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procmail recipe
by Jerry Geis 13 Mar '09

13 Mar '09

hi all I am trying to filter emails to a user (weather) based on the subject: :0 *^Subject:.*Weather | /usr/bin/formail | /path/to/executable *^Subject:.*Tornado | /usr/bin/formail | /path/to/executable All it does is deliver the email to the weather inbox. For testing I tried. echo 1 | mail -s "Tornado" weather Enabling verbose and log file gives me: From root(a)devcentos5x64.msgnet.com Fri Mar 13 10:04:07 2009 Subject: Tornado Folder: /var/mail/weather 671 Seems like it should work... What did I miss. Jerry

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date differs permanent some 3450 sec.
by Helmut Drodofsky 13 Mar '09

13 Mar '09

Hi, the date jumps within 30 seconds to a wrong value. ntp service is stopped at the beginning. Whereas hwclock seems more precise. [root@kerio ~]# service ntpd stop Shutting down ntpd: [ OK ] [root@kerio ~]# ntpdate 0.centos.pool.ntp.org 13 Mar 07:04:48 ntpdate[23003]: step time server 131.234.137.24 offset -3450.678273 sec [root@kerio ~]# hwclock Fri 13 Mar 2009 07:04:59 AM GMT -0.014767 seconds [root@kerio ~]# date Fri Mar 13 07:05:02 GMT 2009 [root@kerio ~]# date Fri Mar 13 07:05:14 GMT 2009 [root@kerio ~]# date Fri Mar 13 08:03:01 GMT 2009 [root@kerio ~]# hwclock Fri 13 Mar 2009 07:05:37 AM GMT -0.083628 seconds [root@kerio ~]# /etc/ntp.conf is in original configuration. Remarks: - most of our servers run without X-Windows, this uses X-Windows and Gnome. - the server runs kerio mail services. Even the original from kerio configured VMWare server has had this behavior. - stopping of keriomailserver does not help Helmut

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Postfix smtp_recipient_restrictions causing mail to fail
by Logan Moore 13 Mar '09

13 Mar '09

Hi All, I'm currently playing with smtp_recipient restrictions to try and knock some of this spam on it's head. On my old debian server, I was using this and successfully filtering out at least 90% if not more of all spam emails which was great. I didn't even need spamassassin. However, trying to do the same thing on my new CentOS based server isn't working. With the following enabled, nothing comes through from the outside world. Can anybody see where I've gone wrong. I can't fathom why this would block all incoming emails from the web. smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_invalid_hostname, reject_non_fqdn_hostname, reject_non_fqdn_sender, reject_non_fqdn_recipient, reject_unknown_sender_domain, reject_unknown_recipient_domain, reject_rbl_client zen.spamhaus.org, permit Thanks, Kind regards, Logan Moore

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wodim for CentOS?
by Marcelo M. Garcia 13 Mar '09

13 Mar '09

Hi Is the wodim package available for CentOS? I can only find cdrecord. Thanks Marcelo

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WAY OT: domain name registration .co.za
by Glenn 13 Mar '09

13 Mar '09

Hello All, Very sorry about WAY off-topic query, but you folks really are one of my most International subscribed groups. I am looking for a recommendation for a domain name registrar I can register my .co.za domain name with that won't 'yank my chains'. I tried a couple attempts at registering and found some hidden fees along with the insistence that I had to host my DNS with them. Lots of hosting bundles! I just want a registrar that can register the domain name and use MY DNS servers. I'll do all the hosting, thank you very much! Thanks in Advance! Glenn

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How to find out values from dhcp query
by Robert Moskowitz 12 Mar '09

12 Mar '09

How can I find out what variables and their values were provided by a dhcpd server to my client? I thought perhaps /etc/dhclient-eth1.conf, but that is not the place...

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port based routing
by Marcus Moeller 12 Mar '09

12 Mar '09

Good Evening, I am trying to set up port based routing on a CentOS 5.2 box as described here: http://www.linuxhorizon.ro/iproute2.html (second example) Therefor I have set up the following mangle and routing rules: $IPTABLES -A OUTPUT -t mangle -p tcp --dport 1100 -j MARK --set-mark 1 $IPTABLES -A OUTPUT -t mangle -p tcp --dport 1101 -j MARK --set-mark 2 $IPTABLES -A OUTPUT -t mangle -p tcp --dport 1102 -j MARK --set-mark 3 $IP route add default dev ppp100 table SOESTCOM1 $IP route add default dev ppp101 table VERSATEL1 $IP route add default dev ppp102 table TONLINE1 $IP rule add from all fwmark 1 table SOESTCOM1 $IP rule add from all fwmark 2 table VERSATEL1 $IP rule add from all fwmark 3 table TONLINE1 iptables -t mangle -L -vn output: http://pastebin.centos.org/24626 shows that the packages are marked correctly. Here is an example ip route show table output: default dev ppp102 scope link But it seems (and tcpdump indicates) that packages are still routed via default route, instead. Do I need to set some proc flags to activate port based routing? Best Regards Marcus

1 1

howto prevent gnome_panel from starting up one 5.2 x86_64
by Jerry Geis 12 Mar '09

12 Mar '09

how do I prevent gnome_panel from starting up? once its started I can do "gnome-session-remove gnome_panel" But I dont want it to startup at all. How can I do that? jerry

3 2

Re: [CentOS] Getting "poll: protocol failure in circuit setup" from rsh - solved
by Sorin Srbu 12 Mar '09

12 Mar '09

>-----Original Message----- >From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf >Of Sorin Srbu >Sent: Friday, February 20, 2009 11:36 AM >To: 'CentOS mailing list' >Subject: [CentOS] Getting "poll: protocol failure in circuit setup" from rsh > > I inherited a cpu-stats script from the previous *nixadmin at our > department. This script relies on a rsh-command to get the vmstats from the > remote machines and then using a perl script to push it to a web server. > >Now I've just added a new machine running CentOS 5.2 x64 to the script and I >get the error message in the subject line; "poll: protocol failure in >circuit setup". Replying on my own post for archival reasons: The error was in /etc/hosts.allow. I forgot to add a line "in.rshd: FQDN" in hosts.allow on the machine I imaged and then used to install to a bunch of other machines. Easy to miss though, there are a dozen or so other lines in there allowing other daemons and stuff. Fixing that, now "rsh remote-machine vmstat" works as expected. -- /Sorin

1 0

Disk usage for small files in ext3 in CentOS 5
by Filipe Brandenburger 12 Mar '09

12 Mar '09

Hello, I noticed something unusual today. If I "du" a small file (couple of bytes) in CentOS 5, it tells me the file is using 8kb, while I was expecting 4kb which is the block size I'm using. I tried this on several CentOS 5 machines, both x86_64 and i386: $ echo test >test.txt $ ls -l test.txt -rw-rw-r-- 1 filbranden filbranden 5 Mar 11 17:24 test.txt $ du -h test.txt 8.0K test.txt If I do the same on a CentOS 4 machine: $ echo test >test.txt $ ls -l test.txt -rw-rw-r-- 1 filbranden filbranden 5 Mar 11 17:25 test.txt $ du -h test.txt 4.0K test.txt On all machines I tested, both CentOS 4 and CentOS 5: # tune2fs -l /dev/xxxxx ... Block size: 4096 Fragment size: 4096 I could not find any differences that would explain the behaviour. Have you seen this before? Can you reproduce it on your systems? Do you know how to get the CentOS 4 behaviour? More on the point: I'm migrating some data from CentOS 4 to CentOS 5, it's around 70GB of millions of small files. I would like it to still take 70GB, not 140GB. For now, I'm working around this issue by using "-T small" to mke2fs, I'm not sure if it's going to have the effect I want, and I'm not sure about any other impact (performance?) it might have on my filesystem. Thanks, Filipe

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