change user to superuser postgres

First, the environment$ psql--versionpsql (PostgreSQL) 9.4.4 As we all know, superuser privileges are too large for the security of the database, for non-administrator accounts, you need to create a normal user. Second, the grammar$ psql psql  (9.4.

Seven, Pg_dump: Pg_dump is a tool for backing up the PostgreSQL database. It can even make a full, consistent backup when the database is being used concurrently, without blocking access to the database by other users. The dump format generated by

New machine error after deploymentApp 12595 Stderr:pg::connectionbad (FATAL: Peer authentication failed for user "Dbuser" app 12595 stderr:):Surf the internet for a bit, many of the posts are said to modify/etc/postgresql/9.4/main/pg_hba.conf this

1. InstallationThe latest version is automatically installed using the following command, 9.5sudo apt-get install PostgreSQLWhen the installation is complete, the default is:(1) Create a Linux user named "Postgres"(2) Create a default database

The system and software used Ubuntu 12.10Python 2.7.3Django 1.4.2Pycharm 2.6.3Postgresql 9.1VirtualenvVirtualenvwrapperOpenjdk Before you start, be sure to make a backup of your system. Because if the operation is wrong, there will be unnecessary

Reprint, original link http://linux.cn/portal.php?mod=view&aid=170 using Ubuntu to build a Ruby on Rails Local development environment Want to develop a Ruby on Rails app? Although there are already some (beginner) Ruby on Rails

#读者注意: This article can choose not to read the explanation, directly execute the code in 0 of each paragraph(0): Some concepts (can skip direct use (i) 0 of the code)1. Client: Psql. PostgreSQL command-line client program that enters the PostgreSQL

one of the ways that PostgreSQL master-slave replication is implemented:Standby-based asynchronous stream replication, which is a nice feature provided after the postgresql9.x version (2010.9), similar functionality is available in Oracle after 11g

Previous blogs recorded the installation of PostgreSQL 9.3 via the RPM package (Linux CentOS 7 Installation PostgreSQL 9.3 (release)), this blog will be recorded in the form of the source code compiled PostgreSQL 9.5. Download The source file

ObjectiveThe previous blog records the installation of PostgreSQL 9.3 in the form of RPM packages (Linux CentOS 7 Installation PostgreSQL 9.3 (release)), and this blog will record the installation of PostgreSQL 9.5 in the form of source code