UBUNTU20.04安装mysql8.0.21

安装
修改密码

sudo apt-get update
sudo apt-get install -y mysql-server mysql-clien

2. 复制/etc/mysql/debian.cnf中的password,
   可用sudo cat /etc/mysql/debian.cnf 查看
3. 修改配置

sudo vi /etc/mysql/mysql.conf.d/mysqld.cnf

[mysqld]
skip-grant-table

~#  mysql -uroot -p
~# use mysql;
~# flush privileges;
~# ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '新密码';
~# flush privileges;

service mysql restart

6. 安装java1.8

sudo apt install openjdk-8-jre-headless   # version 8u265-b01-0ubuntu2~20.04
java -version

7. 安装maven

su root
mkdir /usr/local/maven
cd /usr/local/maven
wget https://mirrors.tuna.tsinghua.edu.cn/apache/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz
tar -zxvf apache-maven-3.6.3-bin.tar.gz
rm apache-maven-3.6.3-bin.tar.gz
sudo vim /etc/profile   //修改配置文件，添加两行代码

export M2_HOME=/usr/local/maven/apache-maven-3.6.1

export PATH=${M2_HOME}/bin:$PATH

保存退出 :wq

source /etc/profile
mvn -v