Use zsync to quickly upgrade your ISO to Ubuntu11.10 official version

Codenamed Ubuntu11.10 is coming soon. Many Ubuntu fans may have been unable to cope with the excitement of welcoming the new version at the moment. They are on Google's official version of Ubuntu11.10. In fact, this is not necessary. If you have downloaded the ISO of the BETA version of Ubuntu11.10, such as BETA or RC, you can use zsync to quickly upgrade your ISO file to the official version of Ubuntu11.10. Zsync code: Ubuntu 11.10 is about to be released today. Many Ubuntu fans may not be able to cope with the excitement of the new version at the moment. Google's official Ubuntu 11.10 version. In fact, this is not necessary. If you have downloaded the ISO version of Ubuntu 11.10, such as BETA or RC, you can use zsync to quickly upgrade your ISO file to the official Ubuntu 11.10 version.

Zsync allows you to quickly upgrade the ISO image file of Ubuntu 11.10 with a small amount of data communication, allowing you to experience the new version of Ubuntu 11.10 faster. This reduces the traffic pressure on the backup storage.

Use apt to install zsync
Apt-get install zsync

Go to the downloaded ISO directory.

[Root @ www ~] # Cd ubuntu/
[Root @ www ubuntu] # ls
Oneiric-desktop-i386.iso

Use zsync to upgrade ISO. Ensure that the file names are consistent.

Zsync http://cdimage.ubuntu.com/daily-live/current/oneiric-desktop-i386.iso-I oneiric-desktop-i386.iso

Zsync starts to compare different data to upgrade ISO.

After the upgrade to the ISO of Ubuntu 11.10 is completed in minutes, the ISO file of Ubuntu 11.10 is available in the directory.

[Root @ www ubuntu] # ll
Total 1425360
-Rw-r -- 1 root 729067520 Oct 11 oneiric-desktop-i386.iso
-Rw ------- 1 root 729067520 Oct 12 ubuntu-11.10-desktop-i386.iso
[Root @ www ubuntu] #
[Root @ www ubuntu] # md5sum oneiric-desktop-i386.iso
Oneiric-desktop-i386.iso cc3f01df904da8e774fa04d289348543
[Root @ www ubuntu] # md5sum ubuntu-11.10-desktop-i386.iso
Cda-dd0f97bd122691bdb92d7e68fde5 ubuntu-11.10-desktop-i386.iso