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How to delete mails in the mailq in ONE DAY -- POSTFIX
by Indunil Jayasooriya 30 Nov '07

30 Nov '07

I am runnig posfix on Centos 4.4 as a Mailgateway. It only accepts mails for domains and then forwards mails to Lotus domino Server. All clients sends outgoing mails to that Lotus domino Server. Then , That Lotus Domino Server sends mails to Postfix mailgateway. This postfix mailgateway sends mails to all the destinations. But, This Postfix mailgateway has about 150 messages in the mailq. Some are unwanted mails. I think they keep trying until 5 days old. I want decrease it to ONE DAY. In Sendmail, this can be done by editing sendmail.mc as below. (`confTO_QUEUERETURN', `5d')dnl changing above line to below line (`confTO_QUEUERETURN', `1d')dnl How Can I do it in Postfix? ANY IDEA? O Timeout.queuereturn=5d -- Thank you Indunil Jayasooriya

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Re: Release Cycles [was RE: [CentOS] special tricks for developersboxon centos 5]
by Ross S. W. Walker 30 Nov '07

30 Nov '07

Did you mean non-secular? Otherwise what sect is it? -----Original Message----- From: centos-bounces(a)centos.org <centos-bounces(a)centos.org> To: CentOS mailing list <centos(a)centos.org> Sent: Fri Nov 30 14:22:04 2007 Subject: Re: Release Cycles [was RE: [CentOS] special tricks for developersboxon centos 5] On Fri, Nov 30, 2007 at 09:39:01AM -0800, Robert - elists alleged: > Cheers everyone, and remember, Jesus is the reason for everything. Huh? Please keep the preaching out of a secular maillist. Thanks. ______________________________________________________________________ This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender and permanently delete the original and any copy or printout thereof.

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centos remote installation
by Centos 30 Nov '07

30 Nov '07

Hello I am installing Centos from remote location and have no problem if I upgrade Centos, however if I will have problem if I go through fresh installation, because once the fresh installation finished,at next reboot Centos will ask to define another user name with its pasword and that will be the time I will not see the console messages, so I should automate that part. Is there any easy way to do this or I should go all the way through Kickstart procedures ? Thanks

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special tricks for developers box on centos 5
by Jerry Geis 30 Nov '07

30 Nov '07

I was just wondering if there are special tricks people do that compile A LOT on centos? Do RAM disks help or something else I dont about that minimizes your compile time? I presently have and AMD x2 4800+ with 2GIG ram. Just curious if I can reduce any more time out of my compiles. Jerry

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Kernel panic - where to go from here?
by Mike 30 Nov '07

30 Nov '07

CentOS 5 has been running continuously since 9/21 on my "do everything" home server (with the exception of a kernel update). It's a fairly old Athlon machine that serves as a firewall and various servers (dovecot, samba, NFS, dhcp, OpenVPN, etc). I connected via OpenVPN about a week ago and discovered I get a kernel panic. I've since found that this is very repeatable and happens only after being connected via OpenVPN for about 4 hours or so. I was able to manually copy the stuff on the console after the panic (see below). I googled "unable to handle kernel paging request" and didn't really find anything useful (to me). I've tried both kernel version 2.6.18-8.1.14.el5 and 2.6.18-8.1.15.el5 as well as OpenVPN versions 2.1_rc4-1 and 2.0.9 all with the same results. Not sure where to go with this(?). Should I post this on a kernel mailing list? Or somewhere else? Call Trace: [<C040502c>] dump_trace+0x8c/0x96 [<c0405046>] show_trace_log_lvl+0x10/0x20 [<c04050e2>] show_stack_log_lvl+0x8c/0x94 [<c040520f>] show_registers+0x125/0x191 [<c0404c3b>] kernel_thread_helper+0x7/0x10 [<c0405411>] die+0x196/0x296 [<c05fd73f>] do_page_fault+0x3ea/0x4b8 [<c0434d15>] kthread+0x0/0xeb [<c05fd355>] do_page_fault+0x0/0x4b8 [<c0404a71>] error_code+0x39/0x40 [<c0434d15>] kthread+0x0/0xeb [<c0404c3b>] kernel_thread_helper+0x7/0x10 BUG: unable to handle kernel paging request at virtual address c0613dbf Printing eip: c0404c44 *pde = 2f9b5163 Recursive die() failure, output suppressed <0>Kernel panic - not syncing: Fatal exception -- Thanks, Mike

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network interface activation order
by Graham Johnston 30 Nov '07

30 Nov '07

I am using CentOS as a firewall/router. I am using bonded interfaces, vlan interfaces, and bridge interfaces. My problem currently is that on boot the system is attempting to activate the bridge interface before it's bonded-vlan members have been created. What this means is that the bridge is created but not activated. Is there anyway for me to influence the activation order and have bridge interfaces dealt with last? Graham Johnston Manager, Network Services Westman Communications Group 204.571.7225 johnstong(a)westmancom.com

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Re: [CentOS] CleanLog.h
by B.J. McClure 30 Nov '07

30 Nov '07

On Fri, 2007-11-30 at 12:22 -0500, Alfredo Perez wrote: > > > > > > Hi Can you tell me which virus scan you are using? > > > > > > Thanks > > > > Can you share your findings with us? Yes, however this thread will be dead from my end for the next 2 weeks due to travel. I am taking some files from the compromised machine and hope to be able to spend a little time with them. B.J. > Furthermore, this question is for the list > > I have a Centos 5 server running sshd > for me to signon and check my emails. > > I use denyhosts to protect port 22. > > Is there anyother software you people use > to protect your servers. > > Thanks in advance > > Alfredo - The sauce > > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > http://lists.centos.org/mailman/listinfo/centos CentOS 5.0, Linux 2.6.18-8.1.15.el5 x86_64 11:33:51 up 1 day, 5:53, 1 user, load average: 0.03, 0.02, 0.00

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CentOS /boot kernel files removed after rpm upgrades
by Dave 30 Nov '07

30 Nov '07

Hello, I ran a yum update on a centos 5 machine. I then removed some old kernel files, 2.6.x.14 and 2.6.x.10 older kernels. The issue is i got the error "Grub can not create template". I checked /boot and it is now empty. If i reboot this box it certainly will have an issue. I'm running the latest kernel 2.6.x.15 i believe it is. Can anyone tell me how to fix this? Thanks. Dave.

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Load-Balancing Virtualized Guests
by Alvin Chang 30 Nov '07

30 Nov '07

Hi everyone: According to "Automated failover and recovery of virtualized guests in Advanced Platform", one can easily migrate virtualized guests around different hosts. However, is it currently possible for CentOS 5 with Virtualization&Clustering Suite to migrate guests dynamically according to loads on different hosts? Thanks, -- Alvin Chang Yu-Ming

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what's the equivalent to sendmail's Timeout.queuewarn in POSTFIX
by Indunil Jayasooriya 30 Nov '07

30 Nov '07

Hi, I am ruunig postfix and MailScanner as a Mailgw on Centos 4.5. I want to know what is default warntime in Postfix? I.e - *what's the equivalent to sendmail's Timeout.queuewarn in POSTFIX ? . ANY IDEAS? *** -- Thank you Indunil Jayasooriya

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