Wiregaurd 

Installation 

This installation for Ubuntu

sudo apt install wireguard

sudo apt install openresolv

lab209_riscv is a config file

Use sudo cp -r command to copy lab209_riscv.conf to /etc/wiregaurd/

To open wiregaurd use the command below

wg-quick up lab209_riscv

To quit wiregaurd use the command below

wg-quick down lab209_riscv

Tip

If you cannot connect to server, change AllowedIPs = 192.168.1.178/32, then restart wiregaurd. Change domain vlsi.doelab.site to 192.168.1.178
If you accidentally copy wrong config file to /etc/wiregaurd/, just uninstall wireguard, then use sudo -i to direct to /etc/ and delete all wiregaurd name. After that reinstall wiregaurd and copy config file again.

sudo apt remove wireguard

sudo apt autoclean && sudo apt autoremove

Open remmina and connect to server.
Open terminal (Ubuntu/Centos7).
Invoke command passwd.
Type your current password and new password.
Disconnect server, go to edit and type your new passoword, then reconnect to server.

Ubuntu version

sudo apt-add-repository ppa:remmina-ppa-team/remmina-next

sudo apt install remmina remmina-plugin-rdp remmina-plugin-secret

Tip

When in Remote connection profile, set resolution to client to get the best view.