Upgrade to CentOS 7.0

Peter Farrow peter at farrows.org
Wed Jul 26 10:01:18 UTC 2017


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.  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.

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

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


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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