There are two main ways to install PostgreSQL on mac OS X.
When you deploy this run configuration, it will build an image and run the container with PostgreSQL version 9. To check this, execute postgres -version inside the container and see the output: it should be postgres (PostgreSQL) 9.6.6 or some later version.
In addition to remove PostgreSQL manually, it's suggested to rely on a reliable PostgreSQL Removal app to ensure the clean uninstall. Omni Remover is an expert PostgreSQL Uninstaller software that can help uninstall PostgreSQL and other stubborn applications on your Mac. Uninstall PostgreSQL 9 from Mac OS X These steps are to remove the One-Click install of PostgreSQL 9.1 (not the homebrew editions). This can be ascertained if you find the /Library/PostgreSQL directory. PostgreSQL v9.6: PostgreSQL is a powerful, open source object-relational database system that uses and extends the SQL language combined with many features that safely store and scale the most complicated data workloads. Sudo apt purge postgresql-. The above command will uninstall postgresql and its dependencies. You can check a list of available postgresql packages. Dpkg -l grep postgres ii pgdg-keyring 2018.2 all keyring for apt.postgresql.org. So, there are no postgresql packages that means it postgresql is purged properly.
Using Homebrew
Homebrew can be installed by running the following command in a terminal:
/usr/bin/ruby -e '$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)'
If Homebrew is already installed, make sure that it is up to date by running:
brew update
Then ensure there are no conflicts or errors using:
brew doctor
Uninstall apps in mac pro. Homebrew is a powerful package manager with many uses, including installing and running postgreSQL. This can be done by typing the following command into a terminal:
Now that postgres is installed the default server can be started by running the command:
This will start up a postgres server hosted locally on port 5432. The server will be run out of the directory
/usr/local/var/postgres .
It can now be accessed by typing the following command:
This will connect to the server and access the postgres database. Once this is done:
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The process should look like this:
This shows that the server has been started and can be connected to.
(Optional) Creating a Custom Data Directory
A custom data directory can also be used for a server. To do this, first create a directory to be used as the server location. For example, create a directory called myData in the home directory:
Once the directory is created, the server can be initialized. This means that we configure the directory and add the necessary files to run the server. To do this run the
initdb command as shown:
This will fill the myData directory with files necessary to run the server: Photos app on mac not working computer.
Now that the server is initialized and the log file is created, you can start the server from this directory. To do this use the command and substitute in for the specified values:
The “Data Directory” refers to the directory that was just initialized (in this case myData). The “Log file” is a file that will record server events for later analysis. Generally log files are formatted to contain the date in the file name (e.g. “2018-05-27.log” or “myData-logfile-2018-05-27.log”) and should be stored outside of the database that they are logging so as to avoid unnecessary risks. Log files can be dense to read but are very useful for security and debugging purposes:
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The command above will generate a log file like the one shown, start the server, and tie the log file to the server. If a log file is not specified, events will be logged to the terminal:
The server will only start if the port is free. If the default server is running it must first be stopped using the
pg_ctl -D /usr/local/var/postgres stop command:
Once started, it can be connected to the same way as before using:
Using PostgreSQL App
To run a server through the postgres app, the first step is to download the program. The app can be downloaded on postgresapp.com. Once the app is downloaded and moved into the applications folder, the app can be opened.
Open the Postgres app: https://hrmyqmw.weebly.com/blog/mac-how-to-disable-command-q-inside-an-app.
In order to start the server, click the start button.
This will start the server. Details on the server can be found by opening the server settings:
Postgres Mac Client
This interface shows all the essential information regarding the server. It also allows the port to be changed very easily. This is useful because multiple PostgreSQL servers can
Note: To change the port in the terminal, the ‘postgres.conf’ file (which can be found in the data directory) must be edited. This looks like the following:
Using Terminal with the PostgreSQL App
Once the app has been downloaded, command line tools can be used as well. These tools can be accessed by typing:
For example, the ‘postgres’ database on the server can be connected to using the psql tool with postgres as an argument:
Rather than typing out the full path each time however, the path can be added to a file that will allow significantly easier access to the tools, allowing the tools be accessed from any directory on the computer. To do this, the following command can be run in the terminal:
Once this is done, the ‘postgres’ database can be accessed by simply typing:
Summary
References
Written by: Matthew Layne
Reviewed by: Blake Barnhill , Matt David Comments are closed.
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