如何在用光盘安装软件（试了几种方法好像不行）

8087980

头一次用FC 6,不知如何配制YUM 。
显示Cannot find a valid baseurl for repo: a_local

root@localhost yum.repos.d]# ls
fedora-cn.repo           fedora-extras-development.repo
fedora-cn.repo.backup    fedora-extras.repo
fedora-core.repo         fedora-legacy.repo
fedora-core.repo~        fedora-updates.repo
fedora-core.repo.backup  fedora-updates-testing.repo
fedora-development.repo

[root@localhost yum.repos.d]# more fedora-core.repo
[core]
name=Fedora Core $releasever - $basearch
#baseurl=http://download.fedora.redhat.com/pub/fedora/linux/core/$releasever/$ba
search/os/
mirrorlist=http://mirrors.fedoraproject.org/mirrorlist?repo=core-$releasever&arc
h=$basearch
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora file:///etc/pki/rpm-gpg/RPM-GP
G-KEY

[core-debuginfo]
name=Fedora Core $releasever - $basearch - Debug
#baseurl=http://download.fedora.redhat.com/pub/fedora/linux/core/$releasever/$ba
search/debug/
mirrorlist=http://mirrors.fedoraproject.org/mirrorlist?repo=core-debug-$releasev
er&arch=$basearch
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora file:///etc/pki/rpm-gpg/RPM-GP
G-KEY

fedora-core.repo内容如下
[core-source]
name=Fedora Core $releasever - Source
#baseurl=http://download.fedora.redhat.com/pub/fedora/linux/core/$releasever/sou
rce/SRPMS/
mirrorlist=http://mirrors.fedoraproject.org/mirrorlist?repo=core-source-$release
ver&arch=$basearch
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora file:///etc/pki/rpm-gpg/RPM-GP
G-KEY
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