[Malukko@localhost ~]$ su
Palavra passe: 
[root@localhost Malukko]# yum install gdb
Loading "installonlyn" plugin
Setting up Install Process
Setting up repositories
Reading repository metadata in from local files
Parsing package install arguments
Resolving Dependencies
--> Populating transaction set with selected packages. Please wait.
---> Downloading header for gdb to pack into transaction set.
gdb-6.5-16.el5.i386.rpm   100% |=========================|  54 kB    00:00     
---> Package gdb.i386 0:6.5-16.el5 set to be updated
--> Running transaction check

Dependencies Resolved

=============================================================================
 Package                 Arch       Version          Repository        Size 
=============================================================================
Installing:
 gdb                     i386       6.5-16.el5       base              3.1 M

Transaction Summary
=============================================================================
Install      1 Package(s)         
Update       0 Package(s)         
Remove       0 Package(s)         

Total download size: 3.1 M
Is this ok [y/N]: y
Downloading Packages:
(1/1): gdb-6.5-16.el5.i38 100% |=========================| 3.1 MB    00:02     
warning: rpmts_HdrFromFdno: Header V3 DSA signature: NOKEY, key ID e8562897
Importing GPG key 0xE8562897 "CentOS-5 Key (CentOS 5 Official Signing Key) <centos-5-key@centos.org>" from http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5
Is this ok [y/N]: y
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing: gdb                          ######################### [1/1] 

Installed: gdb.i386 0:6.5-16.el5
Complete!
[root@localhost Malukko]#