System Version: Ubuntu 16.04.2 LTS
Problem Description: After landing early in the morning to go to work to update Ali goes backstage to see a lot of loopholes out, first thoughts were quickly repaired, stepped on a pit, apt-get update && apt-get install libplexus-utils-java --only -upgrade use the command to update the software prompts the following information
Error message:
Errors were encountered while processing:
mysql-server-5.7
openssh-server
ssh
rsync
mysql-server
nscd
E: Sub-process /usr/bin/dpkg returned an error code (1)
The solution: before the operation in advance / var / lib / dpkg / info / backup directory, delete the directory under the above error corresponding to service all of the files, re-execute the update operation to succeed