E: Sub-process /usr/bin/dpkg returned an error code (1)

dpkg: error processing package telnetd (--remove):
 subprocess installed pre-removal script returned error exit status 127
/var/lib/dpkg/info/telnetd.postinst: 41: /var/lib/dpkg/info/telnetd.postinst: update-inetd: not found
dpkg: error while cleaning up:
 subprocess installed post-installation script returned error exit status 127
Errors were encountered while processing:
 telnetd
E: Sub-process /usr/bin/dpkg returned an error code (1)

处理：

cd /var/lib/dpkg
mv info info_bak
mkdir info