CentOS Local Repo with Grouping

I have tested it in Virtual Box.   First put the dvd in to the cdrom. If the dvd do not automatically mounted then we need to create a directory to mount the dvd. Then make a directory like this: #[root@localhost ~] mkdir /media/CentOS_6.2_Final Then mount the dvd with this command: #[root@localhost ~] mount /dev/cdrom /media/CentOS_6.2_Final Then go to the Package directory by typing the command: #[root@localhost ~] cd /media/CentOS_6.2_Final/Package Now we need to install some rpm packages. Like this: #[root@localhost Package] rpm -ivh vsftpd-2.2.2-6.el6_0.1.i686.rpm #[root@localhost Package] rpm -ivh deltarpm-3.5-0.5.20090923git.el6.i686.rpm #[root@localhost Package] rpm -ivh python-deltarpm-3.5-0.5.20090923git.el6.i686.rpm #[root@localhost Package] rpm -ivh createrepo-0.9.8-4.el6.noarch.rpm Now we need to copy the directory CentOS_6.2_Final to /var/ftp/pub, so let’s do it. Note:  you must have 18GB virtual hard drive for that. #[root@localhost Package] cp -r -f /media/CentOS_6.2_Final /var/ftp/pub/ Now we need to edit the repository file. Now we will go to the yum.repos.d directory using this command: #[root@localhost Package] cd /etc/yum.repos.d/ #[root@localhost yum.repos.d] ll Now you will see three repo files. We need to change them. #[root@localhost yum.repos.d] mv CentOS-Base.repo CentOS-Base.repo.dis #[root@localhost yum.repos.d] mv CentOS-Debuginfo.repo CentOS- Debuginfo.repo.dis Now we need to edit the CentOS-Media.repo file with this command: #[root@localhost yum.repos.d] vi CentOS-Media.repo Press i from the keyboard to edit the file. Now you will see like this:   [c6-media] Name=CentOS-$releasever – Media Baseurl=file:///media/CentOS         file:///media/cdrom/        file:///media/cdrecoder/ gpgcheck=1 enabled=0 gpgkey=file:///etc/pki/RPM-GPG-KEY-CentOS-6   Now we going to change this like this: [c6-media] Name=CentOS-$releasever – Media Baseurl=file:///var/ftp/pub/CentOS_6.2_Final #       file:///media/cdrom/ #       file:///media/cdrecoder/ gpgcheck=1 enabled=1 gpgkey=file:///etc/pki/RPM-GPG-KEY-CentOS-6        file:/// var/ftp/pub/CentOS_6.2_Final/RPM-GPG-KEY-CentOS-6   Now press Esc and type :wq to save the file. Now we need to create a repository file. To do that we will go “CentOS_6.2_Final” directory. And create a repository file. It will take a few minutes. Type this command: #[root@localhost yum.repos.d] cd /var/ftp/pub/CentOS_6.2_Final #[root@localhost CentOS_6.2_Final] createrepo . Note.The last command is “createrepo  .” After creating the repo file we need to update the yum. Type this commands: [root@localhost CentOS_6.2_Final] yum clean all [root@localhost CentOS_6.2_Final] yum update [root@localhost CentOS_6.2_Final] yum list To test type the following commands: [root@localhost CentOS_6.2_Final] yum install httpd* It will ask your permission to import the gpgkey file: y/n Type: y It will ask your permission to install the rpm packages: y/n Type : y If it runs successfully then everything is ok.    now i put the file comps.xml to /var/ftp/pub and usged this command #[root@localhost CentOS_6.2_Final] craterepo . -g comps.xml /var/ftp/pub/CentOS_6.2_Final but when i type #[root@localhost CentOS_6.2_Final] yum grouplist it says like that Error: No group data available for configured repositories. now can you tell me what is worng. and please visit this link https://www.centos.org/modules/newbb/viewtopic.php?post_id=162082&topic_id=37116&forum=56#forumpost162082