cp db/mysql.service ~/.config/systemd/user/
MYSQL_ROOT=~/.local/var/lib/mysql
MYSQL_DATA=~/.local/var/lib/mysql/data
mkdir -p "${MYSQL_DATA}"
mysql_install_db --basedir=/usr --datadir="${MYSQL_DATA}"
echo "[client]" > ~/.my.cnf
echo "host=127.0.0.1" >> ~/.my.cnf

systemctl --user start mysql.service

#mysqladmin -u root password 'rootroot'
mysql -u root -p
CREATE USER 'tests'@'localhost' IDENTIFIED BY 'teststests';
GRANT ALL PRIVILEGES ON *.* TO 'tests'@'localhost' WITH GRANT OPTION;
FLUSH PRIVILEGES;

cp db/postgresql.service ~/.config/systemd/user/
PGDATA=~/.local/var/lib/postgre/data
mkdir -p "${PGDATA}"
initdb -D "${PGDATA}"
# добавилть в командный интерпретатор
export PGHOST=127.0.0.1

systemctl --user start postgresql.service

psql -h 127.0.0.1 -c "CREATE USER tests PASSWORD 'teststests';" postgres
psql -h 127.0.0.1 -c "ALTER USER tests WITH CREATEDB;" postgres
psql -h 127.0.0.1 -c "CREATE DATABASE tests;" postgres
psql -h 127.0.0.1 -c "GRANT ALL ON DATABASE tests TO tests;" postgres