centos7安装mysql+tomcat+jdk并设置开机自启（已测试）

vim /etc/profile

http_proxy=192.168.228.120:8888
https_proxy=192.168.228.120:8888
ftp_proxy=192.168.228.120:8888
export http_proxy https_proxy ftp_proxy

service network restart

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

#解压
tar -xzvf jdk-8u172-linux-x64.gz

vim /etc/profile

#在/etc/profile文件中配置环境变量
JAVA_HOME=/home/tools/jdk1.8.0_172
PATH=$JAVA_HOME/bin:$PATH
CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export JAVA_HOME
export PATH
export CLASSPATH

#刷新文件
source /etc/profile

#下载官方包
wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm

#加载入yum中
yum -y install mysql57-community-release-el7-10.noarch.rpm

#安装mysql
yum install java-1.8.0-openjdk.x86_64

#启动mysql
systemctl start mysqld.service

#查看mysql密码
grep "password" /var/log/mysqld.log

#修改mysql密码
##进入mysql,设置密码策略为low
mysql -uroot -pxxxx
set global validate_password_policy=LOW;
ALTER USER ‘root‘@‘localhost‘ IDENTIFIED BY ‘zxyt2018‘;

#修改mysql访问权限
use mysql
update user set host = ‘%‘ where user = ‘root‘;
flush privileges;

#防火墙管理
systemctl stop firewalld
systemctl disable firewalld.service

#解压
tar -xzvf apache-tomcat-8.5.9.tar.gz

#将tomcat加入环境变量
vim apache-tomcat-8.5.39/bin/catalina.sh

#加入下面命令大概在 143 行 :set number 143
CATALINA_PID="$CATALINA_BASE/tomcat.pid"

#/usr/lib/systemd/system下创建文件tomcat.service
systemctl enable tomcat #设置开机自启
systemctl start/stop/ restart tomcat 开始/停止/重启 tomcat

[Unit]
Description=tomcat
After=syslog.target network.target remote-fs.target nss-lookup.target
 
[Service]
Type=forking
 
Environment="JAVA_HOME=/home/tools/jdk1.8.0_172"
 
PIDFile=/home/tools/apache-tomcat-8.5.9/tomcat.pid
ExecStart=/home/tools/apache-tomcat-8.5.9/bin/startup.sh
ExecStop=/home/tools/apache-tomcat-8.5.9/bin/shutdown.sh
ExecReload=/bin/kill -s HUP $MAINPID
PrivateTmp=true
 
[Install]
WantedBy=multi-user.target