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Issues with stat() call on CentOS5 vs CentOS4
by Dougal Ballantyne 14 Dec '10

14 Dec '10

Dear CentOS, I have recently upgraded several servers from CentOS4 to CentOS5 and I am noticing a strange change to the stat() call. I have written a very small program to test and show the behavior. I am calling stat() against a file which is exported from my NAS and mounted with 32k read/write sizes. [dougalb@centos4 tmp]$ cat my_stat.c #include <unistd.h> #include <stdio.h> #include <sys/stat.h> #include <sys/types.h> int main(int argc, char **argv) { if(argc != 2) return 1; struct stat fileStat; if(stat(argv[1],&fileStat) < 0) return 1; printf("Block size: \t\t%d\n",fileStat.st_blksize); return 0; } [dougalb@centos4 tmp]$ [dougalb@centos4 tmp]$ gcc -o my_stat.exe my_stat.c [dougalb@centos4 tmp]$ [dougalb@centos4 tmp]$ ./my_stat.exe /mnt/nas/testfile Block size: 32768 [dougalb@centos4 tmp]$ [dougalb@centos4 tmp]$ cat /etc/redhat-release CentOS release 4.7 (Final) [dougalb@centos4 tmp]$ [dougalb@centos5 tmp]$ ./my_stat.exe /mnt/nas/testfile Block size: 4096 [dougalb@centos5 tmp]$ [dougalb@centos5 tmp]$ cat /etc/redhat-release CentOS release 5.5 (Final) [dougalb@centos5 tmp]$ On CentOS5 it is reporting 4k block sizes when it should report 32k. Has anyone seen this or aware of what is causing this change in behavior? Kind regards, Dougal

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Sun X4640
by m.roth＠5-cent.us 14 Dec '10

14 Dec '10

Problems with a relatively new server: anyone have one of these, and if I see ECC errors complaining about "node 2, core x", does "node 2" mean board 2, or is that the third board, counting from zero, or...? mark

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Specifying 2 LDAP Server for auth
by Nicolas Ross 14 Dec '10

14 Dec '10

Hi ! We are planing on deploying an ldap master and replica to serve as our new authentication server for our soon to be RedHat cluster. But, we need to be able to function if the master is down for whatever reason. So, I tried to specify 2 servers in the setup-authentification servername section, separated by a comma, but it doesn't seem to work. So, is it possible to specifying 2 ldap servers in the config ? If a ldap server goes down, what are the fall-back for authentification ? I have check "cache information", but in my tests, if the ldap server is down, pretty much nothing works correctly. Regards,

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adobe flash
by Ritika Garg 13 Dec '10

13 Dec '10

I have CentOS5.5 installed in the system. After updating the version of firefox, the videos are playing on the internet. Earlier the message "flash player download required" used to come.

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Re: [CentOS] Stripping silent periods from MP3s
by Keith Roberts 13 Dec '10

13 Dec '10

On Mon, 13 Dec 2010, Lamar Owen wrote: > To: Keith Roberts <keith(a)karsites.net> > From: Lamar Owen <lowen(a)pari.edu> > Subject: Re: [CentOS] Stripping silent periods from MP3s > > On Monday, December 13, 2010 12:01:38 pm you wrote: >> PS The list is quiet today. Hope I'm not loosing anything from it :) > > Did you get my pointer to mp3splt+mpgjoin, both available from ATRPMs? I'm having serious problems with my email Lamar. This became apparent when I did not get a mail I posted to the list. Please see here how my emails were posted blank. http://fossplanet.com/f11/%5Bcentos%5D-stripping-silent-periods-mp3s-85190/ Did they appear empty to others on the list? I'm trying to figure out the problem with my hosting provider right now. Since turning SpamAssasin off, I seem to be geting my mail again. To soon to say whether SA was at fault. I doubt it. Kind Regards, Keith Roberts -- In theory, theory and practice are the same; in practice they are not. This email was sent from my laptop with Centos 5.5

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What NAS device(s) do you use? And why?
by Rudi Ahlers 13 Dec '10

13 Dec '10

If you use any NAS (or a SAN) devices, what do you use? And I'm referring more to larger scale network storage than your home PC or home theater system. We've had very good experiences with our NetGear ReadyNAS devices but I'm in the market for something new. The NetGear's aren't the cheapest ones around but they do what it says on the box. My only real gripe with them is the lack of decent scalability. TheCus devices seems to be rather powerful as well, and you can stack upto 5 units together. But that's where the line stops. I'm now looking for something that could scale beyond 100TB on one device (not necessarily one unit though) and find it frustrating that most NAS's come in 1U or 2U at most. Maybe I'm just not shopping around enough, or maybe I prefer to well known brands, I don't know. So, what do you use? How well does it work for you? And, how reliable / fast / scalable is 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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Installing GDChart fails: pecl/gdchart requires PHP extension "gd"
by Alexander Farber 13 Dec '10

13 Dec '10

Hello, has anybody solved the problem of installing GDChart on CentOS 5.5 (I've tried both 32 and 64 bit versions)? I have: # rpm -qa | grep -i php php-pear-1.4.9-6.el5 php-gd-5.1.6-27.el5 php-ldap-5.1.6-27.el5 php-pgsql-5.1.6-27.el5 php-5.1.6-27.el5 php-pdo-5.1.6-27.el5 php-common-5.1.6-27.el5 php-cli-5.1.6-27.el5 php-devel-5.1.6-27.el5 And the "pecl" seems to find GDChart in its repository: # sudo pecl search GDChart Retrieving data...0%....50%....Matched packages, channel pecl.php.net: ======================================= Package Stable/(Latest) Local GDChart -n/a-/(0.2.0 beta) GDChart Based Graphing Interface But installing it fails: # sudo pecl install GDChart Failed to download pecl/GDChart within preferred state "stable", latest release is version 0.2.0, stability "beta", use "channel://pecl.php.net/GDChart-0.2.0" to install Cannot initialize 'GDChart', invalid or missing package file Package "GDChart" is not valid install failed Ok, then I try the suggested "URL": # sudo pecl install "channel://pecl.php.net/GDChart-0.2.0" pecl/gdchart requires PHP extension "gd" No valid packages found install failed But I do have both "gd" and "php-gd" rpms installed and enabled: # cat /etc/php.d/gd.ini ; Enable gd extension module extension=gd.so Any suggestions please? Alex

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"ultimate" backup choice
by S Mathias 13 Dec '10

13 Dec '10

i have: "SERVER A" "SERVER B" with "full root permisson" [ssh, etc] each server has a folder. i want to backup a folder in "SERVER A". are there any backup methods, that meets these two requirements? : 1) running from e.g.: a cronjob 2) when running, it just checks the folder in "SERVER A" and "SERVER B". if a file/folder has been added/removed/modified in the "SERVER A"'s folder, then it copies/removes it/them to "SERVER B"'s folder. please help! Thank you in advance! [for any links, howtos :\ ] have a nice weekend

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Howto batch sign RPM packages?
by Patrick Lists 12 Dec '10

12 Dec '10

Hi, I need to sign a bunch of RPM packages that have interdepencies: build #1, sign #1, install #1, build #2, sign #2, install #2 etc. Based on the info in bz436812 [1] I have created the key (RSA sign only, 4096bit, no sub keys) and put this in .rpmmacros: %_signature gpg %_gpg_path ~/.gnupg %_gpg_name <KEY_ID> %__gpg_sign_cmd %{__gpg} gpg --force-v3-sigs \ --digest-algo=sha1 --batch --no-verbose --no-armor \ --passphrase-fd 3 --no-secmem-warning -u "%{_gpg_name}" \ -sbo %{__signature_filename} %{__plaintext_filename} Now I don't want to type in a rather long and difficult passphrase every time one of dozens of packages need to be signed and I also don't want to temporarily remove the passphrase so am looking for a better solution that works unattended after giving the passphrase once. I looked at gpgwrap (part of pgp-tools in Fedora) but from the docs I could not figure out how to make that work. Anyone know howto set this up? Thanks! Patrick [1] https://bugzilla.redhat.com/show_bug.cgi?id=436812

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openssl chat
by S Mathias 12 Dec '10

12 Dec '10

i can use "natively" openssl for anonymous chat: # Chat: # server side: openssl req -x509 -nodes -days 365 -newkey rsa:8192 -keyout mycert.pem -out mycert.pem # server side - generate a self-signed cert. openssl s_server -accept 52310 -cert mycert.pem # client side - "127.0.0.1" is the IP of the server openssl s_client -connect 127.0.0.1:52310 1) but how can i set it to require username/password? it would be a great chat tool 2) how can i transfer files with openssl? [again: with username/password?] thank you for any ideas :\ p.s.: or it will be a firewall rule, to restrict to ip addresses in a list? those, who are only allowed to connect..

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