mysql> CREATE聽USER聽yy聽IDENTIFIED聽BY聽'123';
grant:
mysql> GRANT聽ALL聽PRIVILEGES聽ON聽*.*聽TO聽'user'@'host' [ IDENTIFIED BY'password' ];
flush:
mysql> flush聽privileges;
now u can login with:
$ mysql -u username -p
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1. Modifiy the file: /etc/postgresql/8.0/main/pg_hba.conf
add a line below the "# IPv4 local connections:"
host all all 192.168.0.0/24 md5
2. Modify the file: /etc/postgresql/8.0/main/postgresql.conf
set the Connection Settings like below:
# - Connection Settings -
listen_addresses = '*' # what IP interface(s) to listen on;
# defaults to localhost, '*' = any
port = 5432
max_connections = 100
listen_addresses = '*' # what IP interface(s) to listen on;
# defaults to localhost, '*' = any
port = 5432
max_connections = 100
3. Restart the postgresql 8.0
4. Now we can connect to postgresql server using clients.
for eg.
psql -d DBNAME -U USERNAME -h HOST
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deb http://sebastien.lardiere.free.fr/ ./postgresql8-i386/2. Install the postgres 8.0
$apt-get update3. Now u can connect to postgres using:(template1 is the database name, postgres is the username)
$apt-get install postgresql-8.0
sudo su postgres psql template14. Add a user of ur own:(-W means prompt for password to connect)
$sudo su postgres5. Now u can login with ur newly created username and password using:
$createuser username -W
(decide whether this user can add new user and create database by input y/n to the questions)
$exit
$psql -U username -h localhost -d dbname6. Configuration File:
(then u should input the password that u set when u created this user)
/etc/postgresql/8.0/main/pg_hba.conf7. Postgres commands:
\h --help with SQL commands
\? --help with psql commands
\q --quit
\c dbname --connect to new database
\d{t|i|s|v|S} --list tables/indexes/sequences/views/system tables (add "+" for more detail)
\du --list users
\l --list all databases(add "+" for more detail)
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