query abt yum

[sylvan dacounha]

Dear All,
   
  Thanks a lot for ur quick reply 
  do appreciate
   
  btw let me be a more clear
   
  i am using CENTOS 4 and would like to install clamav antivrus using yum
   
  i can download n install it but i would like to do it with yum n other software directly from internet
   
  when i run ---  yum install clamav 
   
  i get the followin message

 Setting up Install Process
 Setting up repositories
 update 100% |=========================| 951 B 00:00
 base 100% |=========================| 1.1 kB 00:00
 addons 100% |=========================| 951 B 00:00
 extras 100% |=========================| 1.1 kB 00:00
 Reading repository metadata in from local files
 Parsing package install arguments
 No Match for argument: clamav
 Nothing to do

  so how do i install software from the internet using yum 

 appreciate your help

 thnks and reagrds

 simon


       
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