debconf: unable to initialize frontend: Dialog debconf: (Dialog frontend will not work on a dumb terminal, an emacs shell buffer, or without a controlling terminal.) debconf: falling back to frontend: Readline Preconfiguring packages ... (Reading database ... (Reading database ... 192278 files and directories currently installed.) Preparing to replace nfs-common 1:1.0.9-2ubuntu1 (using .../nfs-common_1%3a1.0.12-4_i386.deb) ... Unpacking replacement nfs-common ... (Reading database ... (Reading database ... 192277 files and directories currently installed.) Removing libnfsidmap1 ... Selecting previously deselected package libnfsidmap2. (Reading database ... (Reading database ... 192272 files and directories currently installed.) Unpacking libnfsidmap2 (from .../libnfsidmap2_0.18-0build1_i386.deb) ... Selecting previously deselected package command-not-found-data. Unpacking command-not-found-data (from .../command-not-found-data_0.2.3_i386.deb) ... Selecting previously deselected package command-not-found. Unpacking command-not-found (from .../command-not-found_0.2.3_all.deb) ... Selecting previously deselected package popularity-contest. Unpacking popularity-contest (from .../popularity-contest_1.39ubuntu5_all.deb) ... Selecting previously deselected package ubuntu-standard. Unpacking ubuntu-standard (from .../ubuntu-standard_1.43_i386.deb) ... Preparing to replace nfs-kernel-server 1:1.0.9-2ubuntu1 (using .../nfs-kernel-server_1%3a1.0.12-4_i386.deb) ... Unpacking replacement nfs-kernel-server ... Setting up postfix (2.3.8-2) ... debconf: unable to initialize frontend: Dialog debconf: (Dialog frontend will not work on a dumb terminal, an emacs shell buffer, or without a controlling terminal.) debconf: falling back to frontend: Readline hostname: Unknown host hostname: Unknown host update-rc.d: /etc/init.d/postfix: file does not exist dpkg: error processing postfix (--configure): subprocess post-installation script returned error exit status 1 dpkg: dependency problems prevent configuration of mailx: mailx depends on postfix | mail-transport-agent; however: Package postfix is not configured yet. Package mail-transport-agent is not installed. Package postfix which provides mail-transport-agent is not configured yet. dpkg: error processing mailx (--configure): dependency problems - leaving unconfigured Setting up libnfsidmap2 (0.18-0build1) ... Setting up nfs-common (1.0.12-4) ... rver_1%3a1.0.12-4_i386.deb) ... Installing new version of config file /etc/init.d/nfs-common ... * Stopping NFS common utilities ...done. * Starting NFS common utilities Setting up command-not-found-data (0.2.3) ... Setting up command-not-found (0.2.3) ... Setting up popularity-contest (1.39ubuntu5) ... Setting up ubuntu-standard (1.43) ... Setting up nfs-kernel-server (1.0.12-4) ... r, or without a controlling terminal.) Installing new version of config file /etc/init.d/nfs-kernel-server ... Replacing config file /etc/default/nfs-kernel-server with new version * Stopping NFS kernel daemon * Unexporting directories for NFS kernel daemon... * Exporting directories for NFS kernel daemon... * Starting NFS kernel daemon Errors were encountered while processing: postfix mailx ERROR:root:SystemError from cache.commit(): E:Sub-process /usr/bin/dpkg returned an error code (1) evaling if we need to auto_clear... acr: true and 1.9230769230769231 > 90 acd: true and 0.3412969283276451 > 90 r, or without a controlling terminal.) acr: true and 3.8461538461538463 > 90 acr: true and 4.487179487179487 > 90 acr: true and 6.4102564102564115 > 90 acr: true and 6.4102564102564115 > 90 acr: true and 13.461538461538463 > 90 acd: true and 2.04778156996587 > 90 ** Message: GetValue variable 1 (1) ** Message: GetValue variable 2 (2) ** Message: GetValue variable 1 (1) ** Message: GetValue variable 2 (2) ** Message: GetValue variable 1 (1) ** Message: GetValue variable 2 (2) acr: true and 14.102564102564106 > 90 acr: true and 14.743589743589745 > 90 acd: true and 2.3890784982935154 > 90 acr: true and 15.384615384615385 > 90 acr: true and 17.30769230769231 > 90 acr: true and 18.58974358974359 > 90 acr: true and 19.230769230769234 > 90 acr: true and 19.871794871794872 > 90 acr: true and 20.512820512820515 > 90 acr: true and 4.487179487179487 > 90 acd: true and 0.3412969283276451 > 90 update-manager: Fatal IO error 9 (Bad file descriptor) on X server :0.0. Setting up postfix (2.3.8-2) ... hostname: Unknown host hostname: Unknown host update-rc.d: /etc/init.d/postfix: file does not exist dpkg: error processing postfix (--configure): subprocess post-installation script returned error exit status 1 dpkg: dependency problems prevent configuration of mailx: mailx depends on postfix | mail-transport-agent; however: Package postfix is not configured yet. Package mail-transport-agent is not installed. Package postfix which provides mail-transport-agent is not configured yet. dpkg: error processing mailx (--configure): dependency problems - leaving unconfigured