sudo pkill -9 postgres

rm -rf ../primary ../standby ../new_path
rm -rf primary.log standby.log

./initdb -D ../primary

cat << EOF >> ../primary/postgresql.conf
wal_level = 'logical'
EOF

./pg_ctl -D ../primary -l primary.log start
./psql -d postgres -c "CREATE table t1 (c1 int);"
./psql -d postgres -c "Insert into t1 values(1);"
./psql -d postgres -c "Insert into t1 values(2);"
./psql -d postgres -c "INSERT into t1 values(3);"
./psql -d postgres -c "INSERT into t1 values(4);"

./pg_basebackup -h localhost -X stream -v -W -R -D ../standby/

# postgresql.conf file in new location
mkdir  ../new_path
cat << EOF >> ../new_path/postgresql.conf
max_replication_slots = 1
port = 9000
EOF

# postgresql.conf file in default location
cat << EOF >> ../standby/postgresql.conf
max_replication_slots = 0
port = 9000
EOF

./pg_ctl -D ../standby -l standby.log  start -o "-c config_file=../new_path/postgresql.conf"
./pg_createsubscriber -D ../standby -S 'host=localhost port=9000 dbname=postgres' -P 'host=localhost port=5432 dbname=postgres' -d postgres -r