Postgresql Upgrade in lower to higer(9.3 to 9.5)

1.lower version
pg_dumpall >full_dmp

2.to copy the dump higher version (9.3 to 9.5)

scp full_dup root@<higer_version>:/root

Note:- Before stop higher version take one full backup
3.stop the higer version database..

/etc/init.d/postgres 9.5 stop

4.mv the old cluster
 mv  /opt/postgres/9.5/data     /opt/postgres/9.5/data.old

 5.create one directory and change the postgres permission

 mkdir /9.5_new_data
 chown -R postgres:postgres /9.5_new_data
 chmod 700 data

 6.go to postgres user and create new cluster

 su - postgres

 cd /bin
 ./initdb -D /9.5_new_data

 7.same in bin to get postmaster.pid

 ./postgres -D /9.5_new_data

 8.retore the dump..
 psql -f /Backup/dumpfile.dmp