How to setup Postgres 13 WAL streaming replication on Ubuntu

Basics of Logical Replication,Streaming replication vs replication slot does not exist Logical Replication Slots which exist on the primary are not available on standby replicas So if there is a failover, new primary replication slot Logical Replication Slots which exist on the primary are not available on standby replicas So if there is a failover, new primary

replication slot does not exist slot does not exist Replicate will create it and then use the slot Or you may use an internal parameter slotName to specify the given slot