[root@insanity ~]# yum install httpd-devel
Loading "installonlyn" plugin
Loading "repolist" plugin
Loading "downloadonly" plugin
Loading "protectbase" plugin
Setting up Install Process
Setting up repositories
Reading repository metadata in from local files
148 packages excluded due to repository protections
Parsing package install arguments
Resolving Dependencies
--> Populating transaction set with selected packages. Please wait.
---> Downloading header for httpd-devel to pack into transaction set.
httpd-devel-2.2.3-7.el5.c 100% |=========================|  16 kB    00:00     
---> Package httpd-devel.i386 0:2.2.3-7.el5.centos set to be updated
--> Running transaction check
--> Processing Dependency: httpd = 2.2.3-7.el5.centos for package: httpd-devel
--> Processing Dependency: apr-devel for package: httpd-devel
--> Processing Dependency: apr-util-devel for package: httpd-devel
--> Restarting Dependency Resolution with new changes.
--> Populating transaction set with selected packages. Please wait.
---> Downloading header for apr-util-devel to pack into transaction set.
apr-util-devel-1.2.7-6.i3 100% |=========================| 9.4 kB    00:00     
---> Package apr-util-devel.i386 0:1.2.7-6 set to be updated
---> Downloading header for apr-devel to pack into transaction set.
apr-devel-1.2.7-11.i386.r 100% |=========================|  14 kB    00:00     
---> Package apr-devel.i386 0:1.2.7-11 set to be updated
---> Downloading header for httpd to pack into transaction set.
httpd-2.2.3-7.el5.centos. 100% |=========================|  54 kB    00:00     
---> Package httpd.i386 0:2.2.3-7.el5.centos set to be updated
--> Running transaction check

Dependencies Resolved

=============================================================================
 Package                 Arch       Version          Repository        Size 
=============================================================================
Installing:
 httpd-devel             i386       2.2.3-7.el5.centos  updates           146 k
Installing for dependencies:
 apr-devel               i386       1.2.7-11         base              237 k
 apr-util-devel          i386       1.2.7-6          base               54 k
 httpd                   i386       2.2.3-7.el5.centos  updates           1.1 M

Transaction Summary
=============================================================================
Install      4 Package(s)         
Update       0 Package(s)         
Remove       0 Package(s)         

Total download size: 1.5 M
Is this ok [y/N]: