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Re: [CentOS] memory query
by Lanny Marcus 29 Jul '07

29 Jul '07

On 28 July 2007, simon wrote: > I have recently installed centOS 5 on DELL pentium 2.7ghz (model > optiplex GX270) and have 512 memory I do not have a CentOS 5 box yet, Below is on a CentOS 4.4 box. A low end Dell Dimension 2400 (Celeron 2.6 GHz, with 512 MB RAM and integrated video and sound). I hope someone running CentOS 5.0 can reply to you! Check out the manual for the Optiplex (and the BIOS settings) and the Support area of Dell.com and maybe you will find out where the missing RAM is used. There's also a Linux area, in the Dell Support forums. Lanny > [mailing-lists@dell2400 ~]$ free > total used free shared buffers cached > Mem: 514440 511260 3180 0 22444 266204 > -/+ buffers/cache: 222612 291828 > Swap: 1044184 0 1044184 > [mailing-lists@dell2400 ~]$ cat /proc/meminfo > MemTotal: 514440 kB > MemFree: 2856 kB > Buffers: 22560 kB > Cached: 266208 kB > SwapCached: 0 kB > Active: 235784 kB > Inactive: 180100 kB > HighTotal: 0 kB > HighFree: 0 kB > LowTotal: 514440 kB > LowFree: 2856 kB > SwapTotal: 1044184 kB > SwapFree: 1044184 kB > Dirty: 8 kB > Writeback: 0 kB > Mapped: 165624 kB > Slab: 23660 kB > CommitLimit: 1301404 kB > Committed_AS: 521484 kB > PageTables: 2696 kB > VmallocTotal: 499704 kB > VmallocUsed: 3720 kB > VmallocChunk: 495604 kB > HugePages_Total: 0 > HugePages_Free: 0 > Hugepagesize: 4096 kB

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Re: [CentOS] typo on a Wiki page
by Lanny Marcus 29 Jul '07

29 Jul '07

On 28 July 2007, Akemi Yagi wrote: > A nice catch. As you know, typos are a hallmark for some CentOS > developers and an integral part of the CentOS project because they > make this OS stand out. :-) I laughed, when I read that! I believe they want to make it as perfect as they possibly can. Actually, I wondered about reporting that typo, because it seems like serious nit picking.

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4gb ram shows as 3.3gb
by Nick 29 Jul '07

29 Jul '07

Hi, Running Centos 5 (32bit)... running a server with 4gb of RAM and it's shows up as: [root@ubercore1 ~]# free total used free shared buffers cached Mem: 3369544 2549668 819876 0 29008 2382360 -/+ buffers/cache: 138300 3231244 Swap: 6291448 0 6291448 I know 4gb is the limit for a 32bit OS but i thought it would be able to use all of it? Is there another kernel i was supposed to install? --N

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Centos as a desktop, advisable?
by beast 29 Jul '07

29 Jul '07

Hello, I would like to deploy centos on hundreds of client PC (a new setup). Presently, several distros has attract me due to their focus on the desktop, however they only have few months lifetime before a new version released. Is it advisable using centos on client? what about support for new hardware and several office productivity software like openoffice, did centos always update to the latest version? Previously i was using RH9 on several hundreds clients and love it, however the update was horrible since it is unsupported, hence I can not install it on the new hardware (ie. sata) thanks. --beast

19 31

rpms for 32 bit
by Tony Barratt 28 Jul '07

28 Jul '07

Thanks Johnny, I dont think there is Internet access on the boxes I have to deal with. What I am trying to get to grips with is the problems described here: http://www-128.ibm.com/developerworks/eserver/library/es-rhel-coexist/ Although actually the hardware is different and I will be using centos 4.0 I guess I need Legacy, Compatibility ARCH Development Support 8 Legacy Software Development 5 Compatibility ARCH Development Support 191 But I dont know which rpms are in these 3 groups, I will only have remote text based access and if I had a list of these rpms I could do a rpm -q to see if they were installed. (maybe these are in a packing list or xml file somewhere?) Also I recall doing some similar application install on 32 bit hardware with Centos 4.0 which meant I had to install some (32 bit) compat libs cos the app was expecting to run on Centos 3.0. So now I might need to install, with ssh/scp, rpms for 32 bit compatability and also 4.0/3.0 compatability. Any further pointers, so I can crack on, rather than scratch my head ;-) TIA Tony Tony Barratt wrote: > Hello! > > Need to install the required rpmz to support 32bit apps on 64bit Centos 4. > How to find out which rpmz are needed? Probably the easiest way is to first make sure you have a .rpmmacros file (in at least root's home directory, also any users that you routinely use to solve dep issues) ... in that file, put this line: %_query_all_fmt %%{name}-%%{version}-%%{release}.%%{arch} That will make all rpm queries show you the $ARCH of the RPMS ... Then, you should be able to bring the file in question onto the machine and do: yum localinstall <filename> ---OR--- If the packages are in the x86_64 repos now, just: yum install <name>.i386 There are some i386 packages inside the x86_64 tree, if you are trying to run others (specifically from 3rd party repos) then you are going to have issues if you try to install the i386 and x86_64 programs at the same time because of shared files (files that exist in both the i386 and x86_64 repos). Most of these shared files are in /usr/share/doc or /etc .. though, maybe also /usr/include and others. The way shared files work is that the shared file MUST have the same md5sum on both $ARCHs (i386 and x86_64) ... which for doc files that are generated via texinfo or other things is quite hard to accomplish. You can minimize shared file problems by installing all i386 duplicate packages with this option: rpm -Uvh --excludedocs <package> This is quite a PITA because you loose the ability to use yum for installs or updates. You could also use the "tsflags=excludedocs" in your /etc/yum.conf file ... but then you get no documentation from any i386 OR x86_64 packages that you install. Either way ... running 32bit packages on x86_64 machines is a royal PITA, and I would recommend that you use a 32bit OS where you know you will need 32bit packages if at all possible. Thanks, Johnny Hughes Tony

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memory query
by simon 28 Jul '07

28 Jul '07

Dear All, I have recently installed centOS 5 on DELL pentium 2.7ghz (model optiplex GX270) and have 512 memory but the OS free command show me Mem: 473876 469892 3984 0 11288 69384 -/+ buffers/cache: 389220 84656 Swap: 1020088 0 1020088 also cat /proc/meminfo show me same MemTotal: 473876 kB MemFree: 4108 kB Buffers: 11040 kB Cached: 69376 kB SwapCached: 0 kB Active: 374072 kB Inactive: 67712 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 473876 kB LowFree: 4108 kB also top gives me the same info why i am loosing the memory.. appreciate your help Thanks n reagrds simon -- Network Administrator

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Re: sono in ferie dal 28-8-2007 al 5-8-2007
by webmaster＠3vit.it 28 Jul '07

28 Jul '07

sono in ferie dal 28-8-2007 al 5-8-2007 mi trovate in ufficio dal 6 al 10 agosto luigi mangili

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copying files between hosts
by simon 28 Jul '07

28 Jul '07

Dear All, i need to copy mail files from my REDHAT Linux old server to my CENTOS new server these files in mbox formay in/var/mail directory i need to preserve permissions as well the the modification date n time i tried using scp it works fine but i can the file permissions r not preserved but the date n time is preserved if i try rcp it gives me error xx.yy.zz.1: Connection refused i have the .rhosts file also apprecite your hep regards simon -- Network Administrator

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openoffice
by beast 28 Jul '07

28 Jul '07

Since rpm from openoffice.org was not nicely integrate with Centos, what is the best way to make OO uptodate, can i use (or depend on) package from fedora (it slightly outdate but not too far from OO release). Having see the huge spec file (around 3700 lines), building it ourself is really not fun :( --beast

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php-suhosin-0.9.20 in the testing repository
by Johnny Hughes 28 Jul '07

28 Jul '07

All, I have just put 3 versions of php-suhosin-0.9.20 in the Testing repository for various versions of CentOS. From the Suhosin website: Suhosin is an advanced protection system for PHP installations. It was designed to protect servers and users from known and unknown flaws in PHP applications and the PHP core. More Suhosin info: http://www.hardened-php.net/suhosin/ Suhosin Configuration: http://www.hardened-php.net/suhosin/configuration.html ===================================================================== The files are: CentOS-4 (will go in C4 extras ... built against php-4.3.9 of CentOS-4 Base): php-suhosin-0.9.20-1.i386.rpm php-suhosin-0.9.20-1.src.rpm php-suhosin-0.9.20-1.x86_64.rpm CentOS-4 Plus (will go in CentOS-4 Plus ... built against the CentOS WebStack php-5.1.6 in C4 CentOSPlus): php-suhosin-0.9.20-1.el4.centos.plus.i386.rpm php-suhosin-0.9.20-1.el4.centos.plus.src.rpm php-suhosin-0.9.20-1.el4.centos.plus.x86_64.rpm These RPMS are in the C4 testing repo here: http://dev.centos.org/centos/4/ Tracker: http://bugs.centos.org/view.php?id=2236 ===================================================================== CentOS-5 (will go in C5 extras ... built against php-5.1.6 in CentOS-5): php-suhosin-0.9.20-1.el5.centos.i386.rpm php-suhosin-0.9.20-1.el5.centos.src.rpm php-suhosin-0.9.20-1.el5.centos.x86_64.rpm These files are in the C5 testing repo here: http://dev.centos.org/centos/5/ Tracker: http://bugs.centos.org/view.php?id=2235 ===================================================================== I would appreciate it if we can get these tested so we can move them into extras or plus as applicable. Please post all comments to the trackers listed above for each version. Thanks (and happy php security :D), Johnny Hughes

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