Thanks. I added a write-up of "rpm-ostree override" to the Atomic Install and Config guide (currently in QA). I'd be glad for any comments:
https://access.qa.redhat.com/documentation/en-us/red_hat_enterprise_linux_atomic_host/7/html-single/installation_and_configuration_guide/#overriding_an_existing_rpm_package -- Chris Negus ----- Original Message ----- > On Tue, May 15, 2018 at 3:51 PM, Chris Negus <cne...@redhat.com> wrote: > > In the wake of James Mills' excellent article on replacing docker in Atomic > > (https://access.redhat.com/solutions/3414221), I realized we had missed > > documenting "rpm-ostree override" in the RHEL Atomic user docs. I'll point > > to that article, but I want to add some new content as well. > > > > As I've played around with rpm-ostree override, a few questions have come > > up: > > > > * Can someone suggest a good package to use to override an Atomic package > > in the base system? Each package I try fails with some dependency issues I > > don't know how to get around. > > Hmm, interesting -- can you share an example? Remember you'll want to > pass it all the related packages. > Any leaf package is easy for demo purposes. E.g. strace is probably a good > one. > Though a more realistic example is probably more convincing. If you > don't want to copy the docker one, maybe openssh? > I just tried this here: > > ``` > rpm-ostree override replace openssh-7.4p1-15.el7.x86_64.rpm > openssh-clients-7.4p1-15.el7.x86_64.rpm > openssh-server-7.4p1-15.el7.x86_64.rpm > ``` > > We've also done some work upstream recently to fully support systemd > and kernel replacements. > https://github.com/projectatomic/rpm-ostree/releases/tag/v2018.5 > > > * Must a base system package always be removed before it is replaced? > > Nope, the `override replace` operation will take care of that. > > > * Is there a proper way to back out, if you decide you want to go back to > > the original packages? > > For specific packages: `override reset $pkg1 $pkg2 ...` > To clear *all* overrides: `override reset --all` >
