Linux java mysql 安装

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0. 关闭防火墙
    chkconfig iptables off

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1. 空白的 centos6
   修改 host 
    vi /etc/sysconfig/network 
    HOSTNAME=mechine001
    vi /etc/hosts
    127.0.0.1 mechine001  localhost localhost.localdomain localhost4 localhost4.localdomain4
    ::1       mechine001  localhost localhost.localdomain localhost6 localhost6.localdomain6

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2. 切换到root 用户 ，su  root
   chmod 777 /etc/sudoers
   root  ALL=(ALL)    ALL
   baoyou    ALL=(ALL)    ALL
   %wheel  ALL=(ALL)   ALL
   %wheel  ALL=(ALL)   nopasswd:ALL
   chmod 644 /etc/sudoers
  可以获取root 用户了

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3. 在 /home/baoyou 下创建 package 、soft 文件夹

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4.安装java 
   下载 jdk jre-7u5-linux-i586.tar.gz
    解压 tar -zxvf jre-7u5-linux-i586.tar.gz 
    移动到 mv  jre1.7.0_05 ../soft/jre1.7.0_05
    修改配置文件  sudo -s
        vi /etc/profile 
        export JAVA_HOME=/home/baoyou/soft/jre1.7.0_05/
        export PATH=.:$JAVA_HOME/bin:$PATH
        source /etc/profile
	java -version

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5.安装 maven
    下载  apache-maven-3.2.3-bin.tar.gz
    解压   tar -zxvf  apache-maven-3.2.3-bin.tar.gz
    移动   mv  apache-maven-3.2.3 ../soft/maven
    修改配置文件  sudo -s
         vi /etc/profile 
         export MAVEN_HOME=/home/baoyou/soft/maven/
         export PATH=$JAVA_HOME/bin:$MAVEN_HOME/bin:$PATH
         source /etc/profile
	 mvn -v

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6.安装 nenux
     下载  nexus-2.11.4-01-bundle.tar.gz
     解压 tar -zxvf  nexus-2.11.4-01-bundle.tar.gz
     移动 mv  nexus-2.11.4-01 ../soft/nexus
     修改配置文件  
        进入 cd soft/nexus
	sudo chown -R baoyou:baoyou *
        cd bin
	./nexus start  成功启动

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7.安装 mysql 卸载 mysql 
	rpm -qa | grep -i mysql
	rpm -e --nodeps xxx
	rpm -ev xxxx 

	rpm --import /etc/pki/rpm-gpg/RPM*

	yum remove xxx

	rm -rf /usr/lib/mysql
	rm -rf /usr/include/mysql
	rm -rf /etc/my.cnf
	rm -rf /etc/init.d/mysql
	rm -rf /var/lib/mysql
	rm -rf /etc/init.d/mysql

	rpm -ivh   xxx


	rpm -ivh MySQL-server-5.6.15-1.el6.x86_64.rpm

	cp /usr/share/mysql/my-default.cnf /etc/my.cnf
	/usr/bin/mysql_install_db
	service mysql start
	cat /root/.mysql_secret  #查看root账号密码
	mysql -uroot –pxxxxx

	SET PASSWORD = PASSWORD(‘root‘);

	远程登录
	 use mysql;
	 select host,user,password from user;
	update user set password=password(‘root‘) where user=‘root‘;
	
	update user set host=‘%‘ where user=‘root‘ and host=‘localhost‘;
        或者
	GRANT ALL PRIVILEGES ON *.* TO ‘root‘@‘%‘ IDENTIFIED BY ‘root‘ WITH GRANT OPTION;
	
	flush privileges;

	开机自启动
	chkconfig mysql on
	chkconfig --list | grep mysql



	/var/lib/mysql/               #数据库目录
	/usr/share/mysql              #配置文件目录
	/usr/bin                     #相关命令目录
	/etc/init.d/mysql              #启动脚本

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Linux java mysql 安装

原文：http://knight-black-bob.iteye.com/blog/2259836