更換源方法如下:
在映象站首頁找到自己的linux版本(我的是centos 7.4),點選help。新開啟的網頁中詳細的說明了如何備份,如何更換映象源(在linux的terminal中):
1、備份
mv /etc/yum.repos.d/centos-base.repo /etc/yum.repos.d/centos-base.repo.backup
centos5:
wget -o /etc/yum.repos.d/centos-base.repo
centos6:
wget -o /etc/yum.repos.d/centos-base.repo
centos7:
wget -o /etc/yum.repos.d/centos-base.repo
3、之後執行yum makecache生成快取
yum clean allyum makecache
[errno 14] pycurl error 22 - "the requested url returned error: 404 not found" trying other mirror.
[errno 14] pycurl error 7 - "couldn't connect to host" trying other mirror.
[errno 256] no more mirrors to try.
有效的解決方法:
yum clean allrpm --rebuilddb
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