mysql多實例部署
阿新 • • 發佈：2019-05-13
mysql多實例 comm 用戶和組 cal error emp commands all -a
軟件下載
//下載二進制格式的mysql軟件包 [[email protected] ~]# cd /usr/src/ [[email protected] src]# wget https://downloads.mysql.com/archives/get/file/mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz --2018-08-13 23:56:27-- https://downloads.mysql.com/archives/get/file/mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz Resolving downloads.mysql.com (downloads.mysql.com)... 137.254.60.14 Connecting to downloads.mysql.com (downloads.mysql.com)|137.254.60.14|:443... connected. HTTP request sent, awaiting response... 302 Found Location: https://cdn.mysql.com/archives/mysql-5.7/mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz [following] ...... Saving to: ‘mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz’ 100%[=====================================>] 643,790,848 2.46MB/s in 4m 20s 2018-08-14 00:00:50 (2.36 MB/s) - ‘mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz’saved [643790848/643790848]
配置用戶和組並解壓二進制程序至/usr/local下
//創建用戶和組 [[email protected] src]# groupadd mysql -r [[email protected] src]# useradd -M -s /sbin/nologin -g mysql mysql //解壓軟件至/usr/local/ [[email protected] src]# tar xf mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz -C /usr/local/ [[email protected] ~]# ls /usr/local/ bin games lib libexec sbin src etc include lib64 mysql-5.7.22-linux-glibc2.12-x86_64 share [[email protected] ~]# cd /usr/local/ [[email protected] local]# ln -sv mysql-5.7.22-linux-glibc2.12-x86_64/ mysql ‘mysql’ -> ‘mysql-5.7.22-linux-glibc2.12-x86_64/’ //修改目錄/usr/local/mysql的屬主屬組 [[email protected] ~]# chown -R mysql.mysql /usr/local/mysql [[email protected] ~]# ll /usr/local/mysql -d lrwxrwxrwx. 1 mysql mysql 35 5月 13 19:25 /usr/local/mysql -> mysql-5.7.22-linux-glibc2.12-x86_64 //配置環境變量 [[email protected] ~]# echo 'export PATH=/usr/local/mysql/bin:$PATH' > /etc/profile.d/mysql.sh [[email protected] ~]# . /etc/profile.d/mysql.sh [[email protected] ~]# echo $PATH /usr/local/mysql/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin
創建各實例數據存放的目錄
[[email protected] ~]# mkdir -p /opt/data/{3306,3307}
[[email protected] ~]# chown -R mysql.mysql /opt/data/
[[email protected] ~]# tree /opt/data/
/opt/data/
├── 3306
└── 3308
2 directories, 0 files初始化各實例
//初始化3306實例 [[email protected] ~]# mysqld --initialize --datadir=/opt/data/3306 --user=mysql 2019-05-13T15:05:04.079178Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details). 2019-05-13T15:05:05.988959Z 0 [Warning] InnoDB: New log files created, LSN=45790 2019-05-13T15:05:06.306727Z 0 [Warning] InnoDB: Creating foreign key constraint system tables. 2019-05-13T15:05:06.465781Z 0 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: 7e350f20-7590-11e9-bde0-000c29c97322. 2019-05-13T15:05:06.467074Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened. 2019-05-13T15:05:06.470472Z 1 [Note] A temporary password is generated for [email protected]: uo4S%!6Q1yv2 [[email protected] ~]# echo 'uo4S%!6Q1yv2' >pass1 //初始化3307實例 [[email protected] ~]# mysqld --initialize --datadir=/opt/data/3307 --user=mysql 2019-05-13T15:06:27.501609Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details). 2019-05-13T15:06:28.917729Z 0 [Warning] InnoDB: New log files created, LSN=45790 2019-05-13T15:06:29.203565Z 0 [Warning] InnoDB: Creating foreign key constraint system tables. 2019-05-13T15:06:29.271498Z 0 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: af90351c-7590-11e9-8219-000c29c97322. 2019-05-13T15:06:29.276044Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened. 2019-05-13T15:06:29.279295Z 1 [Note] A temporary password is generated for [email protected]: efpWPw0>N>w& [[email protected] ~]# echo 'efpWPw0>N>w&' >pass2
安裝perl
[[email protected] ~]# yum -y install perl配置配置文件/etc/my.cnf
[[email protected] ~]# vi /etc/my.cnf
[mysqld_multi]
mysqld = /usr/local/mysql/bin/mysqld_safe
mysqladmin = /usr/local/mysql/bin/mysqladmin
user = root
[mysqld3306]
datadir = /opt/data/3306
port = 3306
socket = /tmp/mysql3306.sock
pid-file = /opt/data/3306/mysql_3306.pid
log-error=/var/log/3306.log
[mysqld3307]
datadir = /opt/data/3307
port = 3307
socket = /tmp/mysql3307.sock
pid-file = /opt/data/3307/mysql_3307.pid
log-error=/var/log/3307.log
啟動各實例
[[email protected] ~]# mysqld_multi start 3306
[[email protected] ~]# mysqld_multi start 3307
[[email protected] ~]# ss -antl
State Recv-Q Send-Q Local Address:Port Peer Address:Port
LISTEN 0 128 *:22 *:*
LISTEN 0 100 127.0.0.1:25 *:*
LISTEN 0 80 :::3307 :::*
LISTEN 0 128 :::22 :::*
LISTEN 0 100 ::1:25 :::*
LISTEN 0 80 :::3306 :::* 初始化密碼
[[email protected] ~]# ls
anaconda-ks.cfg pass1 pass2
[[email protected] ~]# cat pass1
uo4S%!6Q1yv2
[email protected] ~]# mysql -uroot -p'uo4S%!6Q1yv2' -S /tmp/mysql3306.sock
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.22
Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> set password =('ly123');
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '('ly123')' at line 1
mysql> set password = password('ly123');
Query OK, 0 rows affected, 1 warning (0.00 sec)
mysql> quit
Bye
mysql多實例部署