Discuss December 2008

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247 participants
257 discussions

Please share some RHCE/RHCT learning material
by Xiaobo Zhu 26 Dec '08

26 Dec '08

Hi all, will anyone please share me some material on RHCE/RHCT, I am fighting for the Quality Engineer in RedHat, and that may help a lot in the coming written exam. Many thanks and Merry Christmas! Cheers, Xiaobo

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FYI: IBM Netvista locking up
by Thomas Dukes 26 Dec '08

26 Dec '08

Hello, Having not been able to run a kernel without locking up since 2.6.9-34.0.2.EL, I think I have found the 'fix'. There are numerous post about this and all suggest its related to ACPI. For me, its APIC. I added the following to grub.conf: noapic apic=off. Been up now 4 days, 22 mins. running 2.6.9-78.0.8.EL. Previously I could get maybe 4 - 6 hours before locking up. Another thing I noticed is that eth1 was on interrupt 9, the same as ACPI. I also changed the interrupt for ACPI in CMOS to 10. I'm happy as a pig in slop!!! I may now upgrade to 5.2.

1 0

need help to play video
by adrian kok 25 Dec '08

25 Dec '08

Hi I click the DVD amd there is an error The playback of this movie requires a MPEG-2 System Stream demuxer plugin which is not installed. Which rpm I can install to play the video? Thank you Send instant messages to your online friends http://uk.messenger.yahoo.com

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Linux backup help
by Kevin Kempter 25 Dec '08

25 Dec '08

Hi All; I'm awaiting a new linux laptop that will be my primary work machine. I want to implement a strategy that allows me as easily as possible to revert back to a former state. My primary concern is a scenario where I apply system updates and it breaks something that for me is critical. I wonder if a simple rsync script would work. If so, here's what I'm thinking: 1) updates are available so I execute the rsync script which pulls any updated files from my laptop to a backup server/drive 2) apply updates 3) if something breaks (even if I can no longer login) I boot the laptop, run the rsync script in the opposite direction (push files from the backup drive to the laptop) I assume that if I were to execute step 3 above that my system would be in the exact state that it was before I ran the updates. Is this a correct assumption ? Are there better approaches ? Thanks in advance..

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yum update via NX connection?
by Les Mikesell 25 Dec '08

25 Dec '08

Somewhere in the process of doing a yum update from a terminal window open in an NX/freenx desktop session, the whole session blew up - perhaps when ssh restarted or when freenx was updated. The yum update did not complete beyond that point and the session was gone when I reconnected. Is that supposed to happen? (Centos 5.x) -- Les Mikesell lesmikesell(a)gmail.com

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Missing CentOS 4.7 update?
by Vandaman 25 Dec '08

25 Dec '08

Unless I'm mistaken, does it look like Centos 4.7 is missing an update released on December 3rd 2008? Upstream details :- http://rhn.redhat.com/errata/RHBA-2008-0989.html An updated tmpwatch package that fixes various bugs is now available. The tmpwatch utility recursively searches through specified directories and removes files which have not been accessed in a specified period of time. tmpwatch is typically enabled and configured to clean up directories used for temporarily holding files, such as, for example, the /tmp directory. This updated tmpwatch package includes fixes for the following bugs: * tmpwatch unnecessarily reported a "No such file or directory" error whenever a file was deleted before tmpwatch accessed it. In this updated package, tmpwatch correctly no longer reports such errors, thus resolving the issue. <snip> Regards, Vandaman.

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Gnome Desktop Session Save?
by James B. Byrne 24 Dec '08

24 Dec '08

I seem to recall that at one time with CentOS I had the ability to save my gnome desktop and open applications, like terminal, when exiting. The effect was such that when I logged on to a new session those applications would open automatically for me. Is my memory faulty? If not, then has this facility been removed? If neither my memory failed nor the facility removed then how does one do this now in CentOS-5? Regards, -- *** 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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Alternative to audacity
by MHR 24 Dec '08

24 Dec '08

What's a good, gui-based sound editor as an alternative to audacity (since that is not working right now due to conflicts in the gtk libraries in rpmforge)? Or is there another place whence one may retrieve audacity? I tried sourceforge, but the links there resolve to a broken download link or they are for 64-bit rpms. Thanks. mhr

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CentOS, PHP, Basic GIS
by Michael A. Peters 24 Dec '08

24 Dec '08

I have no experience with GIS whatsoever. I really know squat about it. I'm currently working on a project to plot locality data for wildlife on a map of Shasta County. This is for a new herpetological club that hopes to track strength of our local herp populations, since it seems evident that in the last 20 years we lost one species of frog and are close to losing another (probably less than 100 left and they don't seem to be successfully breeding) and the declines were known, but the extent of the declines was not known well enough until it was too late. We want to try and prevent that with other species in our county by keeping records of where they currently are and where they use to be but are no longer found. When we see what appears to be shrinking range, we can investigate and if need be, request surveys by wildlife management before it is too late. Basically - the data will be plotted as a grid of regular hexagons. When locality information (museum record or photo voucher record in our own database) exists, the hexagon the record sits in gets drawn a pretty color (depending on type and age of records). I have it working on a raster (jpg) map where I guessed the latitude/longitude borders - working well enough with sample data that I know my php code works, but while it is ballpark accurate I need to do it with maps of known values. Quick and dirty option - obtain (possibly pay for) a large (at least 2k pixels wide) raster map with known lat/lon borders that has the county outline, major lakes and rivers, nothing else. The maps could be made and then resized for web view. The major problem with that model is that drawing colored hexagons near the county border and near rivers will make it more difficult to see them, thus making it harder to interpret the map. What I would prefer to do - Draw my data hexagons on a blank slate [ via imagecreate(width,height) function), then draw the county border on top of that, and then on top of that either draw the lakes/rivers and/or basic topographical lines. My preference obviously includes getting data sets for those things (county border, lakes/rivers, topography) in a format that I can parse with php to draw them with gd. My county does have some GIS data available: http://www.shastagis.co.shasta.ca.us/gissearch/search_new.aspx I don't have a clue how to get that data into format useful for drawing with gd via php. Anyone have experience with this? Can anyone recommend a (preferably free) Linux GIS program that works on CentOS that could potentially convert data files into format useful for drawing with gd? I don't need to get fancy with zoom, rotate, etc. capabilities - just a basic static flat map output. Thanks for any suggestions. I may try to find a "GIS for dummies" type book, though I've generally not been fond of dummy books, I kind of feel like one when it comes to GIS.

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tripwire on centos 5
by Mariusz 24 Dec '08

24 Dec '08

Does anybody use tripwire on centos 5? Has anybody checked that: http://www.linickx.com/archives/281/tripwire-2411-rpm-for-centos-redhat-rhe… on centos5? M. -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.

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Discuss December 2008