Hi All.
I am currently running docker 1.13 on Centos 7 boxes with devicemapper
storage plugin.
I would like to know what are your experiences in regard to:
- storage plugins
- kernel versions
- stability
I consider upgrade to docker 17.03.1 and would like to choose most stable
combination of
Hi All.
I am currently searching for a decent image/container/registry scanner. I
would like to be able to check images for CVE, at the moment I am using
rhel/centos/ubuntu/debian based images.
I tried on CentOS7:
- openscap (oscap-docker): needs atomic for installation, allows scanning
of rhel
Hi All.
I currently have a problem with proper invocation of a python script with
cron.
non-root $ crontab -l
#Ansible: script_repo_scanner
55 11 * * * /usr/bin/python /path/script_repo_scanner.py --bb_user bb_user
--bb_pass bb_pass --bd_log_dir /path/logs &>
/path/script_repo_scanner.py.log
p 6, 2016, at 6:18 AM, Rafał Radecki <radecki.ra...@gmail.com>
> wrote:
> >
> > # sudo -H -E -u postgres /bin/bash -c /usr/bin/python2.7
>
>
> Works for me. *shrug*
>
> Is your postgres user a service account or something else strange about it?
Hi All.
I am trying to install some software. Part of its installation is an
invocation of command similar to:
# sudo -H -E -u postgres /bin/bash -c /usr/bin/python2.7
/bin/bash: /usr/bin/python2.7: Permission denied
>From my perspective:
# ls -l /bin/bash /usr/bin/python2.7
-rwxr-xr-x. 1 root
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:
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
GMT+02:00 Yamaban <foers...@lisas.de>:
> On Wed, 21 Oct 2015 10:20, Rafał Radecki <radecki.rafal@...> wrote:
>
> Hi All :)
>>
>> I have three servers, all with centos 7 installed 3 days ago. I need on
>> them "old" naming scheme (ethX) for
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
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
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.
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:)
BR,
Rafal.
2015-04-08 18:15 GMT+02:00 Jonathan Billings billi...@negate.org:
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 --security
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
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`
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
;) It looks very promising...
BR,
Rafal
On 18 October 2014 17:45, Rafał Radecki radecki.ra...@gmail.com 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 attention
is that in http
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
The answer is: I was told to do so :) Corpo related stuff ;)
R.
2014-10-04 18:25 GMT+02:00 Reindl Harald h.rei...@thelounge.net:
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 does the mapping
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 ad+li...@uni-x.org:
Am 04.10.2014 um 18:22 schrieb Rafał Radecki:
[ ... ]
In sysfs in /sys/bus/scsi/devices/7:0:0:8 I found:
# ll block\:sdj
lrwxrwxrwx 1
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);
-07-16 22:37 GMT+02:00 m.r...@5-cent.us:
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 it. In the future if needed I
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 cen...@fullnote.com:
On Wed, 2014-07-16 at 21:50 +0200, Rafał Radecki wrote:
Hi All ;)
I need a good tool to backup whole system on block
Yes, rear sounds resonable ;) I will try it also, thanks.
BR,
Rafal.
2014-07-17 19:30 GMT+02:00 Les Mikesell lesmikes...@gmail.com:
On Thu, Jul 17, 2014 at 12:06 PM, Rafał Radecki radecki.ra...@gmail.com
wrote:
I need a block level backup because I need an easy to restore backup
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,
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.
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, 2014 03:47 AM, Rafał Radecki wrote:
As far as I know raid10 is ~ a raid0 built on top of two raid1 (
http://en.wikipedia.org/wiki/Nested_RAID_levels#RAID_1.2B0 - raid10).
So I
think that by default in my case:
No, Linux md raid10 is NOT a nested raid setup where you build a raid0
on top
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 :
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
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
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
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
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 mailli...@conactive.com
Andrew Holway wrote on Sat, 11 Jan 2014
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 pie...@hogranch.com
On 1/11/2014 6:41 AM, Rafał Radecki wrote
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
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
In GB, the paid license is an option ;)
2013/11/18 ign...@vault13.lt 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, application servers and databases
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
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
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-6arch=$basearch
Hi All.
I currently have a problem on my backup server with very large number of
small files in a large number of directories. I would like to delete them
as fast as possible. Currently I use:
rsync -a --delete /empty_directory/ dir_to_clean/
I've read that rsync will be faster than rm or find.
Hi All.
I have currently a small problem to solve. I have a kvm virtual machine
which in output of
ifconfig eth0 | egrep 'RX packets|TX packets'
RX packets:792681304 errors:0 dropped:560728 overruns:0 frame:0
TX packets:716661674 errors:0 dropped:0 overruns:0 carrier:0
show
Hi All.
In curl manual:
--ciphers - (SSL) Specifies which ciphers to use in the connection. The
list of ciphers must specify valid ciphers. Read up on SSL cipher list
details on this URL:http://www.openssl.org/docs/apps/ciphers.html;
In openssl:
Hi All.
# cat /etc/redhat-release
CentOS release 6.2 (Final)
# uname -r
2.6.32-220.17.1.el6.centos.plus.x86_64
# rpm -qa | grep solr
apache-solr-3.5.0-1.5...
I have a solr installation which is invoked:
/usr/bin/java -Xms25g -Xmx25g -DSTOP.PORT=8079 -DSTOP.KEY=mustard
Why 25G x2 - -Xms minimal, -Xmx maximal?
2013/7/4 Tru Huynh t...@centos.org
On Thu, Jul 04, 2013 at 09:54:49AM +0200, Rafał Radecki wrote:
Hi All.
# cat /etc/redhat-release
CentOS release 6.2 (Final)
you should upgrade to 6.4...
...
I have a solr installation which is invoked
=$?
sleep 2
echo
[ $RETVAL -eq 0 ] rm -f /var/lock/subsys/solr
return $RETVAL
}
2013/7/4 Rafał Radecki radecki.ra...@gmail.com
Why 25G x2 - -Xms minimal, -Xmx maximal?
2013/7/4 Tru Huynh t...@centos.org
On Thu, Jul 04, 2013 at 09:54:49AM +0200, Rafał
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
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.
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
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
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
No, the php scripts are executed from crontab.
2013/3/22 Leon Fauster leonfaus...@googlemail.com:
Am 22.03.2013 um 15:37 schrieb Rafał Radecki radecki.ra...@gmail.com:
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
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
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 pie...@hogranch.com:
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 why
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.
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Project requirements. I've mentioned that drbd would be appropriate but... ;)
2013/2/24 Ian Forde ianfo...@gmail.com:
Why not use DRBD in lieu of shared storage?
On Wed, Feb 20, 2013 at 2:52 AM, Leon Fauster
leonfaus...@googlemail.comwrote:
Am 20.02.2013 um 11:29 schrieb Rafał Radecki
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
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
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
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
Correction: I use this repo for hardware updates:
http://linux.dell.com/wiki/index.php/Repository/firmware
2013/2/6 Rafał Radecki radecki.ra...@gmail.com:
Hi All.
I am using dell firmware repository
(http://linux.dell.com/wiki/index.php/Repository/OMSA). To update all
firmware on my Dell
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
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:
Thanks for the tip, it works now :)
Best regards,
Rafal.
2012/11/21 Marcin Lage marcin.l...@gmail.com
I'm not sure, but in UDP { . Interface some -interface }
2012/11/21 Rafał Radecki radecki.ra...@gmail.com
Hi all.
I currently try to start conntrackd to test it.
CentOS
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:
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.
___
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CentOS@centos.org
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
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
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 radecki.ra...@gmail.com
Hi all.
I am thinking about installing memcached with replication, I've found
http://sourceforge.net/projects/repcached/files
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.
___
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Hi All.
I have a CentOS server:
CentOS 5.6 x86_64
2.6.18-238.12.1.el5.centos.plus
e4fsprogs-1.41.12-2.el5.x86_64
which has a 11TB ext4 filesystem. I have problems with running fsck on it
and would like to change the filesystem because I do not like the
possibility of running long fsck on it,
After some search I think I will use ntop ;)
Thanks for all help.
Best regards,
Rafał.
2012/8/28 Lamar Owen lo...@pari.edu
On Tuesday, August 28, 2012 02:35:25 AM Rafał Radecki wrote:
Hi all.
I have currently a task to implement a network traffic analyzer. Some
years
ago I've used
Hi all.
I have currently a task to implement a network traffic analyzer. Some years
ago I've used NTOP for that purpose, I would also like to test some
alternatives.
Which alternatives can you recommend and why?
Thanks ;)
Best regards,
Rafał Radecki
: 172.16.1.6
But also a line
Wed Aug 22 13:38:07 2012 us=418282 client/1.2.3.4:44638 Connection reset,
restarting [0]
I have no firewall on my client host.
Any suggestions?
Best regards,
Rafał.
2012/8/21 Leon Fauster leonfaus...@googlemail.com
Am 21.08.2012 um 16:27 schrieb Rafał Radecki:
When I start
Hi all.
I have an OpenVPN server:
2.2.1-1 x86_64
Server config:
port 11223
dev tap
proto udp
tls-server
ca keys/ca.crt
cert keys/server.crt
key keys/server.key
dh keys/dh1024.pem
server 1.2.3.3 255.255.255.0
push route 192.168.0.0 255.255.255.0 1.2.3.4
keepalive 10 60
client-to-client
The setup works well for different kernel. So it is not a problem with
the configuration ;)
Thanks for all help.
Best regards,
R.
2012/7/4 Gordon Messmer yiny...@eburg.com:
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
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
Update:
Any clues why df shows wrong and floating info?
2012/6/28 Rafał Radecki radecki.ra...@gmail.com:
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
Yes, it works well, no problems then.
Best regards,
Rafal,
2012/6/26 Gordon Messmer yiny...@eburg.com:
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
10.20.255.255 scope global vmbr20
inet6 fe80::225:22ff:fe0d:c22a/64 scope link
valid_lft forever preferred_lft forever
Any clue?
Best regards,
Rafal Radecki.
2012/6/25 Gordon Messmer yiny...@eburg.com:
On 06/25/2012 05:22 AM, Rafał Radecki wrote:
Do you see an error in my configuration
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 radecki.ra...@gmail.com:
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
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 pie...@hogranch.com:
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 tcpdump -n -i
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
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.,
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
Hi all.
I am currently testing Eucalyptus. I have two servers, one of them has CLC,
Walrus, CC and NC, the second only NC.
When I make a new Xen VM (from kernel, initrd, filesystem image) then it is
placed on one of the nodes with NC. I would like to test VM fail-over. When
on one node the VM is
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,
8.3.8 be installed if we are
using drbd83-8.3.8-1.el5.centos ?
Best regards,
Rafal.
2012/5/6 Rafał Radecki radecki.ra...@gmail.com
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
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.
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
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
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.
Why?
2012/4/20 Jonathan Vomacka juvi...@gmail.com
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 default in CentOS 6 but I have
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,
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
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 04/12/2012 03:07
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
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 a server which hanged
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
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
Sorry, mail was mentioned for polish centos list.
Best regards,
Rafał.
W dniu 13 stycznia 2012 21:55 użytkownik fakessh fake...@fakessh.eu napisał:
use the tool googletranslate
is well for that
cheers
Le 2012-01-13 20:43, Diego Sanchez a écrit :
Rafał Radecki :
Please, write in english
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