Re: [CentOS] sshd: Authentication Failures: 137 Time(s)

2011-04-04 Thread henry ritzlmayr
Am Montag, den 04.04.2011, 15:07 +0200 schrieb Rainer Traut: > Am 04.04.2011 12:34, schrieb Marian Marinov: > >> How is it possible for an attacker to try to logon more then 4 times? > >> Can the attacker do this with only one TCP/IP connection without > >> establishing a new one? > >> Or have the

Re: [CentOS] sshd: Authentication Failures: 137 Time(s)

2011-04-04 Thread henry ritzlmayr
Am Montag, den 04.04.2011, 16:04 +0200 schrieb David Sommerseth: > On 04/04/11 15:35, henry ritzlmayr wrote: > > Am Montag, den 04.04.2011, 15:07 +0200 schrieb Rainer Traut: > >> Am 04.04.2011 12:34, schrieb Marian Marinov: > >>>> How is it possible for an att

[CentOS] eth1 changed to __tmp78668633 in recent kernels

2008-05-15 Thread henry ritzlmayr
Hi list, kernel-xen-2.6.18-53.1.14.el5 and kernel-xen-2.6.18-53.1.19.el5 do not detect/initialize/whatever my eth1 network card any more. With kernel-xen-2.6.18-53.1.13.el5 everything is working as expected. With the two recent kernels I only get an Interface named __tmp786686833 which is

[CentOS] Re: eth1 changed to __tmp78668633 in recent kernels

2008-05-15 Thread henry ritzlmayr
Am Donnerstag, den 15.05.2008, 14:06 +0200 schrieb henry ritzlmayr: > Hi list, > > kernel-xen-2.6.18-53.1.14.el5 and > kernel-xen-2.6.18-53.1.19.el5 > do not detect/initialize/whatever my eth1 network card any more. > > With > kernel-xen-2.6.18-53.1.13.el5 &g

[CentOS] Re: Not seeing all memory in CentOS 5.1 x86_64

2008-06-11 Thread henry ritzlmayr
Am Dienstag, den 10.06.2008, 22:54 -0700 schrieb John R Pierce: > Ruslan Sivak wrote: > > John R Pierce wrote: > >> > >> whats cat /proc/meminfo say? > >> > > # cat /proc/meminfo > > MemTotal: 6104064 kB > > ... > > HighTotal: 0 kB > > HighFree:0 kB > > LowTotal: 6

[CentOS] Re: Re: Not seeing all memory in CentOS 5.1 x86_64

2008-06-11 Thread Henry Ritzlmayr
Am Mittwoch, den 11.06.2008, 11:36 -0400 schrieb Ruslan Sivak: > Tim Verhoeven wrote: > > On Wed, Jun 11, 2008 at 4:46 PM, Ruslan Sivak <[EMAIL PROTECTED]> wrote: > > > >> While it seems to make sense (and both xentop and virsh nodeinfo) show the > >> right amount of memory, even when I shut dow

[CentOS] Re: Re: Not seeing all memory in CentOS 5.1 x86_64

2008-06-11 Thread henry ritzlmayr
Am Mittwoch, den 11.06.2008, 10:06 -0700 schrieb MHR: > On Wed, Jun 11, 2008 at 8:36 AM, Ruslan Sivak <[EMAIL PROTECTED]> wrote: > > > > I guess it has something to do with the ballooning driver for Dom0. It > > looks like I just tried to allocation too much memory to DomU and the box > > went dow

[CentOS] Re: apt on Centos 5.1

2008-06-18 Thread henry ritzlmayr
Am Dienstag, den 17.06.2008, 16:28 -0600 schrieb Stephen John Smoogen: > On Tue, Jun 17, 2008 at 3:30 PM, Benjamin Smith > <[EMAIL PROTECTED]> wrote: > > On Tuesday 17 June 2008, Mike wrote: > >> Just read on planet centos that you can easily install apt on Centos too > >> using yum. > > > > Why wo

[CentOS] Slow HVM IO performance with newer kernels

2008-07-10 Thread henry ritzlmayr
Hi list. I am testing CentOS 5.2 now. I experience much slower IO under HVM Guests with the newer kernels, so I started some measurements. DOM-0 is a fully upgraded CentOS 5.2. DOM-U is CentOS 5.0 not upgraded at all for testing purposes. DOM-U sits on an LVM Volume. No other services are running

[CentOS] Dovecot under brute force attack - nice attacker

2009-06-02 Thread henry ritzlmayr
Hi List, optimizing the configuration on one of our servers (which was hit by a brute force attack on dovecot) showed an odd behavior. The short story: On one of our servers an attacker did a brute force attack on dovecot (pop3). Since the attacker closed and reopened the connection after ev

Re: [CentOS] Dovecot under brute force attack - nice attacker

2009-06-03 Thread Henry Ritzlmayr
Am Dienstag, den 02.06.2009, 17:31 +0200 schrieb Kai Schaetzl: > Henry ritzlmayr wrote on Tue, 02 Jun 2009 14:51:23 +0200: > > > ->Only the last try gets logged. > > can't reproduce this. The following was done in one connection to > localhost. > > Jun 2

Re: [CentOS] Dovecot under brute force attack - nice attacker

2009-06-03 Thread Henry Ritzlmayr
Am Dienstag, den 02.06.2009, 14:13 -0700 schrieb Scott Silva: > on 6-2-2009 5:51 AM henry ritzlmayr spake the following: > > Hi List, > > > > optimizing the configuration on one of our servers (which was > > hit by a brute force attack on dovecot) showed an odd be

Re: [CentOS] Dovecot under brute force attack - nice attacker

2009-06-04 Thread Henry Ritzlmayr
Am Donnerstag, den 04.06.2009, 10:31 +0200 schrieb Kai Schaetzl: > Henry Ritzlmayr wrote on Thu, 04 Jun 2009 08:21:04 +0200: > > > the logs you are referring to are only produced if you enable > > > > auth_verbose = yes > > > > right? > > That's

Re: [CentOS] OpenOffice.org 3.1.1 Calc autofill does not work

2010-08-11 Thread henry ritzlmayr
Am Mittwoch, den 11.08.2010, 15:33 +0800 schrieb Nicholas: > Hi all, > > > Has anyone upgraded OpenOffice.org 3.1.1 on Centos 5.3? > > > Everything seemed fine but I have found 1 problem on Calc. The autofill > does not work. Example, when I type "Jan" in cell A5 and drag the handle > to cell

[CentOS] Logwatch doesn´t report on dovecot

2008-08-27 Thread henry ritzlmayr
Hi List, Centos 5(.2) ships with dovecot-1.0.7-2.el5 and logwatch-7.3-6.el5 However the shipped logwatch is not aware of dovecot 1.x meaning none of the log entries (var/log/maillog) are processed at all. Should I file a bug report on this? Upstream? cheers Henry

[CentOS] Re: Logwatch doesn´t report on dovecot

2008-08-27 Thread henry ritzlmayr
Am Mittwoch, den 27.08.2008, 11:03 +0200 schrieb Ralph Angenendt: > henry ritzlmayr wrote: > > Hi List, > > > > Centos 5(.2) ships with dovecot-1.0.7-2.el5 and logwatch-7.3-6.el5 > > > > However the shipped logwatch is not aware of dovecot 1.x meaning none of >

[CentOS] scp partition "not a regular file"

2008-09-29 Thread henry ritzlmayr
Hi list, should it be possible to scp a partition with this command: scp /dev/sda7 backupserver:/backup/sda7.img I always get "not a regular file" - which is a clear and understandable error, but my googling tells me that some people are doing this - and it seems to work - at least at their sys

[CentOS] Re: scp partition "not a regular file"

2008-09-29 Thread henry ritzlmayr
Am Montag, den 29.09.2008, 09:27 -0700 schrieb nate: > henry ritzlmayr wrote: > > Hi list, > > > > should it be possible to scp a partition with this command: > > > > scp /dev/sda7 backupserver:/backup/sda7.img > > /dev/sda7 is just a file, if you co

[CentOS] Re: Re: scp partition "not a regular file"

2008-09-29 Thread henry ritzlmayr
Am Montag, den 29.09.2008, 13:48 -0700 schrieb nate: > henry ritzlmayr wrote: > > http://sammoffatt.com.au/knowledge-base-mainmenu/6-daily-linux/9-scp-and-ssh > > > > Describes exactly this procedure - which looks like it works there. > > hmm strange. I wouldn'

[CentOS] Re: scp partition "not a regular file"

2008-09-29 Thread henry ritzlmayr
Am Dienstag, den 30.09.2008, 06:25 +0530 schrieb partha chowdhury: > henry ritzlmayr wrote: > > Hi list, > > > > should it be possible to scp a partition with this command: > > > > scp /dev/sda7 backupserver:/backup/sda7.img > > > > I always ge

[CentOS] options netloop nloopbacks= ignored

2009-04-21 Thread henry ritzlmayr
Hi list, since release 5.3 all kernels ignore options netloop nloopbacks= within /etc/modprobe.conf If is smaller than four there are always four vifs created. If is bigger than four the appropriate number of vifs are created. Is this expected/new/feature/bug? Henry __

Re: [CentOS] options netloop nloopbacks= ignored

2009-04-21 Thread henry ritzlmayr
Am Dienstag, den 21.04.2009, 17:29 +0200 schrieb henry ritzlmayr: > Hi list, > > since release 5.3 all kernels ignore > > options netloop nloopbacks= > > within /etc/modprobe.conf > > If is smaller than four there are always four > vifs created. > If is

Re: [CentOS] unattended fsck on reboot

2010-02-18 Thread Henry Ritzlmayr
> > > I don't bother changing the setting for local disks as it is > usually > pretty quick to scan them. You must have a pretty big and/or > slow > file system for fsck to take 2+ hours. > > nate > > >

Re: [CentOS] Success moving Xen LVMs from 32 to 64bit host

2010-03-01 Thread henry ritzlmayr
> Next, we copied the /etc/xen/xm_c32_001 configuration file to the > replacement server. We generated a new UUID using the "uuidgen" > utility. We also created a new MAC address. Finally, we started the > instance: Since you moved your virtual machine, you wouldn´t have to create a new UUID and