在Linux上的项目环境搭建

---

官网下载VMware：https://www.vmware.com/cn/products/workstation-pro/workstation-pro-evaluation.html

密钥：UY758-0RXEQ-M81WP-8ZM7Z-Y3HDA

CentOS 7官网下载：https://www.centos.org/download/

阿里云镜像下载：http://mirrors.aliyun.com/centos/7/isos/x86_64/

---

1. 安装jdk

1. 首先需要卸载系统自带的jdk

rpm -qa | grep jdk

rpm -e --nodeps java-1.8.0-openjdk-headless-1.8.0.242.b08-1.el7.x86_64

rpm -e --nodeps copy-jdk-configs-3.3-10.el7_5.noarch

rpm -e --nodeps java-1.8.0-openjdk-1.8.0.242.b08-1.el7.x86_64

2. 在/usr/local/下创建java目录，传输jdk的rpm包至该路径，用以下命令安装：

rpm -ivh jdk-8u221-linux-x64.rpm

3. 配置环境变量

vi /etc/profile

JAVA_HOME=/usr/java/jdk1.8.0_221-amd64
CLASSPATH=%JAVA_HOME%/lib:%JAVA_HOME%/jre/lib
PATH=$PATH:$JAVA_HOME/bin:$JAVA_HOME/jre/bin
export PATH CLASSPATH JAVA_HOME

4. 让环境变量配置生效

source /etc/profile

---

2. 安装Tomcat

1. 在/usr/local/下创建tomcat目录，传送tomcat包至该路径并解压：

tar -zxvf apache-tomcat-9.0.34.tar.gz

2. 进入bin目录，启动tomcat

./startup.sh

3. 开放8080端口

• 检测防火墙状态，如果是关闭状态，需要先开启防火墙

firewall-cmd --state

• 开启防火墙

systemctl start firewalld.service

• 开启端口

firewall-cmd --zone=public --add-port=8080/tcp --permanent

• 重启防火墙

systemctl restart firewalld.service

• 重新载入配置

firewall-cmd --reload

---

3. 安装mysql

1. 在/usr/local/下创建mysql目录，传送mysql包并解压：

tar -xvf mysql-8.0.20-1.el7.x86_64.rpm-bundle.tar

2. 删除自带的mariadb

查看mariadb
rpm -qa |grep mariadb
强制删除mariadb
rpm -e mariadb-libs-5.5.65-1.el7.x86_64 --nodeps

3. 安装4个：common、libs、client、server

rpm -ivh mysql-community-common-8.0.20-1.el7.x86_64.rpm --nodeps --force
rpm -ivh mysql-community-libs-8.0.20-1.el7.x86_64.rpm --nodeps --force
rpm -ivh mysql-community-client-8.0.20-1.el7.x86_64.rpm --nodeps --force
rpm -ivh mysql-community-server-8.0.20-1.el7.x86_64.rpm --nodeps --force

4. 初始化mysql

mysqld --initialize

如果报错：mysqld: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory

yum install -y libaio

5. 授权防火墙

chown mysql:mysql /var/lib/mysql -R
systemctl start mysqld.service
systemctl enable mysqld

6. 查看数据库初始化密码

cat /var/log/mysqld.log | grep password

=wy727d4A%.?

7. 登录数据库

mysql -uroot -p
=wy727d4A%.?

8. 修改密码

ALTER USER "root"@"localhost" IDENTIFIED BY "123456";

9. 开启远程访问

create user "root"@"%" identified with mysql_native_password by "123456";

grant all privileges on *.* to "root"@"%" with grant option; 

flush privileges;

10. 开放3306端口

firewall-cmd --zone=public --add-port=3306/tcp --permanent
systemctl restart firewalld.service
firewall-cmd --reload

11. 时区+8

set global time_zone="+8:00";