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56 lines
1.1 KiB
Markdown
56 lines
1.1 KiB
Markdown
---
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title: Postgres
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homepage: https://www.postgresql.org/
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tagline: |
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PostgreSQL: The World's Most Advanced Open Source Relational Database.
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---
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## Updating `postgres`
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```bash
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webi postgres@stable
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```
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Use `@x.y.z` for a specific version.
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## Cheat Sheet
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> Postgres is the all-in-one database for beginners and experts alike. It
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> handles SQL, 'NoSQL', JSON, HSTORE, Full-Text Search, Messages Queues and
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> more. Best bang for buck.
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### Start the postgres server
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Run just once (for development):
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```bash
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postgres -D $HOME/.local/share/postgres/var -p 5432
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```
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Run as a system service on Linux:
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```bash
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sudo env PATH="$PATH" \
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serviceman add --system --username $(whoami) --name postgres -- \
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postgres -D "$HOME/.local/share/postgres/var" -p 5432
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```
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### Connect with the psql client
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```bash
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psql 'postgres://postgres:postgres@localhost:5432/postgres'
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```
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### Initialize a database with a password
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```bash
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echo "postgres" > /tmp/pwfile
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mkdir -p $HOME/.local/share/postgres/var/
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initdb -D $HOME/.local/share/postgres/var/ \
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--username postgres --pwfile "/tmp/pwfile" \
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--auth-local=password --auth-host=password
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rm /tmp/pwfile
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```
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