CentOS下 Yum 損壞與重建

yum報錯error: rpmdb open failed

這種情況一般是由於rpm數據庫被損壞導致的，可按照下述方法重建yum數據庫：

1. cd /var/lib/rpm/
2. rm -rf __db.*
3. rpm –rebuilddb
4. yum clean all

 

yum 重建 用於無法恢復情況下：

1. cat /etc/issus
2. rpm -qa |grep release
3. arch

rpm -Uvh http://mirror.centos.org/centos/6/os/x86_64/Packages/centos-release-6-8.el6.centos.12.3.x86_64.rpm

 

rpm -Uvh http://repo.webtatic.com/yum/el6/latest.rpm

rpm -ivh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm

rpm -Uvh http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el7.rf.x86_64.rpm