install wiregui client on ubuntu 22

sudo apt install wireguard wireguard-tools wireguard-dkms
sudo apt install resolvconf
sudo dpkg -i wiregui_1.8.1_amd64.deb
sudo mkdir /etc/wireguard
sudo cp yourConfig.conf /etc/wireguard/yourConfig.conf
sudo chmod 400 /etc/wireguard/yourConfig.conf

you can run by:

sudo wg-quick up yourConfig
sudo wg-quick down yourConfig

or use wiregui