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export JAVA_HOME=/usr/local/jdk
export PATH=$JAVA_HOME/bin:$PATH

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通过xftp6上传到/usr/local下
解压tar -zxvf apache-tomcat-8.5.59.tar.gz
mv apache-tomcat-8.5.59/ tomcat 【重命名】

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cd tomcat/
bin/startup.sh

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查询端口是否打开 firewall-cmd --permanent --query-port=8080/tcp
打开8080端口 firewall-cmd --permanent --add-port=8080/tcp
刷新 firewall-cmd --reload

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通过xftp6上传到/usr/local下
解压tar -xvf mysql-8.0.28-linux-glibc2.12-x86_64.tar.xz
mv mysql-8.0.28-linux-glibc2.12-x86_64 mysql 【重命名】

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cd /usr/local/  
groupadd mysql  #增加组
useradd -r -g mysql mysql #增加用户并加入mysql组

cd mysql/  #注意：进入mysql文件下授权所有的文件
chown -R mysql:mysql ./ #把mysql文件夹所有文件所有者变为mysql组的mysql用户

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bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data

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chown -R root:root ./
chown -R mysql:mysql data

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cd support-files/
touch my-default.cnf
chmod 777 ./my-default.cnf 
cd ../
cp support-files/my-default.cnf /etc/my.cnf 

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[mysqld]
 
# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
# innodb_buffer_pool_size = 128M
 
# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
# log_bin
 
# These are commonly set, remove the # and set as required.
basedir = /usr/local/mysql
datadir = /usr/local/mysql/data
socket = /tmp/mysql.sock
log-error = /usr/local/mysql/data/error.log
pid-file = /usr/local/mysql/data/mysql.pid
tmpdir = /tmp
port = 3306
#lower_case_table_names = 1
# server_id = .....
# socket = .....
#lower_case_table_names = 1
max_allowed_packet=32M
default-authentication-plugin = mysql_native_password
#lower_case_file_system = on
#lower_case_table_names = 1
log_bin_trust_function_creators = ON
# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M 
 
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

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cd support-files/
cp mysql.server /etc/init.d/mysql 
chmod +x /etc/init.d/mysql

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chkconfig --add mysql
chkconfig --list mysql

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vim /etc/ld.so.conf
 
添加如下内容:
/usr/local/mysql/lib

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cd /usr/local/mysql/bin
mysql -uroot -p
这里输入之前生成的密码
alter user 'root'@'localhost' identified by '123456'; 修改密码
exit后用新密码重新连接

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# mysql -uroot -p #进入数据库
> use mysql;#进入数据库
> select host, user, authentication_string, plugin from user;#查看用户信息
> GRANT ALL ON *.* TO 'root'@'%';#授权root用户可以远程登陆
> flush privileges;#立即生效
> ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY '123456';#修改root用户密码
> FLUSH PRIVILEGES;#立即生效
> exit;#退出
# service mysql restart#重启mysql服务

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update user set host='%' where user='root'; #修改host
GRANT ALL ON *.* TO 'root'@'%';
GRANT ALL ON *.* TO 'root'@'%'; #连续输入两次 解决

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查询端口是否打开 firewall-cmd --permanent --query-port=3306/tcp
打开3306端口 firewall-cmd --permanent --add-port=3306/tcp
刷新 firewall-cmd --reload