachedir=/var/cache/yum debuglevel=2 logfile=/var/log/yum.log pkgpolicy=newest distroverpkg=centos-release tolerant=1 exactarch=1 retries=20 obsoletes=1 gpgcheck=1 # PUT YOUR REPOS HERE OR IN separate files named file.repo # in /etc/yum.repos.d I ran 'yum clean all' and it reported 4 metadata files removed but afterwards I again ran 'yum update' with the same result. I appreciate any insight you can share. Paul Paul M. Wright, Jr. Senior Systems Engineer Northwest Fire District 520-260-7520 cellular 520-887-1010 office 520-887-1034 fax pwright(a)northwestfire.org -----Original Message----- From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf Of Phil Schaffner Sent: Friday, February 10, 2006 4:01 PM To: CentOS mailing list Subject: Re: [CentOS] Unable to update On Fri, 2006-02-10 at 14:41 -0700, Wright, Paul wrote: > Greetings! > > I am running a Centos-4 box and since January 17, I have been unable to > update. > > If I run 'yum update' from the command line, I get error messages about > being unable to locate a mirror while trying to obtain primary.xml.gz. > > If I run up2date from the GUI, it times out as it is trying to access > the update file for firefox. > > Other than the problem with updates, this box doesn't seem to have any > trouble accessing Web sites and there is not a proxy server in use on > our network. Another box on my network that is running Centos-3 does > not appear to be having the same problem. > > I would appreciate any hints on where to start troubleshooting this > problem. A safe starting point is "yum clean all", but sounds more like your mirror list is pointing to a server that is not available, has dropped CentOS, or changed the path. Check all the servers in your config files. I like to use a local mirrorlist and/or hand-configure nearby and fast mirrors with baseurl=... in the /etc/yum.repos.d/*.repo files. If you want more detailed help you need to supply more info on your configuration. Phil _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

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question on software raid-1
by Jerry Geis 11 Feb '06

11 Feb '06

I have a system that is RAID -1 configured as /dev/md0 is /dev/hda1 /dev/hdb1 /dev/md1 is /dev/hdb3 /dev/hdb3 it seems as though /dev/hda has failed.... I have another disk (identical model) that I can replace hda with. I know about the commands fdisk to repartion and raidhotadd /dev/md0 /dev/hda1 and raidhotadd /dev/md1 /dev/hda3 (to be ran after the system boots). BUT... how do I now get the system to boot since hda is not there to boot... I can certainly execute the fdisk and raidhotadd after it boots... How do I get it to boot. The hardware is a D865 intel motherboard with 2 seagate 120G drives. Thanks, Jerry

2 1

Unable to update
by Wright, Paul 10 Feb '06

10 Feb '06

Greetings! I am running a Centos-4 box and since January 17, I have been unable to update. If I run 'yum update' from the command line, I get error messages about being unable to locate a mirror while trying to obtain primary.xml.gz. If I run up2date from the GUI, it times out as it is trying to access the update file for firefox. Other than the problem with updates, this box doesn't seem to have any trouble accessing Web sites and there is not a proxy server in use on our network. Another box on my network that is running Centos-3 does not appear to be having the same problem. I would appreciate any hints on where to start troubleshooting this problem. Paul Paul M. Wright, Jr. Senior Systems Engineer Northwest Fire District 520-260-7520 cellular 520-887-1010 office 520-887-1034 fax pwright(a)northwestfire.org

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Duplicate computers
by centos＠911networks.com 10 Feb '06

10 Feb '06

Hi, I need to do an install on 12 identical computers. Once I have done the install on one of them, is there a simple way to duplicate the drive to the next computer. I do not have access to Ghost, any suggestion? -- Thanks http://www.911networks.com When the network has to work

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quick question on yum
by Jerry Geis 10 Feb '06

10 Feb '06

I think I saw where up2date is going away (perhaps browsing FC5 new and changed items) "yum update" will ask me if it wants to proceed. I have not seen a way to not have the prompt for Y/N? Is there a way to not prompt and just go ahead and do the update. Thanks, Jerry

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Mount LVM
by Simone 10 Feb '06

10 Feb '06

Hi guys, sorry if this is trivial, but I have been googling a couple days and already compromised a test disk trying to figure this out, so I thought it is time to ask for some advice. I have a disk that comes from a clean and working CentOS4.2 install, and I am trying to use an external usb to ide converter to mount it on another workstation with CentOS4.2. I am trying this to better understand how LVM works, in the case of a future disaster/recovery scenario. Simply trying to mount it: mount -t ext3 /dev/sdc2 /share/ mount: wrong fs type, bad option, bad superblock on /dev/sdc2, or too many mounted file systems fdisk -l shows /dev/sdc1 * 1 13 104391 83 Linux /dev/sdc2 14 7476 59946547+ 8e Linux LVM and in fact, /dev/sdc1 is automatically mounted. vgscan reveals only my current volume group Found volume group "VolGroup00" using metadata type lvm2 (mount --> /dev/mapper/VolGroup00-LogVol00 on / type ext3 (rw)) lvmdiskscan --> /dev/sdc2 [ 57.17 GB] LVM physical volume ---> This being the volume I want to mount lvscan detects only the volumes on my system ACTIVE '/dev/VolGroup00/LogVol00' [112.34 GB] inherit ACTIVE (root) '/dev/VolGroup00/LogVol01' [1.94 GB] inherit (swap) If I run "vgchange -a y" --> 2 logical volume(s) in volume group "VolGroup00" now active, the ones in my system. I went through LVM Howto, and also tried to follow a few "mount/recovery procedures" with the only result of compromising the other test disk. I think this the problem is that the vg on my system has the same name of the one on the external usb disk, but I am not sure of what result would have running vgrename, vgcreate or lvcreate on the data, so I'd rather wait for some advice. Any help appreciated

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mkinitrd trouble
by Aleksandar Milivojevic 10 Feb '06

10 Feb '06

I've just updated one machine from 4.0 to 4.2. The trouble is, the new kernel doesn't want to boot (2.6.9-22.EL, also tested 2.6.9.22.0.2.EL). Usually, manually recreating initrd file solved this problem in the past for me. But not this time. Playing around, I also noticed that if I rebuild initrd for the old kernel, then it also fails to boot. The only way to boot it up is using the original initrd image created when the system was initally installed. The machine has two volume groups, sys and backup. The sys volume group contains logical volumes with operating system, the backup volume group just holds some temporary application data. Looking at what goes on the console during boot, the only difference between what happens is initialization of LVM (nash script in initrd image). With the old one, it reports it has found two volume groups (backup and sys, in that order), and then that it actived all volumes in both of them. With new initrd images, it reports it has found two volume groups, but activated only volumes from volume group sys. The root file system is part of sys volume group (so its logical volume should be active). The backup volume group contains file system with some data, and it's presence (or non-presence) theoretically shouldn't affect bootability of machine. However, booting still fails with root file system not mounted and of course kernel panic since it can't find init. I've attempted doing several things (vgchange -a y, vgcfgbackup, checking the files it created, vgcfgrestore, then recreating initrd images). But nothing helped. I guess all needed device driver are correctly loaded, since it was able to detect volume group (and both volume groups are on the same RAID controller). Running mkinitrd in verbose mode looks fine too. Any help would be greatly appriciated. ---------------------------------------------------------------- This message was sent using IMP, the Internet Messaging Program.

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CentOS 4.2 - Samba 3.0.10-1.4E.2 - Long Filenames Issue
by Tom Brown 10 Feb '06

10 Feb '06

Hi Got a call from a customer who has a mixed OSX and MS shop. They are having issues with a new fileserver box i installed for them. All seems well but when they copy files with long names onto the box it fails with "Filename too long" or something like that (i'm relying on what the customer is saying to me) They are using a G5 with Panther i believe to so this so anyone seen this before as i never have and i have setup many mixed shops in the past. thanks!

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