Sometimes, what if I forget the password of the default user Postgres when PostgreSQL is installed?Linux shell command input below: sudo-u postgres psql (so that you can directly login into the Postgres, and then in the inside can be added users,
Problem: Fatal error: User "Postgres" Ident authentication failedNote: This is because there is no remote access configured and authentication method has not changed, only need to change the use of account password authentication.Workaround: Locate
Psql: Fatal error: User "Postgres" Ident authentication failed1 after installing the PostgreSQL database, you need to initialize and some configuration rails project to connect PostgreSQL.After the PostgreSQL data is installed (the Yum command is
One: Command line Backup and recovery Postgres database①: First switch to Postgres userSu Postgres
②: Backing up a database named host to a temporary file Host.dumpPg_dump-w Host >/tmp/host.dump
③: Import data from backup file infile to database
Our company has developed a database product based on Postgres, needless to say we have changed the source code of OSS, and have also integrated and written some plugins. Therefore, when PostgreSQL and related plugins are upgraded, we also need to
Summary of Postgres operations in Ubuntu
1.Basic operation commands
After the installation is complete, PostgreSQL creates a database user account named Postgres by default. It is a super Administrator account like the root account of MySQL
1. Fully Automated backupNeed to install postgres (preferably the same version) on the backup machineIn the Postgres directory to create a password to save the file (plaintext, so confidentiality is important), if not established, because each
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