mysql5.7.x 編譯安裝

一、卸載mariadb

[root@mysql5 ~]# rpm -qa mariadb*
mariadb-libs-5.5.44-2.el7.centos.x86_64
[root@template tools]# rpm -e --nodeps mariadb-libs-5.5.44-2.el7.centos.x86_64
[root@template tools]# rpm -qa | grep mariadb

系統環境：

[root@mysql5 ~]# cat /etc/redhat-release
CentOS Linux release 7.2.1511 (Core)
[root@mysql5 ~]# uname -r
3.10.0-327.el7.x86_64

二、編譯安裝mysql

#安裝依賴包

yum install libaio-devel ncurses-devel cmake gcc gcc-c++ bison -y 

#文件目錄創建

mkdir -p /home/nulige/mysql/3306/data
mkdir -p /home/nulige/mysql/3306/tmp
mkdir -p /home/nulige/mysql/3306/log

#創建用戶組和mysql用戶

groupadd mysql
useradd -s /sbin/nologin -g mysql -M mysql
id mysql

#創建軟件目錄

mkdir -p /home/nulige/mysql 
cd /home/nulige/mysql 

#下載軟件

wget http://downloads.sourceforge.net/project/boost/boost/1.59.0/boost_1_59_0.tar.gz
wget https://osdn.net/frs/g_redir.php?m=netix&f=%2Flonenmp%2Flnmpfiles%2Fmysql%2Fmysql-5.7.11.tar.gz

# utf8mb4格式解釋

   MySQL在5.5.3之后增加了這個utf8mb4的編碼，mb4就是most bytes 4的意思，專門用來兼容四字節的unicode。好在utf8mb4是utf8的超集，
除了將編碼改為utf8mb4外不需要做其他轉換。當然，為了節省空間，一般情況下使用utf8也就夠了。

　　至於什么時候用，看你的做什么項目了。

在做移動應用時，會遇到ios用戶會在文本的區域輸入emoji表情，如果不做一定處理，就會導致插入數據庫異常。

#解壓安裝　

tar xzf boost_1_59_0.tar.gz
tar xzf mysql-5.7.11.tar.gz

cd mysql-5.7.11
cmake -DCMAKE_INSTALL_PREFIX=/home/nulige/mysql/3306 \
-DMYSQL_DATADIR=/home/nulige/mysql/3306/data \
-DWITH_BOOST=/home/nulige/mysql/boost_1_59_0 \
-DSYSCONFDIR=/home/nulige/mysql \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_PARTITION_STORAGE_ENGINE=1 \
-DWITH_FEDERATED_STORAGE_ENGINE=1 \
-DWITH_BLACKHOLE_STORAGE_ENGINE=1 \
-DWITH_MYISAM_STORAGE_ENGINE=1 \
-DENABLED_LOCAL_INFILE=1 \
-DENABLE_DTRACE=0 \
-DDEFAULT_CHARSET=utf8mb4 \
-DDEFAULT_COLLATION=utf8mb4_general_ci \
-DWITH_EMBEDDED_SERVER=1

#編譯安裝
make && make install

 #配置啟動服務 /bin/cp /home/nulige/mysql/3306/support-files/mysql.server /etc/init.d/mysqld chmod +x /etc/init.d/mysqld chkconfig --add mysqld chkconfig mysqld on #/etc/my.cnf，僅供參考（用於生產還需要調優） [mysqld] basedir = /home/nulige/mysql/3306 datadir = /home/nulige/mysql/3306/data tmpdir = /home/nulige/mysql/3306/tmp pid-file = /home/nulige/mysql/3306/data/my.pid port = 3306 default_storage_engine = InnoDB innodb_autoinc_lock_mode = 2 explicit_defaults_for_timestamp = true character-set-client-handshake = FALSE character_set_server = utf8 skip-name-resolve max_connect_errors = 1000000 max_allowed_packet = 1G connect_timeout = 3600 wait_timeout = 3600 interactive_timeout = 3600 innodb_lock_wait_timeout = 10 slave-skip-errors = 1032,1062 log-error = /home/nulige/mysql/3306/log/error.log slow_query_log = on slow_query_log_file = /home/nulige/mysql/3306/log/slow-query-log.log long_query_time = 1 log-queries-not-using-indexes log-slow-admin-statements log-slow-slave-statements server-id = 100 log-bin = log-bin binlog-format = ROW

#初始化數據庫

chown -R mysql:mysql /home/nulige/mysql/3306/
cd /home/nulige/mysql/3306/bin
./mysql_install_db --user=mysql --basedir=/home/nulige/mysql/3306 --datadir=/home/nulige/mysql/3306/data

備注：這里會報一個警告，直接忽略
2017-05-19 16:33:16 [WARNING] mysql_install_db is deprecated. Please consider switching to mysqld --initialize

意思：
之前版本mysql_install_db是在mysql_basedir/script下，5.7放在了mysql_install_db/bin目錄下,且已被廢棄
"--initialize"會生成一個隨機密碼(~/.mysql_secret)，而"--initialize-insecure"不會生成密碼，--datadir目標目錄下不能有數據文件。

#啟動 數據庫

service mysqld start

#設置開機自啟動

[root@mysql5 ~]# systemctl enable mysqld.service
mysqld.service is not a native service, redirecting to /sbin/chkconfig.
Executing /sbin/chkconfig mysqld on

#查看端口

[root@mysql5 bin]# ss -lntup|grep 3306
tcp    LISTEN     0      80       :::3306     :::*     users:(("mysqld",pid=25042,fd=23))

#配置環境變量

echo 'PATH=/home/nulige/mysql/3306/bin/:$PATH' >>/etc/profile
source /etc/profile
echo $PATH

#查看mysql默認密碼

[root@mysql5 bin]# cat /root/.mysql_secret 
# Password set for user 'root@localhost' at 2017-05-19 16:33:16 
:AyjdUl!3-;*

#用默認密碼，登錄數據庫

mysql -uroot -p':AyjdUl!3-;*'   #這邊密碼要加引號，要么然的話存在轉義問題

#修改密碼（這個密碼一定要足夠復雜，不然會不讓你改，提示密碼不合法）

mysql> SET PASSWORD FOR 'root'@'localhost' = PASSWORD('1qaz@WSX');
mysql> flush privileges; 
mysql> exit
Bye

#登錄數據庫

[root@mysql5 bin]# mysql -uroot -p'1qaz@WSX'

8、查看mysql版本

[root@mysql5 bin]# mysql -V
mysql  Ver 14.14 Distrib 5.7.11, for Linux (x86_64) using  EditLine wrapper

9、查看數據庫用戶表

mysql> select host,user from mysql.user;
+-----------+-----------+
| host      | user      |
+-----------+-----------+
| localhost | mysql.sys |
| localhost | root      |
+-----------+-----------+
2 rows in set (0.00 sec)