May 2019
Intermediate to advanced
600 pages
20h 46m
English
book
PostgreSQL 11 Administration Cookbook
by Simon Riggs, Gianni Ciolli, Sudheer Kumar Meesala, Sheldon Strauch
Content preview from PostgreSQL 11 Administration Cookbook
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How it works…
On Ubuntu/Debian, the pg_ctlcluster wrapper is a convenient utility that allows multiple servers to coexist more easily, which is especially good when you have servers with different versions. This capability is very useful and is transposed on systemd, as shown in the examples using @ in the name of the service unit, where @ denotes the usage of a service file template.
Another interesting systemd feature is the capability to enable/ disable a service unit to specify whether it will be started automatically on the next boot, with a syntax such as the following:
sudo systemctl enable postgresql@11-main
This can be very useful to set the appropriate behavior based on the purpose of each instance.
A similar feature is implemented ...
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