Discuss August 2013

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CentOS-announce Digest, Vol 102, Issue 12
by centos-announce-request＠centos.org 21 Aug '13

21 Aug '13

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. CEBA-2013:1168 CentOS 6 authd Update (Karanbir Singh) ---------------------------------------------------------------------- Message: 1 Date: Wed, 21 Aug 2013 07:44:17 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CEBA-2013:1168 CentOS 6 authd Update To: centos-announce(a)centos.org Message-ID: <20130821074417.GA11042(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2013:1168 Upstream details at : https://rhn.redhat.com/errata/RHBA-2013-1168.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 66c183194b6d9aff038d39e26ab850d207122e5d986bd80318b12c4c9a032dd2 authd-1.4.3-31.el6_4.i686.rpm x86_64: c5ee02eb06014972d49e75f5ed784da700a6b29738ddfb165a50fa571d1f325d authd-1.4.3-31.el6_4.x86_64.rpm Source: b598e422e2deb588693d6021c5dff34c77d250947a7484ffb372166abd29b2fc authd-1.4.3-31.el6_4.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org http://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 102, Issue 12 ************************************************

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Re: [CentOS] mail server: sendmail with integrated AD
by Riccardo Castellani 21 Aug '13

21 Aug '13

> Am 20.08.2013 06:04, schrieb Riccardo Castellani: >> I'm preparing my new Sendmail mail server with pop3s + smtps where user > SMTPS is obsolete since a couple of years. Use SMTP/STARTTLS instead > over the submission port. I know, I used both ports (SMTP over SSL port 465, SMTP/STARTTLS port 587) for mail- client compatibility. Do you suggest to use only port 25 with SMTP/STARTTLS ? >> authentication occurs through Microsoft Active Directory by Winbind >> daemon. OS is Centos 6.4 and Sendmail is 8.14 >> Mailboxes will be in this server but how to create them !??! > That totally depends on the choice and configuration of the mail storage > and access server. Sendmail is an MTA, it does not know about > "mailboxes". It knows - if properly configured - about destination mail > addresses it is responsible for to hand over to an MDA/LDA. My MDA/LDA is procmail but neither .forward and nor .procmailrc file exist. There is no filter/rule .. define(`PROCMAIL_MAILER_PATH',`/usr/bin/procmail') dnl FEATURE(local_procmail,`',`procmail -t -Y -a $h -d $u')dnl MAILER(procmail) dnl .. >> It's necessary to add user by 'useradd' command into /etc/passwd or It's >> only necessary add new entry in '/etc/aliases' file for every AD user >> like >> in following example ?! >That depends on the chosen mail storage and access server configuration. I don’t understand server behavior (where no configuration procmail files exist) when MTA receives email message to delivery to mailbox which stays on the same server. How does system know what mailbox file to delivery to ? What link among ‘AD user account’ and ‘mailbox filename’. In my case I had to create new recipient user by ‘adduser’ command, otherwise my system said ‘user unknown’. I remember my user is on AD services on another server which run Windows OS. My maillog: Aug 16 19:28:18 mailserver sendmail[11130]: r7GHSIV1011130: Milter: no active filter Aug 16 19: 28:18 mailserver sendmail[11130]: r7GHSIV1011130: --- 220 mailserver.example. com ESMTP Sendmail 8.14.4/8.14.4; Fri, 16 Aug 2013 19:28:18 +0200 Aug 16 19:28: 18 mailserver sendmail[11130]: r7GHSIV1011130: <-- EHLO client Aug 16 19:28:18 mailserver sendmail[11130]: r7GHSIV1011130: --- 250-mailserver.example.com Hello client.example.com [10.35.2.4], pleased to meet you Aug 16 19:28:18 mailserver sendmail[11130]: r7GHSIV1011130: --- 250-ENHANCEDSTATUSCODES Aug 16 19:28:18 mailserver sendmail[11130]: r7GHSIV1011130: --- 250-PIPELINING Aug 16 19:28:18 mailserver sendmail[11130]: r7GHSIV1011130: --- 250-8BITMIME Aug 16 19: 28:18 mailserver sendmail[11130]: r7GHSIV1011130: --- 250-SIZE Aug 16 19:28:18 mailserver sendmail[11130]: r7GHSIV1011130: --- 250-DSN Aug 16 19:28:18 mailserver sendmail[11130]: r7GHSIV1011130: --- 250-ETRN Aug 16 19:28:18 mailserver sendmail[11130]: r7GHSIV1011130: --- 250-AUTH LOGIN PLAIN Aug 16 19: 28:18 mailserver sendmail[11130]: r7GHSIV1011130: --- 250-STARTTLS Aug 16 19:28: 18 mailserver sendmail[11130]: r7GHSIV1011130: --- 250-DELIVERBY Aug 16 19:28: 18 mailserver sendmail[11130]: r7GHSIV1011130: --- 250 HELP Aug 16 19:28:18 mailserver sendmail[11130]: r7GHSIV1011130: <-- AUTH LOGIN Aug 16 19:28:18 mailserver sendmail[11130]: r7GHSIV1011130: --- 334 VXNlcm5hbWU6 Aug 16 19:28: 18 mailserver sendmail[11130]: r7GHSIV1011130: --- 334 UGFzc3dvcmQ6 Aug 16 19: 28:18 mailserver sendmail[11130]: r7GHSIV1011130: --- 235 2.0.0 OK Authenticated Aug 16 19:28:18 mailserver sendmail[11130]: r7GHSIV1011130: <-- MAIL FROM: <ssl587(a)example.com> Aug 16 19:28:18 mailserver sendmail[11130]: r7GHSIV1011130: --- 250 2.1.0 <ssl587(a)example.com>... Sender ok Aug 16 19:28:18 mailserver sendmail[11130]: r7GHSIV1011130: <-- RCPT TO: <friend.home@nord. example.com> Aug 16 19:28:18 mailserver sendmail[11130]: r7GHSIV1011130: --- 250 2.1.5 <friend.home(a)nord.example.com>... Recipient ok Aug 16 19:28:18 mailserver sendmail[11130]: r7GHSIV1011130: <-- DATA Aug 16 19:28:18 mailserver sendmail[11130]: r7GHSIV1011130: --- 354 Enter mail, end with "." on a line by itself Aug 16 19:28:18 mailserver sendmail[11130]: r7GHSIV1011130: from=<ssl587(a)example.com>, size=2466, class=0, nrcpts=1, msgid=<00ea01ce9aa6$0fe72be0$2fb583a0$(a)toscana.it>, proto=ESMTP, daemon=MTA, relay=client.example.com [10.35.2.4] Aug 16 19:28:18 mailserver sendmail [11130]: r7GHSIV1011130: --- 250 2.0.0 r7GHSIV1011130 Message accepted for delivery Aug 16 19:28:18 mailserver sendmail[11131]: r7GHSIV1011130: alias <friend.home(a)nord.example.com> => friendhome Aug 16 19:28:18 mailserver sendmail [11131]: r7GHSIV1011130: /dev/null: unsafe directory path, marked unsafe Aug 16 19:28:18 mailserver sendmail[11131]: r7GHSIV1011130: forward /dev/null/.forward. mailserver: World writable directory Aug 16 19:28:18 mailserver sendmail [11131]: r7GHSIV1011130: /dev/null: unsafe directory path, marked unsafe Aug 16 19:28:18 mailserver sendmail[11131]: r7GHSIV1011130: forward /dev/null/. forward: World writable directory Aug 16 19:28:18 mailserver sendmail[11131]: r7GHSIV1011130: to=friendhome, delay=00:00:00, xdelay=00:00:00, mailer=local, pri=32684, dsn=2.0.0, stat=Sent Aug 16 19:28:18 mailserver sendmail[11131]: r7GHSIV1011130: done; delay=00:00:00, ntries=1 > The part of your setup which will server for POP3S. CentOS 6 comes with > cyrus-imapd and dovecot. Read about them and make a choice. Maybe you > already know one of them good enough. I chose Dovecot to use only POP3s service. >> POP3s >> the account name (AD user), which I'll use to access my mailbox by pop3s, >> must have the same name of mailbox file ? > No. >> According to previous example: >> >> if I wanted to download email of 'mark.landers(a)example.com', in my client >> I >> shall have to type 'marklanders' with its password, so my requirement is >> to >> have this mailbox file into my mail server: >> <mail path>/<user> for example: /var/spool/mail/marklanders > > First you will have to decide whether you will run a single domain setup > or to provide multiple domains where mailbox accout foo(a)example.com > isn't neccessarily for the same user as foo(a)example.org or foo(a)bar.com. Single domain

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Triple- or Quad-display single-card graphics solutions
by Glenn Eychaner 20 Aug '13

20 Aug '13

So, after some discussion of our new control workstations, we are iterating in on a solution; we are looking at a 1U short-depth SuperMicro SuperServer 5017R-MF with a graphics card in the PCI-Ex16 expansion slot. However, the display requirements have increased to 3 or more monitors for future expansion, so I was wondering whether anyone had any experience with triple- or quad-display single card solutions. Thus far, I have found two promising solutions: NVidia NVS 510 or 450 Matrox M-series M9138 or M9148 Both these solutions claim to have Linux support, but I was wondering if anyone had any experience with them in CentOS 6.4? And if there were any other solutions I had overlooked? Thanks, -G. -- Glenn Eychaner (geychaner(a)lco.cl) Telescope Systems Programmer, Las Campanas Observatory

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CentOS-announce Digest, Vol 102, Issue 11
by centos-announce-request＠centos.org 20 Aug '13

20 Aug '13

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. CEBA-2013:1167 CentOS 6 prelink Update (Karanbir Singh) ---------------------------------------------------------------------- Message: 1 Date: Mon, 19 Aug 2013 12:43:42 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CEBA-2013:1167 CentOS 6 prelink Update To: centos-announce(a)centos.org Message-ID: <20130819124342.GA27189(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2013:1167 Upstream details at : https://rhn.redhat.com/errata/RHBA-2013-1167.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 37e0c1897102ba0f909b7848ea03c12d64896c1aa8df810ce18476c5115d7aae prelink-0.4.6-3.1.el6_4.i686.rpm x86_64: 060fc0846a739e7cfacbf68c539b0ac9b0fca8a883d914c7e22fb6f76dac4498 prelink-0.4.6-3.1.el6_4.x86_64.rpm Source: 258323b68526cc620b799d3dda21001be784784e1c508d8c513cf2b2a519262f prelink-0.4.6-3.1.el6_4.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org http://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 102, Issue 11 ************************************************

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mail server: sendmail with integrated AD
by Riccardo Castellani 20 Aug '13

20 Aug '13

I'm preparing my new Sendmail mail server with pop3s + smtps where user authentication occurs through Microsoft Active Directory by Winbind daemon. OS is Centos 6.4 and Sendmail is 8.14 Mailboxes will be in this server but how to create them !??! It's necessary to add user by 'useradd' command into /etc/passwd or It's only necessary add new entry in '/etc/aliases' file for every AD user like in following example ?! mark.landers: marklanders - 'marklander' is the user account in Microsoft AD - user mail is 'mark.landers(a)example.com' POP3s the account name (AD user), which I'll use to access my mailbox by pop3s, must have the same name of mailbox file ? According to previous example: if I wanted to download email of 'mark.landers(a)example.com', in my client I shall have to type 'marklanders' with its password, so my requirement is to have this mailbox file into my mail server: <mail path>/<user> for example: /var/spool/mail/marklanders I think pop3S WILL SEARCH mailbox with the same name of account name ! What do you think ?

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Really Weird Question.....
by Eddie G. O'Connor Jr. 20 Aug '13

20 Aug '13

So I just got ahold of an old e-Machine (Model EL1600) with 1GB of memory. I was going to install CEntOS on it and try to run VirtualBox for other OS'es. I am curious to know if I have to stick with the 2GB "max" the specs say the machine can take or if its possible to install a 4GB module that is designed the same? In other words I have seen 2GB DDR PC2700 memory that will fit the casing and work, but I have ALSO seen 4GB DDR PC6400 memory modules with the same number of pins (240) will this work? I would want to have as much memory in there that will allow the VirtualBox to run smoothly.....any help would be appreciated! EGO II

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Re: [CentOS] k3b -> cddb doesn't work
by Les Mikesell 19 Aug '13

19 Aug '13

On Mon, Aug 19, 2013 at 4:32 PM, Reindl Harald <h.reindl(a)thelounge.net> wrote: > > maybe you do not know who Joerg Schilling is > > he is the one person claiming he is the only one writing a > working cd-burning software on earth and his fights against > GPL and Linux are legend over the years > > http://lwn.net/Articles/199061/ > http://slashdot.org/story/06/09/04/1335226/debian-kicks-jrg-schilling > http://lwn.net/Articles/198171/ All I have to say about that is that I wish the GPL were not so restrictive that it prohibits many potential best-of-breed combinations of components. But that was it's intent and it isn't likely to ever change. I'm just glad that people like Larry Wall understood that early-on and used dual-licensing to make at least some software usable in more situations. . -- Les Mikesell lesmikesell(a)gmail.com

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Re: [CentOS] qemu-kvm package?
by Gene Poole 19 Aug '13

19 Aug '13

Let me say that your question does not match your subject. I run a 32-bit CentOS with virt-manager installed to monitor the virtual machines running on a 64-bit CentOS. That leaves the following: Is it because I'm running CentOS 5.9 in both cases? Or is it because I performed a full install from a DVD in both cases? That being said, It's a fact that virt-manager will run on a 32-bit OS. Thanks, Gene Poole

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Xyratex disk units
by Tony Schreiner 19 Aug '13

19 Aug '13

I am wondering if any one knows of a way to manage Xyratex disk shelves from CentOS (in particular CentOS 4). More details: Some years ago I installed a NAS unit from Exanet which consists of 2 rebadged IBM x3650 head nodes and a couple of Xyratex disk shelves with a total of 96 TB of raw disk, connected by fibre channel. The operating system is based on CentOS 4.4, but is modified, and runs a proprietary file system. It has pretty good performance and I'm happy with it. You may know that the company went bust some years ago, so I have been running this system unsupported. I am loath to give up the disk space though. The two things I worry about are, the fibre channel connection and the external disk trays. Unfortunately, what I know about fibre channel is very little. They are emulex HBAs, and I guess there used to software called lputil, but this is no longer available at the Emulex site. It has been replaced by something called HBAnywhere, but I have not succeeded in building that on CentOS 4. Uprading the OS is out of the question I would think while maintaining the file system capability. And the other question is how to manage the LUNs on the Xyratex's. I'd be grateful for any info anyone has on either. Tony Schreiner

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Red Hat CEO: Go Ahead, Copy Our Software
by Robert Arkiletian 18 Aug '13

18 Aug '13

http://www.businessinsider.com/red-hat-ceo-go-ahead-copy-our-software-2013-8 Title says is all. Nice to know RH understands and accepts the relationship between CentOS and RHEL. Although it is complex. After all, if too many choose CentOS, there may no longer be a CentOS. However, I don't think I would refer to CentOS as a "parasite" as the author Matt Asay does. More appropriate to call it symbiotic. Is the relationship a 50/50 affair? Not sure. Complicating matters even more is Oracle Unmistakable Linux.

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Discuss August 2013