也就是说,你配置了太多的目标软件仓库库,导致yum在寻找的时候发生了混乱。果然,我查看了一下:
ls /etc/yum.repos.d
发现好多的*.repo,试着打开一个,看到就是类似与一个地址的配置。看到有两个貌似官方的配置文件,保留下来,其他的通通删除。
然后执行了yum clean all
OK,然后再执行yum -y update,我靠,成功了,就看着一直下载,等了N长的时间。
那边等边写了,yum不需要任何日常的维护,为了保证yum的操作速度,应当禁用或删除那些不再需要的仓库,可以删除yum缓存中的文件,从而节省硬盘空间。
禁用的方法可以在仓库的描述文件中设置enable=0,yum工具忽略包含这一设置的描述文件。
要彻底删除一个仓库,可以从/etc/yum.repos.d/目录中删除相关的文件,从/var/cache/yum中删除相关的缓存目录
默认情况下,yum保留它下载的软件包和软件信息文件,这样下次不用重新下载,要删除软件文件信息,使用命令:
yum clean headers
要删除缓存中所有的软件包,使用命令:
yum clean packages
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