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 $ rpm -qR <pkgname> # list dependencies of package $ rpm -ql <pkgname> # display list of files in package $ rpm -qf <filename> # what package is <filename> from? and many others. rday -- ======================================================================== Robert P. J. Day Waterloo, Ontario, CANADA Linux Consulting, Training and Kernel Pedantry. Web page: http://crashcourse.ca Twitter: http://twitter.com/rpjday ========================================================================