reformat existing ubuntu
28970
How to completely remove and reinstall Ubuntu?
98981
How do I resize my partition in Ubuntu?
130437
Can I erase all partitions including EFI and install only Ubuntu?
1901
Partitioning: Shrink Ubuntu (extended), Expand Windows
69200
How do I reinstall Ubuntu Software in Ubuntu 20.04 LTS version?
122007
Dual boot. How do I reinstall the Ubuntu partition?
102366
How to wipe and install ubuntu?
33228
Change Linux Mint to Ubuntu
8745
Replace one Ubuntu with another from USB pen drive
32176
How do I remove my Ubuntu partition from Windows 7 and reuse the space?
11143
How to move Ubuntu installation from one hdd to another?
413
How do I install Ubuntu?
58888
Change Ubuntu 17.04 to Ubuntu 16.04.2 LTS
112851
How to move /usr to a new partition?
87297
Does upgrading Ubuntu respect my existing partitions?
59101
Reinstalling Ubuntu with a dual boot
84319
Build my own Ubuntu ISO