Reinstalling Packages on CentOS or RHEL Raw

Installed package lists are kept in `/var/log/rpmpkgs`.

    cpĀ /var/log/rpmpkgsĀ /backups/packages

Reinstall with

    yumĀ installĀ $(sedĀ 's/-[0-9].*.rpm$//g'Ā /backups/packagesĀ |Ā trĀ '\n'Ā 'Ā ')