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UPS question
by John R Pierce 30 Sep '14

30 Sep '14

so I have a bunch of servers at work that are on DUAL UPS's (1 per each of 2 power supplies). Its mostly HP gear, but also some Sun and IBM. Ideally I'd like the system to not go into shutdown unless BOTH UPS's that a particular box is plugged into (there's actually 4 UPS, 2 per each of 2 racks). Has anyone ever configured anything like that with NUT or whatever? Right now, I'm running without any UPS monitoring software, as the whole building is on a generator that comes on 60 seconds after a power failure, so my 7kVA(!) UPS's don't see much use, and also I just installled these new racks and UPS's and haven't really had the time to sit down and figure it all out. -- john r pierce 37N 122W somewhere on the middle of the left coast

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Have sound card, but no device?
by Gilbert Sebenste 30 Sep '14

30 Sep '14

Hello everyone, I'm stumped on trying to get my sound card to work on my new server. #dmesg |grep snd snd_hda_intel 0000:00:1b.0: enabling device (0000 -> 0002) snd_hda_intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22 snd_hda_intel 0000:00:1b.0: irq 71 for MSI/MSI-X snd_hda_intel 0000:00:1b.0: setting latency timer to 64 snd_hda_intel 0000:01:00.1: enabling device (0000 -> 0002) snd_hda_intel 0000:01:00.1: PCI INT B -> GSI 36 (level, low) -> IRQ 36 snd_hda_intel 0000:01:00.1: setting latency timer to 64 I have an onboard Intel sound card, and I think I actually have two, looking in /proc/asound: card0 cards hwdep NVidia PCH seq version card1 devices modules oss pcm timers I am not getting any sound from either of them. I installed alsamixer to control the sound levels, but despite all having the volume up, I can't hear anything. However, that is not the problem; I only offer that to say this... I am trying to run an audio server using Icecast and Darkice, but no device can be found. In the past, it has shown up as a device: /dev/dsp1. Using a "default" option offers no help. It doesn't work. There is no "/dev/dsp1", like there is on my other machines. OK, so off to the configuration panel on Gnome I go. System->Preferences->Sound. And, it hangs with a "waiting for sound system to respond" message. I have Google-foo'd everything: no, I don't have Pulseaudio, as that messes up Icecast and Darkice. I have never had this issue before on any server. Does anyone have any ideas, or a webpage/wiki you could point me at that I might have missed? I want my /dev/dsp1 back. :-) Gilbert ******************************************************************************* Gilbert Sebenste ******** (My opinions only!) ****** *******************************************************************************

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Spacewalk? Local repo? Cache?
by Chris Beattie 30 Sep '14

30 Sep '14

I have a mix of CentOS 5, 6, and now 7 servers at work. There are enough of them now that it is starting to make sense for them to get updates from an internal source. I've seen RHN Satellite in years past. It looks like it may be a way to allow Windows admins here (familiar with WSUS) to update Linux boxes. A local repo might be easier to set up, but (as with Spacewalk) it seems like we'd end up with a lot of packages we don't need. A proxy and a sufficiently-large cache might do the trick if the first Linux box to get updates populates the cache which the files the others will need, but I haven't looked into this enough to see if there's even a way that works. How do you all keep a dozen or more Linux boxes updated? Thanks! -- Chris Nothing in this message is intended to make or accept an offer or to form a contract, except that an attachment that is an image of a contract bearing the signature of an officer of our company may be or become a contract. This message (including any attachments) is intended only for the use of the individual or entity to whom it is addressed. It may contain information that is non-public, proprietary, privileged, confidential, and exempt from disclosure under applicable law or may constitute as attorney work product. If you are not the intended recipient, we hereby notify you that any use, dissemination, distribution, or copying of this message is strictly prohibited. If you have received this message in error, please notify us immediately by telephone and delete this message immediately. Thank you.

10 18

Centos 6 Software RAID 10 Setup
by Matt 30 Sep '14

30 Sep '14

I am setting up a Centos 6.5 box to host some Openvz containers. I have a 120gb SSD I am going to use for boot, / and swap. Should allow for fast boots. Have a 4TB drive I am going to mount as /backup and use to move container backups too etc. The remaining four 3TB drives I am putting in a software RAID 10 array and mount as /vz and all the containers will go there. It will have by far the most activity. Does this layout look ok? RAID Devices md0 (/dev/md0) 5722917 /vz ext4 Hard Drives sda (/dev/sda) sda1 (/dev/sda1) sda1 500 /boot ext4 sda2 64000 swap sda3 49972 / ext4 sdb (/dev/sdb) sdb1 3815446 /backup ext4 sdc (/dev/sdc) sdc1 2861587 md0 software RAID sdd (/dev/sdc) sdd1 2861587 md0 software RAID sde (/dev/sdc) sdce 2861587 md0 software RAID sdf (/dev/sdc) sdf1 2861587 md0 software RAID

2 1

yum update success+failure
by ken 30 Sep '14

30 Sep '14

Just doing "yum update" on two machines (and only two), both centos 5.10, one of them updated something like 22 packages, the other just 4. Packages which were updated on the first, but didn't get updated on the second machine include: gcc, httpd, kernel-2.6.18-398.el5, and probably a couple more. Trying the update on the second machine again (a few times), it always ends, "No Packages marked for Update". So now the first has: gcc-4.1.2-55.el5 httpd-2.2.3-91.el5.centos kernel-2.6.18-371.12.1.el5.centos.plus while the second has: gcc-4.1.2-54.el5 httpd-2.2.3-87.el5.centos kernel-2.6.18-371.11.1.el5 WTH???

3 3

Bash package for CentOS5
by Mitja Mihelič 30 Sep '14

30 Sep '14

Hi! I have noticed, that our mirror has this package bash-3.2-33.el5_11.4.x86_64.rpm, but a lot of other mirror still have bash-3.2-33.el5_10.4.x86_64.rpm. Since bash-3.2-33.el5_11.4.x86_64.rpm was issued on 26-Sep-2014 04:28, could this be the product of slower mirror update cycles? Regards, Mitja -- -- Mitja Mihelič ARNES, Tehnološki park 18, p.p. 7, SI-1001 Ljubljana, Slovenia tel: +386 1 479 8877, fax: +386 1 479 88 78

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Re: [CentOS] [CentOS-announce] Release for CentOS-5.10 i386 and x86_64
by John R Pierce 30 Sep '14

30 Sep '14

On 9/30/2014 12:46 AM, Johnny Hughes wrote: > We are pleased to announce the immediate availability of CentOS-5.11 for > i386 and x86_64 Architectures. I gather this hasn't fnished propagating? I tried two mirrors and got 'no updates'. -- john r pierce 37N 122W somewhere on the middle of the left coast

3 2

possereg.teachingopensource.org
by Karsten Wade 30 Sep '14

30 Sep '14

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Is the app at http://possereg.teachingopensource.org still being used? If so, can we migrate that to the main TOS server? If not, I'd like to take it down as part of a server migration we're doing for theopensourceway.org host. Thanks - Karsten - -- Karsten 'quaid' Wade .^\ CentOS Doer of Stuff http://TheOpenSourceWay.org \ http://community.redhat.com @quaid (identi.ca/twitter/IRC) \v' gpg: AD0E0C41 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlQpyJMACgkQ2ZIOBq0ODEFMaQCeOYiboZ2mEWCFiaOJbSEy6faD +DwAn1Yj4vL/GrSkALJSJQKowPE8e1/1 =IHy3 -----END PGP SIGNATURE-----

1 1

2.5" to 3.5" Conversion Tray
by Matt 30 Sep '14

30 Sep '14

Anyone know of a 2.5" to 3.5" converter so I can put a 2.5 SSD drive in a Supermicro 3.5 SATA hot swap bay? The one I purchased does not seem to work.

3 2

Help on setting up a samba domain controller
by Robert Moskowitz 29 Sep '14

29 Sep '14

My current samba domain controller is running ClearOS. But I am migrating to ARM servers (cubieboards) and using RedSleeve for now, and Centos7arm when that gets rolling. The driver is power savings; my ROI just on power is ~15months. So I only run an NT style Domain Controller with XP clients and roaming user profiles. It works, as there are only a few systems here are really just my wife and I. But it is nice for my wife to hop on a laptop at the dinning table and get her same desktop as she has on the den computer. So copying the basic Samba files is rather simple, it seems, but then there is the LDAP setup and the add machine and user scripts. So it gets complex rather quickly. I looked over on the Centos Wiki and did not find any help there, but my search foo has always been weak. So is there a howto I can use to get off the 'everything (and more than I want) done for me' bandwagon and build the basics myself? I figure I can deal with dnsmasq, even though I am a bind kind of guy; the configs look simple. But there is probably a dyndns piece lurking somewhere. NTP I have always done myself. I have even hacked a bit at basic Samba to maintain per user logins. But the ldap will definitely be a new experience... thanks for any pointers (that help me :) ).

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