Step-by-step – Ubuntu 20.10 New Kernel Offline Installation

Installing

2. 2. Downloading Kernel Packages

   Download New Kernel Packages for Ubuntu GNU/Linux

   Get New Kernel .deb for Ubuntu

   Get New Kernel Packages for Ubuntu

   For the 5.x Versions Grab the following Packages:

   • linux-image*.deb
   • linux-headers*.deb
   • linux-headers*all.deb
   • linux-modules*.deb

   In case Choose between the generic and lowlatency Flavors.
   For the Legacy 4.x or older adapt the choice in base of availability.
   When in doubt about the Right Kernel Version just choose someone close to the one Currently, installed.

3. 3. Installing New Kernel Offline

   Then to Set up New Kernel Offline on Ubuntu
   Fist, make the Target Directory:

   mkdir ~/Downloads/linux

   Then Copy the downloaded Stuff into the Folder by the File Manager or on CLI with:

   cp /[path/2/USB]/*.deb ~/Downloads/linux

   But if you are in Trouble to Find it out on Terminal then See: How to Access USB Device.
   Then access the Target:

   cd ~/Downloads/linux

   To Check that there is run:

   ls . | grep linux

   The grep Command Refine the output List showing only the entries Matching the Keyword.
   And then to Setup New Linux Kernel play:

   sudo dpkg -i ./linux*.deb

   Authenticate with the User Admin Pass.
   If Got “User is Not in Sudoers file” then see: How to Enable sudo.
   Finally, Reboot to load it:

   sudo reboot

   But in any case to Remove it, Boot with your former Kernel and then Query the Packages Database with:

   aptitude search '~i!~M' | grep linux

   In the Output you’ll find Trace of the Package Names.
   Then to Copy use Select and Right-Click or Ctrl+Shift+c.
   Next the Deleting Command is resumed in:

   sudo apt purge [MYPACK1] [MYPACK2] [MYPACK3] [MYPACK4]

   Again the Right-Click or Ctrl+Shift+v to Paste in the Identifiers.

   

Congratulations, you can now Ride a New Ubuntu 20.10 Kernel!