1、安装jre1.8
[root@localhost ~]# cd/home/ -->跳转到home
[root@localhost home] # ll data/ -->要安装的安装包都在data下
[root@localhost home] # cd data/ -->跳转到data下
[root@localhost data] # tar -zxvf server-jre-8u131-linuc-64.tar.gz -->解压文件
[root@localhost data] # mkdir /home/java -->创建一个java文件夹
[root@localhost data] # cd .. -->进入上一层目录
[root@localhost home] # mv /home/data/jdk1.8.0_131/ /home/java/ -->剪切jdk到java/文件夹下
[root@localhost home] # chown root:root -R /home/java/jdk1.8.0_131 -->授权
[root@localhost home] # vi /etc /profile -->打开配置文件,配置环境变量
在文件的末尾加上一下配置:
export JAVA_HOME=/home/java
export JRE_HOME=/home/java/jdk1.8.0_131
export CLASSPATH=$JRE_HOME/lib/rt.jar:JRE_HOME?lib/ext
export PATH=$PATH:$JRE_HOME/bin
然后:wq 保存退出
w! --> 强制保存
[root@localhost home] #source /etc/profile -->使之生效
[root@localhost home] # java -version --> 查看是否生效
2、mysql安装:
复制mysql下载地址,
[root@localhost ~] # wget mysql下载地址 -->自动下载
[root@localhost home] # yum -y localinstall mysql57-community-release-el7-11.noarch.rpm -->安装mysql源
[root@localhost ~] # yum -y install mysql -community -server -->安装mysql
[root@localhost ~] # systemctl start mysqld --> 启动mysql服务
[root@localhost ~] # systemctl enable mysqld -->设置开机启动
[root@localhost ~]# systemctl daemon-reload
修改root本地登录密码:
[root@localhost ~]# vi /var/log/mysqld.log -->查看日志
/temporary 查询临时密码
[root@localhost ~]# mysql -u root -p -->登录mysql
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'YY2018.com'; -->设置密码
设置允许远程连接:
mysql>GRENT ALL PRIVILEGES ON *.* TO 'root'@'%'IDENTIFIED BY 'YY2018.com' WITH GRANT OPTION;
mysql>exit -->退出
[root@localhost ~]# firewall -cmd --zone=public --add-port=3306/tcp --permanent -->设置端口
[root@localhost ~]# firewall -cmd--reload
配置默认编码为utf-8:
[root@localhost ~]# vi /etc/my.cnf -->打开配置文件
在配置文件[mysqld]后加上一下代码:
character_set_server=utf-8
init_connect='SET NAMES utf-8'
保存之后重启mysql服务:
[root@localhost ~]# systemctl restart mysqld
登录后查看编码:
mysql>show variables like'%character%';
3、安装tomcat:
[root@localhost data]# tar -zxvf apache-tomcat-8.5.16-->解压tomcat
[root@localhost home]# mkdir tomcat -->创建tomcat文件夹
[root@localhost home]# mv /home/data/apache-tomcat-8.5.16 /home/tomcat/ -->剪切tomcat到/tomcat下
[root@localhost home]# vi /home/tomcat/apache-tomcat-8.5.16/conf/server.xml -->修改端口为80
[root@localhost home]# firewall -cmd --zone=public --add-port=80/tcp --permanent配置防火墙,开放80端口
[root@localhost home]# /home/tomcat/apache-tomcat-8.5.16/bin/startup.sh -->启动tomcat