linux伺服器安裝配置mysql

目的：伺服器安裝配置mysql實施記錄，下次有需要備查。

useradd mysql

passwd mysql #這裡輸入密碼，注意記錄密碼

mkdir /opt/mysql

tar -zxvf mysql-5.6.41-linux-glibc2.12-x86_64.tar.gz -c /opt/mysql
cd /opt/mysql
mv mysql-5.6.41-linux-glibc2.12-x86_64/* .
rm -rf mysql-5.6.41-linux-glibc2.12-x86_64/
yum -y install perl perl-devel gcc kernel-devel autoconf

chown -r mysql:mysql /opt/mysql/

su - mysql

cd /opt/mysql
/opt/mysql/scripts/mysql_install_db --user=mysql --basedir=/opt/mysql --datadir=/opt/mysql/data

注意，如果安裝報錯：scripts/mysql_install_db: /usr/bin/perl: bad interpreter: no such file or directory

需要切換到root使用者，安裝perl以及perl-devel，執行下面命令：

yum -y install perl perl-devel)

touch mysql_error.log

切換到root使用者

su - root

cd /opt/mysql/support-files
cp my-default.cnf /etc/my.cnf
cat /dev/null > /etc/my.cnf
vi /etc/my.cnf
#全部刪除，改為如下：
[mysqld]
# port=33060
basedir = /opt/mysql
datadir = /opt/mysql/data
socket = /tmp/mysql.sock
log-error=/opt/mysql/mysql_error.log
skip-name-resolve
character_set_server=utf8
character_set_client=utf8
collation-server=utf8_general_ci
#init_connect='set names utf8'
sql_mode=no_engine_substitution,strict_trans_tables
lower_case_table_names = 1
max_allowed_packet = 32m
table_open_cache = 1024
sort_buffer_size = 4m
join_buffer_size = 2m
net_buffer_length = 8m
read_buffer_size = 4m
read_rnd_buffer_size = 8m
thread_cache_size = 300
query_cache_size = 1024m
query_cache_limit = 2m
thread_concurrency = 8
wait_timeout = 315360000
max_connections = 300
max_connect_errors=1844674407370954751
max_connect_errors = 10000
#event_scheduler=1
#innodb_log_file_size=256m
innodb_buffer_pool_size = 4094m 
innodb_additional_mem_pool_size = 32m
innodb_log_file_size = 1024m
innodb_log_files_in_group = 2
innodb_log_buffer_size = 8m
#innodb_flush_log_at_trx_commit = 2
innodb_lock_wait_timeout = 50
innodb_thread_concurrency=8
#innodb_sort_buffer_size=32m
innodb_open_files=4096
innodb_write_io_threads=2
innodb_read_io_threads=2
innodb_max_dirty_pages_pct = 90
innodb_file_per_table=1
[client]
socket=/tmp/mysql.sock
default-character-set=utf8
#結束

cp mysql.server /etc/init.d/mysql

vi /etc/init.d/mysql
#修改檔案中的兩個變更值
basedir=/opt/mysql/
datadir=/opt/mysql/data/

vi /etc/profile

#新增如下內容：
export path=
$path:/opt/mysql/bin
source /etc/profile

chkconfig --add mysql

chkconfig mysql on
service mysql start

/opt/mysql/bin/mysqladmin -u root password 'yourpasswd'

# 這裡輸入密碼，注意記錄密碼
# mysql root使用者登入
mysql -uroot -pyourpasswd

注意這裡的資料庫root使用者密碼不要和linux使用者mysql的密碼混淆了

設定後可通過客戶端連線

#>sql

grant
allprivilegeson*
.*to'root'@'%
' identified by 'yourpasswd';
flush privileges
;

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