LAMP架构介绍 MySQL_MariaDB介绍 MySQL安装 MariaDB安装
11.1 LAMP架构介绍
11.2 MySQL_MariaDB介绍
MySQL是一个关系型数据库，由mysql ab公司开发，mysql在2008年被sun公司收购（10亿刀），2009年sun公司被oracle公司收购（74亿刀）
MySQL官网https://www.mysql.com 最新版本5.7GA/8.0DMR
MySQL5.6变化比较大，5.7性能上有很大提升
Mariadb为MySQL的一个分支，官网https://mariadb.com/最新版本10.2
MariaDB主要由SkySQL公司(现更名为MariaDB公司)维护,SkySQL公司由MySQL原作者带领大部分原班人马创立.
Mariadb5.5版本对应MySQL的5.5，10.0对应MySQL5.6
Community 社区版本，Enterprise 企业版，GA（Generally Available)指通用版本，在生产环境中用的，DMR（Development Milestone Release)开发里程碑发布版，RC（Release Candidate)发行候选版本，Beta开放测试版本，Alpha内部测试版本
11.3 MySQL安装
# cd /usr/local/src/
# wget
http://mirrors.sohu.com/mysql/MySQL-5.6/mysql-5.6.36-linux-glibc2.5-x86_64.tar.gz
# tar -zxf mysql-5.6.36-linux-glibc2.5-x86_64.tar.gz
# mv mysql-5.6.36-linux-glibc2.5-x86_64 ../mysql
# cd ../mysql
# useradd mysql
# mkdir /data/
# ./scripts/mysql_install_db --user=mysql --datadir=/data/mysql
FATAL ERROR: please install the following Perl modules before executing ./scripts/mysql_install_db:
Data::Dumper
# yum list | grep -i perl | grep -i dumper
Repodata is over 2 weeks old. Install yum-cron? Or run: yum makecache fast
perl-Data-Dumper.x86_64 2.145-3.el7 base
perl-Data-Dumper-Concise.noarch 2.020-6.el7 epel
perl-Data-Dumper-Names.noarch 0.03-17.el7 epel
perl-XML-Dumper.noarch 0.81-17.el7 base
# yum install -y perl-Data-Dumper
# ./scripts/mysql_install_db --user=mysql --datadir=/data/mysql
# echo $?
0
# cp support-files/my-default.cnf /etc/my.cnf
cp：是否覆盖"/etc/my.cnf"？ n
# vim /etc/my.cnf
# grep -v '#' my.cnf
[mysqld]
datadir=/data/mysql
socket=/tmp/mysql.sock
symbolic-links=0
[mysqld_safe]
#
# cp support-files/mysql.server /etc/init.d/mysqld
# vim /etc/init.d/mysqld
定义basedir和datadir
# chkconfig --add mysqld
# chkconfig --list
# /etc/init.d/mysqld start
Starting MySQL.... SUCCESS!
# /etc/init.d/mysqld stop
Shutting down MySQL.. SUCCESS!
# service mysqld start
Starting MySQL... SUCCESS!
# service mysqld stop
Shutting down MySQL.. SUCCESS!
# /usr/local/mysql/bin/mysqld_safe --defaults-file=/etc/my.cnf --user=mysql --datadir=/data/mysql &
[1] 5070
# 180227 11:04:16 mysqld_safe Logging to '/data/mysql/aminglinux-01.err'.
180227 11:04:16 mysqld_safe Starting mysqld daemon with databases from /data/mysql
#
# killall mysqld
# ps aux | grep -i mysql
root 3973 0.0 0.0 107904 664 pts/1 S+ 10:53 0:00 tailf /data/mysql/aminglinux-01.err
root 5662 0.0 0.0 112680 1000 pts/0 S+ 11:29 0:00 grep --color=auto -i mysql
mysql5.7 二进制包安装
# cd /usr/local/src/
# wget
http://mirrors.sohu.com/mysql/MySQL-5.7/mysql-5.7.18-linux-glibc2.5-x86_64.tar.gz
# tar -zxvf mysql-5.7.18-linux-glibc2.5-x86_64.tar.gz
# mv mysql-5.7.18-linux-glibc2.5-x86_64 ../mysql-5.7.18
11.6 MariaDB安装
# cd /usr/local/src
# wget
https://downloads.mariadb.com/MariaDB/mariadb-10.2.6/bintar-linux-glibc_214-x86_64/mariadb-10.2.6-linux-glibc_214-x86_64.tar.gz
# tar zxvf mariadb-10.2.6-linux-glibc_214-x86_64.tar.gz
# mv mariadb-10.2.6-linux-glibc_214-x86_64/ ../mariadb
# cd ../mariadb/
# ./scripts/mysql_install_db --user=mysql --datadir=/data/mariadb
# echo $?
0
# cp support-files/my-small.cnf /usr/local/mariadb/my.cnf
# vim my.cnf
[mysqld]
datadir = /data/mariadb
# cp support-files/mysql.server /etc/init.d/mariadb
# vim /etc/init.d/mariadb
basedir=/usr/local/mariadb
datadir=/data/mariadb
conf=$basedir/my.cnf
$bindir/mysqld_safe --defaults-file="$conf" --datadir="$datadir" --pid-file="$mysqld_pid_file_path" "$@" &
# killall mysqld
# /etc/init.d/mariadb start
Reloading systemd: [ 确定 ]
Starting mariadb (via systemctl): [ 确定 ]
# ps aux | grep mariadb
root 1905 0.1 0.1 115388 1728 ? S 15:09 0:00 /bin/sh /usr/local/mariadb/bin/mysqld_safe --defaults-file=/usr/local/mariadb/my.cnf --datadir=/data/mysql --pid-file=/data/mysql/aminglinux-01.pid
mysql 2021 6.5 5.6 1583876 56828 ? Sl 15:09 0:02 /usr/local/mariadb/bin/mysqld --defaults-file=/usr/local/mariadb/my.cnf --basedir=/usr/local/mariadb --datadir=/data/mysql --plugin-dir=/usr/local/mariadb/lib/plugin --user=mysql --log-error=/data/mysql/aminglinux-01.err --pid-file=/data/mysql/aminglinux-01.pid --socket=/tmp/mysql.sock --port=3306
root 2066 0.0 0.0 112676 984 pts/0 S+ 15:10 0:00 grep --color=auto mariadb
# netstat -lntp | grep 3306
tcp6 0 0 :::3306 :::* LISTEN 2021/mysqld