# Check If The Local Server Is Running An install of PostgreSQL comes with a number of utilities including the `pg_isready` command. This command can be used to check if the local PostgreSQL server is up, running, and ready to receive connections. If the server has not yet been started, running the command will result in a `no response` response. ```bash $ pg_isready localhost:5432 - no response ``` In this case, the `pg_ctl` command can be used to start the server. ```bash $ pg_ctl -D $HOME/.asdf/installs/postgres/12.3/data start waiting for server to start.... ... done server started ``` It tells us that the server is started and we can confirm that by again running `pg_isready`. ```bash $ pg_isready localhost:5432 - accepting connections ``` This command is most useful as part of a script, such as in a CI environment. In that case, you may not want it writing to `stdout`, you just want to use the command's exit code. For that, you can tack on the `--quiet` flag. ``` $ pg_isready --quiet ``` [source](https://www.postgresql.org/docs/current/app-pg-isready.html) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://ploegert.gitbook.io/til/programmy/linux/is-app-installed/check-if-the-local-server-is-running.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.