[CentOS] Per process memory monitoring tool

2014-08-07 Thread przemolicc
Hi all, I am looking for a tool which let me monitor memory consumption per process on CentOS 5/6. The tool should be able to save its history so I could see what amount of memory was consumed yesterday/week ago/etc by each process. Can you recommend anything like that ? Best regards P.

[CentOS] LVM recovery after pvcreate

2013-12-16 Thread przemolicc
Hi all, I had centos 5.9 installed with one of its volumes (non-root) on LVM: ... /dev/vgapps/lvapps /opt/apps ext3defaults1 2 ... Then installed centos 6.4 on this servers but without exporting this volume (I wanted to reuse it). After that instead importing it I

Re: [CentOS] LVM recovery after pvcreate

2013-12-16 Thread przemolicc
To give additional data - currently I have the following: # pvs File descriptor 7 (pipe:[76957]) leaked on pvs invocation. Parent PID 15357: bash PVVG Fmt Attr PSize PFree /dev/sddlmab2 vg01 lvm2 a-- 14.47g 480.00m /dev/sddlmac vgapps lvm2 a-- 50.00g 50.00g But vgapps

[CentOS] 'yum update' rollback or .. ?

2012-06-22 Thread przemolicc
Hello, we have several physical servers (CentOS 5.*) with rather critical applications where (because of stability) we don't do regularly 'yum update'. In virtualized environemnts (under Vmware) we do a snapshot, then 'yum update', reboot and if something is wrong we rollback the snapshot. On

[CentOS] Network accounting

2012-04-16 Thread przemolicc
Hello, we have been using squid cache under CentOS 6. There is basic accounting for each host/client but we need to account for each subnet. Can you recommend any software which easily let us do subnets network accounting ? E.g.: 192.168.1.x X Gb 192.168.2.x Y Gb 192.168.3.x Z Gb ...

[CentOS] Chroot in CentOS 5.* ?

2011-10-07 Thread przemolicc
Hello, can I use chroot users in their home directories under centos 5.* using standard packages ? How about chrooted sftp in centos 5.* ? If I cannot - do I have to use centos 6.* ? Regards Przemek Dom pod miastem lub mieszkanie

Re: [CentOS] really large file systems with centos

2011-07-14 Thread przemolicc
On Thu, Jul 14, 2011 at 04:53:11PM +0300, Pasi Kärkkäinen wrote: On Wed, Jul 13, 2011 at 11:32:14PM -0700, John R Pierce wrote: I've been asked for ideas on building a rather large archival storage system for inhouse use, on the order of 100-400TB. Probably using CentOS 6.The existing

Re: [CentOS] Finding wich files a writen to

2011-05-05 Thread przemolicc
On Wed, May 04, 2011 at 12:17:15PM -0400, Nicolas Ross wrote: Hi ! I have a server (Centos 5) that is using a pair of SAS drives to store the data. (Mail server) They are on an adaptec raid controler with a battery backup and write back cache active. From time to time, I have sever peak

Re: [CentOS] Centos under (vmware vs KVM)

2011-05-05 Thread przemolicc
On Wed, May 04, 2011 at 06:04:44AM -0400, Jim Wildman wrote: On Wed, 4 May 2011, carlopmart wrote: On 05/04/2011 10:58 AM, przemol...@poczta.fm wrote: Hello, we are using several centos servers under Vmware. We are having more and more requests for server space for each business

Re: [CentOS] Centos under (vmware vs KVM)

2011-05-05 Thread przemolicc
On Thu, May 05, 2011 at 01:58:04PM +0200, carlopmart wrote: On 05/05/2011 01:52 PM, przemol...@poczta.fm wrote: What vmware version do you use: server, esxi?? What type of applications do you run under these vms?? How mature is your organization? How big will this get? Why ?

[CentOS] Centos under (vmware vs KVM)

2011-05-04 Thread przemolicc
Hello, we are using several centos servers under Vmware. We are having more and more requests for server space for each business application (let assume that these business requests are for different type of services: databases, web apps, application servers etc. I wonder which solution is

Re: [CentOS] cents 5.6 ..... futur

2011-04-18 Thread przemolicc
On Fri, Apr 15, 2011 at 07:53:34PM -0700, John R Pierce wrote: On 04/15/11 7:40 PM, Michel Donais wrote: Will it be the same from 5.6 to 6.0 or a full install will be better. Full installs are always recommended between major versions. Thank's all for the advise; but is there any easy way

[CentOS] Centos + python + sqlalchemy + mysql

2011-02-02 Thread przemolicc
I am trying to use the following set (all from standard repositories): centos (5.5) + python 2.6 + sqlalchemy + mysql. However while running my script I get: Traceback (most recent call last): File ./oraping2.py, line 43, in module main() File ./oraping2.py, line 23, in main db =

[CentOS] faster fsck ?

2010-10-29 Thread przemolicc
Hi, we have CentOS ftp server (vsftpd) which has a lot of users who are writing and reading a lot of small files from/into its own accounts (and other servers - using samba client - are reading these files and putting them into outside database). Since this server is under heavy load its

[CentOS] Web based ping and port checker ?

2010-10-21 Thread przemolicc
Hello, does anybody know any simple software which allow checking host and its port availability using _web_ forms ? Something like: write ip address: write port number: [press button] Regards Przemek - Gielda samochodow nowych i uzywanych.

[CentOS] TCP flow latency graphs

2010-09-13 Thread przemolicc
Hello, we have one application which gets some data from our database but to print just one result it connects many times to the database over WAN. Of course there are some performance related problems with this type of work. I'd like to analyze (not necessary online) its tcp flow especially its

[CentOS] Trigger after yum update

2010-07-21 Thread przemolicc
Hello, we have installed non-repository based software on our centos servers (e.g. vmware tools). Each time we do 'yum update' we have to run several scripts to check if these software works after update. Sometimes we forget ... It it possible to configure any sort of triggers which will run

Re: [CentOS] Benchmark Disk IO

2010-05-06 Thread przemolicc
On Wed, May 05, 2010 at 09:47:19AM -0700, nate wrote: Matt Keating wrote: What is the best way to benchmark disk IO? I'm looking to move one of my servers, which is rather IO intense. But not without first benchmarking the current and new disk array, To make sure this isn't a full waste

Re: [CentOS] Benchmark Disk IO

2010-05-06 Thread przemolicc
On Thu, May 06, 2010 at 12:56:55AM -0700, John R Pierce wrote: przemol...@poczta.fm wrote: The above numbers are true if we have random (!) IO pattern. In case of sequential (!) IO even SATA disks can deliver much, much higher numbers. sequential IO is remarkably rare in a

Re: [CentOS] recommend benchmarking SW

2009-11-03 Thread przemolicc
On Tue, Nov 03, 2009 at 09:22:57AM -0400, Alan McKay wrote: 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

Re: [CentOS] Antwort: Re: How to clone CentOS server ?

2009-08-31 Thread przemolicc
On Wed, Aug 26, 2009 at 01:46:26PM +0200, frank.brodb...@klingel.de wrote: Hi Kai Schaetzl mailli...@conactive.com schrieb am 26.08.2009 13:31:22: Ivan Varbanov wrote on Wed, 26 Aug 2009 14:10:27 +0300: It will not work if the drives are in raid Don't know if that is really true

[CentOS] How to clone CentOS server ?

2009-08-26 Thread przemolicc
Hello, I'd like to clone existing CentOS server. Can anybody recommend any working solution to achieve that ? Regards Przemyslaw Bak (przemol) -- http://przemol.blogspot.com/ -- Wygraj nawigacje

Re: [CentOS] 64-bit CentOS - your experience

2009-06-29 Thread przemolicc
On Thu, Jun 25, 2009 at 06:56:01PM +0200, przemol...@poczta.fm wrote: Hello, one of our developers is developing his Web applications (PHP-based+MySql) on 64-bit Fedora. He would like to use the same, 64-bit environment on CentOS. I am not against 64-bits (we use it for many, many years

[CentOS] 64-bit CentOS - your experience

2009-06-25 Thread przemolicc
Hello, one of our developers is developing his Web applications (PHP-based+MySql) on 64-bit Fedora. He would like to use the same, 64-bit environment on CentOS. I am not against 64-bits (we use it for many, many years using Solaris) but what concerns me is the stability of 64-bit Linux. Can

[CentOS] Missing php* packages

2009-06-24 Thread przemolicc
Hello, I am trying to migrate one of our fedora-based servers to CentOS. Our PHP developers doesn't allow us to switch because there are no crucial (for them) php packages: php-smarty php-adodb php-accelerator It is not acceptable for us to download sources and compile them and repeat the

Re: [CentOS] Auto-installing security updates?

2009-05-21 Thread przemolicc
On Tue, May 19, 2009 at 04:11:35PM +0100, Anne Wilson wrote: I've been asked to think about setting up an installation for a recently- widowed man. His needs are small - mail, Internet, on-line banking, basically - but his wife dealt with all of it on her laptop and he feels very insecure.