Upgrade Kubuntu/Ubuntu using ISO (Without fresh install)
5882
How to upgrade Ubuntu from an ISO image
51364
Ubuntu to Kubuntu switch!
102851
Is it possible to install Wubi using the ISO?
139602
Create bootable USB drive from Linux ISO
8837
Is it possible to install Ubuntu without a CD or USB drive?
13107
How to install updates via command line?
24165
Upgrade to version newer than repositories
51751
How can I install Ubuntu without CD?
12578
How do I upgrade to a newer version of Ubuntu?
123413
Will apt-get dist-upgrade upgrade my system to a newer version?
14820
Is a clean install better than upgrading?
153476
Is there any way to use ubuntu to convert an ISO to DMG?
413
How do I install Ubuntu?
155370
How to download an ISO file for Ubuntu?
131741
How to upgrade Kali Linux
115856
Can I install Ubuntu from an ISO file on Windows?
120337
Is it possible to get Windows 10 upgrade as an ISO image (to make a bootable install disk from)?