Re: I suggest improving install steps for CentOS 8

Hello,

Would this modification be acceptable?

Thanks,

From: Yasuhiro Horimoto <horimoto(at)clear-code(dot)com>
Subject: Re: I suggest improving install steps for CentOS 8
Date: Mon, 18 Nov 2019 16:21:05 +0900 (JST)

> Hello,
>
> Thank you for your comments.
>
> I've fixed my patch according to your comments.
> I attached it.
>
> Thanks,
>
> From: Daniel Gustafsson <daniel(at)yesql(dot)se>
> Subject: Re: I suggest improving install steps for CentOS 8
> Date: Thu, 14 Nov 2019 10:29:01 +0100
>
>> Adding -www as this isn't a documentation issue but a website issue.
>>
>>> On 14 Nov 2019, at 03:36, Yasuhiro Horimoto <horimoto(at)clear-code(dot)com> wrote:
>>>
>>> Hello,
>>>
>>> I have found a problem with the following page.
>>>
>>> page: https://www.postgresql.org/download/linux/redhat/
>>>
>>> I tried install PostgreSQL12 into CentOS 8 as written on this page.
>>> However, I couldn't install it by the following error.
>>>
>>>
>>> # dnf install -y https://download.postgresql.org/pub/repos/yum/reporpms/EL-8-x86_64/pgdg-redhat-repo-latest.noarch.rpm
>>> # dnf install -y postgresql12
>>> Failed to set locale, defaulting to C
>>> PostgreSQL 10 for RHEL/CentOS 8 - x8 100 kB/s | 539 kB 00:05
>>> PostgreSQL 11 for RHEL/CentOS 8 - x8 121 kB/s | 629 kB 00:05
>>> PostgreSQL 12 for RHEL/CentOS 8 - x8 91 kB/s | 471 kB 00:05
>>> PostgreSQL 9.4 for RHEL/CentOS 8 - x 75 kB/s | 361 kB 00:04
>>> PostgreSQL 9.5 for RHEL/CentOS 8 - x 108 kB/s | 425 kB 00:03
>>> PostgreSQL 9.6 for RHEL/CentOS 8 - x 55 kB/s | 518 kB 00:09
>>> No match for argument: postgresql12
>>> Error: Unable to find a match
>>>
>>>
>>> There is a workaround for this problem.
>>> I executed a below command.
>>> I could install it.
>>>
>>> # dnf module disable postgresql
>>>
>>> This problem has already reported to Red Hat Bugzilla.
>>> (https://bugzilla.redhat.com/show_bug.cgi?id=1718201#c1)
>>>
>>> However, this problem has been already closed.
>>> Because it seems that is not a bug.
>>
>> Agreed, it's not a bug.
>>
>>> Therefore I suggest that add a workaround in this document like an
>>> attachment.
>>>
>>> Thanks,
>>> diff --git a/templates/pages/download/linux/redhat.html b/templates/pages/download/linux/redhat.html
>>> index 568085a..3b0cbaf 100644
>>> --- a/templates/pages/download/linux/redhat.html
>>> +++ b/templates/pages/download/linux/redhat.html
>>> @@ -51,6 +51,9 @@ The PostgreSQL Yum Repository currently supports:
>>> <p><strong>^*Note</strong>: due to the shorter support cycle
>>> on Fedora, all supported versions of PostgreSQL are not available on this platform. We do not recommend
>>> using Fedora for server deployments.
>>> +
>>> +<p><strong>^*Note</strong>: PostgreSQL can't install in CentOS 8 or RedHat Enterprise 8 just execute the following steps.
>>> +We need to execute "dnf module disable postgresql" before install the client package.
>>
>> This doesn't explain what the problem is, and why the above command works (or
>> what side effects it may have). I don't think it's a bad idea to mention this
>> problem on the page but we should phrase it in such a way that it's clear what
>> the underlying problem is, and what the fix means. Linking to offical RPM docs
>> can be a good way too?
>>
>> cheers ./daniel
>>