Discuss June 2010

discuss@lists.centos.org

249 participants
188 discussions

Re: [CentOS] help with sendmail closing relay
by Jerry Geis 04 Jun '10

04 Jun '10

lists-centos wrote: > ok, what's in your /etc/mail/local-host-names, mailertable and > virtusertable files? > > - Richard > > > # local-host-names - include all aliases for your machine here. visualintercom.com unifiedpaging.com pagestation.com messagenetsystems.com mailertable is empty. Jerry

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update from 4.8 to 5.4?
by Robert Tate 04 Jun '10

04 Jun '10

I have searched the list, and don't see this covered or didn't search for the right words. I'm running CentOS 4.8 and have some DVD's for 5.4. I have a lot of customized and additional software installed and would like to avoid starting over with a scratch install. After the upgrade from the DVD I would do a yum upgrade to 5.5. Is this a workable (and safe) thing to do? What should I look out for? I plan to build a clone of the boot disk in case there is a problem so I can swap it back in to the hba1 position (as soon as I find a way to make a clone of a disk with LVM ). Here is some info on the system: [root@hat /]# cat /etc/redhat-release CentOS release 4.8 (Final) [root@hat /]# uname -a Linux hat.rbt.net 2.6.9-89.0.25.ELsmp #1 SMP Thu May 6 12:28:03 EDT 2010 i686 athlon i386 GNU/Linux[root@hat .spamassassin]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/VG00-LV00 2.0G 695M 1.2G 37% / /dev/hda1 494M 25M 444M 6% /boot none 1013M 0 1013M 0% /dev/shm /dev/mapper/VG00-LV04 9.9G 5.4G 4.0G 58% /home /dev/mapper/VG00-LV05 1008M 34M 924M 4% /opt /dev/mapper/VG00-LV03 4.0G 41M 3.7G 2% /tmp /dev/mapper/VG00-LV01 7.9G 4.2G 3.4G 56% /usr /dev/mapper/VG00-LV02 4.0G 929M 2.9G 25% /var Thanks in advance for any help with this.... Bob

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Recommendations for a webcam
by Karanbir Singh 04 Jun '10

04 Jun '10

hi, I am looking for recommendations for a webcam that works out of the box( or something that does not need major work getting going ) on CentOS-5. But I also need it to do : Better than 640x480, have the ability to work in low light and stream via vlc. I have a Philips SPC 900nc which looks good on paper, and just works, but its unable to really do better than 320x240 and its low light performance is quite sad. I've also tried using a logitech quick cam 9000 pro. Which suffers about the same fate. It does manage to get upto 640x480, but at a fairly average end result. Recommendations ? - KB

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[FZH] 关于如何得到最新的Fedora 13 命令
by sync 04 Jun '10

04 Jun '10

刚在网上看到可以使用下面的命令来更新到最新的Fedora 13 : root@xxx: yum --releasever=13 upgrade 这个命令我尝试了的确可以的，分享给大家...

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small touchscreen/ side monitor for access control application
by R P Herrold 04 Jun '10

04 Jun '10

A couple months ago there was an inquirant looking for a small, wall mountable monitor to provide an display and input device for entrance control on an area. Think Geek was out of stock on a possible offering, but just came back. I just received this notification of availabity Mimo Mini USB Monitor - 720-S Slider Touch http://www.thinkgeek.com/computing/usb-gadgets/bfa3/ I have no interest in this referral, beyond the hope of later receiving reports of people succeeding (and writing up) their adaptation of such to CentOS -- Russ herrold

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Re: [CentOS] help with sendmail closing relay
by Jerry Geis 04 Jun '10

04 Jun '10

lists-centos wrote: > Did you run the tests at: > > <http://www.abuse.net/relay.html> > > against your server? If so, what test did it fail at? > > What's in your /var/mail/access file with a "RELAY" tag? > > the test shows: Mail relay testing Connecting to 24.123.23.170 for anonymous test ... <<< 220 unifiedpaging.messagenetsystems.com ESMTP Sendmail 8.13.1/8.13.1; Fri, 4 Jun 2010 11:20:36 -0400 >>> HELO www.abuse.net <<< 250 unifiedpaging.messagenetsystems.com Hello gateway [192.168.1.1], pleased to meet you Relay test 1 >>> RSET <<< 250 2.0.0 Reset state >>> MAIL FROM:<spamtest(a)abuse.net> <<< 250 2.1.0 <spamtest(a)abuse.net>... Sender ok >>> RCPT TO:<securitytest(a)abuse.net> <<< 250 2.1.5 <securitytest(a)abuse.net>... Recipient ok Relay test result Hmmn, at first glance, host appeared to accept a message for relay. my access files consists of: # Check the /usr/share/doc/sendmail/README.cf file for a description # of the format of this file. (search for access_db in that file) # The /usr/share/doc/sendmail/README.cf is part of the sendmail-doc # package. # # by default we allow relaying from localhost... localhost.localdomain RELAY localhost RELAY 127.0.0.1 RELAY 192.168.1.2 RELAY 192.168.1.8 RELAY 192.168.1.38 RELAY 192.168.1.50 RELAY 192.168.1.59 RELAY 192.168.1.60 RELAY 192.168.1.124 RELAY 192.168.1.134 RELAY 192.168.1.135 RELAY 192.168.1.152 RELAY 192.168.1.173 RELAY 192.168.1.253 RELAY 192.168.1.254 RELAY 24.123.23.170 RELAY 24.123.23.171 RELAY pagestation.com RELAY visualpaging.com RELAY messagenetsystems.com RELAY 192.168.1 RELAY tw.yahoo.com REJECT hinet.net REJECT pandodo.org REJECT beetara.org REJECT beautiful-products.com REJECT boldselection.com REJECT email.womanwithin.com REJECT healthdesigns.com REJECT ikitchen.com REJECT shiptoner.org REJECT enterprise-alerts.com REJECT jetsgloves.com REJECT .ru REJECT .su REJECT .com REJECT .net REJECT

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Interrupt on pressing reset button
by premrajm＠digilink.in 04 Jun '10

04 Jun '10

Hi, On Centos-5.3, is it possible to capture an interrupt when the reset button on the Supermicro Box is pressed ? Regards, Premraj M Disclaimer : This message is proprietary to Smartlink Network Systems Ltd. and is intended solely for the use of the individual to whom it is addressed. It may contain privileged or confidential information and should not be circulated or used for any purpose other than for what it is intended. If you have received this message in error, please notify the originator immediately. If you are not the intended recipient, you are notified that you are strictly prohibited from using, copying, altering, or disclosing the contents of this message. The company accepts no responsibility for loss or damage arising from the use of the information transmitted by this email including damage from virus. ______________________________________________________________________________ This email has been scrubbed for your protection by SecureMX. For more information visit http://securemx.in ______________________________________________________________________________

4 3

Calendar server
by sync 03 Jun '10

03 Jun '10

Hi ,all : I recently switched to using Thunderbird for my email and installed the Lightning calendar add-on. Now all I need is a remote calendar server. I just need a simple server to support a few personal calendars and a shared calendar. Any recommendations for a CentOS / Apache based calendar server?* *

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Re: [CentOS] Logwatch, cron, and dovecot
by Bob Hoffman 03 Jun '10

03 Jun '10

I think I found it...and I think it is a bug. Here is a file in usr/share/logwatch/default.conf/logfiles/cron.conf It appears this file tells it where to look for the cron file...and the cron file location is dead wrong. It should be /var/log/cron I believe. Is this the correct fix to make logwatch once again grab my cron files since 5.5 update? ########################################################################## # $Id: cron.conf,v 1.11 2005/02/24 17:05:18 kirk Exp $ ########################################################################## ######################################################## # This was written and is maintained by: # Kirk Bauer <kirk(a)kaybee.org> # # Please send all comments, suggestions, bug reports, # etc, to kirk(a)kaybee.org. ######################################################## # What actual file? Defaults to LogPath if not absolute path.... #Solaris is /var/cron/log -mgt LogFile = /var/cron/log LogFile = cron # If the archives are searched, here is one or more line # (optionally containing wildcards) that tell where they are... Archive = cron.* Archive = archiv/cron.* *OnlyHost *RemoveService = anacron # vi: shiftwidth=3 tabstop=3 et

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SUN Storage 7310 with RHEL 5.5 / Centos 5.5 and multipathed root, again.
by Jens Neu 03 Jun '10

03 Jun '10

Dear all, After some trouble finding the right multipath.conf, I'm running Centos 5.5 against the SUN 7310 more or less successfully now. Unfortunately one issue remains: the SUN 7310 has two storage heads, H1 and H2, which are in a active/passive configuration. If I define a LUN on H1, everything works great. I edit multipath.conf, re-create the initrd and I find 8 paths with active/ready and active/ghost: mpath0 (3600...0001) dm-0 SUN,Sun Storage 7310 [size=50G][features=1 queue_if_no_path][hwhandler=0][rw] \_ round-robin 0 [prio=200][active] \_ 0:0:0:0 sda 8:0 [active][ready] \_ 0:0:1:0 sdd 8:48 [active][ready] \_ 1:0:0:0 sdg 8:96 [active][ready] \_ 1:0:1:0 sdj 8:144 [active][ready] \_ round-robin 0 [prio=4][enabled] \_ 1:0:2:0 sdm 8:192 [active][ghost] \_ 0:0:2:0 sdn 8:208 [active][ghost] \_ 1:0:3:0 sds 65:32 [active][ghost] \_ 0:0:3:0 sdt 65:48 [active][ghost] Thing is: as soon as I set up a machine with the LUN(s) on the second head, all works well until I want to boot with the freshly created initrd/multipath.conf. System hangs with Kernel Panic, "Creating multipath devices... no devices found" and "mount: could not find filesystem '/dev/root'". Workaround: when I remove the paths to the passive ("ghost paths") Storage head in the SAN Fabric, the system boots fine and I can re-enable the paths when the kernel is up. The paths become [active][ghost] as wished after some time when they show up in the FC Zoning. This smells like broken mkinitrd to me. System is very up-to-date, Centos 5.5 Version below: [root@dev-db3 ~]# yum list device-mapper-multipath Installed Packages device-mapper-multipath.x86_64 0.4.7-34.el5_5.1 installed [root@dev-db3 ~]# uname -r 2.6.18-194.3.1.el5 Any suggestions? best regards from Berlin, Jens Neu Health Services Network Administration

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Discuss June 2010