Ray Farias (sgnl) هذا الجوهر هو تفرع من المشاركة الأصلية من
sgnl
# Installing Postgres via Brew ## Pre-Reqs [Brew Package Manager](http://brew.sh) In your command-line run the following commands: 1. `brew doctor` 1. `brew update` ## Installing 1. In your command-line run the command: `brew install postgresql@14` 2. Run the command: `ln -sfv /usr/local/opt/postgresql/*.plist ~/Library/LaunchAgents` 3. Create two new aliases to start and stop your postgres server. They could look something like this: ``` alias pg_start="launchctl load ~/Library/LaunchAgents" alias pg_stop="launchctl unload ~/Library/LaunchAgents" ``` 4. Run the alias you just created: `pg_start`. Use this comment to start your database service. - alternatively, `pg_stop` stops your database service. 5. Run the command: ``createdb `whoami` `` 6. Connect to your postgres with the command: `psql` 7. `brew reinstall readline` - **ONLY IF NEEDED** 8. `createuser -s postgres` - fixes `role "postgres" does not exist` 9. Test with `psql` command ``` $ psql psql (14.5 (Homebrew)) Type "help" for help. ibraheem=# exit ``` ## Details ### What is this `ln` command I ran in my Terminal? _from the `man ln` command_ > The ln utility creates a new directory entry (linked file) which has the same modes as the original file. It is useful for maintaining multiple copies of a file in many places at once without using up storage for the ``copies''; instead, a link ``points'' to the original copy. There are two types of links; hard links and symbolic links. How a link ``points'' to a file is one of the differences between a hard and symbolic link. ### What is `launchctl`? _from the `man launchctl` command_ >launchctl interfaces with launchd to manage and inspect daemons, angents and XPC services. ## Commands ### Create database ``` createdb <database_name> ``` > `createdb mydjangoproject_development` ### List databases ``` psql -U postgres -l ``` ### Show tables in database ``` psql -U postgres -d <database_name> ``` > `psql -U postgres -d mydjangoproject_development` ### Drop database ``` dropdb <database_name> ``` > `dropdb mydjangoproject_development` ### Restart database ``` dropdb <database_name> && createdb <database_name> ``` > `dropdb mydjangoproject_development && createdb mydjangoproject_development`
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