linux系统安装

linux 系统安装

1. 更新系统

5. 挂磁盘
https://help.aliyun.com/document_detail/25426.html?spm=5176.208355.1107600.19.21335771o1rUUo

2. 装jdk
# 上传rpm包
rpm -ivh jdk-8u161-linux-x64.rpm
cd /usr/java
chmod +x -R jdk1.8.0_161/
# profile文件中添加如下内容
#set java environment
JAVA_HOME=/usr/java/jdk1.8.0_161
JRE_HOME=/usr/java/jdk1.8.0_161/jre
CLASS_PATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib
PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin
export JAVA_HOME JRE_HOME CLASS_PATH PATH
source /etc/profile
java -version
javac -version

3. 装mysql
# 下载mysql源安装包
https://dev.mysql.com/get/mysql80-community-release-el7-1.noarch.rpm
# 安装mysql源
yum localinstall mysql80-community-release-el7-1.noarch.rpm
# 检查mysql源是否安装成功
yum repolist enabled | grep "mysql.*-community.*"
# 修改vim /etc/yum.repos.d/mysql-community.repo源，改变默认安装的mysql版本
# Enable to use MySQL 5.6
[mysql56-community]
name=MySQL 5.6 Community Server
baseurl=http://repo.mysql.com/yum/mysql-5.6-community/el/7/$basearch/
enabled=1 # 1是安装，0是不安装
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
# 安装MySQL
yum install mysql-community-server
# 启动MySQL服务
systemctl start mysqld
# 查看MySQL的启动状态
systemctl status mysqld
# 开机启动
systemctl enable mysqld
systemctl daemon-reload
# 登录mysql，修改密码，5.6默认密码为空
mysql -u root -p
# 查看原有的配置
select host,user,password from mysql.user;
# 使用update修改密码
update mysql.user set password=password('Que1805*') where user='root';
# mysql 文件夹
默认 /var/lib/mysql
# 配置mysql访问权限
https://blog.csdn.net/warrior_wjl/article/details/37935733
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'Que1805*' WITH GRANT OPTION;

4. 放开阿里云策略端口 80(httpd) 3306(mysql)