Now that we have a new database for restoring the backed up database, we can switch back to the admin command window we were using in Backing Up Central Server and run the restore command.ġ. PgAdmin is the leading graphical Open Source management, development and administration tool for PostgreSQL. PgAdmin 4 is a rewrite of the popular pgAdmin3 management tool for the PostgreSQL database.
Click the Save button at the bottom of the window. How to Install PgAdmin 4 in Server mode as Web Application on CentOS 7 / RHEL 7. In the Privileges tab, select Can Login:Ĩ.
In the Definition tab, set the password to the original Central admin password:ħ. In the General tab, enter the Central admin username used in the original installation, e.g. From the dropdown menu, right-click on Login/Group Roles, then on Create > Login/Group Role:ĥ. We also need to recreate the central_admin user in PostgreSQL.Ĥ. Click the Save button at the bottom of the window. In pgAdmin, connect to the new database by right-clicking on Database and selecting Create > Database.ģ. We can now recreate the database that we will restore our backup into.ġ. You will be prompted to confirm your choice. Select the oldest version from the list and select Delete/Drop. In this example, we have PostgreSQL 10, the older version, and PostgreSQL 11, the new version:ģ. You should have two options in the left-hand side bar. Once the install has finished, open pgAdmin 4.
Next, open pgAdmin 4 from the Windows Start menu.Ĥ. Right-click on the Central Server and select Stop:ģ. We also need to perform the backup of the server.Ģ.
We need this information to restore the database once the new version of PostgreSQL has been installed. The first steps in upgrading the PostgreSQL server is to stop Central Server and record information about it. The steps to upgrading the PostgreSQL database are:
So you'd have to create them before restoring it.You need the PostgreSQL superuser password to upgrade PostgreSQL. The create database and role statements might not be present in the backup depending on whether it has the entire server (it has) or just one database (you should create the db and role(s)). You might have to run as privileged user ' postgres' (on unix, say) or pass the appropriate credentials for the role to psql so that it can create the db and roles and other entities indicated by the backup-file. Or from inside psql prompt (newdb is an empty db) psql newdb I'm assuming you could restore using something like (on unix): psql < backup-file Purposes, the COMPRESS and TAR options are recommended. The PLAIN format will create an SQL script that can beĮxecuted using the psql tool. Also,Ī PLAIN file can not be interpreted, and can not be restored using
Particularly, to backup blobs the PLAIN format can not be used. Pg_dump does not support all options for all backup file formats. It would appear that the PLAIN format is SQL.