not enough free space in /var/cache/apt/archives

[HLing]

I think the most "friendly" way would be using jumpdrive as you said and running gparted.
There should be two partitions for the blockdevice which is exposed over USB.
The first partition (about 115MB in size) is the boot partition. You want to resize the second partition which holds the root filesystem.

Btw: If I'm not mistaken the newer images do resize the filesystem on the first boot, so you could just flash it anew (remember to backup your /home if you have files in there that you do not want to lose)

Also: Feel free to ask for help here or come have a chat in the matrix channel. You can definitely find people there willing to help

Thank you, devrtz, for your kindness.  Do I have to format the 3rd partition into a particular file system first in order to resize the 2nd partition?  I think the 3rd partition is about 11 G. and is ext4.

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I keep putting off asking for help, have been looking on line for a solution to the various messages of "not enough disk space in file system root.." that comes up on my phone.  I have attempted to resize when I use Jumpdrive and then the disk utility or gparted on my desktop, but one time I think I wiped the wrong partition, and then despite reading and reading, I just don't have a clear idea of how to go about increasing the root file system without wiping everything.  I have the 7-17-20 image flashed to the EMMC. I'm now unable to update due to not enough free space in /var/cache/apt/archives for the 92.6MB of archives. 
Your help would be appreciated. I apologize for asking what must seem elementary to you all....

The wiki has one way to do it. I do something similar each time I flash an image. I usually use JumpDrive and dd the image from my RockPro64, then

Code:

sudo parted /dev/sda
resizepart
2
100%
quit
sudo resize2fs /dev/sda2

HEALTH WARNING - the specifics above currently work for me but come with no warranty of any kind!

just saw your reply, Dukla2000.  Thank you!  I will try it out. wish me luck!