tomcat+java环境安装
一 、安装JDK#chmod +x jdk-6u31-linux-i586-rpm.bin //给文件加入执行权限
#./jdk-6u31-linux-i586-rpm.bin//生成安装文件,运行完此命令后会生成一个jdk-6u13-linux-i586.rpm
#rpm -ivh jdk-6u31-linux-i586.rpm //安装文件，默认安装到了/usr/java/jdk1.6.0_31下
#vi /etc/profice //更改环境变量，此次我们更改的是所有用户的环境变量，打开文件后在最后加入下面三行变量
export JAVA_HOME=/usr/java/jdk1.6.0_31
export CLASSPATH=$CLASSPATH:$JAVA_HOME/lib:$JAVA_HOME/jre/lib
export PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH:$HOMR/bin
做新的连接，进入/usr/bin目录下
#ln -s -f /usr/java/jdk1.6.0_31/jre/bin/java
#ln -s -f /usr/java/jdk1.6.0_31/bin/javac
# source /etc/profile //运行环境变量
#java –version //查看java版本，显示版本是1.6.0_31证明安装成功！
二、安装MYSQL
# yuminstall gcc-c++ ncurses ncurses-devel
#tar -zxvf mysql-5.1.54.tar.gz //解压
#cd mysql-5.1.54
#./configure --prefix=/usr/local/mysql --with-extra-charsets=all --enable-thread-safe-client --enable-assembler --with-charset=utf8 --enable-thread-safe-client --with-extra-charsets=all --with-big-tables --with-readline --with-ssl --with-embedded-server --enable-local-infile
#make
#make install
#groupadd mysql //创建组mysql
#useradd -s /sbin/nologin -M -g mysql mysql//把mysql加入到mysql组
#cp /usr/local/mysql/share/mysql/my-medium.cnf /etc/my.cnf //copy配置文件
#/usr/local/mysql/bin/mysql_install_db --user=mysql //初始化数据库
#chown -R mysql /usr/local/mysql/var
#chgrp -R mysql /usr/local/mysql/.
#/usr/local/mysql/bin/mysqld_safe --user=mysql & //启动数据库
#cp /usr/local/mysql/share/mysql/mysql.server /etc/init.d/mysqld //复制启动文件
#chmod 755 /etc/init.d/mysqld
#cat > /etc/ld.so.conf.d/mysql.conf
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