linux安裝mysql教程，

tar -zxf mysql-5.6.42-linux-glibc2.12-x86_64.tar.gz

mv mysql-5.6.42-linux-glibc2.12-x86_64 mysql

cd /usr/local/mysql

groupadd mysql

useradd -r -g mysql mysql

chown -r mysql:mysql ./

yum install libaio

chown -r root:root ./

chown -r mysql:mysql data

cd scripts

./mysql_install_db --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data

cd /usr/local/mysql-5.6.27/support-filescp my-default.cnf /etc/my.cnf（修養修改my.cnf的配置，可以參照下面的配置來）

cp mysql.server /etc/init.d/mysqlvim /etc/init.d/mysql #若mysql的安裝目錄是/usr/local/mysql,則可省略此步修改檔案中的兩個變更值basedir=/usr/local/mysql-5.6.27datadir=/usr/local/mysql-5.6.27/data

13.配置環境變數

export mysql_home="/usr/local/mysql"

export path="​mysql_home/bin"

chkconfig --add mysqlchkconfig mysql on 修改服務的預設啟動等級

ps -ef|grep mysqld

啟動： service mysql start

停止: service mysql stop

重啟：service mysql restart

或者可以使用下面的命令停止mysql服務：mysqladmin -u root -p shutdown

mysqladmin -u root password '123456'

mysql -u root -p

vi /etc/sysconfig/iptables

新增檔案

iptables -i input -p tcp --dport 3306 -j accept

重啟埠

service iptables restart --重啟防火牆

[client]

port = 3306
socket = /usr/local/mysql/data/mysql.sock
[mysqld]
bind-address = 0.0.0.0
port = 3306
socket = /usr/local/mysql/data/mysql.sock
pid-file =/usr/local/mysql/data/mysql.pid
character-set-server = utf8
basedir = /usr/local/mysql
datadir = /usr/local/mysql/data
​skip-external-locking
skip-name-resolve
lower_case_table_names = 1
log-bin-trust-function-creators = 1
​max_connections = 6000
max_user_connections = 6000
max_connect_errors = 4000
wait_timeout = 86400
interactive_timeout = 86400
table_open_cache = 512
max_allowed_packet = 32m
sort_buffer_size = 2m
join_buffer_size = 2m
thread_cache_size = 8
thread_concurrency = 8
query_cache_size = 32m
#default-storage-engine = innodb
​#sql_mode="strict_all_tables,no_auto_create_user"
server-id = 1
​log-short-format
log-error = /usr/local/mysql/logs/mysql.log
slow_query_log
long_query_time = 2
slow_query_log_file = /usr/local/mysql/logs/mysql-slow.log
log_bin_trust_function_creators=1
binlog_format = mixed
expire_logs_days = 10​​
# myisam specific options
key_buffer_size = 384m
read_buffer_size = 4m
read_rnd_buffer_size = 8m
myisam_sort_buffer_size = 128m
myisam_max_sort_file_size = 1g
myisam_repair_threads = 1
myisam_recover
​[mysqldump]
quick
max_allowed_packet = 16m
​[mysql]
default-character-set = utf8
no-auto-rehash
socket = /usr/local/mysql/data/mysql.sock
​[myisamchk]
key_buffer_size = 256m
sort_buffer_size = 256m
read_buffer = 2m
write_buffer = 2m
​[mysqlhotcopy]
interactive-timeout

不允許遠端連線

is not allowed to connect mysql server

mysql -u root -p #登入mysql,需要輸入密碼

mysql>grant all privileges on . to 'root'@'%' identified by 'your_password' with grant option; #允許root使用者遠端訪問

mysql>flush privileges;

#重新整理許可權

這時候就可以遠端連線了

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