I want to install
postfix but I have been trying for hours to debug this error message:
The following NEW packages will be installed: postfix 0 upgraded, 1 newly installed, 0 to remove and 394 not upgraded. 1 not fully installed or removed. Need to get 0 B/1,270 kB of archives. After this operation, 3,185 kB of additional disk space will be used. debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable (Reading database ... 152186 files and directories currently installed.) Unpacking postfix (from .../postfix_2.9.3-2~12.04.3_i386.deb) ... debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable dpkg: error processing /var/cache/apt/archives/postfix_2.9.3-2~12.04.3_i386.deb (--unpack): subprocess new pre-installation script returned error exit status 1 Errors were encountered while processing: /var/cache/apt/archives/postfix_2.9.3-2~12.04.3_i386.deb E: Sub-process /usr/bin/dpkg returned an error code (1)
Could someone help ?