Upgrade ubuntu 14.10 to 15.04 offline
12578
How do I upgrade to a newer version of Ubuntu?
113056
How to upgrade from 12.04 to 12.10 using CD?
13107
How to install updates via command line?
45526
How can I install packages without starting their associated services?
75663
Install Windows 10 updates on shutdown
129029
Where to get the full offline-capable installer for macOS Mojave (.1 update)?
97346
Is it possible to skip releases during an upgrade?
121201
Why can't I update applications without upgrading the whole OS?
9901
How to upgrade from 18.10 to 19.10, using the command line?
21323
Where can I download the latest release of Ubuntu?
153774
Upgrade to Ubuntu 13.10 from ISO image
72152
Upgrading 16.04 to 16.04.1
158674
How do I get `apt-get update` to work on a machine with no internet access and manually assigned IP address?
7580
How to safely upgrade from an older Ubuntu version to a newer one?
16837
Unable to upgrade from 14.04 to 14.10 "Cannot Calculate Upgrades"
16578
How to upgrade a single package using apt-get?
151605
upgrading from 15.10 to 16.04 apt not installed