mysql的四種啟動方式:
1、mysqld
啟動mysql伺服器:./mysqld --defaults-file=/etc/my.cnf --user=root
客戶端連線:
mysql --defaults-file=/etc/my.cnf
ormysql -s /tmp/mysql.sock
2、mysqld_safe
啟動mysql伺服器:./mysqld_safe --defaults-file=/etc/my.cnf --user=root &
客戶端連線:
mysql --defaults-file=/etc/my.cnf
ormysql -s /tm/mysql.sock
3、mysql.server
cp -v /usr/local/mysql/support-files/mysql.server /etc/init.d/
chkconfig --add mysql.server
啟動mysql伺服器:service mysql.server
客戶端連線:同1、2
4、mysqld_multi
mkdir $mysql_base/data2
cat <> /etc/my.cnf
[mysqld_multi]
mysqld= /usr/local/mysql/bin/mysqld_safe
mysqladmin = /user/local/mysql/bin/mysqladmin
user = mysqladmin
password = mysqladmin
[mysqld3306]
port = 3306
socket = /tmp/mysql3306.sock
pid-file= /tmp/mysql3306.pid
skip-external-locking
key_buffer_size = 16m
max_allowed_packet = 1m
table_open_cache = 64
sort_buffer_size = 512k
net_buffer_length = 8k
read_buffer_size = 256k
read_rnd_buffer_size = 512k
myisam_sort_buffer_size = 8m
basedir= /usr/local/mysql
datadir= /usr/local/mysql/data
[mysqld3307]
port = 3307
socket = /tmp/mysql3307.sock
pid-file= /tmp/mysql3307.pid
skip-external-locking
key_buffer_size = 16m
max_allowed_packet = 1m
table_open_cache = 64
sort_buffer_size = 512k
net_buffer_length = 8k
read_buffer_size = 256k
read_rnd_buffer_size = 512k
myisam_sort_buffer_size = 8m
basedir= /usr/local/mysql
datadir= /usr/local/mysql/data2
eof#mysql -s /tmp/mysql3306.sock
mysql>grant shutdown on *.* to 'mysqladmin'@'localhost' identified by 'mysqladmin' with grant option;
#mysql -s /tmp/mysql3307.sock
mysql>grant shutdown on *.* to 'mysqladmin'@'localhost' identified by 'mysqladmin' with grant option;
啟動mysql伺服器:./mysqld_multi --defaults-file=/etc/my.cnf start 3306-3307
關閉mysql伺服器:mysqladmin shutdown
可參考<>
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