Ubuntu 18.04.4 LTS Hardware Enablement Stack (HWE)

 

sudo apt install --install-recommends linux-generic-hwe-18.04 xserver-xorg-hwe-18.04

set permanent dns

Edit /etc/systemd/resolved.conf, add this line:

DNS=192.168.1.1

or 

DNS=<what-u-want>

 

Then restart ubuntu.

Plural or single noun with multiple adjectives

 cf: https://english.stackexchange.com/questions/221331/plural-or-singular-noun-when-it-refers-to-two-things-in-a-list

The followings are right.

I have a left and a right arm.

I have left and right arms.

Everyone has left and right arms. [This is correct]

The followings are wrong.

I have an old and a new cars.

I have old and new car.