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Unexplained size difference with CentOS 7 (1503) -01 install media
by Greg Bailey 01 Apr '15

01 Apr '15

In the process of updating my copy of the CentOS 7 (1503) -01 install media, I notice that it's ~70MB larger than the image that it's replacing: $ rsync mirrors.kernel.org::centos/7.1.1503/isos/x86_64/*DVD*.iso -rw-r--r-- 4310695936 2015/03/31 17:05:50 CentOS-7-x86_64-DVD-1503-01.iso -rw-r--r-- 4236247040 2015/03/28 12:15:26 CentOS-7-x86_64-DVD-1503.iso But when I compare sizes using "du" on the mounted ISO files, I can't see any discernible difference: Original CentOS 7 (1503) DVD: $ du -ks /centos7/* 1 /centos7/CentOS_BuildTag 6148 /centos7/EFI 1 /centos7/EULA 18 /centos7/GPL 79428 /centos7/images 73378 /centos7/isolinux 281423 /centos7/LiveOS 3752743 /centos7/Packages 12696 /centos7/repodata 2 /centos7/RPM-GPG-KEY-CentOS-7 2 /centos7/RPM-GPG-KEY-CentOS-Testing-7 3 /centos7/TRANS.TBL Revised CentOS 7 (1503) -01 DVD with centos-release fix: $ du -ks /centos7-01/* 1 /centos7-01/CentOS_BuildTag 6148 /centos7-01/EFI 1 /centos7-01/EULA 18 /centos7-01/GPL 79428 /centos7-01/images 73378 /centos7-01/isolinux 281423 /centos7-01/LiveOS 3752745 /centos7-01/Packages 12696 /centos7-01/repodata 2 /centos7-01/RPM-GPG-KEY-CentOS-7 2 /centos7-01/RPM-GPG-KEY-CentOS-Testing-7 3 /centos7-01/TRANS.TBL Seems like a large delta in ISO size for not much of a change in content. Any ideas? -Greg

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SELinux on CentOS-6.6
by James B. Byrne 01 Apr '15

01 Apr '15

I wish to reuse ports 80 and 443 for a different service. When I try to assign the port context for that service I get this: /usr/sbin/semanage: Port tcp/80 already defined When I try to delete the assigned context then I get this: semanage port -d -t http_port_t -p tcp 80 /usr/sbin/semanage: Port tcp/80 is defined in policy, cannot be deleted httpd is not installed on this host. But looking at the port context assignments I see this nonetheless: semanage port -l | grep ^http_port_t http_port_t tcp 80, 81, 443, 488, 8008, 8009, 8443, 9000 How do I rid myself of these artefacts and make the context assignments that I wish? -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

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mirrors still catching up and -01.iso images?
by Stuart Barkley 01 Apr '15

01 Apr '15

I'm watching a couple of mirrors catch up with the 7.1 release and am noticing some churn on the .iso images. It appears that new -01.iso versions are coming downstream while some of the mirrors apparently were getting different .iso images. The -01.iso versions look to be significantly larger than the previous non-01.iso versions (the -Minimal .iso appears to have gone from 560M to 630M for -01.iso). I'm not downloading the larger .iso image so don't know the actual content, but the md5/sha files also changed and some of the mirrored -01.iso versions appear to have different sizes (actually from the timestamps it looks like the non-01.iso versions might have been renamed -01.iso before being replaced with newer content). What is the difference between the non-01.iso versions and the -01.iso versions? Is this what we can expect with the monthly rebuilds? For tracability reasons, I don't like seeing different .iso images at different times. We really need to see consistent content on the distribution mirrors. Some of this may still be churn and one mirror may have run out of disk space (or otherwise be waiting for manual intervention). Stuart -- I've never been lost; I was once bewildered for three days, but never lost! -- Daniel Boone

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kernel Panic on desktop
by James B. Byrne 01 Apr '15

01 Apr '15

I arrived at work this morning to find that my desktop unit (CentOS-6.6 KVM) halted with a kernel panic. I am not conversant with any way to save the console display in this case and there was rather a lot of text. I jotted down a few notes and power-cycled the unit to restart. which it did and I am using now to compose this message. The few notes that I manually copied, subject to transcription errors, were: ? pci-configure - slot 0x365.0x420 . . . pic (ed. note: transcription error? maybe pci?) . . . pciehpd - Tainted: G D -------- 2.6.32-504.12.2.el6.x86_64 #1 panic+0x17/0x16f . . . kvm 2998 cpu0 disabled: perfctr wrmsr 0xc1 data 0xabcd 1. Is there any way to get the entire console display following a panic as a text file? 2. I take that this points to a hardware issue of some sort. Any suggestions as to where I look? The system has two NICs but one is disused and has no cable. Following a update last year I began receiving console messages complaining about this state but ignored them. -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

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Re: [CentOS] opendkim-2.9.0
by James B. Byrne 01 Apr '15

01 Apr '15

On Tue, March 31, 2015 16:18, Frank Cox wrote: > On Tue, 31 Mar 2015 16:11:38 -0400 > James B. Byrne wrote: > >> Does anyone have any idea what has happened and why I might be >> getting that message? > > I don't use that but have you checked to see if you now have a > "rpmsave" file left after installing the update? If so, that's your > old configuration and you might need to re-write the new configuration > file to incorporate your previous customization. > Yes that was the problem. The OpenDKIM maintainers deprecated a configuration option (SenderHeaders) that we were using so the opendkim service would not restart. So there was nothing listening at port 8891. Removing the optin fixed the problem. I can find no discussion of why this option was removed and the OpenDKIM readme (http://www.opendkim.org/opendkim-README) still makes reference to it as the preferred way of handling mailing lists. Go figure. B.T.W. Redhat has apparently 'fixed' (I think) Mailman to deal with the Yahoo/AOL - DMARC problems. But only in RHEL5 (so far). As they have moved all discussion of the bug behind a paywall I can no longer follow developments and so cannot be sure. -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

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LDAP TLS error -8023
by Paul R. Ganci 01 Apr '15

01 Apr '15

Can somebody tell me what this error means (server, domain etc. changed to protect the innocent)? ldapsearch -H ldap://ldapserv-1.example.com:389 -ZZ -W -D cn=Boss,dc=example,dc=com -b dc=example,dc=com uid=testuser homeDirectory ldap_start_tls: Connect error (-11) additional info: TLS error -8023:A PKCS #11 module returned CKR_DEVICE_ERROR, indicating that a problem has occurred with the token or slot. My google searches do not seem to provide any useful information. I am just looking for some hints as to what to look for in my configuration. I just don't know how to interpret this error message. I am sure it is trying to tell me something but I just don't know what. What is really strange is I have a second ldap server which replicates with this one. It works fine so I am pretty convinced the problem is not with the ldap configuration but rather something with the certificates and/or the setup. Thanks. -- Paul (ganci(a)nurdog.com) (303)257-5208

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Release 7 1503
by Jerry Geis 01 Apr '15

01 Apr '15

Just updated to release 7 1503. CentOS team is awesome! I thought I read sometime back that the release was going to rebase to a newer gnome? Did that not happen? Is there a way to get release 7 to a later gnome version? Thanks! Looking forward to playing. Jerry

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opendkim-2.9.0
by James B. Byrne 31 Mar '15

31 Mar '15

There was an update to opendkim 2.10.1 which I applied and now I am seeing this: warning: connect to Milter service inet:127.0.0.1:8891: Connection refused I tried to yum history rollback to 2.9.1 but that package has disappeared so I am evidently constrained to resolve this. Does anyone have any idea what has happened and why I might be getting that message? -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

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Hdd maximum size
by donais 31 Mar '15

31 Mar '15

Server is a Lenovo RV-340 E2420 build 70AB001VUX 8go Support for Sata-3 6gbps and Raid-5 Did someone can tell if it can handle 6tb hard drives? -- Michel Donais

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Building a newer glibc RPM for CentOS 6 and installing into an alternate path
by Alfred von Campe 31 Mar '15

31 Mar '15

We have a third party shared library from a vendor that requires glib 2.15 or newer. We are using CentOS 6.6 which comes with glibc 2.12, and I know it can’t be replaced as it’s an integral part of the OS. However, is it possible to build a glib 2.15 RPM from source to be installed in /opt/centos (or somewhere else other than /usr/lib) so that I can link the one application that requires the third party shared library with this version of glib? If so, does anyone have instructions on how to build such an RPM, or better yet, has already build such an RPM? Thanks, Alfred

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