I had a power failure on my laptop, so I ended up crashing in the middle of a package installation. How do I fix this error?
jrg@atlantis:~$ sudo apt-get upgrade --fix-missing Reading package lists... Done Building dependency tree Reading state information... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 1 not fully installed or removed. After this operation, 0 B of additional disk space will be used. Do you want to continue [Y/n]? Y debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable Setting up man-db (2.6.3-1) ... debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable dpkg: error processing man-db (--configure): subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing: man-db E: Sub-process /usr/bin/dpkg returned an error code (1) jrg@atlantis:~$