# apt-get install xdeb
Reading package lists... Done
Building dependency tree... Done
xdeb is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
2 not fully installed or removed.
After this operation, 0B of additional disk space will be used.
Do you want to continue [Y/n]?
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = "en_US",
        LC_ALL = "en_US",
        LANG = "en_IN"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
Can not write log, openpty() failed (/dev/pts not mounted?)
Setting up postfix (2.7.1-1) ...
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = "en_US",
        LC_ALL = "en_US",
        LANG = "en_IN"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = "en_US",
        LC_ALL = "en_US",
        LANG = "en_IN"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = "en_US",
        LC_ALL = "en_US",
        LANG = "en_IN"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").

Postfix configuration was not changed.  If you need to make changes, edit
/etc/postfix/main.cf (and others) as needed.  To view Postfix configuration
values, see postconf(1).

After modifying main.cf, be sure to run '/etc/init.d/postfix reload'.

Running newaliases
 * Stopping Postfix Mail Transport Agent postfix                         [ OK ]
 * Starting Postfix Mail Transport Agent postfix                                start-stop-daemon: nothing in /proc - not mounted?
                                                                         [fail]
invoke-rc.d: initscript postfix, action "restart" failed.
dpkg: error processing postfix (--configure):
 subprocess installed post-installation script returned error exit status 1
configured to not write apport reports
dpkg: dependency problems prevent configuration of bsd-mailx:
 bsd-mailx depends on default-mta | mail-transport-agent; however:
  Package default-mta is not installed.
  Package postfix which provides default-mta 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 bsd-mailx (--configure):
 dependency problems - leaving unconfigured
Processing triggers for libc-bin ...
configured to not write apport reports
ldconfig deferred processing now taking place
Errors were encountered while processing:
 postfix
 bsd-mailx
E: Sub-process /usr/bin/dpkg returned an error code (1)