sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
sudo apt-get update
sudo apt-get -y install postgresql
sudo -i u postgresql / sudo su - postgres
psql
select version();
err
-bash: u: コマンドが見つかりません
sudo su - postgres
psql
alter role postgres with password 'NewPasswd123';
sudo service postgresql restart
pg_dump database名 > backup_file名
psql dbname < infile
pg_restore -U "ユーザー名" -C -d "DB名" db.dump
sudo gedit /etc/postgresql/14/main/postgresql.conf
