前置机环境配置

• java 安装，环境配置

这里解压后的安装包存放在/app目录下，jdk1.7.0.79为安装包

1）配置环境变量

     vim /etc/profile

         #jdk env

         JAVA_HOME=/app/jdk1.7.0_79

         PATH=$PATH:$JAVA_HOME/bin:JRE_HOME/bin

         CLASSPATH=.:$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/dt.jar

         PATH=$JAVA_HOME/bin:$PATH

         export JAVA_HOME CLASSPATH PATH

2）使配置生效

      source /etc/profile

3）查看JDK版本

      java -version

 

二）tomcat安装

1)解压tomcat安装包

      tar -xvf apache...

 

2)启动tomcat进入bin目录下执行文件

      cd /apache/bin/

3)执行启动文件

      ./starup.sh

 

4)测试tomcat

  打开防火墙使外部可以访问

      /sbin/iptables -I INPUT -p tcp --dport 8080 -j ACCEPT

      service iptable save

      service iptable restart

或直接修改文件/etc/sysconfig/iptables

      vim /etc/sysconnfig/iptables

         -A INPUT -p tcp -m tcp --dport 8080 -j accept

1. 查看tomcat日志

 tail -f logs/catalina.out

        

三) mysql安装

linux下安装mysql5.7.17及简单配置

1.mysql5.7.17安装在/usr/local/mysql目录里面，也可以安装在其他地方 （安装包最好与Linux系统一样，eg;32位的就是“mysql-5.7.17-linux-glibc2.5-i686.tar.gz”，官网可下载）

 

 mkdir /app/mysql

2.解压并复制

 

tar -xvf mysql-5.7.17-linux-glibc2.5-i686.tar.gz

mv mysql-5.7.17-linux-glibc2.5-i686.tar.gz/* /app/mysql/ 

 

3.创建data目录（很重要！）

 

mkdir /app/mysql/data 

 

4.创建mysql用户和修改权限

useradd mysql

groupadd mysql 

chown -R mysql.mysql /app/mysql/ 

5.初始化数据

 

[root@localhost mysql] ./bin/mysql_install_db --user=mysql --basedir=/app/mysql/ --datadir=/app/mysql/data/

2016-01-20 02:47:35 [WARNING] mysql_install_db is deprecated. Please consider switching to mysqld --initialize 

2016-01-20 02:47:45 [WARNING] The bootstrap log isn't empty: 

2016-01-20 02:47:45 [WARNING] 2016-01-19T18:47:36.732678Z 0 [Warning] --bootstrap is deprecated. Please consider using --initialize instead 

2016-01-19T18:47:36.750527Z 0 [Warning] Changed limits: max_open_files: 1024 (requested 5000) 

2016-01-19T18:47:36.750560Z 0 [Warning] Changed limits: table_open_cache: 431 (requested 2000) 

6. 复制配置文件到 /etc/my.cnf

 

cp -a ./support-files/my-default.cnf /etc/my.cnf (选择y) 

7. mysql的服务脚本放到系统服务中

cp -a ./support-files/mysql.server /etc/init.d/mysqld 

修改my.cnf文件    （vim /etc/my.cnf）

# These are commonly set, remove the # and set as required. 

basedir = /app/mysql 

datadir = /app/mysql/data 

port = 3306 

# server_id = ..... 

socket = /tmp/mysql.sock 

character-set-server = utf8

lower_case_table_names =1

# Remove leading # to set options mainly useful for reporting servers. 

# The server defaults are faster for transactions and fast SELECTs. 

# Adjust sizes as needed, experiment to find the optimal values. 

# join_buffer_size = 128M 

# sort_buffer_size = 2M 

# read_rnd_buffer_size = 2M  

 

8.启动mysql

service mysqld start  

ps -ef        #查看是启动

9.查看初始化自动生成的密码：   cat /root/.mysql_secret  （记住并复制下来，等会登陆mysql需要）

 

10.进入mysql：bin/mysql -uroot -p  （把刚刚复制的密码粘贴上来）

 

11.登录后重置root密码

 

mysql> SET PASSWORD  FOR 'root'@localhost = PASSWORD（'123456'）；

 

Query OK, 0 rows affected, 1 warning (0.00 sec)

 

MySQL用户赋权及开启远程

修改root用户密码

update mysql.user set authentication_string=password('qhszwsjzydj') where user='root' and Host = 'localhost';

 

四） 赋权root用户可以远程登录所有库

 grant all privileges  on *.* to root@'%' identified by "qhszwsjzydj";

提交

flush privileges;

创建数据库dj_gsj

create database dj_sjj

创建用户 djsjj密码为djsjjdb

CREATE USER djsjj@'%' IDENTIFIED BY 'djsjjdb';

赋权djkjt用户只能操作dj_kjt

grant all privileges  on dj_sjj.* to djsjj@'%' identified by "djsjjdb";

 

GRANT SELECT, INSERT, UPDATE, REFERENCES, DELETE, CREATE, DROP, ALTER, INDEX, CREATE VIEW, SHOW VIEW ON `db_test`.* TO 'user_test'@'localhost';