Hi Following amd64 upgrade from stretch to buster on both a vaio laptop and an asus desktop,command <shutdown> disappeared, while a severe bug arose with dpkg that breaks upgrade/install
pkg: warning: 'ldconfig' not found in PATH or not executable > dpkg: warning: 'start-stop-daemon' not found in PATH or not executable > dpkg: error: 2 expected programs not found in PATH or not executable > Note: root's PATH should usually contain /usr/local/sbin, /usr/sbin and > /sbin > E: Sub-process /usr/bin/dpkg returned an error code (2) > francesco pietra