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[root@localhost init.d]# ./mysqld status
[root@localhost init.d]#                                        [  OK  ]      

[root@localhost init.d]# mysqld_safe
nohup: ignoring input and redirecting stderr to stdout
  PID TTY      STAT   TIME COMMAND
 8636 pts/1    Sl     0:00 /usr/sbin/mysqld --skip-grant
A mysqld process already exists

[root@localhost mysql]# pwd
/var/lib/mysql
[root@localhost mysql]# ls
ibdata1  ib_logfile0  ib_logfile1  localhost.err  mysql/  mysqlmanager.sock=  mysql.sock=  test/

[root@localhost init.d]# mysqladmin ping
mysqladmin: connect to server at 'localhost' failed
error: 'Access denied for user 'root'@'localhost' (using password: NO)'

[root@localhost init.d]# mysqladmin -u root password
mysqladmin: connect to server at 'localhost' failed
error: 'Access denied for user 'root'@'localhost' (using password: NO)

# Example MySQL config file for medium systems.
#
# This is for a system with little memory (32M - 64M) where MySQL plays
# an important part, or systems up to 128M where MySQL is used together with
# other programs (such as a web server)
#

# The following options will be passed to all MySQL clients
[client]
user            = root
#password       = your_password
port            = 3306
socket          = /var/lib/mysql/mysql.sock

# Here follows entries for some specific programs

# The MySQL server
[mysqld]
user            = mysql
datadir         = /var/lib/mysql
port            = 3306
socket          = /var/lib/mysql/mysql.sock
pid-file        = /var/run/mysqld/mysqld.pid
skip-locking
key_buffer = 16M
max_allowed_packet = 1M
table_cache = 64
sort_buffer_size = 512K
net_buffer_length = 8K
read_buffer_size = 256K
read_rnd_buffer_size = 512K
myisam_sort_buffer_size = 8M
collation_server = utf8_unicode_ci
character_set_server = utf8

# Default to using old password format for compatibility with old and
# shorter password hash.
"/etc/my.cnf" [readonly] 190L, 5590C