[CentOS] CentOS 8: what changed (regular UNIX admin commands)?

Wed Oct 23 18:03:02 UTC 2019
Valeri Galtsev <galtsev at kicp.uchicago.edu>

On 2019-10-23 12:54, Matthew Miller wrote:
> On Tue, Oct 22, 2019 at 12:11:04PM -0600, David G. Miller wrote:
>> "ip" should be used instead.  Likewise for using dnf instead of yum,
>> systemctl instead of service, firewallcmd instead of iptables, etc.
>> I wonder how many shell scripts there are "out there" that folks
>> have written or accumulated over the years and which now need to be
>> updated before deprecated becomes no longer available?  Or, like
> With the case of DNF and Yum, the RHEL team put in considerable work into
> making sure that the new DNF-based 'yum' command is a drop-in replacement
> for the vast majority of those scripts.

They did so well, that I didn't even notice anything changed - no 
complaints from my "automated" update facility. I only learned about 
this change from "diff {RedHat} 8 7" document.

This reminds me what I used to say about my sysadmin job: My job is like 
that of a plumber: if I do it right, no one will notice that I exist; if 
I do it wrong, everybody gets ... you know what.

Well done, RedHat!


Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
Phone: 773-702-4247