Discuss May 2014

discuss@lists.centos.org

165 participants
146 discussions

Ordering of disks in laptop
by H 05 May '14

05 May '14

I have a Lenovo laptop where I recently replaced the harddisk with a Intel 530 240 Gb SSD (SATA III) on which I then installed Centos 6.5 which runs just fine albeit at SATA II speed. I then replaced the DVD-drive in the Ultrabay with an identical Intel SSD, the Ultrabay-adapter apparently uses a PATA-SATA bridge so this drive would only run at PATA speed. Being a Centos newbie, I am not sure why Centos calls the first SSD sdb and the second one in the Ultrabay sda? It would seem to me that the first one, the one replacing the original harddisk, should be the main one and be called sda but clearly there is something I don't understand. In the BIOS the SSD replacing the harddisk has a higher boot order priority then the SSD replacing the DVD-drive. Suggestions? Thanks.

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Opendkim and SELinux
by James B. Byrne 05 May '14

05 May '14

CentOS-6.5 OpenDKIM-2.9.0 (epel) Postfix-2.6.6 (updates) I am trying to get opendkim working with our mailing lists. In the course of that endeavour I note that these messages are appearing in our syslog: May 4 20:50:02 inet08 setroubleshoot: SELinux is preventing /usr/sbin/opendkim from using the signull access on a process. For complete SELinux messages. run sealert -l 442cb257-3db2-488c-a92e-bfc936e16a0c May 4 20:55:25 inet08 setroubleshoot: SELinux is preventing /usr/sbin/opendkim from using the dac_override capability. For complete SELinux messages. run sealert -l c7c1199d-008d-4ae5-b61f-71a11edb0aa3 May 5 04:03:57 inet08 setroubleshoot: SELinux is preventing /usr/sbin/opendkim from search access on the directory /sys. For complete SELinux messages. run sealert -l 800523d5-0420-4038-9c7d-c2ec47c3bb6a Anyone have any guidance to e on as to what this means and how I get rid of it, besides generating a custom policy I mean. -- *** 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] Disappearing Network Manager config scripts
by Les Mikesell 05 May '14

05 May '14

On Wed, Apr 30, 2014 at 1:28 PM, Steve Clark <sclark(a)netwolves.com> wrote: >> > So, have you ever had to deal with a CentOS box and multiple NICs. > Especially one where you've cloned it or moved a disk to a new > chassis? Apparently there is just not a good way to identify > interfaces. > > Yep, do it all the time - first two thing I do are: > rm -f /etc/udev/rules.d/70-persistent-net.rules > rm -r /etc/sysconfig/network-scripts/ifcfg-eth* > and then reboot. > So, now you've got 6 NICs connected to 6 different switches. Which name is which? This is a really fun exercise when the box is remote and you are trying to tell someone used to configuring windows systems how to get it to a point where you can ssh in. -- Les Mikesell lesmikesell(a)gmail.com

11 16

Re: [CentOS] BIND Log file entries
by James B. Byrne 02 May '14

02 May '14

On Fri, May 2, 2014 02:30, Andrew Holway wrote: > Hi James, > > Gmail sees your email as spam. You might want to take a look at it. > > ta > > Andrew I think that you will receive the directly addressed message without any indication of spam. The one routed through the Mailing list will probably be flagged unless you have white-listed me. The CentOS list uses Mailman (2.1.12) and as another has pointed out, recent changes to DMARC enforcement at Yahoo, AOL, and now apparently Google, causes DKIM signed email forwarded though mailman to fail the authentication checks relating to DKIM. This is either treated as suspicious (as is apparently the case with Google) or rejected outright, as is the case with Yahoo and AOL. We really need Mailman 2.1.18 as this fixes a lot of bugs with DKIM handling still present in 2.1.16/17 but .18 is only at the RC3 stage of release. -- *** 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

3 2

plug in USB device no longer noticed by system
by Fred Smith 01 May '14

01 May '14

Hi all! My C6 box seems to have developed this problem somewhere during recent weeks. not quite sure when, but I've noticed it several times lately. Whenever I plug in a USB device, be it a camera or a HD or a mouse, nothing happens. I mean nothing. /var/log/messages doesn't show any activity, lsusb does not show the new device. Back at the start of Feb I did move the raid1 pair of HDs to a new motherboard, so I suppose it could go back that far. I did try to make sure everything was working at that time, and I can't remember if I verified that USB autodiscovery was working. But it for sure isn't now. I use a USB keyboard and USB mouse, but they seem to be discovered at boot time and work fine thereafter. but adding any other devices after boot isn't working. I'd appreciate thoughts on how to troubleshoot/fix this. thanks! -- ---- Fred Smith -- fredex(a)fcshome.stoneham.ma.us ----------------------------- "Not everyone who says to me, 'Lord, Lord,' will enter the kingdom of heaven, but only he who does the will of my Father who is in heaven." ------------------------------ Matthew 7:21 (niv) -----------------------------

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nvidia-related messages in /var/log/messages
by Fred Smith 01 May '14

01 May '14

Just discovered these messages in /var/log/messages, while looking at the USB problem I just posted about, separately. Apr 27 20:23:16 fcshome kernel: NVRM: API mismatch: the client has the version 331.67, but Apr 27 20:23:16 fcshome kernel: NVRM: this kernel module has the version 331.49. Please Apr 27 20:23:16 fcshome kernel: NVRM: make sure that this kernel module and all NVIDIA driver Apr 27 20:23:16 fcshome kernel: NVRM: components have the same version. Apr 27 20:23:16 fcshome kernel: NVRM: nvidia_frontend_ioctl: minor 255, module->ioctl failed, error -22 Apr 29 19:22:30 fcshome kernel: NVRM: API mismatch: the client has the version 331.67, but Apr 29 19:22:30 fcshome kernel: NVRM: this kernel module has the version 331.49. Please Apr 29 19:22:30 fcshome kernel: NVRM: make sure that this kernel module and all NVIDIA driver but I cannot find anything relating to Nvidia that has a 331.49 version number. "yum list installed | grep 331.49" returns no hits "yum list installed | grep 331.[0-9]" returns ONLY hits on 331.67. "find 331" finds lots of things, but none of them is 331.49. So, I'd be appreciative if someone could shine a light on this for me. thanks! -- ---- Fred Smith -- fredex(a)fcshome.stoneham.ma.us ----------------------------- Show me your ways, O LORD, teach me your paths; Guide me in your truth and teach me, for you are God my Savior, And my hope is in you all day long. -------------------------- Psalm 25:4-5 (NIV) --------------------------------

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Re: [CentOS] Disappearing Network Manager config scripts
by Les Mikesell 01 May '14

01 May '14

On Thu, May 1, 2014 at 1:55 PM, Steve Clark <sclark(a)netwolves.com> wrote: > > Yep, do it all the time - first two thing I do are: > rm -f /etc/udev/rules.d/70-persistent-net.rules > rm -r /etc/sysconfig/network-scripts/ifcfg-eth* > and then reboot. > > The above makes them be rediscovered on the reboot. > > The lan ports are numbered on the back of the unit and I have never had them > not come up in the correct order - In fact it would cause us untold grief it > they did. > > > I forgot to add this is over 750 systems. They must all appear on the same motherboard/card location. Mine stay the same order within a card but the cards motherboard sets jump around. And yes, it causes grief. -- Les Mikesell lesmikesell(a)gmail.com

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Disappearing Network Manager config scripts
by Evan Rowley 01 May '14

01 May '14

Is anyone frustrated by Network Manager? I wish CentOS just used the basic configuration files like the ones on BSD-style OSes. Those are so simple in comparison. Each time I reboot, it seems like the configuration file I create for Network Manager gets destroyed and replaced with a default file. Nothing in the default file would actually make sense on my network, so I'm not even really sure how this machine is still connected to the network after a reboot destroys my previous configuration. The only way I seem to be able to keep my proper DNS settings is through the GUI interface to Network Manager. I have to enter the configuration in each time I reboot. At the very least, I just want to stop Network Manager from wiping out my perfectly fine /etc/resolv.conf. There has to be a better way. -- - EJR

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Re: [CentOS] Terminal settings
by Ashley M. Kirchner 01 May '14

01 May '14

On Thu, May 1, 2014 at 12:11 PM, Reindl Harald <h.reindl(a)thelounge.net>wrote: > what is SecureCRT and who needs that? > > what's wrong with the ordiany OpenSSh client available on any > sane system which supports UTF8, colors and what not out of > the box? > > Right, one key information missing: I'm working on a Windows machine, using SCRT to connect to remote servers - I have no choice, it's company policy. I should also point out that this only happens on newer systems. I have some old Fedora and even Redhat machines that don't do that, but I also suspect that because they are older machines that have not been (or can not be) upgraded to more recent OS's, that they don't have UTF capability.

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Any information on targetcli (fcoe) for centos 6? Close to end of my rope
by Bob Metelsky 01 May '14

01 May '14

Guys, Im trying very hard to get a poc iscsi target/initiator working between 2 centos 6 machines. The targetcli seems buggy as hell - meaning it does not look updated for the current version of centos or other distributions output some output - notice the 2011 year and I dont have the iscsi directory. It seems commands can only be issued out of the corresponding directory... I want to disable suthentication ie /iscsi> set discovery_auth enable=0 Unknown configuration group: discovery_auth I dont have the ISCSI directory! OMG! apparently this is the install for targetcli... fcoe-target-utils.noarch fcoe-utils.i686 Is there any relatively direct documentation on how to set this up? I wasnt to use iscsi as a san replicator for oracle ASM and NOT use openfiler. I want to do this just from centos 6 to centos 6 dim310a / # targetcli targetcli shell version 2.0rc1.fb16 Copyright 2011 by RisingTide Systems LLC and others. For help on commands, type 'help'. /> /> ls o- / ......................................................................................................................... [...] o- backstores.............................................................................................................. [...] | o- block ................................................................................................... [2 Storage Objects] | | o- vol_grp1-logical_vol1 ............................... [/dev/mapper/vol_grp1-logical_vol1 (300.0GiB) write-thru deactivated] | | o- vol_grp2-logical_vol2 ............................... [/dev/mapper/vol_grp2-logical_vol2 (295.0GiB) write-thru deactivated] | o- fileio................................................................................................... [0 Storage Object] | o- pscsi.................................................................................................... [0 Storage Object] o- loopback .........

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Discuss May 2014