Discuss November 2009

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290 discussions

centos 5.3 install ncview X libraries error and netcdf header error
by Dave 07 Nov '09

07 Nov '09

I was trying to install software named ncview on a centos 5.3 box. ./configure command gave this error: Error, the X libraries and development headers must be installed for ncview to work! I was surprised that there were many google hits related to ubuntu, none for centos. So even though I eventually figured out what to do, I decided to share this with the list anyhow, so maybe next time I google that error I'll get this post. The X error message would have been much more helpful if it was more specific about what exactly is missing. "X libraries and headers" just covers too much territory. Google said the ubuntu flavored problem was solved by ./configure --x-libraries=/usr/lib64 (or wherever the necessary libraries are). After much finagling, I solved my problem by installing xorg-x11-proto-devel-7.1-13.el5 package (has headers in it) and using this command: ./configure --x-libraries=/usr/lib64 --x-includes=/usr/include/X11 That got past the X check, but then I got this error: checking for /sw/include/netcdf.h... no Fatal error: I cannot find the directory that holds the netcdf include file netcdf.h! A bit more digging and success with: ./configure --x-libraries=/usr/lib64 --x-includes=/usr/include/X11 --with-netcdf_incdir=/usr/include/netcdf-3 I'm still not sure exactly which X libraries were required in addition to the header package (xorg-x11-proto-devel-7.1-13.el5). Fedora has (used to have?) an rpm for ncview, I wish centos did. best, Dave p.s. I figured out where the 'X headers' were by using this command: yum search xorg|grep -i headers ./configure --help told me the header switch and the netcdf switch. figure out netcdf: rpm -qa|grep netcdf netcdf-static-3.6.2-7.el5 netcdf-3.6.2-7.el5 netcdf-devel-3.6.2-7.el5 [root@sock ncview-1.93g]# rpm -qs netcdf-devel|grep 'netcdf.h$' normal /usr/include/netcdf-3/netcdf.h more details: [root@sock ncview-1.93g]# ./configure [snip] checking for ANSI C header files... yes checking for X... no Error, the X libraries and development headers must be installed for ncview to work! [root@sock ncview-1.93g]# ./configure --x-libraries=/usr/lib64 [snip] checking for X... no Error, the X libraries and development headers must be installed for ncview to work! [root@sock ncview-1.93g]# yum search xorg|grep -i headers xorg-x11-proto-devel.i386 : X.Org X11 Protocol headers xorg-x11-proto-devel.x86_64 : X.Org X11 Protocol headers [root@sock ncview-1.93g]# rpm -q xorg-x11-proto-devel.x86_64 xorg-x11-proto-devel-7.1-13.el5 [root@sock ncview-1.93g]# ls /usr/lib64/lib[xX]* /usr/lib64/libx11globalcomm.la /usr/lib64/libXinerama.so.1.0.0 /usr/lib64/libx11globalcomm.so /usr/lib64/libXi.so.6 /usr/lib64/libx11globalcomm.so.1 /usr/lib64/libXi.so.6.0.0 /usr/lib64/libx11globalcomm.so.1.0.0 /usr/lib64/libxkbfile.so.1 /usr/lib64/libX11.so /usr/lib64/libxkbfile.so.1.0.2 /usr/lib64/libX11.so.6 /usr/lib64/libxklavier.so.11 /usr/lib64/libX11.so.6.2.0 /usr/lib64/libxklavier.so.11.0.0 /usr/lib64/libx2sys.so /usr/lib64/libxml2.so.2 /usr/lib64/libx2sys.so.4 /usr/lib64/libxml2.so.2.6.26 /usr/lib64/libXau.so /usr/lib64/libXm.so.4 /usr/lib64/libXau.so.6 /usr/lib64/libXm.so.4.0.1 /usr/lib64/libXau.so.6.0.0 /usr/lib64/libXmu.so.6 /usr/lib64/libXaw3d.so.7 /usr/lib64/libXmu.so.6.2.0 /usr/lib64/libXaw3d.so.7.0 /usr/lib64/libXmuu.so.1 /usr/lib64/libXaw6.so.6 /usr/lib64/libXmuu.so.1.0.0 /usr/lib64/libXaw6.so.6.0.1 /usr/lib64/libXpm.so.4 /usr/lib64/libXaw7.so.7 /usr/lib64/libXpm.so.4.11.0 /usr/lib64/libXaw7.so.7.0.0 /usr/lib64/libXp.so.6 /usr/lib64/libXaw.so.6 /usr/lib64/libXp.so.6.2.0 /usr/lib64/libXaw.so.7 /usr/lib64/libXrandr.so.2 /usr/lib64/libXbae.so.4 /usr/lib64/libXrandr.so.2.0.0 /usr/lib64/libXbae.so.4.0.60 /usr/lib64/libXrender.so.1 /usr/lib64/libXcomposite.so.1 /usr/lib64/libXrender.so.1.3.0 /usr/lib64/libXcomposite.so.1.0.0 /usr/lib64/libXRes.so.1 /usr/lib64/libXcursor.so.1 /usr/lib64/libXRes.so.1.0.0 /usr/lib64/libXcursor.so.1.0.2 /usr/lib64/libxslt.so.1 /usr/lib64/libXdamage.so.1 /usr/lib64/libxslt.so.1.1.17 /usr/lib64/libXdamage.so.1.0.0 /usr/lib64/libXss.so.1 /usr/lib64/libXdmcp.so /usr/lib64/libXss.so.1.0.0 /usr/lib64/libXdmcp.so.6 /usr/lib64/libXTrap.so.6 /usr/lib64/libXdmcp.so.6.0.0 /usr/lib64/libXTrap.so.6.4.0 /usr/lib64/libXevie.so.1 /usr/lib64/libXt.so.6 /usr/lib64/libXevie.so.1.0.0 /usr/lib64/libXt.so.6.0.0 /usr/lib64/libXext.so.6 /usr/lib64/libXtst.so.6 /usr/lib64/libXext.so.6.4.0 /usr/lib64/libXtst.so.6.1.0 /usr/lib64/libXfixes.so.3 /usr/lib64/libXv.so.1 /usr/lib64/libXfixes.so.3.1.0 /usr/lib64/libXv.so.1.0.0 /usr/lib64/libXfontcache.so.1 /usr/lib64/libXxf86dga.so.1 /usr/lib64/libXfontcache.so.1.0.0 /usr/lib64/libXxf86dga.so.1.0.0 /usr/lib64/libXfont.so.1 /usr/lib64/libXxf86misc.so.1 /usr/lib64/libXfont.so.1.4.1 /usr/lib64/libXxf86misc.so.1.1.0 /usr/lib64/libXft.so.2 /usr/lib64/libXxf86vm.so.1 /usr/lib64/libXft.so.2.1.2 /usr/lib64/libXxf86vm.so.1.0.0 /usr/lib64/libXinerama.so.1 [root@sock ncview-1.93g]# rpm -qa|grep xorg xorg-x11-server-Xnest-1.1.1-48.52.el5 xorg-x11-fonts-misc-7.1-2.1.el5 xorg-x11-drv-magictouch-1.0.0.5-2.1 xorg-x11-drv-fbdev-0.3.0-2 xorg-x11-drv-jamstudio-1.1.0-1.1 xorg-x11-drv-spaceorb-1.1.0-1.1 xorg-x11-drv-vga-4.1.0-2.1 xorg-x11-drv-evdev-1.0.0.5-3.el5 xorg-x11-fonts-75dpi-7.1-2.1.el5 xorg-x11-drv-void-1.1.0-3.1 xorg-x11-drv-keyboard-1.1.0-3 xorg-x11-drv-elographics-1.1.0-1.1 xorg-x11-drv-i810-1.6.5-9.21.el5 xorg-x11-drv-microtouch-1.1.0-1.1 xorg-x11-drv-ur98-1.1.0-1.1 xorg-x11-drv-siliconmotion-1.4.1-2.1 xorg-x11-drv-mutouch-1.1.0-3 xorg-x11-proto-devel-7.1-13.el5 xorg-x11-apps-7.1-4.0.1.el5 xorg-x11-fonts-Type1-7.1-2.1.el5 xorg-x11-fonts-100dpi-7.1-2.1.el5 xorg-x11-drv-tdfx-1.2.1-3.1 xorg-x11-drv-dmc-1.1.0-2 xorg-x11-drv-palmax-1.1.0-1.1 xorg-x11-drv-ast-0.81.0-3 xorg-x11-drv-trident-1.2.1-3.fc6 xorg-x11-drv-s3virge-1.9.1-2.1 xorg-x11-drv-s3-0.4.1-2.1 xorg-x11-drv-citron-2.2.0-1.1 xorg-x11-drv-sis-0.9.1-7.1.el5 xorg-x11-drv-sisusb-0.8.1-4.1 xorg-x11-drv-dummy-0.2.0-2.1 xorg-x11-drivers-7.1-4.1.el5 xorg-x11-filesystem-7.1-2.fc6 xorg-x11-server-utils-7.1-4.fc6 xorg-x11-fonts-base-7.1-2.1.el5 xorg-x11-xfs-1.0.2-4 xorg-x11-fonts-ISO8859-1-75dpi-7.1-2.1.el5 xorg-x11-fonts-truetype-7.1-2.1.el5 xorg-x11-drv-penmount-1.1.0-2.1 xorg-x11-drv-savage-2.1.1-5.fc6 xorg-x11-drv-joystick-1.1.0-1.1 xorg-x11-drv-magellan-1.1.0-1.1 xorg-x11-drv-fpit-1.1.0-1.1 xorg-x11-drv-calcomp-1.1.0-1.1 xorg-x11-drv-vmmouse-12.4.0-2.1 xorg-x11-drv-acecad-1.1.0-2.1 xorg-x11-drv-elo2300-1.1.0-1.1 xorg-x11-drv-digitaledge-1.1.0-1.1 xorg-x11-drv-nv-2.1.12-3.el5 xorg-x11-drv-vesa-1.3.0-8.1.el5 xorg-x11-xauth-1.0.1-2.1 xorg-x11-twm-1.0.1-3.1 xorg-x11-xinit-1.0.2-15.el5 xorg-x11-utils-7.1-2.fc6 xorg-x11-fonts-ISO8859-1-100dpi-7.1-2.1.el5 xorg-x11-server-Xorg-1.1.1-48.52.el5 xorg-x11-drv-hyperpen-1.1.0-2 xorg-x11-drv-ati-6.6.3-3.22.el5 xorg-x11-drv-vmware-10.13.0-2.1 xorg-x11-drv-mga-1.4.2-10.el5 xorg-x11-drv-via-0.2.1-9 xorg-x11-drv-summa-1.1.0-1.1 xorg-x11-xkb-utils-1.0.2-2.1 xorg-x11-font-utils-7.1-2 xorg-x11-drv-mouse-1.1.1-1.1 xorg-x11-drv-tek4957-1.1.0-1.1 xorg-x11-drv-aiptek-1.0.1-2 xorg-x11-drv-voodoo-1.1.0-3.1 xorg-x11-drv-cirrus-1.1.0-2.fc6 xorg-x11-drv-dynapro-1.1.0-2

1 1

Re: [CentOS] Spacewalk or Puppet?
by Marcus Moeller 07 Nov '09

07 Nov '09

Hi. >> At that point I pass it over to puppet personally. Used to use >> cfengine, but there are aspects I prefer when it comes to puppet; your >> mileage may of course vary. > > well, refer back to my initial email on the subject. Its how you split > state and policy - puppet isnt all that great at state management but > does a great job of policy management and enforcement for that state. > > But then again it depends on how you play your setup, and exactly how > you define what 'management' really is. I am personally not that big fan of Puppet, as things are getting quite complex in large scenarios and as Puppet does not scale well (this has been improved in the latest version if you are using passenger instead of webrick). If you are willed to set up complex configurations with depends and variables, Puppet may be a good choice. In addition of Cobbler or TheForeman you will get provisioning functionality, too. IMHO you should also be familiar with Ruby, too. Spacewalk is one single tool for all Lifecycle Management task. It is capable of bare provisioning (using Cobbler integration), re-provisioning (using Koan), configuration management, errata generation and package management. It also scales quite well if you are using Oracle Standalone instead of XE. With PostgreSQL, a free database backend will be integrated in the near future. We are using Satellite/Spacewalk to manage about 2500 Clients and Servers. Best Regards Marcus

12 59

Apache
by Victor Subervi 06 Nov '09

06 Nov '09

So where does centos hide my httpd.conf file? TIA, V

9 10

Right way to set IO scheduler on CentOS
by Amos Shapira 06 Nov '09

06 Nov '09

Hello, I'd like to set the io scheduler on some of the disks on our Dom0 (CentOS 5) to "deadline". The way I found to do this is with "echo deadline > /sys/block/sdb/queue/scheduler". What is the Right Way(TM) to set this automatically during boot? I sort of expected to use sysctl but it appears to only deal with pseudo-files under /proc/sys, not /sys. Also "sysctl -a" doesn't list such options. Searching the web also only comes up with the "echo" method mentioned everywhere. Is my only way to add some /etc/init.d script or /etc/rc.local line? Thanks, --Amos

4 4

Re: [CentOS] Curious behaviour of openvpn
by Ben Damon 06 Nov '09

06 Nov '09

This happened to me after updating to 5.4 as well. Except mine have not come back. My OpenVPN configuration has been used for a couple years. This is what I am seeing in the log. TLS Error: TLS key negotiation failed to occur within 60 seconds (check your network connectivity) TLS Error: TLS handshake failed > > I noticed that when I went over to CentOS-5.4 > on my server (and re-booted), > my openvpn connections failed for a couple of hours, > and then came back. > > Has anyone noticed this? > > What puzzled me was that the tun0 interface > was present on all machines (according to ifconfig) > but the connections seemed to be lost. >

2 1

Can't Display Python
by Victor Subervi 06 Nov '09

06 Nov '09

Hi; Been a while since I had root access to a server and without GUI. I uploaded and tried to surf to this page: http://209.216.9.56/global_solutions/index.py?w=1024 but the code is displayed, not executed. Is it that I need to inform Apache that *.py files are to be interpreted by python? Please advise, and if easy, tell me what to do. TIA, Victro

10 16

SMART errors
by Michael A. Peters 06 Nov '09

06 Nov '09

I dumpster dived an older low end Dell (actually, found it in a field in a fresh dump pile). Case looked good, only flaws appeared to be missing cdrom bezel and the heat sink clamp was off (but not broken). After cleaning cpu/heat sink and fresh thermal paste, I found out why it was dumped - the internal hard drive was bad, and the optical drive is going bad. I had an old 80 GB Seagate and the optical drive was good enough to boot the boot.iso and do a network install, so I put CentOS 5.4 on it. It is working extremely well as a small headless server, but my Seagate drive has given some SMART errors. This is a drive that has been out of service for several years, I had 60GB worth of flac files on it, and had no trouble getting them off before formatting (and all matched their md5sum). It appears all the errors happen at boot - IE Error 10 occurred at disk power-on lifetime: 1248 hours (52 days + 0 hours) When the command that caused the error occurred, the device was active or idle. After command completion occurred, registers were: ER ST SC SN CL CH DH -- -- -- -- -- -- -- 84 51 00 65 69 db e1 Error: ICRC, ABRT at LBA = 0x01db6965 = 31156581 Commands leading to the command that caused the error were: CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name -- -- -- -- -- -- -- -- ---------------- -------------------- c8 00 10 65 69 db e1 00 00:37:33.571 READ DMA c8 00 08 7d 4b db e1 00 00:37:33.515 READ DMA c8 00 30 4d 4b db e1 00 00:37:33.458 READ DMA c8 00 40 65 48 db e1 00 00:37:33.456 READ DMA c8 00 28 3d 48 db e1 00 00:37:33.419 READ DMA etc. - and no errors since boot. Is that drive about to go south, or are the errors just symptoms of it being older? Are there steps I should take? drive info: === START OF INFORMATION SECTION === Model Family: Seagate Barracuda ATA IV family Device Model: ST380021A Serial Number: 3HV09PHE Firmware Version: 3.05 User Capacity: 80,026,361,856 bytes Device is: In smartctl database [for details use: -P show] ATA Version is: 5 ATA Standard is: Exact ATA specification draft version not indicated Local Time is: Fri Nov 6 10:36:25 2009 PST SMART support is: Available - device has SMART capability. SMART support is: Enabled === START OF READ SMART DATA SECTION === SMART overall-health self-assessment test result: PASSED -=- Thanks for any suggestions.

3 2

recommend benchmarking SW
by Alan McKay 06 Nov '09

06 Nov '09

Hey folks, We've got some new hardware and are trying to figure out what best to do with it. Either run CentOS right on the bare metal, or virtualize, or several combination options. Mainly looking at : - CentOS on bare metal - CentOS on ESXi 4.0 with local disk - CentOS on ESXi with 1 VM running Openfiler to serve disk to other VMs And want to benchmark these 3 scenarios So far all we have is a dd-based disk IO benchmark. What else can you all recommend. BTW, we also ideally want to try each of the above with a Postgres DB as well (and once without) thanks, -Alan -- “Don't eat anything you've ever seen advertised on TV” - Michael Pollan, author of "In Defense of Food"

9 12

Long tar -x: Box Shuts Down
by Mike -- EMAIL IGNORED 06 Nov '09

06 Nov '09

My Centos 5.2 box shuts itself down during a long tar -x. There is plenty of disk available. This is new; it worked in the past. Any suggestions? Thanks, Mike.

5 9

Missing yum-priorities in 5.4?
by Morten Torstensen 06 Nov '09

06 Nov '09

I am looking for yum-priorities or any info on any changes here for CentOS 5.4. There is also a forum post for this here: <https://www.centos.org/modules/newbb/viewtopic.php?topic_id=22798&forum=37> Is this missing on purpose? Function merged with another yum package? Or is it just missing as an oversight? -- //Morten //morten(a)mortent.org

6 8

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Discuss November 2009