----- Original Message ----- > On 05/17/2018 11:04 AM, Chris Negus wrote: > > 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 > > The changes for `rpm-ostree override` look good, but I noticed that > earlier in that chapter I noticed that we are still telling folks to use > `ostree admin undeploy` and `ostree admin cleanup`. While those > commands still work, it is preferred to use `rpm-ostree cleanup`. > > You can pass in various flags to the `cleanup` command to affect how it > operates: > > -b, --base Clear temporary files; will leave deployments > unchanged > -p, --pending Remove pending deployment > -r, --rollback Remove rollback deployment > -m, --repomd Delete cached rpm repo metadata
Thanks Micah. I removed the "ostree admin" commands and added several examples of "rpm-ostree cleanup" commands. Take a look (scroll up from the same link) and let me know if that looks okay. If so, and there are no other objections, I'll publish the new content. -- 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` > >> > > >
