jdk 下载
镜像
cd /tmp
# 解压到指定目录
sudo tar -zxf jdk-8xxx.tar.gz -C /usr/local
cd /usr/local
# 重命名
sudo mv jdk1.8.0_211/ jdk8/
# 修改配置文件 配置环境变量
vim ~/.profile
# 文件末尾追加
export JAVA_HOME=/usr/local/jdk8
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=$JAVA_HOME/bin:$PATH
# 重新加载配置文件
. ~/.profile
# 测试
java -version
maven
wget https://dlcdn.apache.org/maven/maven-3/3.9.1/binaries/apache-maven-3.9.1-bin.tar.gz
sudo tar -zxf apache-maven-3.6.3-bin.tar.gz -C /usr/local
sudo mv /usr/local/apache-maven-3.9.1 /usr/local/maven
vim ~/.profile
export MAVEN_HOME=/usr/local/maven
export PATH=$PATH:${MAVEN_HOME}/bin
# 重新加载配置文件
. ~/.profile
# 测试
mvn -v
mysql
MySQL Community Downloads
阿里云镜像下载地址
sudo apt install -y mysql-server
# 查看状态
sudo systemctl status mysql
mysql --version
sudo mysql
# 修改密码
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'root';
FLUSH PRIVILEGES;