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OpenDarwin 7.2.1 - man page for yum (opendarwin section 8)

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yum(8)											   yum(8)

NAME
       yum - Yellowdog Updater Modified

SYNOPSIS
       yum [options] [command] [package ...]

DESCRIPTION
       yum  is an interactive, automated update program which can be used for maintaining systems
       using rpm

       command is one of:
	* install package1 [package2] [...]
	* update [package1] [package2] [...]
	* check-update
	* upgrade
	* remove [package1] [package2] [...]
	* list [...]
	* info [...]
	* provides [...]
	* clean [packages | headers | old-headers | all]

       Unless the --help or -h option is given, one of the above commands must be present.

       install
	      is used to install the latest version of a  package  or  group  of  packages  while
	      ensuring	that  all  dependencies  are  satisfied.  If no package matches the given
	      package name(s), they are assumed to be a shell  glob  and  any  matches	are  then
	      installed.

       update If  run without any packages, update will update every currently installed package.
	      If one or more packages are specified, Yum will only update  the	listed	packages.
	      While  updating  packages, yum will ensure that all dependencies are satisfied.  If
	      no package matches the given package name(s), they are assumed to be a  shell  glob
	      and any matches are then installed.

       check-update
	      Implemented  so  you  could  know if your machine had any updates that needed to be
	      applied without running it interactively. Returns exit value of 100  if  there  are
	      packages	available for an update. Also returns a list of the pkgs to be updated in
	      list format. Returns 0 and no packages are available for update.

       upgrade
	      takes no arguments, this performs a complete upgrade of the system - good for  dis-
	      tro-version changes as it includes packages obsoleting other packages in its updat-
	      ing calculations.

       remove is used to remove the specified packages from the system as well	as  removing  any
	      packages which depend on the package being removed.

       list   can  be  used  to  list various information about available packages; more complete
	      details are available in the List Options section below.

       provides
	      can be used to find out which package provides some feature or  file.  Just  use	a
	      specific	name  or  a  file-glob-syntax wildcards to list the packages available or
	      installed that provide that feature or file.

       info   can be used to list a description and summary information about available packages;
	      takes the same arguments as in the List Options section below.

       clean  is used to clean up various things which accumulate in the yup cache directory over
	      time.  More complete details can be found in the Clean Options section below.

GENERAL OPTIONS
       Most command line options can be set using the configuration file as well and the descrip-
       tions indicate the necessary configuration option to set.

       -h, --help
	      Help; display a help message and then quit.

       -y     Assume  yes;  assume that the answer to answer to any question which would be asked
	      is yes.  Configuration Item: assume-yes

       -r     Replace  conflicting  files  (equivalent	to  the  RPM  option  of  '--replacefiles
	      --force').  Attention, this has a high 'shoot your own foot' possibility.  Configu-
	      ration Item: replacefiles

       -c [config file]
	      Specifies the config file location.

       -d [number]
	      Sets the debugging level to [number] - turns up or down the amount of  things  that
	      are printed.

       -e [number]
	      Sets  the  error level to [number] 0 - 10. 0 means print only critical errors about
	      which you must be told. 1 means print all errors, even ones  that  are  not  overly
	      important. 1+ means print more errors (if any) -e 0 is good for cron jobs.

       -t     Tells  yum  to be tolerant of errors on the command line with regard to packages on
	      the commandline. For example: if you request to install foo, bar and baz and baz is
	      installed; yum won't error out complaining that baz is already installed.

       -R [time in minutes]
	      Sets the maximum amount of time yum will wait before performing a command - it ran-
	      domizes over the time.

       -C     Tells yum to run entirely from cache - does not  download  or  update  any  headers
	      unless it has to to perform the requested action.

LIST OPTIONS
       The following are the ways which you can invoke yum in list mode.  Note that all list com-
       mands include information on the version of the package.

       yum list [available]
	      list all packages in the yum repositories available to be installed.

       yum list updates
	      list all packages with updates available in the yum repositories.

       yum list [args]
	      list the packages specified by args.  If an argument does not match the name  of	a
	      package, it is assumed to be a shell-style glob and any matches are printed.

       yum list installed
	      list  the packages specified by args.  If an argument does not match the name of an
	      available package, it is assumed to be a	shell-style  glob  and	any  matches  are
	      printed.

       yum list extras
	      list the packages installed on the system that are not available in any yum reposi-
	      tory listed in the config file.

CLEAN OPTIONS
       The following are the ways which you can invoke yum in clean mode.

       yum clean packages
	      Eliminate any cached packages from the system.  Note that packages are not automat-
	      ically deleted after they are downloaded.

       yum clean headers
	      Eliminate  all of the files which yum uses to determine the remote availablility of
	      packages. Using this option will force yum to download all  the  headers	the  next
	      time it is run.

       yum clean oldheaders
	      Eliminate  the  old headers that yum no longer needs to determine the remote avail-
	      ablility of packages.

       yum clean [all]
	      Runs yum clean packages and yum clean oldheaders as above.

MISC
       Proxy configuration
	      If you would like to use a proxy with yum you can simply set  a  shell  environment
	      variable	 of   http_proxy.   Set   it   to   the   url	for   your   proxy.   Ex:
	      "http://your_proxy:port/"

FILES
       /etc/yum.conf
       /var/cache/yum/

SEE ALSO
       yum-arch (8), yum.conf (5)

AUTHORS
       Seth Vidal <skvidal@phy.duke.edu>

BUGS
       There of course aren't any bugs, but if you find any, they should be sent to  the  mailing
       list: yum@dulug.duke.edu

Seth Vidal				    2002 Jun 8					   yum(8)
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