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First look at the RHEL 6 package list
Just had a look at the Red Hat Enterprise Linux 6 beta package list, and it looks quite well put together. With a very interesting tilt towards developers and people building large scale platforms. Ofcourse there is the expected virtualisation, storage and cluster suite improvements.
Disapointed that Exim is going away, its become my mta of choice over the last few years. Also disapointed that ruby is at 1.8.6 and isnt going to make 1.9.x. Although, having rubygems in the distro is good. Same with all the major Version control systems are now included, svn, git, cvs, rcs, mercurial and bazaar
On the other hand, python 2.6 is cool. Along with the inclusion of ipython, turbogears and pylons. Like the fact that amqp via qpid ( my implementation of choice ) are also included in the base distro. Same with FCoE, been testing it over the last few months and would be really nice to see it in a supported format now.
Also amongst the interesting stuff : bacula replacing amanda, like it. Sysklogd replaced by rsyslog, like it. Vixie-cron replaced by cronie, like it. Al the system-config-* tools are gone, dont care - never used them myself anyway. Xfs is now in the mainstream supported mode along with ext4, like it. Completely Fair Scheduler in the kernel, like it. No drbd, odd given that its being used quite a lot.
This is just a first look reaction, over the next few weeks I'm going to try and poke around a bit more and will blog about more specific things.
25/Apr/2010 07:57:09 pm, 
18 comments
We use drbd on one pair of machines, so that means the update workflow for them involves rebuilding the kernel. Annoying, but not a problem.
Looking forward to 6.
--John
How is Xen doing? Has all the attention shiften more towards KVM now?
Frank: there was never any DRBD in RHEL2.1/3/4/5 - but its now in the mainstream kernel, which is why there was much anticipation that it might make it into the rhel product as well. So far as I can tell, Red Hat seem to be pushing iscsi and gfs as the way-to-go for smaller setups. The sorts that would have typically used drbd.
- KB
https://bugzilla.redhat.com/show_bug.cgi?id=585309
This is the only way to get DRBD support in RHEL6.
Not that they are irreplaceable, but they are often much more handy for configuration than command-line.
One example is system-config-bind, which saves you *a lot* of headache when editing long DNS zone files...
For those of you who don't mind utilising non-standard (i.e. not CentOS Base etc.) repositories, Exim 4.71 is available from atRPMs.
I've put up a tutorial on installing it at http://www.threedrunkensysadsonthe.net/2010/04/installing-exim-4-71-on-centos5/ - hopefully the atRPMS guys will update the packages for Centos/RHEL 6 when it comes out...
But the system-config-bind package has been broken for a long long time!
There's always webmin if you want to avoid the command line.
I hope you joke.
However I was not joking when I said webmin. I know many people stay away from it because it's a big perl mess with an ugly security background, but when you're not comfortable with the command line, it can sure help.
I've managed to use system-config-bind in CentOS 5.4; it worked for me, on a few ocassions :-)))
It's not about not being able to edit DNS files by hand, but it's handy to start with a template and modify it on wish.
Webmin would certainly be an overkill for my needs, especially because:
- it has modules for other servers as well
- one needs to start a web service for it
this seems to be first unofficial review of RHEL6
yes xfsprogs have made it into the distro!
Tbh, I would have thought that they would include xfsprogs into 5.5 as well, but that does not seem to have happened. I wonder what and how they expect the xfs users on EL5/x86_64 to be using :)
- KB
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