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34753 discussions

Overland Arcvault 12 and sequential/random settings
by Scott R. Ehrlich 15 Mar '08

15 Mar '08

My unit's firmware: library 05.03, tape d22h, shows the device as set to random mode. But mtx -f /dev/st0 status gives an error that google says the device is in sequential mode. dmesg|grep -i hp does reflect CentOS thinks the device is a sequential unit. I've tried this with Fedora 8, too, and both show the same, so it is either an issue with CentOS/Fedora RPMs, or the version of MTX? I'm going to try a simple install of Ubuntu next and see if there is any difference. Is this a bug with the firmware, or with my setup? I have rebooted the tape drive and machine several times. I have the drive connected to an Adaptec 29160. I have another identical drive on another system, with a library firmware of d21h, tape firmware 04.04, and that works perfectly with mtx, though it is connected to a different SCSI card. Thanks for any help/insights. Scott

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evince on centos5.1
by Jerry Geis 14 Mar '08

14 Mar '08

is there something other than evince on centos 5.1 to view pdf's? Every time I am remoted in using vncviewer and look at attached emails it KILLS my X11 session. If I am at my desktop it works fine. xpdf used to work fine on 4.X - but it was removed in 5.X. Is there an alternative? Thanks, Jerry

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Good version control package?
by Sean Carolan 14 Mar '08

14 Mar '08

We have a directory full of installation and configuration scripts that are updated on a fairly regular basis. I would like to implement some sort of version control for these files. I have used SVN and CVS in the past, but I thought I'd ask if anyone can recommend a simple, easy-to-use tool that would be better than cvs or subversion for this fairly simple setup.

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php 4/5 dependency question
by Rogelio 14 Mar '08

14 Mar '08

I have a PHP box which was running NagiosQL on PHP4, and all of a sudden it stopped serving PHP pages. I went to http://boxIP/nagiosQL/testQL.php (that application's test page) and got the following error "PHP without mysql support, please install mysql module to php!" Not knowing what was broken, I attempted a "yum install php-*", but got the following message: ---> Package mhash.i386 0:0.9.2-4 set to be updated ---> Downloading header for autoconf to pack into transaction set. autoconf-2.59-5.noarch.rp 100% |=========================| 17 kB 00:00 ---> Package autoconf.noarch 0:2.59-5 set to be updated ---> Downloading header for unixODBC to pack into transaction set. unixODBC-2.2.12-1.el4s1.1 100% |=========================| 26 kB 00:00 ---> Package unixODBC.i386 0:2.2.12-1.el4s1.1 set to be updated ---> Downloading header for libssh2 to pack into transaction set. libssh2-0.12-1.2.el4.rf.i 100% |=========================| 2.9 kB 00:00 ---> Package libssh2.i386 0:0.12-1.2.el4.rf set to be updated ---> Downloading header for libtidy to pack into transaction set. libtidy-0.99.0-9.20051025 100% |=========================| 5.5 kB 00:00 ---> Package libtidy.i386 0:0.99.0-9.20051025.el4.centos.3 set to be updated ---> Downloading header for syck to pack into transaction set. syck-0.55-4.el4.rf.i386.r 100% |=========================| 3.5 kB 00:00 ---> Package syck.i386 0:0.55-4.el4.rf set to be updated ---> Downloading header for automake to pack into transaction set. automake-1.9.2-3.noarch.r 100% |=========================| 23 kB 00:00 ---> Package automake.noarch 0:1.9.2-3 set to be updated ---> Downloading header for libc-client to pack into transaction set. libc-client-2002e-14.i386 100% |=========================| 5.5 kB 00:00 ---> Package libc-client.i386 0:2002e-14 set to be updated --> Running transaction check --> Processing Conflict: php-pecl-apc conflicts php-eaccelerator --> Processing Dependency: libsqlite.so.0 for package: php-sqlite --> Processing Dependency: php = 4.3.9 for package: php-syck --> Processing Dependency: rrdtool = 1.0.50 for package: php-rrdtool --> Processing Dependency: php = 4.3.9 for package: php-sqlite --> Processing Dependency: php-pecl(Xdebug) for package: php-pear-PHPUnit2 --> Processing Conflict: php-pecl-apc conflicts php-mmcache --> Processing Dependency: php = 4.3.9 for package: php-mmcache --> Processing Conflict: php-eaccelerator conflicts php-mmcache --> Finished Dependency Resolution Error: php-pecl-apc conflicts with php-eaccelerator Error: Missing Dependency: libsqlite.so.0 is needed by package php-sqlite Error: Missing Dependency: php = 4.3.9 is needed by package php-syck Error: Missing Dependency: rrdtool = 1.0.50 is needed by package php-rrdtool Error: Missing Dependency: php = 4.3.9 is needed by package php-sqlite Error: Missing Dependency: php-pecl(Xdebug) is needed by package php-pear-PHPUnit2 Error: php-pecl-apc conflicts with php-mmcache Error: Missing Dependency: php = 4.3.9 is needed by package php-mmcache Error: php-eaccelerator conflicts with php-mmcache While dependency issues aren't too bad (e.g. "yum provides MISSING_FILE"), what is the best way to start going through and finding these conflicts? While this is just a test box, I'd like to get a handle on how to solve this sort of thing before I have the same problem on a production server. I see that CentOS plus in on here. Might that have to do with PHP 4 dependencies not being on? Or does PHP 5 solve those dependencies?

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Gnome desktop, workspaces and windows
by James B. Byrne 14 Mar '08

14 Mar '08

I was editing a file in gvim when I inadvertently pressed some key combination that caused the vim window to disappear from the desktop. I looked in ps and found that it was still running. Checking the tool bar at the bottom of my display I noticed that a large rectangle now occupied the second of four boxes on the extreme right hand side. Clicking on that box brought back the gvim instance but hid the other windows that I had opened. I discovered that these are gnome workspaces. So I continued to work. However, at some point while reading the workspace documentation I decided to click on the "hide all windows and show the desktop" button on the left hand side of the lower tool bar. This indeed cleared the desktop but it also emptied the second workspace and I cannot retrieve my vim instance which ps still shows as running. Questions: What key combination places the window with focus into another workspace? What key combination or other method moves it back into the primary workspace? Why did hiding all windows empty the alternate workspace? How do I get my vim instance back from wherever it is gone? 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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MSG for Barry
by Christopher E 14 Mar '08

14 Mar '08

Hello Barry, could you email me please, I try to email you and it was returned. Sincerely, Christopher

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Thunderbird: can't seem to install french spell checker
by Niki Kovacs 14 Mar '08

14 Mar '08

Hi, I can't install a french spell checker in Thunderbird. There's a link in Thunderbird's preferences, to download new dictionaries, but it's dumb. So I downloaded the dictionary manually (spell-FR.xpi) and installed it in Thunderbird using the 'Extensions' dialog. But the installed dictionary doesn't appear anywhere. Googled some over this problem, and it seems like this happens to quite some people. Anyone on this list successfully installed a non-english spell checker in Thunderbird? Cheers, Niki

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Recommendations for a “real RAID" 1 card on Centos box
by Therese Trudeau 14 Mar '08

14 Mar '08

Hi, I'm considering setting up my Centos Desktop machine for RAID 1. I read a lot of good info at this site:http://linuxmafia.com/faq/Hardware/sata.html#intel-vitesse about differences in fakeraid and real raid cards. The hardware I plan on installing this RAID card into is an Intel DP35DP motherboard with the Intel E4500 dual core processor, and I have two Mator 500 gig SATA hard drives. Can anyone recommend a good “real raid” card for my Linux? What I am looking for is to plug in a RAID controller card out of the box, and without having to load any drivers onto my Centos 5.1 box, have the Real hardware RAID card automatically do all the work, mirror my hard drive onto the second backup drive and do all the work for me. Do such cards exist? If so which model /manufacturers do you recommend? Any experiences/info/insights on hardware RAID cards good or bad on centos boxes would be appreciated. _________________________________________________________________ Climb to the top of the charts! Play the word scramble challenge with star power. http://club.live.com/star_shuffle.aspx?icid=starshuffle_wlmailtextlink_jan

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Re: [CentOS] Recommendations for a “real RAID" 1 card on Centos box
by Ross S. W. Walker 14 Mar '08

14 Mar '08

Therese, You are definitely making your life more difficult then is needed for a desktop machine. You said you have 4 hard disks. Make a software RAID1 out of the first two. Make a software RAID1 out of the second two and your good to go. You can use dump/restore to backup the logical volumes on the second RAID set to an LV on the first. No need for bare metal restore. Just need to get some working Linux distro to be able to read your files. Going HW RAID for your desktop is going to get in the way of you getting things going and if your HW RAID card fails then what? Your drives will only work with another identical HW RAID card. -Ross ----- Original Message ----- From: centos-bounces(a)centos.org <centos-bounces(a)centos.org> To: CentOS mailing list <centos(a)centos.org> Sent: Fri Mar 14 09:08:39 2008 Subject: RE: [CentOS] Recommendations for a “real RAID" 1 card on Centos box >>> You can turn on write back caching if you have a UPS as well >>> (provided your UPS is wired into your system for a graceful shutdown) >>> >> >> Hopefully you have a redundant PS unit. Having a UPS is not going to >> help if your PS fails. >> >> > > redundant power supplies connected to redundant UPS's. I've seen more > UPS failures than I've ever had failed PSUs on proper server grade hardware. This might be getting a bit elaborate for a desktop machine. I really want RAID because I'm tired every couple years of hard drive crashes and having to start from scratch and spending a week setting up new drives and getting my design software back on line and trying to recover data. What do you think of alternative back up systems, such as a tape backup with bare metal restore software? I'd go that route instead if I could fine a solution which would allow me to restore to different hardware, i.e. if my motherboard dies and I need to buy a different brand or model MB. I know Storix back up software has this capability - I use storix on my Linux server with RAID 1. @ home I have one Linux and one Windows desktop machine. _________________________________________________________________ Connect and share in new ways with Windows Live. http://www.windowslive.com/share.html?ocid=TXT_TAGHM_Wave2_sharelife_012008… CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos ______________________________________________________________________ This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender and permanently delete the original and any copy or printout thereof.

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Re: [CentOS] Recommendations for a “real RAID" 1 card on Centos box
by Ross S. W. Walker 14 Mar '08

14 Mar '08

This is getting OT and you are going to end up spending more on redundancy then if you just called Dell and ordered another computer. ----- Original Message ----- From: centos-bounces(a)centos.org <centos-bounces(a)centos.org> To: CentOS mailing list <centos(a)centos.org> Sent: Fri Mar 14 09:31:00 2008 Subject: RE: [CentOS] Recommendations for a “real RAID" 1 card on Centos box > That is true, buy high quality stuff up front for fewer problems down > the road. Not a sure bet, but a better one. In the half dozen systems > I've been running at home for the past several years none of them > have suffered a hardware failure of any kind(fortunately). I've been > running PC Power and Cooling power supplies for about 9 years now, > really high quality PSUs(last one I bought was about 4 years ago, can't > speak for their quality now). So for a top quality power supply for a mission critical desktop machine, which brand(s) would you reccomend? One of the towers I have is a Thermaltake Xaser 3 with lots of room, and I just bought a new Antec Sonata III tower with a 500 watt PS. > So BBU is certainly a nice thing to have but at least in my > experience isn't absolutely critical. Then for a Mission critical desktop machine, if you had to make a choice, would you go with a good quality UPS and/or redundant power supplies, or a BBU instead? > Of course for absolutely critical things I don't use server-based > RAID anyways. Multiple redundant controllers, multiple redundant > paths(to both the disks and to the hosts), is the way to go(assuming > your application(s) aren't built to be able to run on something > like a distributed file system). I've seen that some of the > latest HP servers have dual ported SAS disks, which sounds pretty > neat. I assume they still only have one controller though. As an alternative to RAID1 for a mission critical desktop machine @ home, what would you reccomend? Maybe a bare metal restore solution able to restore to different hardware, (i.e. if a motherboard dies and drive crashes due to power spike or some catastrophe, I'm screwed if I can't find the exact same make - model)? _________________________________________________________________ Connect and share in new ways with Windows Live. http://www.windowslive.com/share.html?ocid=TXT_TAGHM_Wave2_sharelife_012008… CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos ______________________________________________________________________ This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender and permanently delete the original and any copy or printout thereof.

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