apt-listchanges: Reading changelogs… Extracting templates from packages: 100% Preconfiguring packages … dpkg: 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)
出现上面的错误一般是环境变量出现了错误
重置一下默认系统变量即可
vi ~/.bashrc
export PATH=/sbin:/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
source ~/.bashrc