[root@test ~]# yum update
Loaded plugins: fastestmirror, presto
Loading mirror speeds from cached hostfile
* base: ftp.tlk-l.net
* extras: ftp.tlk-l.net
* rpmforge: mirror.atrpms.net
* updates: ftp.tlk-l.net
Error: database disk image is malformed
Лечение:
[root@test ~]# yum clean all
Loaded plugins: fastestmirror, presto
Cleaning repos: base extras rpmforge updates
Cleaning up Everything
Cleaning up list of fastest mirrors
1 delta-package files removed, by presto