# yum update
Setting up Update Process
Setting up repositories
Reading repository metadata in from local files
Reducing ATrpms RHEL 4 - i386 - Testing to included packages only
Finished
Excluding Packages from CentOS-4 - Updates
Finished
Excluding Packages from CentOS-4 - Base
Finished
Reducing ATrpms RHEL 4 - i386 - Stable to included packages only
Finished
Reducing CentOS-4 - Plus to included packages only
Finished
Resolving Dependencies
--> Populating transaction set with selected packages. Please wait.
---> Package php-pear.noarch 1:1.5.0-3.jason.1 set to be updated
---> Package mod_ssl.i386 1:2.2.4-jason.4 set to be updated
---> Package httpd.i386 0:2.2.4-jason.4 set to be updated
---> Package php-ldap.i386 0:5.2.1-jason.2 set to be updated
---> Package php.i386 0:5.2.1-jason.2 set to be updated
---> Package pcre.i386 0:7.0-2.jason.1 set to be updated
---> Package mysql.i386 0:5.0.37-jason.1 set to be updated
---> Package httpd-manual.i386 0:2.2.4-jason.4 set to be updated
---> Package apr.i386 0:1.2.8-4.jason.1 set to be updated
---> Package mysql-server.i386 0:5.0.37-jason.1 set to be updated
---> Package mod_python.i386 0:3.2.8-3.1.jason.1 set to be updated
---> Package apr-util.i386 0:1.2.8-4.jason.1 set to be updated
---> Package mysql-devel.i386 0:5.0.37-jason.1 set to be updated
---> Package mod_perl.i386 0:2.0.2-6.1.jason.1 set to be updated
--> Running transaction check
--> Processing Dependency: php-common = 5.2.1-jason.2 for package: php-ldap
--> Processing Dependency: php-common = 5.2.1-jason.2 for package: php
--> Processing Dependency: perl(BSD::Resource) for package: mod_perl
--> Processing Dependency: php-cli = 5.2.1-jason.2 for package: php
--> Processing Dependency: php-cli for package: php-pear
--> Restarting Dependency Resolution with new changes.
--> Populating transaction set with selected packages. Please wait.
---> Package php-common.i386 0:5.2.1-jason.2 set to be updated
---> Package php-cli.i386 0:5.2.1-jason.2 set to be updated
--> Running transaction check
--> Processing Dependency: perl(BSD::Resource) for package: mod_perl
--> Finished Dependency Resolution
Error: Missing Dependency: perl(BSD::Resource) is needed by package mod_perl