[CentOS] HP Proliant ML G6 problem.

Hi all. I try to install CentOS 4 x64 on HP Proliant ML G6. Anaconda doesn't correctly recognise the DVD-RW drive despite the fact that the installation starts from it. Also when I choose network (HTTP/FTP) installation type the ethernet card isn't correctly recognized. On HP website there aren't

Re: [CentOS] HP Proliant ML G6 problem.

Could You provide a link to such a howto? 2009/10/31 nate > Rafa³ Radecki wrote: > > > What should I do? Where to start from to solve the problem? > > Simple - use CentOS 5. > > If your really wanting to use CentOS 4 run it in a VM, or > build a custom driver disk after compiling the right drive

[CentOS] Driver compilation howto.

Hi all. I currently have to add some drivers during the installation process for CentOS 4.4 (I mus use this release). As I've heard I need first to compile the drivers under the same kernel which will be used during install time. What should I do then? Could anyone provide a link to an appropriate

Re: [CentOS] Driver compilation howto.

Hmm, it is a dedicated distribution with proprietary software :| 2009/10/31 mark > Rafa³ Radecki wrote: > > Hi all. > > > > I currently have to add some drivers during the installation process for > > CentOS 4.4 (I mus use this release). As I've heard I need first to > compile > > the drivers un

[CentOS] Virtualization - what do You recommend?

Hi All. I plan to use virtualization in my production environment. I plan to use one of the following options: - KVM; - VMWare Esxi; - VMWare Workstation. I plan to install Windows 2008 as a guest. I want to use something like LVM snapshots for backups. Stability is also very important, the guest

[CentOS] Best way to backup virtual machines from Citrix XenServer.

Hi All. I have installed Citrix XenServer. It's Linux-based virtualization software. Could anyone propose a good way to make backups of virtual machines (Linux/Windows) in it? With regards, R. ___ CentOS mailing list CentOS@centos.org http://lists.cento

[CentOS] Clustering solutions - mail, www, storage.

Hi all. I am currently working for a hosting provider in a 100+ linux hosts' environment. We have www, mail HA solutions, as storage we mainly use NFS at the moment. We are also using DRBD, Heartbeat, Corosync. I am now gathering info to make a cluster with: - two virtualization nodes (active mas

[CentOS] Rozważania odnośnie storage?

Cześć. Aktualnie mam do czynienia z klastrem pocztowym, w którym pliki wiadomości pocztowych użytkowników są przechowywane na raid software-owym udostępnianym po NFS. Serwerów NFS jest kilka, każdy udostępnia podzbiór wiadomości dla odpowiedniego serwera z postfix-em, który jest klientem NFS. Dane

Re: [CentOS] Rozważania odnośnie storage?

Sorry, mail was mentioned for polish centos list. Best regards, Rafał. W dniu 13 stycznia 2012 21:55 użytkownik fakessh napisał: > use the tool googletranslate > is well for that > > > cheers > > Le 2012-01-13 20:43, Diego Sanchez a écrit : >> Rafał Radecki :

[CentOS] Storage - posibilities?

Hi all. Currently I am administering a mail cluster in which messages are stored on software RAID shared with NFS. There are several NFS servers, every one of them exports a part of all mail files for a specific frontend with postfix. We are thinking about replacing these storage hosts with one s

[CentOS] CentOS - Iaas - your experiences?

management? And why? KVM/Xen/something else for virtualization? iSCSI/NFS/something else for storage? Please share your experiences and pros/cons which you observed. Maybe also some good howtos? Best regards, Rafal Radecki. -- Rafał Radecki Administrator Systemów, SuperHost.pl rafal.rade...@superhost.pl

[CentOS] Postfix - no nfs mounted shares on server - but nfs related problem in maillog.

Hi all. I have one server with problem in maillog: Feb 6 06:46:26 host1 postfix/qmgr[24296]: fatal: qmgr_move: update active/4DE015AC536 time stamps: Stale NFS file handle Feb 6 06:46:27 host1 postfix/master[4487]: warning: process /usr/libexec/postfix/qmgr pid 24296 exit status 1 Feb 6 06:46:

[CentOS] Filesystem backup?

Hi all. I'm currently having a following problem: I have only ssh connection to a CentOS 5.2 system, there are two harddiscs on it. One stores the system (/ filesystem) and the other should be used to help restore the system in case of first disks' failure. I thought that maybe dump would be a good

Re: [CentOS] Filesystem backup?

I think about using dd instead of dump? Is this an acceptable idea? 2009/6/21 Robert Heller > At Sun, 21 Jun 2009 11:49:09 +0200 CentOS mailing list > wrote: > > > > > > > > > Hi all. I'm currently having a following problem: I have only ssh > connection > > to a CentOS 5.2 system, there are tw

Re: [CentOS] Filesystem backup?

Could You please explain what exactly that line means: # dump 0f - / | (cd /seconddisk; restore -rf -) You are very helpful. With regards, R. 2009/6/21 Robert Heller > At Sun, 21 Jun 2009 15:06:35 +0200 CentOS mailing list > wrote: > > > > > > > > > I think about using dd instead of dump? Is

[CentOS] Proper check of openssl usage in processes?

Hi All :) I need to check and possibly update openssl on my fleet of servers. I would like to avoid reboot if possible. I think that I can: - update openssl version with yum - check all daemon processes which are constantly running in the os, for example for sshd something like ldd `which sshd`

[CentOS] Update only of security vulnerabilities?

Hi All :) What is the best way to get a list of available security updates? I found several commands for that: 1) yum updateinfo list updates -q --security 2) yum list-security --security -q 3) yum --security check-update -q Based on the sample output below I think I can use any of the three with

Re: [CentOS] Update only of security vulnerabilities?

:) BR, Rafal. 2015-04-08 18:15 GMT+02:00 Jonathan Billings : > On Wed, Apr 08, 2015 at 03:54:18PM +0200, Rafał Radecki wrote: > > What is the best way to get a list of available security updates? > > I found several commands for that: > > 1) yum updateinfo list updates -q

[CentOS] Supervisord - is it really needed?

Hi All :) In Centos 7 we have systemd. Is in this case supervisord needed? What are your experiences? systemd can clearly be used to respawn processes in case they will die. BR, Rafal. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/ma

[CentOS] Centos 7 - "Device eth1 does not seem to be present, delaying initialization".

Hi All :) I have three servers, all with centos 7 installed 3 days ago. I need on them "old" naming scheme (ethX) for network interfaces, because of that: # grep GRUB_CMDLINE_LINUX /etc/sysconfig/grub GRUB_CMDLINE_LINUX="rd.lvm.lv=centos_node-XY/swap rd.lvm.lv=centos_node-XY/root rhgb quiet ipv6.

Re: [CentOS] Centos 7 - "Device eth1 does not seem to be present, delaying initialization".

Surprisingly: # lspci -vvv | grep 'Device Serial Number' Capabilities: [140 v1] Device Serial Number 00-1e-67-ff-ff-7f-9c-98 Capabilities: [140 v1] Device Serial Number 00-1e-67-ff-ff-7f-9c-98 Capabilities: [140 v1] Device Serial Number 00-1e-67-ff-ff-7f-9c-98 Capab

Re: [CentOS] Centos 7 - "Device eth1 does not seem to be present, delaying initialization".

GMT+02:00 Yamaban : > On Wed, 21 Oct 2015 10:20, Rafał Radecki wrote: > > Hi All :) >> >> I have three servers, all with centos 7 installed 3 days ago. I need on >> them "old" naming scheme (ethX) for network interfaces, because of that: >> >&

[CentOS] LVM - how to change lv from linear to stripped? Is it possible?

Hi All. Currently I am trying to change a logical volume from linear to stripped because I would like to have a better write throughput. I would like to perform this change "live" without stopping access to this lv. I have found two interesting examples: http://community.hpe.com/t5/System-Adminis

[CentOS] LVM - stripped logical volumes by default?

Hi All. I am currently using OpenStack Juno on CentOS 7. The problem is that by default OpenStack's Cinder service creates logical volumes of "linear" type. I would like to have them stripped over all physical disks to get better write performance. Is there a way to tell LVM to create by default

[CentOS] Centos 6.3 x86_64, drbd, which repo? atrpms or elrepo?

Hi all. I am currently installing drbd on Centos 6.3 x86_64 and have two possible repos to choose. Which one in your opinion is better/provides more stable packages/etc.? Best regards, Rafal Radecki. ___ CentOS mailing list CentOS@centos.org http://list

[CentOS] Monitoring bandwidth, latency, packet drop.

Hi all. I am currently thinking about monitoring a network link (bandwidth, latency, packet drop). I have a centos server which is connected to providers network through a switch. How to test the link? Should I: - use ICMP to ping gateway and collect staistics of time/packet loss/etc. - use softwa

[CentOS] Memcached - replication?

Hi all. I am thinking about installing memcached with replication, I've found http://sourceforge.net/projects/repcached/files/repcached/2.2.1-1.2.8/ but it is for 1.2.8, and for Centos 6.3 memcached is in version 1.4.4. I do not want to use client side "replication" (writing to two memcached nodes

Re: [CentOS] Memcached - replication?

What do you think about http://mdounin.ru/ and http://silverdire.com/2012/06/01/memcached-1-4-13-replication/ ? 2012/11/9 Rafał Radecki > Hi all. > > I am thinking about installing memcached with replication, I've found > http://sourceforge.net/projects/repcached/files/repc

[CentOS] JPackage repo - is it good?

Hi all. I am installing solr and would like to use JPackage repo http://www.jpackage.org/. What do you think about this repository? Any problems with it? Best regards, Rafal. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/list

[CentOS] Conntrackd - fail at startup.

Hi all. I currently try to start conntrackd to test it. CentOS release 6.3 (Final) Linux lb1.local 2.6.32-279.11.1.el6.x86_64 #1 SMP Tue Oct 16 15:57:10 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux This is a VirtualBox vm. I try: /usr/sbin/conntrackd -C /etc/conntrackd/conntrackd.conf -d My config:

Re: [CentOS] Conntrackd - fail at startup.

Thanks for the tip, it works now :) Best regards, Rafal. 2012/11/21 Marcin Lage > I'm not sure, but in UDP { . Interface "some -interface" } > > 2012/11/21 Rafał Radecki > > > Hi all. > > > > I currently try to start conntrackd to test it.

[CentOS] Dell unofficial community repository - what do you think?

Hi all. I am currently gathering information about firmware update on Dell PowerEdge machines. I've found http://linux.dell.com/wiki/index.php/Firmware-tools_announcement and https://linux.dell.com/repo/community/ It is an unofficial, community supported repository. What are your experiences: sho

[CentOS] CentOS on IBM Z Series.

Hi All. I manage some IBM Z Series servers. But currently there are no system tools (like OMSA tools for Dell servers) installed. Is there a repository with tools/firmware updates for IBM servers for Linux/RHEL/CentOS? I've googled around but with no luck. I have found only this for power servers:

[CentOS] Dell firmware repository - out of date firmware?

Hi All. I am using dell firmware repository (http://linux.dell.com/wiki/index.php/Repository/OMSA). To update all firmware on my Dell PowerEdge R310 I use: yum install $(bootstrap_firmware) update_firmware --yes and perform reboot. Then the firmware for my PERC H200 RAID controller is "up to date"

Re: [CentOS] Dell firmware repository - out of date firmware?

Correction: I use this repo for hardware updates: http://linux.dell.com/wiki/index.php/Repository/firmware 2013/2/6 Rafał Radecki : > Hi All. > > I am using dell firmware repository > (http://linux.dell.com/wiki/index.php/Repository/OMSA). To update all > firmware on my Dell Power

[CentOS] Gluster - data migration.

Hi All. I have two servers ("master" and "slave") with a replicated gluster volume. Recently I've had a problem with slave and gluster does not work on it now. So I would like to: - stop and remove current volume on master (on slave it is not accessible); - stop gluster software on master (already

[CentOS] Gluster 3.3 - good to use?

Hi All. I want to use mentioned version of glusterfs in a simple master/slave setup (production servers). Two nodes have a replicated volume and the both mount it using glusterfs. What are your experiences with gluster 3.3? Is it stable? Have you had any serious problems? I do not have much experi

[CentOS] NFS mount auto remount in case of problems.

Hi All. I have a setup in which I have two servers serving nfs share. The nfs service is made highly available with pacemaker. When the primary server goes down the secondary starts nfs service. Service IP is floating between servers but they have NO "shared" storage/filesystem so NFS state/connec

Re: [CentOS] NFS mount auto remount in case of problems.

Project requirements. I've mentioned that drbd would be appropriate but... ;) 2013/2/24 Ian Forde : > Why not use DRBD in lieu of shared storage? > > On Wed, Feb 20, 2013 at 2:52 AM, Leon Fauster > wrote: > >> Am 20.02.2013 um 11:29 schrieb Rafał Radecki : >> &g

[CentOS] HP download.linux.hp.com not available for rsync?

Hi All. TCP port 873 (rsync) is closed on download.linux.hp.com for ~24 hours. Does anyone know why? A quick look in google has not helped to find the answer. Best regards, Rafal. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman

Re: [CentOS] HP download.linux.hp.com not available for rsync?

If the rsync inaccessibility will last longer I will switch to lftp, thanks for the info ;) Best regards, Rafal. 2013/2/26 John R Pierce : > On 2/26/2013 12:55 AM, Rafał Radecki wrote: >> TCP port 873 (rsync) is closed on download.linux.hp.com for ~24 hours. >> Does anyone know wh

[CentOS] Solr 4.1 - how to check replication staistics using wget?

Hi All. I am currently migrating from solr 3.6 to solr 4.1. In 3.6 to check the status of solr master/slave replication I've been using url: http://${SOLRMASTER}:${SOLRPORT}/solr/admin/replication/index.jsp from script. After migration to 4.1 this url is no longer available. Can you tell which u

[CentOS] Memcache timeouts?

Hi All. I am currently using memcache daemon in version 1.4.15 on one of my servers. The second one is executing php scripts which use mentioned memcache daemon (php53-pecl-memcache-2.2.5). Memcache server: CentOS release 6.3 (Final) 2.6.32-279.5.2.el6.centos.plus.x86_64 uptime 184 days PHP serv

Re: [CentOS] Memcache timeouts?

No, the php scripts are executed from crontab. 2013/3/22 Leon Fauster : > Am 22.03.2013 um 15:37 schrieb Rafał Radecki : >> Hi All. >> >> I am currently using memcache daemon in version 1.4.15 on one of my >> servers. The second one is executing php scripts which use m

[CentOS] httpd writes much to /var? How to audit it properly?

Hi All. I currently use: Apache/2.2.21 on: 2.6.32-279.9.1.el6.centos.plus.x86_64 CentOS release 6.3 (Final) >From time to time (it happenes on different machines) I have a very high load up to 100, and I see that there are up to 300/s writes to /var at the same time. Apache restart solves the pro

[CentOS] CentOS 6-6.3 -> no updates and security fixes?

Hi All. I've found: This directory (and version of CentOS) is depreciated. For normal users, you should use /6/ and not /6.3/ in your path. Please see this FAQ concerning the CentOS release scheme: http://www.centos.org/modules/smartfaq/faq.php?faqid=34 If you know what you are doing, and abso

[CentOS] ReiserFS - status?

Hi All. What is the status of ReiserFS in CentOS at the moment? I have some servers which use it as a loadable kernel module. I am thinking about a filesystem for database systems and would like to know if ReiserFS will be maintained in CentOS/Linux kernel in the future? Best regards, Rafal.

[CentOS] Centos 6.4 hostname issues.

Hi All. I currently have a problem with hostname and fqdn. I use: # cat /etc/redhat-release ; uname -r CentOS release 6.4 (Final) 2.6.32-358.11.1.el6.centos.plus.x86_64 # hostname srv1.devel.test.com # grep HOSTNAME /etc/sysconfig/network HOSTNAME=srv1.devel.test.com # cat /etc/hostname srv1

[CentOS] Java/Solr - Could not reserve enough space for object heap.

Hi All. # cat /etc/redhat-release CentOS release 6.2 (Final) # uname -r 2.6.32-220.17.1.el6.centos.plus.x86_64 # rpm -qa | grep solr apache-solr-3.5.0-1.5... I have a solr installation which is invoked: /usr/bin/java -Xms25g -Xmx25g -DSTOP.PORT=8079 -DSTOP.KEY=mustard -Dsolr.solr.home=multicor

Re: [CentOS] Java/Solr - Could not reserve enough space for object heap.

Why "25G x2" -> -Xms minimal, -Xmx maximal? 2013/7/4 Tru Huynh > On Thu, Jul 04, 2013 at 09:54:49AM +0200, Rafał Radecki wrote: > > Hi All. > > > > # cat /etc/redhat-release > > CentOS release 6.2 (Final) > you should upgrade to 6.4... > >..

Re: [CentOS] Java/Solr - Could not reserve enough space for object heap.

return 1; fi cd $SOLR_DIR $JAVA $JAVA_OPTIONS_STOP --stop RETVAL=$? sleep 2 echo [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/solr return $RETVAL } 2013/7/4 Rafał Radecki > Why "25G x2" -> -Xms mi

[CentOS] curl ciphers name mapping openssl to curl format?

Hi All. In curl manual: --ciphers -> "(SSL) Specifies which ciphers to use in the connection. The list of ciphers must specify valid ciphers. Read up on SSL cipher list details on this URL:http://www.openssl.org/docs/apps/ciphers.html"; In openssl: http://www.openssl.org/docs/apps/ciphers.html#CIP

[CentOS] Fastest way of removing very large number of files?

Hi All. I currently have a problem on my backup server with very large number of small files in a large number of directories. I would like to delete them as fast as possible. Currently I use: rsync -a --delete /empty_directory/ dir_to_clean/ I've read that rsync will be faster than rm or find.

[CentOS] yum update after update from 6.3 to 6.4 - problems with epel repository.

Hi All. I've updated my system from 6.3 to 6.4. In my /etc/yum.repos.depel.repo I have: [epel] name=Extra Packages for Enterprise Linux - $basearch #baseurl=http://download.fedoraproject.org/pub/epel/6/$basearch mirrorlist= http://mirrors.fedoraproject.org/mirrorlist?repo=epel-6&arch=$basearch fai

[CentOS] crond sometimes launches a child process?

Hi All. I monitor number of crond processes on my machines. On one of them I have 2 crond processes for a short period of time (few minutes) everyday. It is at the same time when one jobs starts to run - a sphinx indexer. What are the possible causes of crond running a child crond process? Best

[CentOS] syslog-ng or rsyslog?

Hi All. I've used syslog-ng for some time. I like it. I have a project in which I need to choose a central logging solution. What are your experiences with rsyslog? Is it more complex to setup than syslog-ng? Or maybe does it have some additional features? I am also thinking about using some gui

[CentOS] What gui to use for syslog-ng logs?

Hi All. I have an environment in which I would like to implement a GUI for parsing syslog-ng logs from operating system, application servers and databases. I've heard that Splunk is a good tool but its quite hard to learn. Are there any valuable alternatives? What are you using and why? Best rega

Re: [CentOS] What gui to use for syslog-ng logs?

In GB, the paid license is an option ;) 2013/11/18 ign...@vault13.lt > On 2013.11.18 17:56, Rafał Radecki wrote: > > Hi All. > > > > I have an environment in which I would like to implement a GUI for > parsing > > syslog-ng logs from operating system, app

[CentOS] Weblogic logging to syslog?

Hi All. I have a setup in which: - applications deployed in weblogic log directly to weblogic; - components of weblogic (domain, admin server, managed servers) log to proper files (default logging). I would like to connect logging to syslog server. Is it possible? As I have read it is possibl

[CentOS] Linux reinstallation without rebooting? Alternative to kickstart and other such tools?

Hi All. I am curious if it is possible to reinstall linux distribution to centos (or another distro) if I have a remote linux server with no kvm access (i do not want to use virtualization). I know that for installation pxe, tftpboot and kickstart or a proper iso/cd and kickstart are standard opti

Re: [CentOS] Linux reinstallation without rebooting? Alternative to kickstart and other such tools?

That's what I was looking for, many thanks! :) I have a funny situation in which I need to reinstall remotely from Debian 7 to CenOS 6.5 without kvm access and now it is possible :) Best regards, Rafal. 2014/1/11 Kai Schaetzl > Andrew Holway wrote on Sat, 11 Jan 2014 11:05:37 +: > > > You

Re: [CentOS] Linux reinstallation without rebooting? Alternative to kickstart and other such tools?

Thanks for all the tips ;) I also prefer iLO-like interfaces but sometimes there is no such option, I'm glad that there are still options to perfom installation in such situations. Best regards, Rafal. 2014/1/11 John R Pierce > On 1/11/2014 6:41 AM, Rafał Radecki wrote: > > Tha

[CentOS] LogScape as a Splunk alternative?

Hi All. I searched for a Splunk alternative and found LogScape. Have anyone worked with it? There is no documentation available only some very brief installation instructions and there is almost no information in google about successful deployments in linux environments. From my current perspectiv

[CentOS] Mail server - MailScanner/Baruwa/postfix/...

Hi All ;) Currently I am gathering info about possible components for a mailserver. I think that MailScanner/Baruwa/postfix will be a good choice. I set up a similar system (with MailWatch instead of Baruwa) about 3 years ago and had very good experience ;) What do you think about MailScanner/Baru

[CentOS] mbox files - can they be "compacted"?

Hi All ;) Is there an option to compact large mbox files from the shell? I did not find anything in google, I have some very large constantly updated mbox files and would like to know if they can be made smaller with any tool. AFAIK mutt does such operation when for example an email is deleted but

[CentOS] Software RAID10 - which two disks can fail?

Hi All. I have a server which uses RAID10 made of 4 partitions for / and boots from it. It looks like so: mdadm -D /dev/md1 /dev/md1: Version : 00.90 Creation Time : Mon Apr 27 09:25:05 2009 Raid Level : raid10 Array Size : 973827968 (928.71 GiB 997.20 GB) Used Dev Size : 48

Re: [CentOS] Software RAID10 - which two disks can fail?

The raid10 name is very misleading. I came to the same conclusion yesterday: for sake of clarity I will make two raid1 arrays and combine them into a raid0 ;) Thanks for all info. BR, Rafal. 2014-04-08 8:49 GMT+02:00 Christopher Chan : > On Tuesday, April 08, 2014 03:47 AM, Rafał Rade

[CentOS] USB key accessible/seen remotely.

Hi All :) I have currently an USB key which is needed by some software on a remote server. Is there a way to use my local USB port (attach mentioned device to it) and share it with this remote server? BR, Rafal. ___ CentOS mailing list CentOS@centos.org

[CentOS] Centos 6 full backup software?

Hi All ;) I need a good tool to backup whole system on block level rather than file level and easy to use. I currently need to backup to an USB disc (50+ GB of data) a system and then reinstall it. In the future if needed I will revert to the system from backup ;) What can you recommend? BR, Raf

[CentOS] syslog-ng 2.1.4 - file sources are read only when reload or restart is performed?

Hi All ;) I am using a virtual machine with: Red Hat Enterprise Linux Server release 5.7 (Tikanga) Linux logserver01 2.6.18-274.el5 #1 SMP Fri Jul 8 17:36:59 EDT 2011 x86_64 x86_64 x86_64 GNU/Linux syslog-ng 2.1.4 I have following configuration: ... 9 options { 10 create_dirs (yes);

Re: [CentOS] Centos 6 full backup software?

-07-16 22:37 GMT+02:00 : > Rafał Radecki wrote: > > Hi All ;) > > > > I need a good tool to backup whole system on block level rather than file > > level and easy to use. I currently need to backup to an USB disc (50+ GB > > of data) a system and then reinstall i

Re: [CentOS] Centos 6 full backup software?

OpenVZ and am not a fan of it ;) ). Overall thanks for all help, I will use CloneZilla :) Have a nice day! R. 2014-07-16 22:54 GMT+02:00 Brian Miller : > On Wed, 2014-07-16 at 21:50 +0200, Rafał Radecki wrote: > > Hi All ;) > > > > I need a good tool to backup whole system

Re: [CentOS] Centos 6 full backup software?

Yes, rear sounds resonable ;) I will try it also, thanks. BR, Rafal. 2014-07-17 19:30 GMT+02:00 Les Mikesell : > On Thu, Jul 17, 2014 at 12:06 PM, Rafał Radecki > wrote: > > I need a block level backup because I need an easy to restore backup of > the > > whole

[CentOS] Mounting LUNs from a SAN array - LUN mappings to devices in /dev/ - are they static?

Hi All :) I am currently involved in a project in which there is a SAN array (Sun Storagetek 2540) which exports LUNs for some servers with Centos 5.2 x86. I will be performing a migration to Centos 5.9 x86_64 in some time and am gathering needed info now :) I am trying to find the place in the O

Re: [CentOS] Mounting LUNs from a SAN array - LUN mappings to devices in /dev/ - are they static?

The answer is: I was told to do so :) Corpo related stuff ;) R. 2014-10-04 18:25 GMT+02:00 Reindl Harald : > > Am 04.10.2014 um 18:22 schrieb Rafał Radecki: > >> As I said I need to perform migration of the OS to Centos 5.9 x86_64 and >> am >> curious where from

Re: [CentOS] Mounting LUNs from a SAN array - LUN mappings to devices in /dev/ - are they static?

Thanks Alexander, these links make the topic VERY clear :) Have a nice day :) BR, Rafal. 2014-10-04 18:49 GMT+02:00 Alexander Dalloz : > Am 04.10.2014 um 18:22 schrieb Rafał Radecki: > > [ ... ] > > In sysfs in /sys/bus/scsi/devices/7:0:0:8 I found: >> >> # ll bloc

[CentOS] Your experience with os hardening tool - Bastille?

Hi All:) I would like to start using a tool for automating of os hardening. I found some informations about Bastille. One things which attracted my attention is that in http://bastille-linux.sourceforge.net/news_updates.htm the last post is from January 29th, 2012 :D Is the tool ready to use at t

Re: [CentOS] Your experience with os hardening tool - Bastille?

ntly ;) It looks very promising... BR, Rafal On 18 October 2014 17:45, Rafał Radecki wrote: > > > Hi All:) > > > > I would like to start using a tool for automating of os hardening. I > found > > some informations about Bastille. One things which attracted my

[CentOS] CentOS 5 - problem with kernel/process: task blocked for more than 120 seconds.

Hi All. I have a server which hanged two times because we could not connect to the box, it was not responding. In /var/log/messages I saw: Apr 11 10:13:29 server kernel: INFO: task imap:5855 blocked for more than 120 seconds. Apr 11 10:13:29 server kernel: "echo 0 > /proc/sys/kernel/hung_task_tim

Re: [CentOS] CentOS 5 - problem with kernel/process: task blocked for more than 120 seconds.

The host is: Linux server 2.6.18-238.19.1.el5 #1 SMP Fri Jul 15 07:32:29 EDT 2011 i686 i686 i386 GNU/Linux CentOS release 5.6 (Final) dovecot 1.2.16 Best regards, R. W dniu 11 kwietnia 2012 11:48 użytkownik Rafał Radecki < radecki.ra...@gmail.com> napisał: > Hi All. > > I have

[CentOS] System hanged - no info in logs.

Hi All. I had today a problem with my mail server (2.6.18-274.12.1.el5 #1 SMP Tue Nov 29 13:37:35 EST 2011 i686 i686 i386 GNU/Linux, CentOS release 5.7 (Final)). On my Cacti graphs I see that there has been much I/O write on the disks and then there is no more info. Also in logs (messages, dmesg,

[CentOS] FSCK on mounted filesystem (LVM/DRBD)?

Hi All. I have two running servers (drbd primary, drbd secondary). When there is a problem with one of them we switch to the second one. Currently on the /dev/drbd0 (it has /xxx ext3 filesystem directly on it) we have some filesystem problems (after fsck -n). I would like to correct these errors b

Re: [CentOS] System hanged - no info in logs.

The system was not rebooted, it just was not responsive (ssh) and has a gap in logfiles for 15 minutes. After 15 minutes it started responding. Best regards, R. W dniu 12 kwietnia 2012 16:08 użytkownik Phil Schaffner < philip.r.schaff...@nasa.gov> napisał: > Rafał Radecki wrote on 04/1

[CentOS] XEN or KVM - performance/stability/security?

Hi all. I am currently building a small test cloud based on Eucalyptus 2.0.3 and CentOS 5.8 x64. I have a choice which hypervisor to use: KVM or XEN. KVM is the default in CentOS 6 but I have read also many good things (for example PV guest machines, isolation between Dom0 and DomU) about XEN. Ke

Re: [CentOS] XEN or KVM - performance/stability/security?

Why? 2012/4/20 Jonathan Vomacka > On 4/20/2012 8:59 AM, Rafał Radecki wrote: > > Hi all. > > > > I am currently building a small test cloud based on Eucalyptus 2.0.3 and > > CentOS 5.8 x64. I have a choice which hypervisor to use: KVM or XEN. > > KVM is the de

[CentOS] CentOS stresstest - what to use?

Hi all. I currently have a CentOS 5.8 x64 host. I have some info that it is "slow" for end users. I would like to use some tools to make tests of proc/memory/disks. Is there a program suite which you could recommend? Best regards, Rafal. ___ CentOS mail

[CentOS] Limiting network traffic from different IPs.

Hi all. I have a router with 5 network interfaces and sometimes there is so much traffic on one of them that the server load is very high. What are the options to limit the traffic per IP address on every interface? Which need least system (CPU, memory) resources? Thanks. Best regards, Rafal. __

[CentOS] Problem with ethernet card: r8169.

Hi all. I have two servers 2.6.18-308.4.1.el5PAE CentOS release 5.7 (Final) Both have two external gigabit network cards (installed Planet with Realtek r8169 chipset). lspci 04:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8169 Gigabit Ethernet (rev 10) 04:01.0 Ethernet controll

[CentOS] Ext3 and drbd read-only remount problem.

Hi all. I have two hosts with drbd: kmod-drbd83-8.3.8-1.el5.centos drbd83-8.3.8-1.el5.centos and kernel (CentOS 5.7): 2.6.18-308.4.1.el5 After a recent upgrade of kernel I have had two sitiuations when my ext3 filesystem on /dev/drbd0 became read-only. I've checked disks with smartctl -t long, th

Re: [CentOS] Ext3 and drbd read-only remount problem.

8.3.8 be installed if we are using drbd83-8.3.8-1.el5.centos ? Best regards, Rafal. 2012/5/6 Rafał Radecki > Hi all. > > I have two hosts with drbd: > kmod-drbd83-8.3.8-1.el5.centos > drbd83-8.3.8-1.el5.centos > and kernel (CentOS 5.7): > 2.6.18-308.4.1.el5 > > After

[CentOS] Disk geometry problem.

Hi all. I have a CentOS server: CentOS release 5.7 (Final) 2.6.18-274.3.1.el5 x86_64 I have two SSD disks attached: smartctl -i /dev/sdc smartctl version 5.38 [x86_64-redhat-linux-gnu] Copyright (C) 2002-8 Bruce Allen Home page is http://smartmontools.sourceforge.net/ === START OF INFORMATION SE

[CentOS] CentOS 6 bridging problem.

Hi all. I have currently an OpenVZ server: uname -a Linux vader8.superhost.pl 2.6.32-042stab055.16 #1 SMP Fri Jun 8 19:22:28 MSD 2012 x86_64 x86_64 x86_64 GNU/Linux cat /etc/redhat-release CentOS release 6.2 (Final) lspci | grep -i eth 01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd

Re: [CentOS] CentOS 6 bridging problem.

Messmer : > On 06/25/2012 05:22 AM, Rafał Radecki wrote: >> Do you see an error in my configuration? Why is 10.20.0.108 not available? > > Not immediately, but check the output of the 'ip' tools.  ifconfig and > route are deprecated: > > ip route show > ip addr

Re: [CentOS] CentOS 6 bridging problem.

tcpdump -n -i eth0.20 shows that there is no traffic when I try to ping 10.20.0.108. Best regards, R. 2012/6/26 Rafał Radecki : > ip route show > 192.168.2.0/24 dev vmbr0  proto kernel  scope link  src 192.168.2.203 > 193.218.152.0/24 dev vmbr0  proto kernel  scope link  src 193.21

Re: [CentOS] CentOS 6 bridging problem.

tcpdump -n -i eth0 icmp and src host 10.20.0.98 does not give any results when ping is invoked. 2012/6/26 John R Pierce : > On 06/26/12 12:47 AM, Rafał Radecki wrote: >> tcpdump -n -i eth0.20 >> shows that there is no traffic when I try to ping 10.20.0.108. > > try just tcp

[CentOS] Universal server hardware platform - which to choose?

Hi all. I am working for a hosting provider in Poland. We are currently searching for an universal, extensible hardware platform which we would like to use in our server infrastructure. The platform should have: - possibility to install up to 32GB of RAM and at least 4 slots for it; - at least 6 S

Re: [CentOS] CentOS 6 bridging problem.

Yes, it works well, no problems then. Best regards, Rafal, 2012/6/26 Gordon Messmer : > On 06/26/2012 08:51 AM, Gordon Messmer wrote: >> Are you absolutely sure that the switch port connected to eth0 is >> configured to deliver tagged packets for VLAN 20 (and that the ping >> source is also on th

[CentOS] Strange du/df behaviour.

Hi all. I have currently a server: cat /etc/redhat-release CentOS release 5.7 (Final) uname -a Linux host.domain.com 2.6.18-274.18.1.el5 #1 SMP Thu Feb 9 12:45:44 EST 2012 x86_64 x86_64 x86_64 GNU/Linux I have there a filesystem mounted: /dev/vg0/paczki /home/paczki-workdir ext4 def

Re: [CentOS] Strange du/df behaviour.

Update: Any clues why df shows wrong and floating info? 2012/6/28 Rafał Radecki : > Hi all. > > I have currently a server: > cat /etc/redhat-release > CentOS release 5.7 (Final) > uname -a > Linux host.domain.com 2.6.18-274.18.1.el5 #1 SMP Thu Feb 9 12:45:44 > EST 2012

[CentOS] Good tool to draw server room?

Hi all. I am currently designing a server room. I would like to be able to draw a 2D (in the future 3D) project. Do you know any tools? Which one can you recommend? Best regards, Rafal Radecki. ___ CentOS mailing list CentOS@centos.org http://lists.cent

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