Discuss May 2010

discuss@lists.centos.org

270 participants
215 discussions

NIS question
by ann kok 05 May '10

05 May '10

Hi How can we use NIS to control a user in different servers? eg: serverA /home/userA/javaapplication serverB /export/home/userA/javaapplication serverC /vol/home/javaapplication Thank you

4 3

gcc?
by hadi motamedi 05 May '10

05 May '10

dear all i have gcc on my centos. I need to make an executable file from my c code. Can you please let me know what stuff and company do i need on my centos? Is there any gui like c++/visual c avalable for centos? Thank you

14 22

Math?
by hadi motamedi 05 May '10

05 May '10

Dear All Is there any software package like MATLAB for Windows available for centos? Thank you

13 12

dhclient.conf being ignored!
by Todd Denniston 05 May '10

05 May '10

It seems that the prominent North American Enterprise Linux vendor has decided that dhclient.conf should be ignored, i.e. ifup-eth causes dhclient to be called with "-cf /etc/dhclient-$(DEVICE).conf", and then ifup-eth/ifdown-eth wipes the file out each time. Through the use of "DHCP_HOSTNAME" in ifcfg-eth0 you can specify a host name, but because of the above behavior of ifup-eth other options don't seem to be able to be passed to dhclient. I tried placing supersede ntp-servers into dhclient-up-hooks, but that also seems to be ignored, and my google fu seems to be failing on how to build dhclient-enter-hooks for the purpose (if that would even help). anyone got better suggestions than: a) mod /etc/sysconfig/network-scripts/ifup-eth to build /etc/dhclient-$(DEVICE).conf combining the options I want. b) brute forcing things with `chattr +i /etc/ntp.conf` -- Todd Denniston Crane Division, Naval Surface Warfare Center (NSWC Crane) Harnessing the Power of Technology for the Warfighter

1 0

vim and backup files
by Joseph L. Casale 05 May '10

05 May '10

None of my CentOS servers that are up to date recognize :set backup? A strace shows no mention of it, the backup never gets created, what am I missing here, anyone know if something changed that affects the backup behavior? Thanks! jlc

5 11

nfs4 help needed
by Anne Wilson 04 May '10

04 May '10

Fedora 13 is using nfs4, and there is a problem in opening files requiring OpenOffice if accessed over an nfs3 mount, so it's time to change. I found a couple of tutorials, and got it *almost* working correctly. This is where I need help. Logwatch tells me /nfs4exports/Data1 and /Data1 have same filehandle for *,192.168.0.0/24,192.168.0.0/255.255.255.0, using first The tutorial I was following suggested making a root connection as ro, then the data connections as rw, so I have /nfs4exports 192.168.0.0/24 (ro,sync,insecure,root_squash,no_subtree_check,fsid=0) /nfs4exports/Data1 192.168.0.0/24(rw,insecure,no_subtree_check,nohide) /nfs4exports/home 192.168.0.0/24(rw,insecure,no_subtree_check,nohide) However, when I ls nfs4exports I get Data1 home which ties in, I think, with the logwatch report. Can someone please explain what I've misunderstood, and what I should do to put it right? Thanks Anne

2 3

Mock Shell Arch Command
by Ryan Wagoner 04 May '10

04 May '10

I've successfully rebuilt Red Hat EL PHP 5.2.10 RPMs using mock on a CentOS 5.4 i386. I wanted to be able to build both x86_64 and i386 versions so I reinstalled my builder system with CentOS 5.4 x86_64. Now I can build the PHP RPM successful for x86_64, but i386 fails with the following during configure /usr/bin/net-snmp-config: line 43: net-snmp-config-x86_64: command not found For the commands I am using mock -r centos-5-x86_64 php-5.2.10-1.el5s2.src.rpm mock -r centos-5-i386 php-5.2.10-1.el5s2.src.rpm I went into the shell on the i386 build environment mock -r centos-5-i386 shell The contents of /usr/bin/net-snmp-config has arch=`arch` echo $arch | grep -q i.86 ...... if [ "$arch" = "x86_64" ] ; then net-snmp-config-x86_64 $* exit 0 fi When I run arch from the mock shell I get x86_64. Shouldn't it see the correct architecture inside of mock? I thought that was the point of mock so I could build both i386 and x86_64 versions on the same system. Thanks, Ryan

2 1

iostat on multipath disks
by Wahyu Darmawan 04 May '10

04 May '10

Hi Experts, How can I get info for my disks on multipath disks? I mean, usually I use 'iostat' for internal disks, however I need to know status of my multipathig devices, cause I'm monitoring stress test for my application.. Thank you for your responses. Regards,

2 1

Matlab vs. Octave
by m.roth＠5-cent.us 03 May '10

03 May '10

Oddly enough, there's a report on slashdot today, that Matlab doesn't have the code for 64 bit math, bu that "Octave, the free Matlab clone" does. <http://tech.slashdot.org/article.pl?sid=10/05/02/2038255> mark

1 0

Upgrading to 2.6.32
by maillists0＠gmail.com 03 May '10

03 May '10

I want to upgrade a 5.4 box with the 2.618 kernel to a shiny new 2.6.32 kernel. Anyone done it? Is it possible? Are there gotcha's to watch out for? Any advice is appreciated. A link to a decent howto would be awesome.

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Discuss May 2010