On 2012-01-10 14:13, email builder wrote: ... <snip> ... > If I already have a bunch of packages from RepoForge, some of which > might also be in the CentOS repo (some presumably with lower version > numbers), what happens after installing and configuring > yum-priorities? > > Do those packages automatically get downgraded? Does yum complain > and tell me I should downgrade? I assume upgrades would happen per > usual if there are newer versions of packages in CentOS repo. > > I'm slightly concerned because I have a handful of packages that got > installed automatically from RepoForge when I installed amavisd-new > from there, and I'd hate to break something. If the packages are _NEWER_ than those in CentOS, then no, they will not be overwritten. You might also consider installing yum-protectbase. You'd then have to make a conscious effort to overwrite the base packages! Cheers, ak.