1. tar -xzvf mysql-standard-5.1.34-linux-i686-glibc23.tar.gz
2. ln -s mysql-standard-5.1.34-linux-i686-glibc23 mysql
 a) set basedir= to the full path of your new mysql directory
 b) set datadir= to the full path of the /data subdir in your new mysql directory.
3. Set up the default MySQL databases:
 a) ./scripts/mysql_install_db --defaults-file=mysql.cnf
 b) ./bin/mysqladmin --defaults-file=mysql.cnf -u root password "yourpasswordhere"
4. Create a New Database and User Account
 a) Log in to your mysql server as root: ./bin/mysql --defaults-file=mysql.cnf -u root -p

[client]
socket=/tmp/mysql_2.sock
port=3307
####################################
[mysqld]
#REQUIRED!!
#Change the basedir directory to reflect your mysql home directory
basedir=/mysql
#REQUIRED!!
#Change the data direcory to reflect your mysql data directory
datadir=/mysql/data
port=3307
socket=/tmp/mysql_2.sock
key_buffer_size=64M

#[OPTIMIZATION]
#Set this value to 50% of available RAM if your environment permits.
myisam_sort_buffer_size=1.5G
#[OPTIMIZATION]
#This value should be at least 50% of free hard drive space. Use caution if         setting it to 100% of free space however. Your hard disk may fill up!
myisam_max_sort_file_size=100G

#[OPTIMIZATION]
#Our default of 2G is probably fine for this value. Change this value only if you are using a machine with little resources available.
read_buffer_size=1.5G

root@ubuntu:/mysql#  ./bin/mysqld_safe --defaults-    file=mysql.cnf &

[1] 2386
root@ubuntu:/mysql# 140415 19:08:12 mysqld_safe Logging to '/mysql/data/ubuntu.err'.
chown: invalid user: `mysql'
140415 19:08:12 mysqld_safe Starting mysqld daemon with databases from     /mysql/data
140415 19:08:12 mysqld_safe mysqld from pid file     /mysql/data/ubuntu.pid ended

./bin/mysqladmin --defaults-file=mysql.cnf -u
./bin/mysqladmin --defaults-file=mysql.cnf -u root password 12345
./bin/mysqladmin: connect to server at 'localhost' failed

error: 'Can't connect to local MySQL server through socket '/tmp/mysql_2.sock' (2)'

Check that mysqld is running and that the socket: '/tmp/mysql_2.sock' exists!
[1]+  Done                    ./bin/mysqld_safe --defaults-file=mysql.cnf

./bin/mysql --defaults-file=mysql.cnf -u root -p

Enter password:

ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql_2.sock' (2)