Difference between um update versus yum upgrade


 
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Old 01-22-2010
Difference between um update versus yum upgrade

Hi,

I notice that CENTOS has a yum upgrade and update option. The man pages say that upgrade is the same as update with the obsolete option on. What is the obsolete option? I do not really understand the man page's description of it.

Thanks
 
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yum-updatesd.conf(5)					  yum-updatesd configuration file				      yum-updatesd.conf(5)

NAME
yum-updatesd.conf - Configuration file for yum-updatesd(8). DESCRIPTION
yum-updatesd uses a configuration file at /etc/yum/yum-updatesd.conf. Additional configuration information is read from the main yum.conf (5) configuration file. PARAMETERS
There is one section in the yum-updatesd configuration file, main, which defines all of the global configuration options. [main] OPTIONS The [main] section must exist for yum-updatesd to do anything. It consists of the following options: run_interval Number of seconds to wait between checks for available updates. updaterefresh Minimum number of seconds between update information refreshes to avoid hitting the server too often. emit_via List of ways to emit update notification. Valid values are `email', `dbus' and `syslog'. do_update Boolean option to decide whether or not updates should be automatically applied. Defaults to False. do_download_deps Boolean option to decide whether or not updates should be automatically downloaded. Defaults to False. do_download_deps Boolean option to automatically download dependencies of packages which need updating as well. Defaults to False. MAIL OPTIONS
email_to List of email addresses to send update notification to. Defaults to `root@localhost'. email_from Email address for update notifications to be from. Defaults to `yum-updatesd@localhost'. SYSLOG OPTIONS
syslog_facility What syslog facility should be used. Defaults to `DAEMON'. syslog_level Level of syslog messages. Defaults to `WARN'. FILES
/etc/yum/yum-updatesd.conf SEE ALSO
yum-updatesd(8) yum.conf(5) Jeremy Katz yum-updatesd.conf(5)