Upgrade to CentOS 7.0

Pasi Kärkkäinen pasik at iki.fi
Fri Aug 11 19:54:56 UTC 2017


Hi,

On Wed, Jul 26, 2017 at 11:01:18AM +0100, Peter Farrow wrote:
> This is probably not the answer you're looking for, but we have been a Red
> Hat and later Centos house for over 20 years.
> 
> We started a mass migration to Ubuntu 1604 LTS earlier this year and have to
> say we would never go back to Centos or RedHat now.
> 
> It is completely backward and version limited compared to Ubuntu, and the
> Yum/RPM configuration is simply archaic compared to "apt".
> 
> The management of SystemD and backwards compatibility with system V scripts
> on Centos7/Redhat 7 is botched at best.
> 
> My only regret is that we didn't dump Redhat/centos earlier.
> 
> You also need to consider that RedHat bought out all the Centos core
> developers and its owned/funded by RedHat now so there is a commercial
> incentive to make it an inferior product now to entice people to move to
> RHEL.  There is also no upgrade path on Centos or RedHat between major
> version revisions so you have to re-install which is a massive "ball-ache"
> to say the least.
>

That's not correct. Redhat *does* support upgrades from rhel6 server to rhel7 server.

https://access.redhat.com/solutions/637583
https://access.redhat.com/solutions/21964


>  This is done because RedHat market and sell their support
> based on Major revisions and allowing an upgrade mechanism between say
> Centos 6 and Centos 7 would scupper that revenue stream.
> 

That's not correct either. Redhat sells rhel subscriptions, which allows you to run *any* version of rhel, and upgrade when you want. Subscriptions are not tied to specific rhel version.


> And the final point, RedHat just feels a bit basic, primitive and rubbish
> after using Ubuntu.
> 

Heh.

> So take the plunge, yo won't regret it!
> 

Nice trolling! :)


-- Pasi

> 
> On 26/07/2017 10:16, Randal, Phil wrote:
> >
> >Hi folks,
> >
> >I see that Shawn Iverson has published MailScanner 5.0.6-2 on GitHub.
> >
> >When can we expect to see updated install packages on www.mailscanner.info
> ><http://www.mailscanner.info>?
> >
> >Cheers,
> >
> >Phil
> >
> >*From:*MailScanner [mailto:mailscanner-bounces+phil.randal=hoopleltd.co.uk at lists.mailscanner.info]*On
> >Behalf Of *Shawn Iverson
> >*Sent:* 14 July 2017 00:23
> >*To:* MailScanner Discussion <mailscanner at lists.mailscanner.info>
> >*Subject:* Re: Upgrade to CentOS 7.0
> >
> >pushing this and other tasks to the weekend, will keep you posted...
> >
> >On Tue, Jul 11, 2017 at 11:00 PM, Shawn Iverson
> ><iversons at rushville.k12.in.us <mailto:iversons at rushville.k12.in.us>>
> >wrote:
> >
> >    Jerry,
> >
> >    Sounds great, let me get to work on this.  ETA will probably be
> >    tomorrow, getting late here...
> >
> >    On Tue, Jul 11, 2017 at 10:52 PM, Jerry Benton
> >    <jerry.benton at mailborder.com <mailto:jerry.benton at mailborder.com>>
> >    wrote:
> >
> >        I recently switched development environments and have yet to
> >        spin up the servers to build the DEB and RPM packages. If
> >        anyone has is already setup to build out some release packages
> >        (i.e. Shawn), I will happily post those for download on the
> >        MailScanner website. Just make sure you give me a chance to
> >        update build versions in GitHub. I would also need a changelog.
> >
> >
> >        --
> >        Jerry Benton
> >        www.mailborder.com <http://www.mailborder.com>
> >        +1 (843) 800-8605 <tel:%2B1%20%20%20%28843%29%20800-8605>
> >        +44 (020) 3883-8605 <tel:%2B44%20%28020%29%203883-8605>
> >
> >
> >        -----Original Message-----
> >        From: MailScanner [mailto:mailscanner-bounces+jerry.benton
> >        <mailto:mailscanner-bounces%2Bjerry.benton>=mailborder.com at lists.mailscanner.info
> >        <mailto:mailborder.com at lists.mailscanner.info>] On Behalf Of
> >        Paul Scott
> >        Sent: Tuesday, July 11, 2017 9:14 PM
> >        To: MailScanner Discussion <mailscanner at lists.mailscanner.info
> >        <mailto:mailscanner at lists.mailscanner.info>>
> >        Subject: RE: Upgrade to CentOS 7.0
> >
> >        I am wondering the same thing.  Have my system up and running,
> >        but have not received word yet with the proper MailScanner
> >        version to install.
> >
> >        Sincerely,
> >
> >        Paul Scott, Engineer
> >        Eden USA, Incorporated
> >        Event Production Services Since 1995
> >        Los Angeles-Las Vegas-New York
> >        sales at edenusa.com <mailto:sales at edenusa.com> OR
> >        edenusasales at gmail.com <mailto:edenusasales at gmail.com>
> >        Telephone(s): 866.501.3336 <tel:866.501.3336> OR 951.505.6967
> >        <tel:951.505.6967>
> >        Fax: 866.502.3336 <tel:866.502.3336>
> >
> >        WEBSITE: https://www.edenusa.com
> >        FACEBOOK: http://www.facebook.com/edenusainc
> >
> >        -----Original Message-----
> >        From: MailScanner [mailto:mailscanner-bounces+sales
> >        <mailto:mailscanner-bounces%2Bsales>=edenusa.com at lists.mailscanner.info
> >        <mailto:edenusa.com at lists.mailscanner.info>] On Behalf Of
> >        Remco Barendse
> >        Sent: Monday, July 03, 2017 1:52 AM
> >        To: MailScanner Discussion <mailscanner at lists.mailscanner.info
> >        <mailto:mailscanner at lists.mailscanner.info>>
> >        Subject: Re: Upgrade to CentOS 7.0
> >
> >        Is the update available somewhere? I am on the same path of
> >        having to upgrade, while I am testing I might as well test the
> >        new systemd enhats (would be a pity to start off with Centos6
> >        now)  now) :)
> >
> >        Thanks!
> >
> >        On Thu, 15 Jun 2017, Shawn Iverson wrote:
> >
> >        > Jerry,
> >        > Yes.  There's a little bug in the SUSE installer, but it was
> >        already
> >        > present prior to the changes.  Just a missing perl module
> >        that should be installed when running install.sh.  I have an
> >        issue open for it.  With a little time I should be able to
> >        resolve it for you.
> >        >
> >        > Feel free to test further, or if desired, let me know and
> >        I'll run another round of testing.  I have run successful
> >        tests on CentOS, Fedora, Ubuntu, and SUSE.
> >        >
> >        > As near as I can tell, sendmail already runs in split mode
> >        on non-Redhat based systems.
> >        >
> >        > On Thu, Jun 15, 2017 at 6:00 PM, Jerry Benton
> >        <jerry.benton at mailborder.com
> >        <mailto:jerry.benton at mailborder.com>> wrote:
> >        >       This might be a crazy question ... Are you updates
> >        done for all
> >        > of the changes you were making? I have not tested them myself.
> >        >
> >        > -- Jerry Benton www.mailborder.com <http://www.mailborder.com>
> >        >
> >        >
> >        > On Thu, Jun 15, 2017 at 5:46 PM, Shawn Iverson
> >        <iversons at rushville.k12.in.us
> >        <mailto:iversons at rushville.k12.in.us>> wrote:
> >        >       Paul,
> >        > Wait for Mr. Benton to release the next update.  It will
> >        contain systemd enhancements for sendmail and mailscanner.
> >        >
> >        > On Thu, Jun 15, 2017 at 4:54 PM, Paul Scott
> >        <sales at edenusa.com <mailto:sales at edenusa.com>> wrote:
> >        >
> >        >       I am planning on upgrading our Sendmail server to
> >        CentOS 7.0, and am wondering if there any hints from you guys,
> >        on what to expect, or what difficulties I may run into, etc.
> >This will be a brand-new fresh
> >        >       install on all new hardware, then install MailScanner
> >        and migrate our mailboxes over.  Please let me know.  Thank
> >        you so much!
> >        >
> >        >
> >        >
> >        >       Sincerely,
> >        >
> >        >
> >        >
> >        >       Paul Scott, Engineer
> >        >
> >        >       Eden USA, Incorporated
> >        >       Event Production Services Since 1995
> >        >       Los Angeles-Las Vegas-New York
> >        > sales at edenusa.com <mailto:sales at edenusa.com> OR
> >        edenusasales at gmail.com <mailto:edenusasales at gmail.com>
> >        >       Telephone(s): 866.501.3336 <tel:866.501.3336> OR
> >        951.505.6967 <tel:951.505.6967>
> >        >       Fax: 866.502.3336 <tel:866.502.3336>
> >        >
> >        >
> >        >
> >        >       WEBSITE: https://www.edenusa.com
> >        >
> >        >       FACEBOOK: http://www.facebook.com/edenusainc
> >        >
> >        >
> >        >
> >        >
> >        >
> >        >
> >        > --
> >        > MailScanner mailing list
> >        > mailscanner at lists.mailscanner.info
> >        <mailto:mailscanner at lists.mailscanner.info>
> >        > http://lists.mailscanner.info/mailman/listinfo/mailscanner
> >        >
> >        >
> >        >
> >        >
> >        >
> >        > --
> >        > Shawn Iverson, CETLDirector of Technology Rush County Schools
> >        > 765-932-3901 x271 <tel:765-932-3901%20x271>
> >        > iversons at rushville.k12.in.us
> >        <mailto:iversons at rushville.k12.in.us>
> >        >
> >        >
> >        [uc?export=download&id=0Bw5iD0ToYvs_cy1OZFNIZ0drYVU&revid=0Bw5iD0ToYvs
> >        > _UitIcHVIWkJVVTl2VGpxVUE0d0FQcHBIRXk4PQ]
> >        >
> >        [uc?export=download&id=0Bw5iD0ToYvs_Zkh4eEs3R01yWXc&revid=0Bw5iD0ToYvs
> >        > _QWpBK2Y2ajJtYjhOMDRFekZwK2xOamk5Q3Y0PQ]
> >        >
> >        >
> >        >
> >        >
> >        > --
> >        > MailScanner mailing list
> >        > mailscanner at lists.mailscanner.info
> >        <mailto:mailscanner at lists.mailscanner.info>
> >        > http://lists.mailscanner.info/mailman/listinfo/mailscanner
> >        >
> >        >
> >        >
> >        >
> >        >
> >        > --
> >        > Shawn Iverson, CETLDirector of Technology Rush County Schools
> >        > 765-932-3901 x271 <tel:765-932-3901%20x271>
> >        > iversons at rushville.k12.in.us
> >        <mailto:iversons at rushville.k12.in.us>
> >        >
> >        >
> >        [uc?export=download&id=0Bw5iD0ToYvs_cy1OZFNIZ0drYVU&revid=0Bw5iD0ToYvs
> >        > _UitIcHVIWkJVVTl2VGpxVUE0d0FQcHBIRXk4PQ]
> >        >
> >        [uc?export=download&id=0Bw5iD0ToYvs_Zkh4eEs3R01yWXc&revid=0Bw5iD0ToYvs
> >        > _QWpBK2Y2ajJtYjhOMDRFekZwK2xOamk5Q3Y0PQ]
> >        >
> >        >
> >
> >
> >        --
> >        MailScanner mailing list
> >        mailscanner at lists.mailscanner.info
> >        <mailto:mailscanner at lists.mailscanner.info>
> >        http://lists.mailscanner.info/mailman/listinfo/mailscanner
> >
> >
> >
> >
> >        --
> >        MailScanner mailing list
> >        mailscanner at lists.mailscanner.info
> >        <mailto:mailscanner at lists.mailscanner.info>
> >        http://lists.mailscanner.info/mailman/listinfo/mailscanner
> >
> >
> >
> >    --
> >
> >    Shawn Iverson, CETL
> >
> >    Director of Technology
> >
> >    Rush County Schools
> >
> >    765-932-3901 x271 <tel:%28765%29%20932-3901>
> >
> >    iversons at rushville.k12.in.us <mailto:iversons at rushville.k12.in.us>
> >
> >
> >
> >-- 
> >
> >Shawn Iverson, CETL
> >
> >Director of Technology
> >
> >Rush County Schools
> >
> >765-932-3901 x271
> >
> >iversons at rushville.k12.in.us <mailto:iversons at rushville.k12.in.us>
> >
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> 
> -- 

> 
> 
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