1: bras 1): pkill l2tpd 2): bras start 2: su gedit /etc/yum.repos.d/sjtu.repo add the follow content: ################################ [Fedora-ftp.sjtu.edu.cn] name=Fedora 10 - i386 baseurl=http://ftp.sjtu.edu.cn/fedora/linux/releases/10/Fedora /i386/os/ enabled=1 gpgcheck=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-Fedora file:///etc/pki/rpm-gpg/RPM-GPG-KEY [Everything-ftp.sjtu.edu.cn] name=Everything 10 - i386 baseurl=http://ftp.sjtu.edu.cn/fedora/linux/releases/10/Everything/i386/os/ enabled=1 gpgcheck=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-Fedora file:///etc/pki/rpm-gpg/RPM-GPG-KEY [updates-ftp.sjtu.edu.cn] name=Fedora updates baseurl=http://ftp.sjtu.edu.cn/fedora/linux/updates/10/i386/ enabled=1 gpgcheck=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-Fedora file:///etc/pki/rpm-gpg/RPM-GPG-KEY ############################## yum makecache ###############################