Tag: yum
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CentOS下yum Error 21问题及解决方案。
执行yum update时出现： error: db5 error(21) from dbenv->open: Is a directory error: cannot open Packages index using db5 – Is a directory (21) error: cannot open Packages database in /var/lib/rpm CRITICAL:yum.main: Error: rpmdb open failed 原因是RPM数据库损坏，重建即可。 执行： cd /var/lib/rpm/ for i in `ls | grep ‘db.’`;do mv $i $i.bak;done rpm –rebuilddb yum clean all