目录
1.jdk安装
[root@localhost opt]# cd /usr/local/
[root@localhost local]# mkdir java
2.tomcat的安装（开机自启动）
[root@localhost java]# cd /opt/
[root@localhost opt]# tar -zxvf apache-tomcat-8.5.20.tar.gz -C /usr/local/java[root@localhost java]# cd apache-tomcat-8.5.20/bin/
[root@localhost bin]# ./startup.sh[root@localhost bin]# cp /usr/local/java/apache-tomcat-8.5.20/bin/catalina.sh /etc/init.d
[root@localhost bin]# cd /etc/init.d/
[root@localhost init.d]# mv catalina.sh tomcat 
3.MySQL的安装
[root@localhost ~]# rpm -qa|grep mariadb
mariadb-libs-5.5.56-2.el7.x86_64
[root@localhost ~]# rpm -e --nodeps mariadb-libs-5.5.56-2.el7.x86_64
[root@localhost ~]# rpm -qa|grep mariadb[root@localhost ~]# cd /usr/local/java/
[root@localhost java]# mkdir mysql-5.7[root@localhost java]# cd /opt
[root@localhost opt]# tar -xvf mysql-5.7.35-1.el7.x86_64.rpm-bundle.tar -C /usr/local/java/mysql-5.7/rpm -ivh mysql-community-common-5.7.35-1.el7.x86_64.rpm
rpm -ivh mysql-community-libs-5.7.35-1.el7.x86_64.rpm
rpm -ivh mysql-community-client-5.7.35-1.el7.x86_64.rpm
rpm -ivh mysql-community-server-5.7.35-1.el7.x86_64.rpm
[root@localhost mysql-5.7]# systemctl start mysqld
[root@localhost mysql-5.7]# systemctl enable mysqld.service
[root@localhost mysql-5.7]# grep "password" /var/log/mysqld.log
2024-02-24T09:47:07.400066Z 1 [Note] A temporary password is generated for root@localhost: ro.*hxccr9oL
[root@localhost mysql-5.7]# mysql -uroot -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
