无法在Ubuntu上安装Postgresql 10

我正在执行此命令以在我的ubuntu 14.04中安装postgesql

sudo apt-get install postgresql postgresql-contrib

安装过程中出现错误：

Failed to issue method call: Unit [email protected] failed to load: No such file or directory. See system logs and 'systemctl status [email protected]' for details

这是完整的日志：

Creating config file /etc/postgresql-common/createcluster.conf with new version
Building PostgreSQL dictionaries from installed myspell/hunspell packages...
  en_us
Removing obsolete dictionary files:
 * No PostgreSQL clusters exist; see "man pg_createcluster"
Processing triggers for ureadahead (0.100.0-16) ...
Setting up postgresql-10 (10.1-1.pgdg14.04+1) ...
Creating new PostgreSQL cluster 10/main ...
/usr/lib/postgresql/10/bin/initdb -D /var/lib/postgresql/10/main --auth-local peer --auth-host md5
The files belonging to this database system will be owned by user "postgres".
This user must also own the server process.

The database cluster will be initialized with locale "en_IN".
The default database encoding has accordingly been set to "UTF8".
The default text search configuration will be set to "english".

Data page checksums are disabled.

fixing permissions on existing directory /var/lib/postgresql/10/main ... ok
creating subdirectories ... ok
selecting default max_connections ... 100
selecting default shared_buffers ... 128MB
selecting dynamic shared memory implementation ... posix
creating configuration files ... ok
running bootstrap script ... ok
performing post-bootstrap initialization ... ok
syncing data to disk ... ok

Success. You can now start the database server using:

    /usr/lib/postgresql/10/bin/pg_ctl -D /var/lib/postgresql/10/main -l logfile start

Ver Cluster Port Status Owner    Data directory              Log file
10  main    5432 down   postgres /var/lib/postgresql/10/main /var/log/postgresql/postgresql-10-main.log
update-alternatives: using /usr/share/postgresql/10/man/man1/postmaster.1.gz to provide /usr/share/man/man1/postmaster.1.gz (postmaster.1.gz) in auto mode
 * Starting PostgreSQL 10 database server                                                                                                               * Failed to issue method call: Unit [email protected] failed to load: No such file or directory. See system logs and 'systemctl status [email protected]' for details.
                                                                                                                                                [fail]
invoke-rc.d: initscript postgresql, action "start" failed.
dpkg: error processing package postgresql-10 (--configure):
 subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of postgresql:
 postgresql depends on postgresql-10; however:
  Package postgresql-10 is not configured yet.

dpkg: error processing package postgresql (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of postgresql-contrib:
 postgresql-contrib depends on postgresql-contrib-10; however:
  Package postgresql-contrib-10 is not installed.
  Package postgresql-10 which provides postgresql-contrib-10 is not configured yet.

dpkg: error processing package postgresql-contrib (--configure):
 dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
                                                                                                          No apport report written because the error message indicates its a followup error from a previous failure.
                                                             Errors were encountered while processing:
 postgresql-10
 postgresql
 postgresql-contrib

这是输出 systemctl status [email protected]

ajit@AjitSoman:~$ systemctl status [email protected]
Failed to issue method call: No such interface 'org.freedesktop.DBus.Properties' on object at path /org/freedesktop/systemd1/unit/postgresql_4010_2dmain_2eservice