I recently installed kali Linux and keep getting an error code starting metasploit this is the code [...] Starting PostgreSQL 9.1 database server: main[...] Error: could not exec /usr/lib/postgresql/9.1/bin/pg_ctl /usr/lib/postgresql/9.1/bin/pg_ctl start -D /var/lib/postgresql/9.1/main -l /var/log/postgresql/postgresql-9.1-main.log -s -[FAILconfig_file=/etc/postgresql/9.1/main/postgresql.conf: ... failed!failed!Would really appreciate a solution been stuck for awhile.  
Kali Linux Postgresql Error
kali linux;postgresql