One exemplary example of how to or how to not to. # yum clean all Loaded plugins: langpacks Cleaning repos: rawhide Cleaning up everything # yum --enablerepo \* clean all Loaded plugins: langpacks Cleaning repos: fedora fedora-debuginfo fedora-rawhide-kernel-nodebug fedora-rawhide-kernel-nodebug-debuginfo fedora-rawhide-kernel-nodebug-source : fedora-source rawhide rawhide-debuginfo rawhide-koji rawhide-source updates updates-debuginfo updates-source updates-testing : updates-testing-debuginfo updates-testing-source Cleaning up everything # yum --disablerepo \* --enablerepo rawhide-koji install kernel\*3.16.0-0.rc2.git0.1.fc21\* \*perf\*3.16.0-0.rc2.git0.1.fc21\* -x \*PAE\* -x \*debug\* Loaded plugins: langpacks Resolving Dependencies --> Running transaction check ---> Package kernel.i686 0:3.16.0-0.rc2.git0.1.fc21 will be installed ---> Package kernel-core.i686 0:3.16.0-0.rc2.git0.1.fc21 will be installed ---> Package kernel-devel.i686 0:3.16.0-0.rc2.git0.1.fc21 will be installed ---> Package kernel-headers.i686 0:3.16.0-0.rc2.git0.1.fc21 will be installed ---> Package kernel-modules.i686 0:3.16.0-0.rc2.git0.1.fc21 will be installed ---> Package kernel-modules-extra.i686 0:3.16.0-0.rc2.git0.1.fc21 will be installed ---> Package kernel-tools.i686 0:3.16.0-0.rc2.git0.1.fc21 will be installed ---> Package kernel-tools-libs.i686 0:3.16.0-0.rc2.git0.1.fc21 will be installed ---> Package kernel-tools-libs-devel.i686 0:3.16.0-0.rc2.git0.1.fc21 will be installed ---> Package perf.i686 0:3.16.0-0.rc2.git0.1.fc21 will be installed ---> Package python-perf.i686 0:3.16.0-0.rc2.git0.1.fc21 will be installed --> Finished Dependency Resolution Dependencies Resolved ======================================================================================== Package Arch Version Repository Size ======================================================================================== Installing: kernel i686 3.16.0-0.rc2.git0.1.fc21 rawhide-koji 85 k kernel-core i686 3.16.0-0.rc2.git0.1.fc21 rawhide-koji 17 M kernel-devel i686 3.16.0-0.rc2.git0.1.fc21 rawhide-koji 8.9 M kernel-headers i686 3.16.0-0.rc2.git0.1.fc21 rawhide-koji 984 k kernel-modules i686 3.16.0-0.rc2.git0.1.fc21 rawhide-koji 16 M kernel-modules-extra i686 3.16.0-0.rc2.git0.1.fc21 rawhide-koji 2.1 M kernel-tools i686 3.16.0-0.rc2.git0.1.fc21 rawhide-koji 168 k kernel-tools-libs i686 3.16.0-0.rc2.git0.1.fc21 rawhide-koji 92 k kernel-tools-libs-devel i686 3.16.0-0.rc2.git0.1.fc21 rawhide-koji 88 k perf i686 3.16.0-0.rc2.git0.1.fc21 rawhide-koji 1.0 M python-perf i686 3.16.0-0.rc2.git0.1.fc21 rawhide-koji 179 k Transaction Summary ======================================================================================== Install 11 Packages Total size: 46 M Total download size: 46 M Installed size: 95 M Is this ok [y/d/N]: # dnf clean all Cleaning repos: rawhide Cleaning up Everything # dnf --enablerepo \* clean all Cleaning repos: fedora-source rawhide-debuginfo fedora updates-debuginfo rawhide-source updates-testing-debuginfo fedora-debuginfo fedora-rawhide-kernel- : nodebug-debuginfo fedora-rawhide-kernel-nodebug-source updates-testing fedora-rawhide-kernel-nodebug rawhide updates-testing-source updates- : source rawhide-koji updates Cleaning up Everything # dnf --disablerepo \* --enablerepo rawhide-koji install kernel\*3.16.0-0.rc2.git0.1.fc21\* \*perf\*3.16.0-0.rc2.git0.1.fc21\* -x \*PAE\* -x \*debug\* Fedora 21 - i386 - Koji 609 kB/s | 35 MB 00:59 No package kernel*3.16.0-0.rc2.git0.1.fc21* available. No package *perf*3.16.0-0.rc2.git0.1.fc21* available. Error: Nothing to do. # dnf --disablerepo \* --enablerepo rawhide-koji install kernel\*3.16.0-0.rc2.git0.1.fc21\* \*perf\*3.16.0-0.rc2.git0.1.fc21\* -x \*PAE\* -x \*debug\* Fedora 21 - i386 - Koji 609 kB/s | 35 MB 00:59 No package kernel*3.16.0-0.rc2.git0.1.fc21* available. No package *perf*3.16.0-0.rc2.git0.1.fc21* available. Error: Nothing to do. # dnf --disablerepo \* --enablerepo rawhide-koji install kernel*3.16.0-0.rc2.git0.1.fc21* *perf*3.16.0-0.rc2.git0.1.fc21* -x *PAE* -x *debug* No package kernel*3.16.0-0.rc2.git0.1.fc21* available. No package *perf*3.16.0-0.rc2.git0.1.fc21* available. Error: Nothing to do. # dnf --disablerepo=\* --enablerepo=rawhide-koji install kernel*3.16.0-0.rc2.git0.1.fc21* *perf*3.16.0-0.rc2.git0.1.fc21* -x *PAE* -x *debug* No package kernel*3.16.0-0.rc2.git0.1.fc21* available. No package *perf*3.16.0-0.rc2.git0.1.fc21* available. Error: Nothing to do. # dnf --disablerepo=* --enablerepo=rawhide-koji install kernel*3.16.0-0.rc2.git0.1.fc21* *perf*3.16.0-0.rc2.git0.1.fc21* -x *PAE* -x *debug* No package kernel*3.16.0-0.rc2.git0.1.fc21* available. No package *perf*3.16.0-0.rc2.git0.1.fc21* available. Error: Nothing to do. # dnf --disablerepo=* --enablerepo=rawhide-koji install kernel*3.16.0-0.rc2.git0.1.fc21* *perf*3.16.0-0.rc2.git0.1.fc21* --exclude=*PAE* --exclude=*debug* No package kernel*3.16.0-0.rc2.git0.1.fc21* available. No package *perf*3.16.0-0.rc2.git0.1.fc21* available. Error: Nothing to do. poma -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct