tar -xvf mysql-5.7.24-linux-glibc2.12-x86_64.tar.gz -C ../
cd ..
mv mysql-5.7.24-linux-glibc2.12-x86_64/ mysql5.7
useradd -s /sbin/nologin -M mysql
mkdir -p /app/mysql5.7/{etc,logs,tmp}

bin/mysqld --initialize --basedir=/app/mysql5.7/ --datadir=/app/mysql5.7/data --user=mysql

# bin/mysqld --initialize --basedir=/app/mysql5.7/ --datadir=/app/mysql5.7/data --user=mysql
2018-11-25T03:03:16.299117Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2018-11-25T03:03:16.946059Z 0 [Warning] InnoDB: New log files created, LSN=45790
2018-11-25T03:03:17.033699Z 0 [Warning] InnoDB: Creating foreign key constraint system tables.
2018-11-25T03:03:17.089657Z 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: a7fef663-f05e-11e8-b1f5-08002728f0e4.
2018-11-25T03:03:17.090377Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened.
2018-11-25T03:03:17.090784Z 1 [Note] A temporary password is generated for root@localhost: m:fw/7on%>Bh

chown -R mysql .
vim /app/mysql5.7/etc/my.cnf
[mysqld]
daemonize = on
user = mysql
port = 3306
basedir = /app/mysql5.7
datadir = /app/mysql5.7/data
socket = /tmp/mysql.sock
bind-address = 0.0.0.0
pid-file = /app/mysql5.7/tmp/mysqld.pid
character-set-server = utf8
collation-server = utf8_general_ci
max_connections = 2408
log-error = /app/mysql5.7/logs/mysqld.log

vim /lib/systemd/system/mysqld.service
[Unit]
Description=MySQL Server
Documentation=man:mysqld(8)
Documentation=http://dev.mysql.com/doc/refman/en/using-systemd.html
After=network.target
After=syslog.target
[Install]
WantedBy=multi-user.target
[Service]
User=mysql
Group=mysql
Type=forking
TimeoutSec=0
PermissionsStartOnly=true
ExecStart=/app/mysql5.7/bin/mysqld --defaults-file=/app/mysql5.7/etc/my.cnf
LimitNOFILE = 5000
Restart=on-failure
RestartPreventExitStartus=1
PrivateTmp=false

systemctl restart mysqld
systemctl enable mysqld

vim /etc/profile
export PATH=$PATH:/app/mysql5.7/bin
source /etc/profile
mysql -uroot -p
alter user 'root'@'localhost' IDENTIFIED BY 'Devops@2018';