Fedora 18 upgrade Fedora 19

Upgrade Fedora 19 from Fedora 18.

1. Specify the yum source and upgrade it with the built-in upgrade tool.

Fedup-cli -- network 19 -- debuglog fedupdebug. log -- instrepo = http://mirrors.163.com/fedora/releases/19/Fedora/x86_64/ OS/

2. After downloading the update package, you will be prompted to restart and reboot to restart.

3. After the instance is restarted, update the system. Press ESC to view the update process.

4. Clear boot and junk data after updating

Fedup -- resetbootloader

Fedup -- clean

5. Update to the latest data packet

Yum clean all

Yum distro-sync

6. Clear the old Kernel

Package-cleanup -- oldkernel -- count 1

7. reinstall the grub2 boot program

Yum reinstall greub2 *

Grub2-mkconfig-o/boot/grub2/grub. cfg

8. Restart