Ubuntu 14.04 Encounters "installed post-installation script returned error number 127" Problem resolution

Due to the poor network, the installation of the OpenSSH when the interruption, the reinstallation encountered a problem with the title.

Do not bother to pack, directly update dpkg installed software configuration information (/var/lib/dpkg/info). Action steps are as follows:

1. Backup the/var/lib/dpkg/info directory

sudo mv/var/lib/dpkg/info/var/lib/dpkg/info_backup

2. New Empty Info Directory

sudo mkdir/var/lib/dpkg/info

3. Update installation software

sudo apt-get install update

sudo apt-get-f Install

4. Move the new file under info to the backup directory

sudo mv/var/lib/dpkg/info/*/var/lib/dpkg/info_backup

5. Restore Info Directory Name

sudo rm-rf/var/lib/dpkg/info

sudo mv/var/lib/dpkg/info_backup/var/lib/dpkg/info

6. Reinstall the required software

sudo apt-get install xxx

There is no longer an error in the header