post_install() { id kvmd-webterm &>/dev/null || useradd -r -m -c "Pi-KVM - Web terminal (ttyd)" -s /bin/bash kvmd-webterm (groupmems -l -g kvmd-webterm | grep kvmd-nginx >/dev/null) || groupmems -g kvmd-webterm -a kvmd-nginx } post_remove() { userdel -r kvmd-webterm &>/dev/null }