# DHCP server and TFTP server sudo apt-get install isc-dhcp-server sudo vi /etc/default/isc-dhcp-server sudo vi /etc/dhcp/dhcpd.conf sudo systemctl restart isc-dhcp-server sudo systemctl status isc-dhcp-server https://download.qemu.org/ sudo apt-get upgrade sudo apt-get install openssh-server Enable the ssh service by typing: sudo systemctl enable ssh ## OR enable and start the ssh service immediately ## sudo systemctl enable ssh --now Start the ssh service by typing: sudo systemctl start ssh 架設 tftp server 在 Ubuntu 環境](https://yulun.me/2016/setup-tftp-server-on-ubuntu/)