教你快速搭建天问一休机（一） -- 修改软件仓库

【工欲善其事，必先利其器】

# yum install -y wget

# mkdir /etc/yum.repos.d/bak
# mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/bak

# wget -O /etc/yum.repos.d/CentOS-Base.repo
# wget -O /etc/yum.repos.d/epel.repo

# cat >> /etc/yum.repos.d/ceph.repo << EOF
[ceph]
name=ceph
baseurl=
gpgcheck=0

[ceph-noarch]
name=cephnoarch
baseurl=
gpgcheck=0

[ceph-source]
name=ceph-source
baseurl=
gpgcheck=0
EOF

# sed -i '/aliyuncs/d' /etc/yum.repos.d/CentOS-Base.repo

# sed -i 's/python/python2/' /usr/bin/yum
# sed -i 's/python/python2/' /usr/libexec/urlgrabber-ext-down

# yum clean all
# yum makecache
# yum repolist