linux虚拟机mysql

mysql安装

wget https://repo.mysql.com//mysql80-community-release-el7-1.noarch.rpm
rpm -ivh mysql80-community-release-el7-1.noarch.rpm
yum clean all
yum makecache
yum repolist all | grep mysql
yum-config-manager --disable mysql80-community #关闭8.0版本
yum-config-manager --enable mysql57-community #开启5.7版本
yum install mysql-community-server
yum install -y mariadb-server
systemctl start mariadb.service
systemctl enable mariadb.service
mysql_secure_installation
use mysql
select User,authentication_string,Host from user
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456'

jdk安装

wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u131-b11/d54c1d3a095b4ff2b6607d096fa80163/jdk-8u131-linux-x64.rpm
命令：chmod +x jdk-8u131-linux-x64.rpm
命令：rpm -ivh jdk-8u131-linux-x64.rpm
命令：java -version
命令：vim /etc/profile
输入命令：wq!
让profile立即生效：source /etc/profile
export JAVA_HOME=/usr/java/jdk1.8.0_131
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib:$CLASSPATH
export JAVA_PATH=${JAVA_HOME}/bin:${JRE_HOME}/bin
export PATH=$PATH:${JAVA_PATH}

tomcat安装

wget  https://mirrors.cnnic.cn/apache/tomcat/tomcat-9/v9.0.65/src/apache-tomcat-9.0.65-src.tar.gz
tar -xzvf apache-tomcat-9.0.6.tar.gz
3.移动到/usr/local/下mv apache-tomcat-9.0.6 /usr/local/apache-tomcat-9.0.6
chmod u+x *.sh
ln -s /usr/local/apache-tomcat-9.0.6 /usr/local/tomcat
.(/etc/profile)，按如下修改完成后执行 source /etc/profile
./startup.sh