[Arm-dev] Three in production - Re: Progress on C7-armv7

Fri Feb 10 14:26:35 UTC 2017

Am 2017-02-10 15:09, schrieb Robert Moskowitz:
> Andreas,
> 
> On 02/10/2017 08:56 AM, Andreas Reschke wrote:
>> Am 10.02.2017 um 14:38 schrieb Robert Moskowitz:
>>> Maybe not so much to brag about, but I now have 3 Cubieboard2 servers
>>> running Centos7-armv7.
>>> 
>>> Medon    Webserver
>>> Rigel        Internal DNS
>>> Onlo        External DNS
>>> 
>>> I am leaving Valeria and Merido alone for now, as they are test 
>>> systems.
>>> 
>>> Next is my mailserver.  I will see how far I can get without
>>> perl-Log-Log4perl; please fix its dependencies soon!
>>> 
>>> The other item I need to work with for the mailserver, is do I keep 
>>> it
>>> on the 2-core CubieTruck, or do I get a 4-core CubieTruck Plus. 
>>> avmavis
>>> really beats up those 2 cores.  Sometimes imap clients suffer.  If I
>>> could limit avmavis to 3 cores, that would leave one always available
>>> for other important tasks.
>> Hello Robert,
>> I've a running a Cubietruck 3 with CentOS as a Web-, Mail-, and
>> Nexcloudserver for my family.
>> Software:
>> CentOS incl. EPEL: apache, mariadb, postfix, dovecot, amavis, clamav,
>> spamassin, mailgraph
>> from Fedora:fail2ban
> 
> Do you use postfixadmin?
> I run a virtual mail environment for a few domains.
> I also have roundcube that is occasionally used. (my daughter in
> Manchester UK, and my son in Baltimore)
> You have spamassassin, mailgraph and fail2ban that I do not have.
> 
> I would be interested in seeing your configuration steps.  I have used:
> 
> http://www.campworld.net/thewiki/pmwiki.php/LinuxServersCentOS/Cent6VirtMailServer
> 
> As my guide in the past.

Yes, my enviroment is nearly the same. The basic Howto I've used is from
https://dokuwiki.nausch.org/doku.php/centos:mail_c7:mta_1

(all in German language)

I've searchd the missing rpms at normal CentOX (noarch) and EPEL. Only 
fail2ban comes from Fedora

Nextcloud: I must stay at 10.0.3 (stable) because of PHP 5.4

> 
> What I see on the current CubieTruck RSEL6 setup (running for a couple
> of years now) is that 2 instances of amavis are going, checking out
> the mail, and pretty much pegging the CPUs (as reported by top).
> Meanwhile, at times when I go to send mail from Thunderbird, it
> reports it is waiting on my mailserver.  I assume that the server is
> too busy at the moment to take the mail.
> 
> Right now I am going to write up all I have done for a basic Cubie
> Centos7 setup.
> 
> Separately I would like to learn a bit about nextcloudserver.  I run a
> ClearOS6 Samba server here.  I am looking for alternatives, but
> serving MS shares with client login is needed.
> 
>> 
>> There isn't any problem with the RAM or CPU
>> 
>>> On 02/07/2017 01:03 PM, Robert Moskowitz wrote:
>>>> I switched medon.htt-consult.com to another Cubieboard2; I took one 
>>>> of
>>>> my test systems (which was off anyway, the middle one of the tower),
>>>> put the C7 uboot mSD and HD, and booted up.  I also switched over to
>>>> the new kernel.  So far it has been up for 6 hours, longer than
>>>> before.  We will see how it goes.
>>>> 
>>>> I have set up a DNS server and letting it 'sit' for 24 hours to test
>>>> for stability (not crashing).  This is an internal DNS server
>>>> (rigel.htt-consult.com).  If all is well tomorrow I will put it into
>>>> production, and start on migrating the production DNS server
>>>> (onlo.htt-consult.com).  And I have to learn how to config DNSSEC...
>>>> 
>>>> I am holding off on any more work on the mailserver replacement
>>>> (z9m9z.htt-consult.com) until my one epel  dependency is fixed. The
>>>> delay 'buys' me some time to figure out if I will buy a Cubie5 (4
>>>> core) for the new server.  avmavis regularly eats up 2 core on my
>>>> current RSEL6 mailserver.
>>>> 
>>>> So progress.  Thanks for the code to make this possible.
>>>> 
>>>> 
>>>> _______________________________________________
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>>>> Arm-dev at centos.org
>>>> https://lists.centos.org/mailman/listinfo/arm-dev
>>>> 
>>> _______________________________________________
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>> Greetings
>> Andreas
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> 
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Greetings
Andreas