[CentOS] copying to a local mirror / repository

[Johnny Hughes]

On 10/15/2015 07:15 AM, Phelps, Matthew wrote:
> On Wed, Oct 14, 2015 at 6:53 PM, Johnny Hughes <johnny at centos.org> wrote:
> 
>> On 10/14/2015 04:49 PM, Richer, Mark (CIV) wrote:
>>> I am using CentOS on a private network which can’t access the Internet
>> so I want to create a local repository of packages on one or more DVDs, and
>> get it installed on the private network. Someone had done this for CentOS
>> 7, but not for CentOS 6. I have a VM running 6 so I am trying to create it
>> for the previous major version.  I thought there would be some obvious
>> instructions on the preferred/recommended method for doing this, but I have
>> failed to find them.
>>>
>>> Can anyone respond with any useful links on how best to do this or
>> provide the recommended set of steps. I have seen various postings on this
>> topic, but not anything official from the CentOS community.
>>>
>>> thanks much,
>>> Mark
>>
>> For CentOS-7 this is quite easy, mount the everything ISO and point to
>> it.  (Note, it is TOO BIG to fit on a DVD, so it needs to be on a thumb
>> drive .. something that will hold at least 7.2 GB)
>>
>> We roll a new ISO every month, you can get the latest one here:
>>
>> http://buildlogs.centos.org/rolling/7/isos/x86_64/
>>
>> Currently CentOS-7-x86_64-Everything-1509-01.iso
>>
>> For 6, it is a bit harder, but not overly hard.  Pick a mirror that is
>> close from here:
>>
>> https://www.centos.org/download/mirrors/
>>
>> Rsync the /6/ tree from that mirror, excluding the ISOs if you do not
>> want them.  As an example, I will pick the mirrors.kernel.org for this
>> example ... this command:
>>
>> rsync mirrors.kernel.org::centos/6/
>>
>> shows this results:
>>
>> drwxr-xr-x          27 2014/10/19 16:36:15 SCL
>> drwxrwxr-x          42 2015/07/28 04:57:54 centosplus
>> drwxrwxr-x          27 2015/05/18 11:02:50 cloud
>> drwxr-xr-x          42 2014/10/19 16:36:15 contrib
>> drwxrwxr-x          42 2015/08/05 07:44:48 cr
>> drwxr-xr-x          42 2014/10/19 16:36:15 extras
>> drwxr-xr-x          42 2014/10/19 16:36:15 fasttrack
>> drwxrwxr-x          42 2015/08/10 11:56:29 isos
>> drwxr-xr-x          42 2015/07/25 08:20:23 os
>> drwxrwxr-x          42 2015/08/03 05:39:35 updates
>> drwxr-xr-x          27 2014/10/19 16:36:15 xen4
>>
>>
>> So, you can exlude all except the trees you want, and rsync the rest.
>>
>> Put the os and updates directories (also bigger than 4.7  GB) on a drive
>> and mount it somewhere on the other network.
>>
>> You can also do the same thing with the 7/ directory.
>>
>> With both the 6 or 7 directories, you just use apache to show the
>> directories and and update from them by pointing to that location on
>> your remote network.
>>
>>
> Re: the last paragraph, it isn't necessary to use apache. You can just
> specify the mounted location of the rsync'ed directories in your
> /etc/yum.repos.d/CentOS-Base.repo (or whatever else you need) using the
> baseurl=file://(location). E.g:
> 
> [base]
> name=CentOS-$releasever - Base
> # Comment out the "mirrorlist" line so yum doesn't try to use the network
> #mirrorlist=
> http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os
> #
> baseurl=file:///disk/linux/CO6/os/x86_64/
> gpgcheck=1
> gpgkey=file:///disk/linux/CO6/os/x86_64/RPM-GPG-KEY-CentOS-6

Absolutely correct .. I was assuming that one wanted to make it
available to multiple machines on a large network, etc.

And even then it does not need to be apache, could be any web based
server .. OR ftp .. OR NFS and mounted and pointed to on the local file
system like you did above .. OR any number of other ways
(glusterfs/ceph, etc).


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