On 13 February 2010 10:27, Robert P. J. Day <rpjday at crashcourse.ca> wrote: > On Sat, 13 Feb 2010, Jim Green wrote: > >> On 13 February 2010 10:13, Ron Loftin <reloftin at twcny.rr.com> wrote: >> > >> > On Sat, 2010-02-13 at 10:00 -0600, Jim Green wrote: >> >> Dear Centos community, >> >> I am new to centos/redhat and I would like to know on a centos system, >> >> can I use yum alone to do all package management? I don't want to learn >> >> two systems and confuse myself, I understand yum is much better than >> >> rpm if is the case? >> > >> > I expect that you will get a bunch of replies on this. >> > >> > The short form is that yum lives on TOP of RPM. It is not a replacement >> > for RPM. >> > >> > Yum does most of the thinking for you as far as dependency >> > management. It is much more user-friendly, and is the preferred >> > mechanism for software installation and maintenance because it >> > does the dependency resolution for you, and saves much in the way >> > of headaches, elevated stress, confusion, and RSI from excessive >> > keyboard use. >> > >> > All that being said, there are times when you do want to use RPM >> > by itself, without Yum. If you stay with CentOS and/or RedHat >> > long enough, you will run across this situation now and then. >> >> Thank Robert and Ron, Could you list an example where I need to use >> rpm command alone? I used rpm to install stand alone package if that >> is the case. > > i suspect there are yum alternatives for some of these but here's > some stuff i like: > > $ rpm -qa # list all installed packages yum list installed > $ rpm -qR <pkgname> # list dependencies of package yum deplist <pkgname> > $ rpm -ql <pkgname> # display list of files in package > $ rpm -qf <filename> # what package is <filename> from? yum provides <filename> this kind of exercise is fun. I came from debian and it is fun to make matches:)