Linux: Dual-boot on Dell tower: Install Linux

[last updated: 2019-10-19]
go to: Linux home page
go to: dual-boot - create USB stick
go to: dual-boot - USB testing
go to: dual-boot - Prepare to Install
go to: dual-boot - Next Steps
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• Now Install Linux:
• Boot up with the live USB stick you created
• Click on Install Linux icon on desktop
  follow prompts to select language etc.
• ignored screen asking about third-party software, ie, did not enter a password.
• In Installation Type window:
  select something else
• [note there are other ways to do this, but this is the procedure I used]
• Create root partition:
• select largest "free space" line, and press "+"
• enter 20000mb
• partition type: logical
  partition location: beginning of this space
• use as: ext4 journaling file system
• mount point: /
• OK
• Create swap partition:
• if RAM < 2gb: swap = 2 x RAM
• if RAM 2 - 4gb: swap = RAM + 2gb
• if RAM 6 - 8gb: swap = RAM     This one: swap = 8000mb
• if RAM > 8gb: swap = RAM / 2
• For system with more than 8 GB of RAM and SSD, less swap is better.
• Create Home partition:
• Make it as large as possible
• Click Install Now:
  follow prompts for language, password, etc.
• done. restart computer.
• Test:
First try failed wifi connection. Suspect drivers need to be updated per itsFoss below. Will attempt that as soon as I get long enough Ethernet cable to make a wired connection to internet...
• test HD access: successful, open File Manager, under Devices - OS
  OTOH I can't edit, as files open read-only mode.
  Trying to reset permissions...
• test wifi access - printer, internet: Failed but see workaround by using a wifi dongle here
• test USB access - Arduino, external HD: assume successful; plugging in a USB stick was seen & read OK

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