[olug] Centos

Rob Townley rob.townley at gmail.com
Fri May 24 17:42:01 UTC 2013

The main reason CentOS got behind was that several different upgrades for
CentOS 4, 5, and 6 were released by RedHat all-at-once or over a short
timespan.  The build mechanism for 6 changed drastically and iirc, RedHat
released a bugfix for the build mechanism.  Why not just get support from
RedHat.  Their cloud management offering promises a great deal that i would
like to have - not sure what is called in CentOS yet.

On Fri, May 24, 2013 at 12:36 PM, Rob Townley <rob.townley at gmail.com> wrote:

> `*rpm -q --changelog php | less*`  may very well surprise you with the
> security patches applied even though the version numbering scheme would
> lead you to think it is way out-of-date.
> RedHat derivatives have selinux turned on by default and it works.   Get
> used to using ls -Z to see the selinux mandatory access control lists.
> alias *'lZ=ls -latrZ'*
> i had pushed /etc/hosts to a few different places and modified it on
> different machines under different directories.  i had a heck-of-a-time
> figuring out why /etc/hosts was being ignored until i ran  *`lZ
> /etc/host*`.  *Noticed right away the MAC labels were different on this
> file.
> `*restorecon /etc/hosts*` fixed it right away.
> i have some of my firefox profiles run in a selinux sandbox.  i will put
> the script up on one of our shared repositories.  That will be a follow-up
> email to my bash scripting problem.
> Your companies IT policy may prevent adding 3rd party repositories, but if
> not....
> Remi Collet provides a repository for EL6 packages such as php and mysql
> and currently firefox 21 ... blog.famillecollet.com.  He has docs on how
> to install his repository on his blog but peruse the rpms here:
> http://rpms.famillecollet.com/enterprise/6/
> i followed Remi's documentation for the
> http://www.glpi-project.org/spip.php?article43 glpi-project.org<http://www.glpi-project.org/spip.php?article43>and found it to be awesome (extra steps to lock down mysql) for glpi and
> fusioninventory.
> On Wed, May 22, 2013 at 11:49 AM, Sam Tetherow <tetherow at shwisp.net>wrote:
>> PHP and Apache were the biggest ones for me.  Mysql to a lesser extent.
>>  Granted this was in the CentOS 5 days and there were several php 5.2
>> security fixes coming out on a weekly/monthly basis.  Finding a good rpm
>> repository for updates was a must.
>> On 05/22/2013 11:17 AM, Obi-Wan wrote:
>>> Good point about keeping packages updated & upgrades. Definitely worth
>>>> bringing up.
>>> Unless you need support for a new device, I rarely found the slow
>>> package update cycle to be a problem for servers.  For production
>>> servers, you generally don't want to be upgrading packages willy
>>> nilly unless you've got a specific reason, like security updates
>>> or needed functionality.  Once it's stable, let it lie.
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