On 04/16/2013 09:41 AM, Roger wrote:
So what does CentOS 6.n desktop, yum update actually update or does it
leave all the apps like cinnamon desktop, skype, gimp, apache, php,
libreoffice, python, pulseaudio, gnome, Firefox or chrome as they are
first installed, circa Fedora 14ish?
Mostly the latter.
In particular, RHEL/CentOS don't receive any API/ABI incompatible
updates and usually only receives very moderate updates of
programs/applications.
This is very similar to what Fedora does during the life-time of a
Fedora release. The major difference here is Fedora's life-time is ca. 1
year, while RHEL's is much longer.
However, as RHEL/CentOS is much smaller/leaner than Fedora, you usually
will find RHEL/CentOS use-cases are pretty limited and will find
yourself adding packages, which RHEL/CentOS does not provide, from
add-on repositories (e.g. EPEL). These usually apply different
update/upgrade strategies of their own.
One would think that this would leave significant vulnerability.
Nope. RH is backporting security fixes over the whole life-time of a
RHEL release.
If it runs the latest spate of updates then is it not little different
from Fedora 18 but with an old kernel?
No. RHEL is very different from Fedora. RHEL continues to use the "old
status" - Very oversimplied, RHEL/CentOS API/ABI is that of "Fedora 14".
That means, RHEL/CentOS based works usually are "long term stable" but
usually also means these works can't apply the "bells and whistles" new
works depend upon.
Further reading implies that the better CentOS installation should be
text based as a server only and that I should run all my work on the
server not Fedora 18.
I do not understand. Oversimplied, CentOS/RHEL technically are 3 years
old, rock solid and small/limited. Fedora is on the bleeding edge,
mediocre solid and "big".
Both situations have pros and cons of their own - Which to choose
largely is a matter of your situation and of your case of deploying
them. I for one use Fedora on desktops, but am using CentOS on servers.
Ralf
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