Linux 安装MySQL5.7.18
https://dev.mysql.com/downloads/mysql/
Linux-Generic
md5sum mysql-5.7.18-linux-glibc2.5-x86_64.tar.gz
Linux环境检查
1 关闭numa
[root@node130 ~]# vim /boot/grub/grub.conf
title Red Hat Enterprise Linux (2.6.32-358.el6.x86_64)
root (hd0,0)
kernel /vmlinuz-2.6.32-358.el6.x86_64 ro root=UUID=cb7d8bdc-28a5-4dbd-b04a-3ad9ee3e6bba rd_NO_LUKS rd_NO_LVM LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb quiet numa=off
[root@node130 ~]# numactl --hardware
[root@node130 ~]#numactl --show
2限制设置 /etc/security/limits.conf
[root@node130 ~]# vim /etc/security/limits.conf
* soft nofile 1024000
* hard nofile 1024000
* soft nproc unlimited
* hard nproc unlimited
* soft core unlimited
* hard core unlimited
* soft memlock unlimited
* hard memlock unlimited
3 Swap
[root@node130 ~]# vim /etc/sysctl.conf
vm.swappiness=0
sysctl -p 生效
[root@node130 ~]# sysctl -a|grep swap
vm.swappiness = 0
6 selinux & iptables
selinux:
[root@node130 ~]# vim /etc/sysconfig/selinux
SELINUX=disabled
SELINUXTYPE=targeted
[root@node130 ~]# getenforce
Disabled
setenforce 0
getenforce
chkconfig --list|grep iptables
chkconfig --del iptables
[root@node130 ~]# chkconfig --list|grep iptables
iptables 0:off 1:off 2:off 3:off 4:off 5:off 6:off
[root@node130 ~]# chkconfig --del iptables
[root@node130 ~]# chkconfig --list|grep iptables
[root@node130 ~]# reboot
1创建账户
[root@node130 home]# groupadd mysql
[root@node130 home]# useradd -g mysql -d /user/local/mysql -s /sbin/nologin -M mysql
[root@node130 home]# id mysql
uid=505(mysql) gid=506(mysql) groups=506(mysql)
[root@node130 home]# mkdir /opt/mysql
[root@node130 mysql]# tar xvf mysql-5.7.18-linux-glibc2.5-x86_64.tar.gz
[root@node130 ~]# cd /usr/local/
cd /user/local/
[root@node130 local]# ln -s /opt/mysql/mysql-5.7.18-linux-glibc2.5-x86_64 mysql
[root@node130 local]# chown -R mysql:mysql mysql/
[root@node130 mysql]# echo "export PATH=$PATH:/usr/local/mysql/bin">>/etc/profile
[root@node130 mysql]# source /etc/profile
/data 是一个单独挂载的分区
[root@node130 mysql]# mkdir -p /data/mysql/mysql_3306/{data,logs,tmp}
[root@node130 mysql_3306]# chown -R mysql:mysql /data/mysql/mysql_3306/
[root@node130 ~]# cp /opt/my.cnf /etc/
初始化
[root@node130 mysql]# ./bin/mysqld --defaults-file=/etc/mysql3306.cnf --initialize
[root@node130 mysql]# cat /data/mysql/mysql_3306/data/error.log |grep password
2017-04-28T06:36:55.453219Z 1 [Note] A temporary password is generated for root@localhost: rFcPw<f;k4+1
启动
[root@node130 mysql]# cp support-files/mysql.server /etc/init.d/mysql
[root@node130 mysql]# /etc/init.d/mysql start
Starting MySQL...................... SUCCESS!
cp support-files/mysql.server /etc/init.d/mysql
or
[root@node130 ~]# /usr/local/mysql/bin/mysqld --defaults-file=/etc/my.cnf &
[1] 2787
[root@node130 tmp]# mysql -S /tmp/mysql.sock -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.7.18-log
Copyright (c) 2000, 2017, 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.
"(unknown)@localhost:mysql.sock [(none)]>alter user user() identified by '123456';
Query OK, 0 rows affected (0.01 sec)
"root@localhost:mysql.sock [(none)]>show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sys |
+--------------------+
4 rows in set (0.09 sec)
"root@localhost:mysql.sock [(none)]>exit
Bye
[root@node130 etc]# mysqladmin -S /tmp/mysql.sock -p shutdown
Enter password:
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