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# 1. 设置代理(指向你的 Mac IP,这里假设是 192.168.0.105)
export http_proxy=http://192.168.0.105:7897
export https_proxy=http://192.168.0.105:7897

# 2. 导入 ELRepo 仓库公钥
rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org

# 3. 安装 ELRepo 源
yum install -y https://www.elrepo.org/elrepo-release-7.el7.elrepo.noarch.rpm

# 4. 安装 6.x 稳定版内核
yum --enablerepo=elrepo-kernel install -y kernel-ml