Re: [CentOS] Centos 5.2 ,5.3 and GFS2

[Fabian Arrotin]

FM wrote:
> Hello,
> I will create a Xen cluster and using GFS2 (with conga, ...) to create  
> a new Xen cluster.
> I know that GFS2 is prod ready since RHEL 5.3.
> 
> Do you know whent Centos 5.3 will be ready ?
> Can I install my GFS2 FS with centos 5.2 and then "simply" upgrade to 
> 5.3 without reinstallation ?
> 
> Tx
>

No, you'll have manual intervention because now in 5.3 gfs2 module is 
included by default in the 2.6.18-128.el5 kernel and isn't a external 
rpm to install.

-- 
--
Fabian Arrotin
  idea=`grep -i clue /dev/brain`
  test -z "$idea" && echo "sorry, init 6 in progress" || sh ./answer.sh
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[CentOS] How to configure Xmanager to CentOS?

[madunix]

Can any help in this issue, it would be really appreciated.
I did the following, but it didnt help
For XDMCP connection to Red Hat 5 EL
1. XDM Configuration
1. Change runlevel to 5

Open/etc/inittab and set the initial runlevel to 5 as following:
id:5:initdefault:

2. Enable XDMCP

 For GDM:

Open /etc/gdm/custom.conf and set the Enable entry to 1 in the [xdmcp]
section as following.
[xdmcp]
Enable=1

 For KDM:

Open /usr/share/config/kdm/Xaccess and remove the initial "#"
character for the following line:
#* #any host can get a login window ==>
* #any host can get a login window
Open /usr/share/config/kdm/kdmrc and set the Enable entry to true in
the [xdmcp] section as following.
[xdmcp]
Enable=true

2. Firewall (TCP/UDP Ports) Configuration
Open UDP port 177 from the PC to the remote host direction.
Open incoming TCP ports 6000~6010 from the remote host to your PC.
3. Reboot the remote host and start Xmanager
# init 3; init 5
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Re: [CentOS] Centos 5.2 ,5.3 and GFS2

[Ralph Angenendt]

Fabian Arrotin wrote:
> FM wrote:
> > Do you know whent Centos 5.3 will be ready ?
> > Can I install my GFS2 FS with centos 5.2 and then "simply" upgrade to 
> > 5.3 without reinstallation ?
> 
> No, you'll have manual intervention because now in 5.3 gfs2 module is 
> included by default in the 2.6.18-128.el5 kernel and isn't a external 
> rpm to install.

I had a file system loss yesterday with gfs2, so have fun with that module.

I have an iscsi target which is reachable via two paths, and every time I 
took away one of the two paths, gfs2 panicked on me:

Mar 20 16:31:08 kavring iscsid: connection2:0 is operational after recovery (44 
attempts)
Mar 20 16:31:12 kavring multipathd: sdb: readsector0 checker reports path is 
down 
Mar 20 16:31:27 kavring last message repeated 3 times
Mar 20 16:31:32 kavring kernel: GFS2: fsid=on3-ruby-app:htmldata.0: fatal: 
invalid metadata block
Mar 20 16:31:32 kavring kernel: GFS2: fsid=on3-ruby-app:htmldata.0:   bh = 
132517 (magic number)
Mar 20 16:31:32 kavring kernel: GFS2: fsid=on3-ruby-app:htmldata.0:   function 
= gfs2_meta_indirect_buffer, file = fs/gfs2/meta_io.c, line = 334
Mar 20 16:31:32 kavring kernel: GFS2: fsid=on3-ruby-app:htmldata.0: about to 
withdraw this file system
Mar 20 16:31:32 kavring kernel: GFS2: fsid=on3-ruby-app:htmldata.0: telling LM 
to withdraw
Mar 20 16:31:32 kavring multipathd: sdb: readsector0 checker reports path is 
down 
Mar 20 16:31:33 kavring kernel: GFS2: fsid=on3-ruby-app:htmldata.0: withdrawn

After that you need to gfs2_fsck the system. With gfs it works as designed, 
I can reach the target via the other path and the file system stays online 
*and* uncorrupted.

If you get different results, I'd be interested to know.

Ralph

pgp3T38VTt9pY.pgp
Description: PGP signature
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[CentOS] fetchmail SSL protoco; issue

[Louis Lagendijk]

I am using fetchmail to collect mail from some secondary mail accounts,
among which is hotmail.
So far I have used hotwayd to fetch the mail from hotmail using
httpmail. Hotmail now supports pop3 access, so I decided to change
fetchnail to fetch the mail directly over pop3.

This works, but whatever I try, I get an error message when I run
fetchmail:

Invalid SSL protocol 'SSLv23' specified, using default (SSLv23).
Invalid SSL protocol '' specified, using default (SSLv23).

The relevant part of my .fetchmailrc is included below (userids and
password changed for privacy reasons :-)

poll pop3.live.com port 995 proto pop3
user xx...@hotmail.com password yy no keep ssl sslproto ssl23
fetchall to myuserid

The error message remains almost the same when I remove the sslproto
option, only the second line is printed

My mail is correctly fetched however. 
For gmail I use the same setup, but do not get any errors there.
Anybody got this working WITHOUT error messages? What am I doing wrong?

Louis

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Re: [CentOS] OT: centos.org web site not responding

[Lanny Marcus]

On Sat, Mar 21, 2009 at 1:04 AM, JohnS  wrote:
> On Fri, 2009-03-20 at 23:57 -0500, Lanny Marcus wrote:

> Question for you Lanny.
> Do you have any ones computer you can use beside yours in the same place
> (town and country) that you live?
> If so try to access the sight with it.
> Make sure it's on the same Internet Network as yours, just to rule out
> your equipment.
> Do this before going any farther.

John: After they leave today, I will try it on my wife's and daughters
boxes, but they are on the same LAN here in the "office". Probably
there are Internet Cafes in town that use the same ISP that we use at
home. Note: 2 minutes ago, I was able to load the Home page of
centos.org and also got into the Wiki.Lanny
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Re: [CentOS] OT: centos.org web site not responding

[Lanny Marcus]

On Fri, Mar 20, 2009 at 11:12 PM, John R Pierce  wrote:

> $ telnet www.centos.org www
> Trying 72.232.194.162...
> Connected to www.centos.org (72.232.194.162).
> Escape character is '^]'.
> HEAD / HTTP/1.1
> Host: www.centos.org
>
> HTTP/1.1 200 OK
> Date: Sat, 21 Mar 2009 04:08:16 GMT
> Server: Apache/2.0.52 (CentOS)
> X-Powered-By: PHP/4.3.9
> Set-Cookie: PHPSESSID=d329988a9d984ee4bbe2e1e2f12d2aa0; path=/
> Expires: Mon, 26 Jul 1997 05:00:00 GMT
> Cache-Control: private, no-cache
> Pragma: no-cache
> Connection: close
> Content-Type: text/html; charset=ISO-8859-1
>
> Connection closed by foreign host.
>
> note i had to send THREE lines...     I used the HEAD command rather
> than GET so I don't have to stare at a bunch of html.
>
>    HEAD / HTTP/1.1
>    Host: www.centos.org
>
> (and a blank line to terminate the request)

Last night, I reported that I was unable to get that to work on
centos.org   There was *no* response;  but that it did work with my 2
web sites on servers in different DCs in CT. Last night, I could not
load centos.org in my web browser.

At this time, I can load centos.org in my browser, without problems.
Below are the results of 3 tests. Lanny


Test #1;

[la...@dell2400 ~]$ telnet www.centos.org www
Trying 72.232.194.162...
Connected to www.centos.org (72.232.194.162).
Escape character is '^]'.
HEAD / HEAD/1.1
Host: www.centos.org
HTTP/1.1 400 Bad Request
Date: Sat, 21 Mar 2009 16:55:40 GMT
Server: Apache/2.0.52 (CentOS)
Connection: close
Content-Type: text/html; charset=iso-8859-1

Connection closed by foreign host.
[la...@dell2400 ~]$

Test #2:

Connection closed by foreign host.
[la...@dell2400 ~]$ telnet www.centos.org www
Trying 72.232.194.162...
Connected to www.centos.org (72.232.194.162).
Escape character is '^]'.
HEAD / HEAD/1.1
Host: www.centos.org

HTTP/1.1 200 OK
Date: Sat, 21 Mar 2009 17:09:23 GMT
Server: Apache/2.0.52 (CentOS)
X-Powered-By: PHP/4.3.9
Set-Cookie: PHPSESSID=93d50631f0343ff6e881c51badbba880; path=/
Expires: Mon, 26 Jul 1997 05:00:00 GMT
Cache-Control: private, no-cache
Pragma: no-cache
Connection: close
Content-Type: text/html; charset=ISO-8859-1

Connection closed by foreign host.
[la...@dell2400 ~]$

Test #3

When I run the command "mtr -c 10 -r centos.org" I continue to see the
line which includes "???" and "100% loss" within the Layered Tech DC
in Dallas. I don't know what if anything that indicates. At the time
of the below test, I can load centos.org into my browser, without
problems.

pod22c_ae.layeredtech.com 0.0% 120.8 136.4 118.6 201.5  26.3
???  100.0   0.0   0.0   0.0   0.0   0.0
162.194.232.72.static.reverse.ltdomains.com  10.0% 148.6 133.1 119.7 161.0  18.0
[r...@dell2400 ~]#
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[CentOS] How to add ClamAV to Postfix?

[Xn Nooby]

I sent this email to the Rehdat list, but I thought the Centos users
might be more inclined to have the command-line solution I am looking
for, so I thought I would post it here too:

I would like to add anti-virus to my email server. Currently I have
Postfix, Dovecot, PHP, and Squirrelmail installed.  The users only use
Squirrelmail to access mail. I am looking for command-line
instructions, since I have limited access to the server itself (I am
using SSH). ClamAV seems to be most common linux AV package, so I
assume I should be using that.

I'm not sure if I should be using Amavisd or MailScanner, or neither.
I believe I need one of them to act as the glue that connects Postfix
to ClamAV. Apparently none of these packages
(Amavisd/MailScanner/ClamAV) are part of RHEL5, so I have to get the
RPMS from somewhere else.

Is there some standard way of adding AV to Postfix?
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Re: [CentOS] How to add ClamAV to Postfix?

[Bill Campbell]

On Sat, Mar 21, 2009, Xn Nooby wrote:
>I sent this email to the Rehdat list, but I thought the Centos users
>might be more inclined to have the command-line solution I am looking
>for, so I thought I would post it here too:
>
>I would like to add anti-virus to my email server. Currently I have
>Postfix, Dovecot, PHP, and Squirrelmail installed.  The users only use
>Squirrelmail to access mail. I am looking for command-line
>instructions, since I have limited access to the server itself (I am
>using SSH). ClamAV seems to be most common linux AV package, so I
>assume I should be using that.
>
>I'm not sure if I should be using Amavisd or MailScanner, or neither.
>I believe I need one of them to act as the glue that connects Postfix
>to ClamAV. Apparently none of these packages
>(Amavisd/MailScanner/ClamAV) are part of RHEL5, so I have to get the
>RPMS from somewhere else.

We use amavisd-new with clamav.

>Is there some standard way of adding AV to Postfix?

This is well documented at http://www.postfix.org/

Bill
-- 
INTERNET:   b...@celestial.com  Bill Campbell; Celestial Software LLC
URL: http://www.celestial.com/  PO Box 820; 6641 E. Mercer Way
Voice:  (206) 236-1676  Mercer Island, WA 98040-0820
Fax:(206) 232-9186

"The most foolish mistake we could possibly make would be to allow the
subject races to possess arms.  History shows that all conquerors who have
allowed the subject races to carry arms have prepared their own downfall by
so doing. Indeed, I would go so far as to say that the supply of arms to
the underdogs is a sine qua non for the overthrow of any sovereignty." --
Adolf Hitler (H.R. Trevor-Roper, Hitler's Table Talks 1941-1944)
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Re: [CentOS] How to add ClamAV to Postfix?

[Xn Nooby]

On Sat, Mar 21, 2009 at 1:40 PM, Bill Campbell  wrote:
> On Sat, Mar 21, 2009, Xn Nooby wrote:
>>I sent this email to the Rehdat list, but I thought the Centos users
>>might be more inclined to have the command-line solution I am looking
>>for, so I thought I would post it here too:
>>
>>I would like to add anti-virus to my email server. Currently I have
>>Postfix, Dovecot, PHP, and Squirrelmail installed.  The users only use
>>Squirrelmail to access mail. I am looking for command-line
>>instructions, since I have limited access to the server itself (I am
>>using SSH). ClamAV seems to be most common linux AV package, so I
>>assume I should be using that.
>>
>>I'm not sure if I should be using Amavisd or MailScanner, or neither.
>>I believe I need one of them to act as the glue that connects Postfix
>>to ClamAV. Apparently none of these packages
>>(Amavisd/MailScanner/ClamAV) are part of RHEL5, so I have to get the
>>RPMS from somewhere else.
>
> We use amavisd-new with clamav.
>
>>Is there some standard way of adding AV to Postfix?
>
> This is well documented at http://www.postfix.org/
>
> Bill
> --
> INTERNET:   b...@celestial.com  Bill Campbell; Celestial Software LLC
> URL: http://www.celestial.com/  PO Box 820; 6641 E. Mercer Way
> Voice:          (206) 236-1676  Mercer Island, WA 98040-0820
> Fax:            (206) 232-9186
>
> "The most foolish mistake we could possibly make would be to allow the
> subject races to possess arms.  History shows that all conquerors who have
> allowed the subject races to carry arms have prepared their own downfall by
> so doing. Indeed, I would go so far as to say that the supply of arms to
> the underdogs is a sine qua non for the overthrow of any sovereignty." --
> Adolf Hitler (H.R. Trevor-Roper, Hitler's Table Talks 1941-1944)
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>

Hi Bill,

I think the only ClamAV link on the Postfix site ultimately resolves to here:

http://www.postfixvirtual.net

Are these instructions you are referring to?

I can try those instrutions, but I had been scared off by the authors
initial disclaimer:

"Dear Reader, this howto hasn't been updated since 2006 and has some
parts which are missing. You may end up installing a non-working
postfix but I believe it can help you to guide through the
installation steps if you know what you are doing:)"

Or perhaps there was another link from postfix.org?
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Re: [CentOS] How to add ClamAV to Postfix?

[Craig White]

On Sat, 2009-03-21 at 13:37 -0400, Xn Nooby wrote:
> I sent this email to the Rehdat list, but I thought the Centos users
> might be more inclined to have the command-line solution I am looking
> for, so I thought I would post it here too:
> 
> I would like to add anti-virus to my email server. Currently I have
> Postfix, Dovecot, PHP, and Squirrelmail installed.  The users only use
> Squirrelmail to access mail. I am looking for command-line
> instructions, since I have limited access to the server itself (I am
> using SSH). ClamAV seems to be most common linux AV package, so I
> assume I should be using that.
> 
> I'm not sure if I should be using Amavisd or MailScanner, or neither.
> I believe I need one of them to act as the glue that connects Postfix
> to ClamAV. Apparently none of these packages
> (Amavisd/MailScanner/ClamAV) are part of RHEL5, so I have to get the
> RPMS from somewhere else.
> 
> Is there some standard way of adding AV to Postfix?

clearly the best way is to add a wrapper program like amavisd-new or
MailScanner which handles spamassassin and which ever combination of
anti-virus programs you use.

The postfix list and primary author, Wietse will tell you flat out not
to use MailScanner (there's something personal between Wietse and
Julian, the author of MailScanner) but I found amavisd-new to be a PITA
and just love MailScanner myself and have never had issues with
integrating MailScanner into Postfix mail queue.

rpmforge has clamav/clamdb packages. MailScanner is available from
http://www.mailscanner.info

Craig

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Re: [CentOS] fetchmail SSL protoco; issue

[Bob Taylor]

On Sat, 2009-03-21 at 17:03 +0100, Louis Lagendijk wrote:
> I am using fetchmail to collect mail from some secondary mail accounts,
> among which is hotmail.
> So far I have used hotwayd to fetch the mail from hotmail using
> httpmail. Hotmail now supports pop3 access, so I decided to change
> fetchnail to fetch the mail directly over pop3.
> 
> This works, but whatever I try, I get an error message when I run
> fetchmail:
> 
> Invalid SSL protocol 'SSLv23' specified, using default (SSLv23).
> Invalid SSL protocol '' specified, using default (SSLv23).
> 
> The relevant part of my .fetchmailrc is included below (userids and
> password changed for privacy reasons :-)
> 
> poll pop3.live.com port 995 proto pop3
> user xx...@hotmail.com password yy no keep ssl sslproto ssl23
> fetchall to myuserid

Try removing the space between "no" and "keep" otherwise I don't know.
My gmail works with just the "ssl".

-- 
Bob Taylor

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Re: [CentOS] How to add ClamAV to Postfix?

[Xn Nooby]

On Sat, Mar 21, 2009 at 2:06 PM, Craig White  wrote:
> On Sat, 2009-03-21 at 13:37 -0400, Xn Nooby wrote:
>> I sent this email to the Rehdat list, but I thought the Centos users
>> might be more inclined to have the command-line solution I am looking
>> for, so I thought I would post it here too:
>>
>> I would like to add anti-virus to my email server. Currently I have
>> Postfix, Dovecot, PHP, and Squirrelmail installed.  The users only use
>> Squirrelmail to access mail. I am looking for command-line
>> instructions, since I have limited access to the server itself (I am
>> using SSH). ClamAV seems to be most common linux AV package, so I
>> assume I should be using that.
>>
>> I'm not sure if I should be using Amavisd or MailScanner, or neither.
>> I believe I need one of them to act as the glue that connects Postfix
>> to ClamAV. Apparently none of these packages
>> (Amavisd/MailScanner/ClamAV) are part of RHEL5, so I have to get the
>> RPMS from somewhere else.
>>
>> Is there some standard way of adding AV to Postfix?
> 
> clearly the best way is to add a wrapper program like amavisd-new or
> MailScanner which handles spamassassin and which ever combination of
> anti-virus programs you use.
>
> The postfix list and primary author, Wietse will tell you flat out not
> to use MailScanner (there's something personal between Wietse and
> Julian, the author of MailScanner) but I found amavisd-new to be a PITA
> and just love MailScanner myself and have never had issues with
> integrating MailScanner into Postfix mail queue.
>
> rpmforge has clamav/clamdb packages. MailScanner is available from
> http://www.mailscanner.info
>
> Craig
>
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>

Hi Craig,

In one of my failed attempts before I posted, I had gotten those RPMs
from rpmforge, perhaps I was on the right track. I was following these
instructions:

http://www.linuxmail.info/how-to-install-clam-antivirus-centos-5

I will install install ClamAV from those RPM's, make a backup using
CloneZilla, then I will only have to get either MailScanner or Amavis
to work.

thanks!
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Re: [CentOS] How to add ClamAV to Postfix?

[Per Qvindesland]

Hi

Have you tried this how to:
http://www.opensourcehowto.org/how-to/postfix/postfix--clamav--mailscanner--
dovecot--ilohamail.html

Just skip the setup stuff for postfix and change the dowload link for clamav
to http://crash.fce.vutbr.cz/crash-hat/centos/5/clamav/

Or this how to: 
http://www.howtoforge.com/virtual_users_postfix_courier_mailscanner_clamav_c
entos

Per


On 3/21/09 6:58 PM, "Xn Nooby"  wrote:

> On Sat, Mar 21, 2009 at 1:40 PM, Bill Campbell  wrote:
>> On Sat, Mar 21, 2009, Xn Nooby wrote:
>>> I sent this email to the Rehdat list, but I thought the Centos users
>>> might be more inclined to have the command-line solution I am looking
>>> for, so I thought I would post it here too:
>>> 
>>> I would like to add anti-virus to my email server. Currently I have
>>> Postfix, Dovecot, PHP, and Squirrelmail installed.  The users only use
>>> Squirrelmail to access mail. I am looking for command-line
>>> instructions, since I have limited access to the server itself (I am
>>> using SSH). ClamAV seems to be most common linux AV package, so I
>>> assume I should be using that.
>>> 
>>> I'm not sure if I should be using Amavisd or MailScanner, or neither.
>>> I believe I need one of them to act as the glue that connects Postfix
>>> to ClamAV. Apparently none of these packages
>>> (Amavisd/MailScanner/ClamAV) are part of RHEL5, so I have to get the
>>> RPMS from somewhere else.
>> 
>> We use amavisd-new with clamav.
>> 
>>> Is there some standard way of adding AV to Postfix?
>> 
>> This is well documented at http://www.postfix.org/
>> 
>> Bill
>> --
>> INTERNET:   b...@celestial.com  Bill Campbell; Celestial Software LLC
>> URL: http://www.celestial.com/  PO Box 820; 6641 E. Mercer Way
>> Voice:          (206) 236-1676  Mercer Island, WA 98040-0820
>> Fax:            (206) 232-9186
>> 
>> "The most foolish mistake we could possibly make would be to allow the
>> subject races to possess arms.  History shows that all conquerors who have
>> allowed the subject races to carry arms have prepared their own downfall by
>> so doing. Indeed, I would go so far as to say that the supply of arms to
>> the underdogs is a sine qua non for the overthrow of any sovereignty." --
>> Adolf Hitler (H.R. Trevor-Roper, Hitler's Table Talks 1941-1944)
>> ___
>> CentOS mailing list
>> CentOS@centos.org
>> http://lists.centos.org/mailman/listinfo/centos
>> 
> 
> Hi Bill,
> 
> I think the only ClamAV link on the Postfix site ultimately resolves to here:
> 
> http://www.postfixvirtual.net
> 
> Are these instructions you are referring to?
> 
> I can try those instrutions, but I had been scared off by the authors
> initial disclaimer:
> 
> "Dear Reader, this howto hasn't been updated since 2006 and has some
> parts which are missing. You may end up installing a non-working
> postfix but I believe it can help you to guide through the
> installation steps if you know what you are doing:)"
> 
> Or perhaps there was another link from postfix.org?
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Re: [CentOS] How to add ClamAV to Postfix?

[Craig White]

On Sat, 2009-03-21 at 14:13 -0400, Xn Nooby wrote:
> On Sat, Mar 21, 2009 at 2:06 PM, Craig White  wrote:
> > On Sat, 2009-03-21 at 13:37 -0400, Xn Nooby wrote:
> >> I sent this email to the Rehdat list, but I thought the Centos users
> >> might be more inclined to have the command-line solution I am looking
> >> for, so I thought I would post it here too:
> >>
> >> I would like to add anti-virus to my email server. Currently I have
> >> Postfix, Dovecot, PHP, and Squirrelmail installed.  The users only use
> >> Squirrelmail to access mail. I am looking for command-line
> >> instructions, since I have limited access to the server itself (I am
> >> using SSH). ClamAV seems to be most common linux AV package, so I
> >> assume I should be using that.
> >>
> >> I'm not sure if I should be using Amavisd or MailScanner, or neither.
> >> I believe I need one of them to act as the glue that connects Postfix
> >> to ClamAV. Apparently none of these packages
> >> (Amavisd/MailScanner/ClamAV) are part of RHEL5, so I have to get the
> >> RPMS from somewhere else.
> >>
> >> Is there some standard way of adding AV to Postfix?
> > 
> > clearly the best way is to add a wrapper program like amavisd-new or
> > MailScanner which handles spamassassin and which ever combination of
> > anti-virus programs you use.
> >
> > The postfix list and primary author, Wietse will tell you flat out not
> > to use MailScanner (there's something personal between Wietse and
> > Julian, the author of MailScanner) but I found amavisd-new to be a PITA
> > and just love MailScanner myself and have never had issues with
> > integrating MailScanner into Postfix mail queue.
> >
> > rpmforge has clamav/clamdb packages. MailScanner is available from
> > http://www.mailscanner.info
> >

> Hi Craig,
> 
> In one of my failed attempts before I posted, I had gotten those RPMs
> from rpmforge, perhaps I was on the right track. I was following these
> instructions:
> 
> http://www.linuxmail.info/how-to-install-clam-antivirus-centos-5
> 
> I will install install ClamAV from those RPM's, make a backup using
> CloneZilla, then I will only have to get either MailScanner or Amavis
> to work.
> 
> thanks!

looks ok - MailScanner and Amavisd have their own documentation and I
would recommend that you install yum-priorities package when using 3rd
party repos like rpmforge with CentOS

MailScanner handles the clamav virus definition updates for you...don't
know about amavisd-new

Craig

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Re: [CentOS] How to add ClamAV to Postfix?

[Xn Nooby]

On Sat, Mar 21, 2009 at 2:06 PM, Craig White  wrote:
> On Sat, 2009-03-21 at 13:37 -0400, Xn Nooby wrote:
>> I sent this email to the Rehdat list, but I thought the Centos users
>> might be more inclined to have the command-line solution I am looking
>> for, so I thought I would post it here too:
>>
>> I would like to add anti-virus to my email server. Currently I have
>> Postfix, Dovecot, PHP, and Squirrelmail installed.  The users only use
>> Squirrelmail to access mail. I am looking for command-line
>> instructions, since I have limited access to the server itself (I am
>> using SSH). ClamAV seems to be most common linux AV package, so I
>> assume I should be using that.
>>
>> I'm not sure if I should be using Amavisd or MailScanner, or neither.
>> I believe I need one of them to act as the glue that connects Postfix
>> to ClamAV. Apparently none of these packages
>> (Amavisd/MailScanner/ClamAV) are part of RHEL5, so I have to get the
>> RPMS from somewhere else.
>>
>> Is there some standard way of adding AV to Postfix?
> 
> clearly the best way is to add a wrapper program like amavisd-new or
> MailScanner which handles spamassassin and which ever combination of
> anti-virus programs you use.
>
> The postfix list and primary author, Wietse will tell you flat out not
> to use MailScanner (there's something personal between Wietse and
> Julian, the author of MailScanner) but I found amavisd-new to be a PITA
> and just love MailScanner myself and have never had issues with
> integrating MailScanner into Postfix mail queue.
>
> rpmforge has clamav/clamdb packages. MailScanner is available from
> http://www.mailscanner.info
>
> Craig
>
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Now rpmforge.net is now redirecting me to rpmrepo.org, which has an
invalid security certificate. Something I should be concerned about?
I don't think it did that yesterday.
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Re: [CentOS] Being Green, Time to make the servers sleep!

[Noob Centos Admin]

On Thu, Mar 19, 2009 at 10:22 PM, John Hinton  wrote:
> ATX, just
> powers down the computer, leaving the PS in a lowered power state, but
> apparently this can draw up to 60% of the working power needed.

60% would be a gross exaggeration, off the top of my head, an "OFF"
ATX PSU draws less than 10W, maybe a few more in terms of VA due to
inefficiency at really low power. But certainly no way near 60% unless
you are referring to one of those new Atoms/Nano platform. Even then,
they usually come with PSU optimized for low power operation.

> It would be interesting to put a wattmeter inline on the power cord to
> see how much current it's drawing running vs. in sleep state. I guess
> with an AT machine, one would have to use one of those old timers that
> switch on a plug something else that uses a bit of electricity, but
> I bet less than a power supply in sleep mode.

Including conversion inefficiency, my gaming PC sucks some 180W on
idle, I just sent it into standby and my wattmeter says 4W. It isn't
spec'd to be accurate at less than 10W so the actual draw could range
from 2W to 8W. Certainly nothing too significant, the total
environmental cost including materials and energy is likely less than
a new timer :)
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Re: [CentOS] Being Green, Time to make the servers sleep!

[Noob Centos Admin]

On Thu, Mar 19, 2009 at 7:13 PM, James Bensley  wrote:
> Shadies and Mentlemen;
>
> I am trying to be green and put our backup servers to sleep during the
> day and have them wake on LAN and fire back up at night for our
> nightly backups as "sleep" is a sort of low power usage mode.

Make sure you are not using Seagate 7200.11 series hard disks for this
unless you've somehow obtained and updated the firmwire. Frequent
power cycles increases the chances that you will hit their firmware
bug that apparently bricks the drive if the drive internal log is at
some specific entry number before the power cycle. Was part of the
recent Seagate fiasco.
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Re: [CentOS] How to add ClamAV to Postfix?

[Les Mikesell]

Craig White wrote:
> On Sat, 2009-03-21 at 13:37 -0400, Xn Nooby wrote:
>> I sent this email to the Rehdat list, but I thought the Centos users
>> might be more inclined to have the command-line solution I am looking
>> for, so I thought I would post it here too:
>>
>> I would like to add anti-virus to my email server. Currently I have
>> Postfix, Dovecot, PHP, and Squirrelmail installed.  The users only use
>> Squirrelmail to access mail. I am looking for command-line
>> instructions, since I have limited access to the server itself (I am
>> using SSH). ClamAV seems to be most common linux AV package, so I
>> assume I should be using that.
>>
>> I'm not sure if I should be using Amavisd or MailScanner, or neither.
>> I believe I need one of them to act as the glue that connects Postfix
>> to ClamAV. Apparently none of these packages
>> (Amavisd/MailScanner/ClamAV) are part of RHEL5, so I have to get the
>> RPMS from somewhere else.
>>
>> Is there some standard way of adding AV to Postfix?
> 
> clearly the best way is to add a wrapper program like amavisd-new or
> MailScanner which handles spamassassin and which ever combination of
> anti-virus programs you use.
> 
> The postfix list and primary author, Wietse will tell you flat out not
> to use MailScanner (there's something personal between Wietse and
> Julian, the author of MailScanner) but I found amavisd-new to be a PITA
> and just love MailScanner myself and have never had issues with
> integrating MailScanner into Postfix mail queue.
> 
> rpmforge has clamav/clamdb packages. MailScanner is available from
> http://www.mailscanner.info

I've always liked MimeDefang best because of it's well-designed 
multiplexer that permits quick operations to continue without making an 
extra process wait for the slow jobs.   It was designed to work with 
sendmail and the rpmforge package works along with clamav requiring at 
most a change in group ownership on clamd's socket.   However, I thought 
  someone said that postfix's milter emulation is now complete enough to 
work with MimeDefang too.

-- 
   Les Mikesell
lesmikes...@gmail.com


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Re: [CentOS] How to add ClamAV to Postfix?

[Ned Slider]

Xn Nooby wrote:
> I sent this email to the Rehdat list, but I thought the Centos users
> might be more inclined to have the command-line solution I am looking
> for, so I thought I would post it here too:
> 
> I would like to add anti-virus to my email server. Currently I have
> Postfix, Dovecot, PHP, and Squirrelmail installed.  The users only use
> Squirrelmail to access mail. I am looking for command-line
> instructions, since I have limited access to the server itself (I am
> using SSH). ClamAV seems to be most common linux AV package, so I
> assume I should be using that.
> 
> I'm not sure if I should be using Amavisd or MailScanner, or neither.
> I believe I need one of them to act as the glue that connects Postfix
> to ClamAV. Apparently none of these packages
> (Amavisd/MailScanner/ClamAV) are part of RHEL5, so I have to get the
> RPMS from somewhere else.
> 
> Is there some standard way of adding AV to Postfix?


ClamAV with Amavisd for Postfix is documented on the Wiki:

http://wiki.centos.org/HowTos/Amavisd

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Re: [CentOS] How to add ClamAV to Postfix?

[Ralph Angenendt]

Xn Nooby wrote:
> Now rpmforge.net is now redirecting me to rpmrepo.org, which has an
> invalid security certificate. Something I should be concerned about?

The redirect is okay, the invalid security certficate isn't, but will be
fixed (someone just needs to install the new certificate).

> I don't think it did that yesterday.

The redirect has been there for a longer time, the SSL certificate has run
out, the new one hasn't been installed yet. Sorry for the inconvenience.

But: rpmforge packages themselves are signed with the rpmforge gpg key (and
the rpms aren't stored at rpmrepo.org).

Ralph

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[CentOS] (no subject)

[Daniel Hays]

Hi there,

 

Could you please remove me from your mailing list?

 

Thank you

 

Daniel

_
Need a new place to rent, share or buy? Let ninemsn property help.
http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Fninemsn%2Edomain%2Ecom%2Eau%2F%3Fs%5Fcid%3DFDMedia%3ANineMSN%5FHotmail%5FTagline&_t=774152450&_r=Domain_tagline&_m=EXT___
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Re: [CentOS] OT: centos.org web site not responding

[Scott Silva]

> When I run the command "mtr -c 10 -r centos.org" I continue to see the
> line which includes "???" and "100% loss" within the Layered Tech DC
> in Dallas. I don't know what if anything that indicates. At the time
> of the below test, I can load centos.org into my browser, without
> problems.
> 
> pod22c_ae.layeredtech.com 0.0% 120.8 136.4 118.6 201.5  
> 26.3
> ???  100.0   0.0   0.0   0.0   0.0   
> 0.0
> 162.194.232.72.static.reverse.ltdomains.com  10.0% 148.6 133.1 119.7 161.0  
> 18.0
> [r...@dell2400 ~]#

Not all routers respond to the icmp packets in these tests. The fact that the
trace gets beyond that router is usually enough to imply that the packets get
through. I also see the 100% loss at that router, but have no problem with the
centos site.

Sometimes routers are configured to ignore tests like this all the time, and
sometimes they will drop any unnecessary test packets if they are running near
their maximum load. The tests are not a go / no go test.

-- 
MailScanner is like deodorant...
You hope everybody uses it, and
you notice quickly if they don't



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Re: [CentOS] OT: centos.org web site not responding

[Lanny Marcus]

2009/3/21 Scott Silva :
> 
>> When I run the command "mtr -c 10 -r centos.org" I continue to see the
>> line which includes "???" and "100% loss" within the Layered Tech DC
>> in Dallas. I don't know what if anything that indicates. At the time
>> of the below test, I can load centos.org into my browser, without
>> problems.
>>
>> pod22c_ae.layeredtech.com                     0.0% 120.8 136.4 118.6 201.5  
>> 26.3
>> ???                                          100.0   0.0   0.0   0.0   0.0   
>> 0.0
>> 162.194.232.72.static.reverse.ltdomains.com  10.0% 148.6 133.1 119.7 161.0  
>> 18.0
>> [r...@dell2400 ~]#
>
> Not all routers respond to the icmp packets in these tests. The fact that the
> trace gets beyond that router is usually enough to imply that the packets get
> through. I also see the 100% loss at that router, but have no problem with the
> centos site.
>
> Sometimes routers are configured to ignore tests like this all the time, and
> sometimes they will drop any unnecessary test packets if they are running near
> their maximum load. The tests are not a go / no go test.

Scott: Thank you for the explanation! I've been able to get to the
centos.org web site today, without any problems, at various times
during the day. Never had problems with it before, until this week.
Lanny
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Re: [CentOS] (no subject)

[Victor Padro]

2009/3/21 Daniel Hays 

>  Hi there,
>
> Could you please remove me from your mailing list?
>
> Thank you
>
> Daniel
>
> --
> Let ninemsn property help. Need a new place to rent, share or 
> buy?
>
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>
We can't do that...
you have to do it by yourself.
go here and give it a try:
http://lists.centos.org/mailman/listinfo/centos

-- 
"It is human nature to think wisely and act in an absurd fashion."

"Todo el desorden del mundo proviene de las profesiones mal o mediocremente
servidas"
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Re: [CentOS] OT: centos.org web site not responding

[John R Pierce]

Lanny Marcus wrote:
> HEAD / HEAD/1.1
> Host: www.centos.org
> HTTP/1.1 400 Bad Request
>   

its ...

HEAD / HTML/1.1   

... not HEAD/1.1


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