Discuss April 2010

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265 participants
238 discussions

Cluster Suite Question
by Joseph L. Casale 13 Apr '10

13 Apr '10

A while back I posted a question in the Linux-Cluster list and never got a reply. I am hoping maybe someone here has any insight? I have a service that I have changed the default from restart to relocate. Now I need to add one more script resource to it, but this script resource is not essential, and if it tanks, a restart will certainly be sufficient so I assume I have to create another service so I can tune the Restart Policy Extensions for it, whereas the Recovery Policy for the original remains as Relocate. I have looked all through the wiki and net, but I can't see how to group or tie services together so they always follow each other around? These two services can't be on distinct nodes, anyone have any ideas? Thanks, jlc

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CentOS-3, is this what I need?
by Prashant Saxena 13 Apr '10

13 Apr '10

Hi, I am new to linux and so far I have only used ubuntu. I have developed a python application which I would like package and distribute. The problem with packaging tools such as pyinstaller and cx_freeze is that you have to compile the bootloader first. Now If I compile the loader on karmic 9.10, the binary would suffer from compatibility issue. In other words I won't be able to execute the app on a lower version such as ubuntu 8.04.4 LTS. The solution is to use as much as old libc as you can to compile the bootloader. It seems CentOS-3 is based on glibc 2.3, which is pretty old and if I compile and do other stuff of on CentOS-3, it'll do the job and hopefully covers almost all the end user base that I am expecting will use the app. It may possible that I might face some issues with my requirements mentioned below but I have no practical idea about them. As I mentioned before that I am new to linux and I always prefer to use VirtualBox, when ever I try any new distribution. In short these are my requirements and I would like to know whether CentOS-3 is the right choice for me or not? 1. Use VirtualBox. XP Host & CentOS-3 guest. 2. python 2.6.4 3. wxPython 2.8.10.1 from wxWidgets repository 4. libcairo 1.8.8 5. pycairo 1.8.6 6. couple of other python modules. Are these packages available or if not can be downloaded from other repositories? I am also concerned about my requirements that whether they themselves will suffer from binary dependency issue or not because I of using CentOS-3. Some one also suggested that you should also compile your requirements(python, wxpython etc.) along with the bootloader and this would make your package and underlying libraries backward compatible and lesser chance of any failure. Best regards Prashant Your Mail works best with the New Yahoo Optimized IE8. Get it NOW! http://downloads.yahoo.com/in/internetexplorer/

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PXE Boot : Clonezilla
by premrajm＠digilink.in 13 Apr '10

13 Apr '10

Hi, I wanted to set up Clonezilla Tools on my client machine via PXE Boot. How do I do it. I got information from the web, but after making changes in the dhcpd.conf file, the dhcpd fails to start. In the BIOS after enabling the PXE Boot, iam not able to see an Clonezilla menu options that i have placed in /pxelinux.cfg file. Iam using centos-5.3 on Intel Board Please provide me with some more information on the same. Regards, Premraj Disclaimer : This message is proprietary to Smartlink Network Systems Ltd. and is intended solely for the use of the individual to whom it is addressed. It may contain privileged or confidential information and should not be circulated or used for any purpose other than for what it is intended. If you have received this message in error, please notify the originator immediately. If you are not the intended recipient, you are notified that you are strictly prohibited from using, copying, altering, or disclosing the contents of this message. The company accepts no responsibility for loss or damage arising from the use of the information transmitted by this email including damage from virus. ______________________________________________________________________________ This email has been scrubbed for your protection by SecureMX. For more information visit http://securemx.in ______________________________________________________________________________

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Amazon S3FS Automounter of sorts
by Matt Keating 13 Apr '10

13 Apr '10

Hi, I¹ve just started using Amazon S3 for storage and have used s3fs to mount the buckets on the file system. 1. I was wondering if anyone has a better method even though this meets my current needs. 2. if there is an automounter that could be tweaked to work with s3fs. The entries in my fstab are rather different to the normal disk based ones, s3fs#BUCKETNAME /mnt/s3/BUCKETNAME fuse allow_other,default_acl=public-read,noauto 0 0 ,so I wasn¹t sure if it is possible. My reasoning to want an automounter is I¹m not sure on the amount of extra calls made to the S3, so would prefer it not be connected if its not needed. Thanks, Matt NOTE: The information in this email is confidential and may be legally privileged, unless stated to the contrary. If you are not the intended recipient, you must not read, use or disseminate that information. Any opinions or comments are personal to the writer and do not represent the official view of Dennis Publishing Ltd. If you have received this email and are not a named addressee, please contact itdirector(a)dennis.co.uk immediately by reply email and then delete this message from your system. Please do not copy it or use it for any purpose, or disclose its contents to any other person. Although this email and any attachments are believed to be free of any virus, or other defects, it is the responsibility of the recipient to ensure that they are virus free and no responsibility is accepted by Dennis Publishing Ltd for any loss or damage arising from the receipt or use thereof. Company registered in England No. 1138891 Registered office: 30, Cleveland Street, London, W1T 4JD

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ACER T230H touchscreen problem!
by Vladimir Zdraveski 13 Apr '10

13 Apr '10

Hi, I am completely new to CentOS(a week), but work on linux almost 2 years. This touchscreen ACER T230H is probably produced for Windows7, but works also with Windows XP. On CentOS works just screen, but not touch. I have no idea how to make it work. Should I look for driver? Please give me some advice!?! Thanks, Vladimir -- Vladimir Zdraveski Student Informatics and Computer Engineering Faculty of Electrical Engineering and Information Technology Skopje, R.Macedonia web: http://zdr.vlad.tripod.com/

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PXE Boot : Clonezilla
by premrajm＠digilink.in 13 Apr '10

13 Apr '10

Hi, I wanted to set up Clonezilla Tools on my client machine via PXE Boot. How do I do it. I got information from the web, but after making changes in the dhcpd.conf file, the dhcpd fails to start. In the BIOS after enabling the PXE Boot, iam not able to see an Clonezilla menu options that i have placed in /pxelinux.cfg file. Iam using centos-5.3 on Intel Board Please provide me with some more information on the same. Disclaimer : This message is proprietary to Smartlink Network Systems Ltd. and is intended solely for the use of the individual to whom it is addressed. It may contain privileged or confidential information and should not be circulated or used for any purpose other than for what it is intended. If you have received this message in error, please notify the originator immediately. If you are not the intended recipient, you are notified that you are strictly prohibited from using, copying, altering, or disclosing the contents of this message. The company accepts no responsibility for loss or damage arising from the use of the information transmitted by this email including damage from virus. ______________________________________________________________________________ This email has been scrubbed for your protection by SecureMX. For more information visit http://securemx.in ______________________________________________________________________________

1 0

rsyslog 4.x or 5.x version for Centos 5.4
by For＠ll 13 Apr '10

13 Apr '10

Hi, I was looking for centos 5.4 package rsyslog version 5.x or 4.x as rpm. Any repo exist with this package? For@ll

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how to debug pxe boot problems
by Rudi Ahlers 13 Apr '10

13 Apr '10

Hi all, I'm trying to get a pxeboot server up and running, according to the instructions on the WIKI (http://wiki.centos.org/HowTos/PXE/PXE_Setup & http://wiki.centos.org/HowTos/PXE/PXE_Setup/Menus) Here's my /tftpboot/pxepxelinux.cfg/default : default menu.c32 prompt 1 timeout 300 ONTIMEOUT local MENU TITLE PXE Menu label Dos Bootdisk MENU LABEL ^Dos bootdisk kernel memdisk append initrd=images/622c.img LABEL CentOS 5 x86_64 MENU LABEL ^CentOS 5 x86_64 kernel images/centos/5/x86_64/vmlinuz append initrd=images/centos/5/x86_64/initrd.img ramdisk_size=100000 ksdevice=eth0 ip=dhcp url --url http://192.168.2.250/linux/centos/5/os/x86_64 label linux kernel vmlinuz append initrd=initrd.img ramdisk_size=9216 noapic acpi=of Then, here's the layout for the CentOS 5 image: [root@intranet /]# ll /tftpboot/images/centos/5/ total 0 lrwxrwxrwx 1 root root 35 Apr 13 07:20 x86_64 -> /home/www/linux/centos/5/os/x86_64/ As you can see, I linked the folder to a Linux image on the hard drive. Apache then advertises that folder on the LAN as follows: http://192.168.2.250/linux/centos/5/os/x86_64 and I can browse the folders via Firefox. Yet when I bootup a PC in PXE mode, it doesn't actually load the CentOS image. I can see the PXE Menu and choose between "Dos Bootdisk", "CentOS 5 x86_64" and "linux" (which I setup as a test). When I load "Dos Bootdisk", I get an error: Loading memdisk.... Could not find ramdisk image:images/622c.img boot : So, it's reading the configuration, but not loading the CentOS boot image. /var/log/messages doesn't give my any errors on this (yes I know how to read /var/log/messages) Does anyone know how to get pxeboot to output debug messages to syslog? OR,what am I doing wrong? The tutorials I got on the net are rather vague on this. And please don't tell me to use Cobbler, I already tried that but no one one this lists supports it. -- Kind Regards Rudi Ahlers SoftDux Website: http://www.SoftDux.com Technical Blog: http://Blog.SoftDux.com Office: 087 805 9573 Cell: 082 554 7532

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Swap = 0
by cahit Eyigünlü 13 Apr '10

13 Apr '10

My server returning an error sth. like swap = 0 then locking httpd and all other services is this normal this is a virtual machine and i give it 3 gb ram and 4cpu of i7 920 i have 1 gbit connection on this machine finally i have 4000+ clients at one time :S

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How to log separate files or directories for centralizing SysLog server ?
by James Corteciano 13 Apr '10

13 Apr '10

Hi All, I have three server. server0 is centralized logging server, server1 and server2 are remote client servers. How can I properly configure the syslog in server0 to log the two servers in different separated files/directories. Example, server1 will be logged at /var/log/syslog/server1.log of server0 and /var/log/syslog/server2.log for server2 as well. Is there need of little tweaking for syslog.conf ? Thanks. James

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Discuss April 2010