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34758 discussions

laptop power management problems
by Aleksandar Milivojevic 30 Oct '06

30 Oct '06

I've a "small" problem with returning from suspend mode on my laptop. Under Windows XP, it works perfectly. Under CentOS, it simply freezes. The thing I'm suspecting is the hard drive not spinning. Has anybody else experienced same problem, and/or have some advice? I hoped hdparm might have something usefull, but reading the man page I haven't found anything promising to try out. Another thing I attempted is to recompile kernel with support for user mode suspend (or something like that) that I heard should work very nicely (not dependent on BIOS or anything, purely implemented in Linux). However, the rebuild of centosplus kernel with that option enabled simply failed with bunch of errors. It's an older laptop that uses APM (no ACPI). I'm not sure what debugging information might be helpfull. Kind of clueless here. I'll be happy to provide any information needed though.

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Global Address Book on Centos4.0
by ankush grover 30 Oct '06

30 Oct '06

hey friends, I am using postfix on Centos4.0 as mailserver. I am looking for a global address book solution means every email client in my network whether outlook, outlookexpress, thunderbird, kmail, evolution etc. can find the user's email ids from that address book. LDAP has such feature but I am not able to find any good howto or Is there any other solution ? Please let me know if you need any further inputs. Thanks & Regards Ankush Grover

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Usb flashdisks automount by all users?
by Daniel Teixeira 28 Oct '06

28 Oct '06

Hi I'm using Centos 4.3 / gnome When I plug a usb flash disk as root, the drive is automounted and the icon shows up on the desktop (nice). But with any other user when I plug any usb drive there's no icon on the desktop, and if i open computer, the icon is there but if i try to open it there's an error message saying that only root can mount that drive. I've tried some things like editing the fstab but with no success. what should i bee looking for here? thank you, Daniel

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Build a shared disk, shared cpu, shared ram....supercomputing for expanding websites
by saptarshi naha 28 Oct '06

28 Oct '06

Hey Group, We are trying to build a shared disk, shared cpu, shared ram....using a dell power edge servers.....which can utilize our server resource for our expanding website. We are running RHEL4 on dell power edges. Can anyone suggest any good production ready open source solution running on top of 2.6 kernel that might work for us? I have looked at openMosix which has only 2.4 kernel production ready and openSSI which has only 1.2 tested on 2.4 kernel and 1.9 still in testing. Is there any solution which can work with 2.6 kernel. Also IF POSSIBLE we would like to integrate the solution with Xen3.0.2. Can anyone suggest us a good open source solutions which migh work in our case? Thanks a lot. Regards, Saptarshi Naha

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Need help - Install Driver for Video Capture Card
by Ahmad Ridhwan Wahap 28 Oct '06

28 Oct '06

Hi everybody, I need help to install driver for video card. I have physically installed two video capture card on two different computers. Both running Linux CentOS release 4.4 (final), and kernel 2.6.9-42.0.3.ELsmp. The first computer is Pentium D 3.00 GHz, 1Gbyte RAM. The second computer is AMD Athlon 2800+, 1 Gbyte RAM. I succesfully installed opencv-0.9.7 on both computers with gtk+ 2.x, libjpeg, zlib, libpng, libtiff, ffmpeg, dc1394, raw1394 and V4L pre-installed. Opencv running very well on both computers. I installed Hauppauge ImpactVCB (model 558) on Pentium D machine, while on Athlon machine, I installed I-O Data GV-VCP2M/PCI. After physically installing the cards, I installed the bttv-0.9.15 driver on both machine according to the instru8ction given by : http://www.faqs.org/docs/Linux-mini/BTTV.html, with exception that I did not recompile the kernel as instructed if the machine does not has the videodev.o, bttv.o, and tuner.o. Both machines do not have the files mentioned above. After completed installation, I could capture videos through the cards on both machines. However, if i restarted the machines, I could not capture any video anymore. I have to repeat the process of loading the modules as follow: - sync; sleep 1; sync - modprobe videodev - modprove bttv Would anyone help me solve this problems. I already write in the modprobe.conf file the following: Pentium D machine: alias char-major-89 i2c-dev options i2c-core i2c=debug=1 options i2c-algo-bit bit=test=1 alias char-major-81 videodev alias char-major-81-0 bttv option bttv card=10 Athlon machine: alias char -majorp-81 alias char-major-81 bttv options bttv card=2 I really do not remember where I got the codes, and I also not very sure whether they are correct or not. I'm quite new in this. Thank you in advance for your help. regards, arw_opencv --------------------------------- What will the world find in 2020? Leave a part of your 2006 in the Yahoo! Time Capsule. Contribute now!

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Hyperthreaded CPU and SMP kernel
by fredex 27 Oct '06

27 Oct '06

Hi gang! I'm using Centos 4.4 at work on a HP Proliant DL320 G2, which has a Hypterthreaded Pentium IV CPU. I used to use RHEL WS 2.1 on it, and RH installed and used the SMP kernel. Centos 4.4 did NOT install the SMP kernel. Is there some reason why I should NOT install it myself? I.e., some reason why an SMP kernel shouldn't be used on such a machine? Gracias! -- ---- Fred Smith -- fredex(a)fcshome.stoneham.ma.us ----------------------------- "For the word of God is living and active. Sharper than any double-edged sword, it penetrates even to dividing soul and spirit, joints and marrow; it judges the thoughts and attitudes of the heart." ---------------------------- Hebrews 4:12 (niv) ------------------------------

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RE: [CentOS] Hauppauge WinTV-PVR-350 card on CentOS 4.X?
by Bisbal, Prentice 27 Oct '06

27 Oct '06

-----Original Message----- From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf Of Alfred von Campe Sent: Thursday, October 26, 2006 11:42 PM To: CentOS mailing list Subject: [CentOS] Hauppauge WinTV-PVR-350 card on CentOS 4.X? Anyone have the Hauppauge WinTV-PVR-350 card running on CentOS 4.X? What about MythTV? One of my users asked me today to upgrade the kernel on his CentOS 4.4 system today as he claims that this card will only work on recent kernels (2.6.16 or newer). I haven't found any documentation to support this (the Linux page on the Hauppauge web site is hopelessly out of date; it mentions the 2.2 kernel and Red Hat 6.2!). We are working on some video products, so this card is actually a business requirement. I know that upgrading the kernel on a CentOS system defeats the main goal of stability of an enterprise OS, so if that's the only way to get this card to work, I may have to move to Fedora Core 6. Alfred _______________________________________________ In the end, the main goal of computing is get the job done. In the early days of Linux, the great thing about Linux was that you COULD customize it to make do whatever you wanted. Then RHEL came along, and RH spread Fear, Uncertainty and Doubt about using Linux this way... If you need to make the card work, go ahead and customize the kernel. If you're a professional system admin, your job is to make things work. A few crashes here and there are better then employess who can't get the job done at all. If stability is the issue, using CentOS is much better than FC6 (or any other FC). FC is meant to be bleeding edge, and not stable. Thats my 3 cents. Prentice The contents of this communication, including any attachments, may be confidential, privileged or otherwise protected from disclosure. They are intended solely for the use of the individual or entity to whom they are addressed. If you are not the intended recipient, please do not read, copy, use or disclose the contents of this communication. Please notify the sender immediately and delete the communication in its entirety.

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AACRAID controller setup?
by Les Mikesell 27 Oct '06

27 Oct '06

This isn't exactly a Centos question but maybe someone here can help: Does the AACRAID controller (as in an IBM 3550) store its config info on the drives or internally? I only have one of the boxes and want to load Centos 3.x on several drives which can be swapped into servers at another location. With SCSI, all that took was a full disk dd copy and a little fiddling with the HWADDR for the nics. However these don't even see a disk until you run the raid setup in bios. Does anyone know if a new server will recognize the setup (one drive, no raid) from the cloned disk or what it will take to make it accept the swap? -- Les Mikesell lesmikesell(a)gmail.com

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Experiences with CentOS & MacBook Pro?
by Benjamin Smith 27 Oct '06

27 Oct '06

Ok, I'm finally of a mindset to replace my now tired, aging Dell Inspiron 600m. I'm currently running Fedora Core on it, and am fairly happy with the software. Has anybody used CentOS on a Macbook Pro? What gotchas are there? (The first that comes to mind is the lack of a right mousebutton) Scouting on the Internet, I've seen that some people have trouble getting sound to work. I'm interested in the following: 1) Network/Wifi support 2) Sound 3) Video (don't need 3D, currently using 2D ATI Radeon drivers and am happy) 4) USB support (works?) 5) External video - I frequently have to give presentations! Thanks all, -Ben -- "The best way to predict the future is to invent it." - XEROX PARC slogan, circa 1978

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seamonkey and new command mozilla-xremote-client
by Jerry Geis 27 Oct '06

27 Oct '06

All, For 4.4 mozilla is out and seamonkey is in. In the old mozilla there was no command mozilla-xremote-client. In the new seamonkey there is a command mozilla-xremote-client. Under mozilla you could do "mozilla -remote "openurl(www.cnn.com)" and it would set the current page to the url. Trying this under seamonkey does not work. however, I just found the new command mozilla-xremote-client that does work now for seamonkey. My question is the command is only /usr/lib64/mozilla-seamonkey-1.0.5/ this directory and /usr/lib64/mozilla* has mozilla mozilla-1.7.12 mozilla-seamonkey-1.0.3 mozilla-seamonkey-1.0.5 Is it an oversite that the mozilla-xremote-client is not in the "normal" bin places? After updates I can manually go out to machines and change sym links or anything how can a sym link automatically be updated to the new mozilla-xremote-client after a yum update? Thanks, Jerry

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