Discuss December 2014

discuss@lists.centos.org

164 participants
167 discussions

SAMBA as AD DC
by Sergio Belkin 11 Sep '15

11 Sep '15

Hi folks, Is able SAMBA on CentOS 7 to work as Active Directory Domain Controller? If it's not, what is the recommended way of doing? Compiling from sources? Install packages from SerNet? Thanks in advance! -- -- Sergio Belkin http://www.sergiobelkin.com LPIC-2 Certified - http://www.lpi.org

9 14

How to setup own i686 buildenv for CentOS7
by Robin Lee 07 Sep '15

07 Sep '15

Hi, all! How to setup own i686 mock for CentOS7? Or, is there any public i686 repo for CentOS7? I found i686 repo available in internal CentOS building environment, from a root.log from a mock build result[1]. [1] http://buildlogs.centos.org/c7-updates/glibc/20141218212615/2.17-55.el7_0.3… Cheers, -robin

3 5

Mail Merge data to a pdf file by overlaying the data on the image
by Gregory P. Ennis 07 Jun '15

07 Jun '15

Everyone, I am looking for a utility that I can use to do a mail merge of data to a pdf image file. The image file does not have any active fields, but will be just an image file. I would like to overlay names addresses etc. We currently do this with a pcl file by just overlaying the data with pcl print positions. However, in order to get the pcl file from an original pdf file we have to use gimp to convert the pdf to pcl file, and we always lose a little resolution. I was wondering if anyone knows of a utility to perform this function without first converting the image to a pcl file. Thanks, -- Greg Ennis

4 10

heavy IO load when working with sparse files (centos 6.4)
by Ron E 31 Mar '15

31 Mar '15

Dear List, We have noticed a variety of reproducible conditions working with sparse files on multiple servers under load with CentOS 6.4. The short story is that processes that read / write sparse files with large "holes" can generate an IO storm. Oddly, this only happens with holes and not with the sections of the files that contain data. We have seen extremely high IO load for example copying a 40 or 80gb sparse file that only has a few gigs of data in it. Attempts to lower the io priority and cpu priority of these processes do not make any measurable difference. (ionice, nice) This has been observed with processes such as: cp rsync sha1sum The server does have to be under some load to reproduce the necessary conditions. The cases we have seen involve servers running 10-30 guests under kvm. Load is in acceptable norms when the processes are run, such as load avg 5-15 on a 24 core (12 core with HT enabled) server. We also verify before starting such a process that the spindle with the file we're working on is not being unduly hammered by another process. These servers have one hardware raid controller each (Dell H700 controller with write cache enabled) and multiple raid arrays (separate sets of physical spindles). Interestingly, the IO storm is not limited to the array / spindles where the sparse file resides but affects all IO on that server. We have looked extensively and not found any account of a similar issue. We have seen this on configurations that are 'plain vanilla' enough to think that this is not something specific to our environment. Wondering if anyone else has seen this and if any suggestions on gathering more data / troubleshooting. We wonder if we've found either a raid controller driver issue, an OS issue or some other such thing. What seems to point in this direction is that even with ionice -c3 which should prevent the process from using IO unless the storage is idle, an io storm which appears to saturate the entire raid bus on a given server can occur. Thanks in advance.

3 3

Centos 6.4 on Xserve, IPMI error
by Arno B 31 Mar '15

31 Mar '15

Hello! I'm trying to install Centos 6.4 64 bit on this Xserve: http://www.everymac.com/systems/apple/xserve/specs/xserve-intel-xeon-2.8-ei… I got a bootloader from: http://blog.christophersmart.com/2009/07/23/linux-on-an-apple-xserve-efi-on… as none of the official Centos releases (full, minimal, network 64 bit) boot on this machine. They all crash when loading the bootx64.conf. I have built a USB stick with a working bootx64.efi, grub.cfg, together with an initrd and a vmlinuz from the isolinux folder. These seem to get me into booting a kernel until something called IPMI is starting to throw errors at me: Console: switching to colour frame buffer device 128x48 fb0: VESA VGA frame buffer device ipmi message handler version 39.2 IPMI System Interface driver. ipmi_si 0000:09:00.4: enable device (0002 -> 0003) ipmi_si 0000:09:00.4: PCI INT C -> GSI 16 (level, low) -> IRQ 16 ipmi_si: Adding PCI-specified kcs state machine ipmi_si 0000:09:00.7: enable device (0000 -> 0003) ipmi_si 0000:09:00.7: PCI INT D -> GSI 17 (level, low) -> IRQ 17 ipmi_si: Adding PCI-specified bt state machine ipmi_si: Trying PCI-specified kcs state machine at mem address 0x90841000, slave address 0x0 irq 16 IRQ 16/ipmi_si: IRQF_DISABLED is not guaranteed on shared IRQs Using irq 16 ipmi: Found new BMC (man_id: 0x00003f, prod_id: 0x0003, dev_id: 0x20) IPMI kcs interface initialized ipmi_si: Trying PCI-specified kcs state machine at mem address 0x90840000, slave address 0x0 irq 17 Refined TSC clocksource calibration: 2792.999 MHz. Switching to clocksource tsc IPMI BT: timeout in XACTION [ B_BUSY ] 1 retries left IPMI BT: timeout in XACTION [ B_BUSY ] failed 2 retries, sending error response IPMI: BT reset (takes 5 secs) IPMI BT: timeout in XACTION [ B_BUSY H2B ] failed 2 retries, sending error response IPMI: BT reset (takes 5 secs) IPMI BT: timeout in XACTION [ B_BUSY H2B ] failed 2 retries, sending error response IPMI: BT reset (takes 5 secs) IPMI BT: timeout in XACTION [ B_BUSY H2B ] failed 2 retries, sending error response IPMI: BT reset (takes 5 secs) IPMI BT: timeout in XACTION [ B_BUSY H2B ] failed 2 retries, sending error response IPMI: BT reset (takes 5 secs) then the screen goes to black and the machine doesn't respond to anything anymore... Can anyone please help me with this? Maybe just point me in a direction where to find a solution? I've been googling for a few days now without much results... thanks in advance Arno Beekman

2 1

CentOS 6.6: Webcam problem
by Ron Yorston 30 Jan '15

30 Jan '15

Last month we discussed the problems with webcams in CentOS 6 and I raised Bugzilla #1158988 with Red Hat. This bug has now been declared a duplicate of 1145805. Unfortunately I'm unable to access that report so although I know Red Hat are looking into the matter I don't know what they're doing. Ron

4 7

Chromium browser for C6
by Robert Arkiletian 23 Jan '15

23 Jan '15

I found this bug fix report http://lwn.net/Articles/616130/ I thought we were not able to get Chromium for C6. Apparently it looks like the work has been already done. Is it possible we (hi Johnny) can get this package into C6? This would be a wonderful addition to CentOS 6. Please and thank you.

16 51

What's up with Firefox/Thundrebird
by Mark LaPierre 16 Jan '15

16 Jan '15

Hey All, Has anyone had trouble with Firefox/Thunderbird? When I log on if I start Thunderbird first then I can't start Firefox. Clicking on a link in an email fails to start Firefox. If I start Firefox before Thunderbird then hyperlinks in emails open a page in the existing Firefox instance. Other users on this same machine are having the same problems. This has been happening for that last several days. CentOS release 6.6 (Final) Linux mushroom.patch 2.6.32-504.1.3.el6.i686 #1 SMP Tue Nov 11 16:30:09 UTC 2014 i686 i686 i386 GNU/Linux Thunderbird 31.2.0 Firefox 31.2.0 -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ****

7 11

When will CentOS Publish Errata?
by Somers-Harris, David | David | OPS 14 Jan '15

14 Jan '15

Hello, Currently The CentOS project publishes errata on its CentOS Announce mailing list. In order to import this into a package management system (like Katello on The Foreman), one needs to parse the mailing list and convert it into XML before importing it. This is done to some extent on http://cefs.steve-meier.de/ but some more legwork needs to be done before The Foreman can understand the errata like it does natively for RHN. I have heard rumour that The CentOS project is planning to publish Errata in the same way that Red Hat does, but I haven't been able to find anything on the Internet about this. Does anybody know if The CentOS Project has indeed declared such intention, and when they plan to do this? Side Note: Interestingly enough, I've noticed that EPEL has started to add errata data to their repositories. Thanks, David

9 17

Re: [CentOS] Design changes are done in Fedora
by James B. Byrne 10 Jan '15

10 Jan '15

On Mon, December 29, 2014 04:22, Ned Slider wrote: > What business model do you have that you > can't build around a product guaranteed to be consistent/supported for > the next 10 years? Well, despite the hype from Wall St., Bay St. and The City, a large number of organisations in the world run on software that is decades old and cannot be economically replaced. In many instances in government and business seven years is a typical time-frame in which to get a major software system built and installed. And I have witnessed longer. So, seven, even ten, years of stability is really nothing at all. And as Linux seeks to enter into more and more profoundly valuable employment the type of changes that we witnessed from v6 to v7 are simply not going to be tolerated. In fact, it my considered belief that RH in Version EL7 has done themselves a serious injury with respect to corporate adoption for core systems. Perhaps they seek a different market? Think about it. What enterprise can afford to rewrite all of its software every ten years? What enterprise can afford to retrain all of its personnel to use different tools to accomplish the exact same tasks every seven years? The desktop software churn that the PC has inured in people simply does not scale to the enterprise. If you wish to see what change for change's sake produces in terms of market share consider what Mozilla has done with Firefox. There is absolutely no interface that is as easy to use as the one you have been working on for the past ten years. And that salient fact seems to be completely ignored by many people in the FOSS community. -- *** 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

13 48

Jump to page:

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

2004

Discuss December 2014