*环境安装
服务列表：
1、mysql服务
2、keepalived
3、ipvsadm
4、JDK
5、Tomcat Server
6、NFS
Ubuntu1404环境：
一、安装mysql：
apt-get install mysql-server mysql-client
根据提示输入数据库的root密码
service mysql restart
出现“mysql start/running, process 6905”表示安装成功
##安装插件让apache支持mysql
apt-get install libapache2-mod-auth-mysql
##如需php支持mysql，可安装如下插件
apt-get install php5-mysql
二、安装keepalived
##安装依赖库
apt-get install libssl-dev
apt-get install openssl
apt-get install libpopt-dev
##安装keepalived
apt-get install keepalived
mkdir -p /var/lock/subsys
三、安装ipvsadm
apt-get install ipvsadm
四、安装JDK
官网下载JDK1.8
wget http://download.oracle.com/otn-pub/java/jdk/8u131-b11/d54c1d3a095b4ff2b6607d096fa80163/jdk-8u131-linux-x64.tar.gz?AuthParam=1496841664_1a1fa8fed239c2b6b70f5ec407a10437
tar zxvf jdk-8u131-linux-x64.tar.gz
cp -r jdk-8u131-linux-x64 /usr/local/
ln -s /usr/local/jdk-8u131-linux-x64 /usr/local/jdk8
#配置环境变量
vim /root/.bashrc
export JAVA_HOME=/usr/local/jdk8
export PATH=$JAVA_HOME/bin:$PATH
export JAVA_BINDIR=/usr/local/jdk8/bin
export JRE_HOME=/usr/local/jdk8/jre
export JDK_HOME=/usr/local/jdk8
export JAVA_ROOT=/usr/local/jdk8
source /root/.bashrc
#验证JDK是否安装成功哦你
java -version
五、安装tomcat
下载tomcat8
wget http://mirrors.hust.edu.cn/apache/tomcat/tomcat-8/v8.5.15/bin/apache-tomcat-8.5.15.tar.gz
tar zxvf apache-tomcat-8.5.15.tar.gz
cp -r apache-tomcat-8.5.15 /usr/local/
ln -s /usr/local/apache-tomcat-8.5.15 /usr/local/tomcat
vim /usr/local/tomcat/bin/catalina.sh
##add CATALINA_HOME
CATALINA_HOME=/usr/local/tomcat
##修改脚本为可执行
cd /usr/local/tomcat/bin
chmod 755 *.sh
六、安装NFS
apt-get install nfs-kernel-server
#创建用于存放共享文件的目录
mkdir -p /home/nfs/share
#配置NFS
vim /etc/exports
/home/nfs/shae *(rw,async,no_root_squash,no_subtree_check)
#重启rpcbind服务
/etc/init.d/rpcbind restart
#重启NFS服务
/etc/init.d/nfs-ernel-server restart
------------------------------------------------------------
CentOS
一、安装Mysql
yum install mysql-server
service mysqld start
chkconfig mysqld on
二、安装keepalived
yum -y install openssl-devel
yum install popt-devel
yum install keepalived
三、安装ipvsadm
yum install ipvsadm
四、安装JDK
yum install wget
rpm -qa|grep java|xargs rpm -e
wget --no-check-certificate --no-cookie \
--header "Cookie: oraclelicense=accept-securebackup-cookie;" \
http://download.oreacle.com/otn-pub/java/jdk/8u45-b14/jdk-8u45-linux-x64.rpm
rpm -ivh jdk-8u45-linux-x64.rpm
java -version
五、安装tomcat
wget http://mirrors.hust.edu.cn/apache/tomcat/tomcat-8/v8.0.30/bin/apache-tomcat-8.0.30.tar.gz
tar zxvf apache-tomcat-8.0.30.tar.gz
cp -r apache-tomcat-8.0.30 /usr/local/
ln -s /usr/local/apache-tomcat-8.0.30 /usr/local/tomcat
cd /usr/local/tomcat/bin
vi catalina.sh
#加入如下内容
----------------------------------------------------------
export TOMCAT_HOME=/usr/local/tomcat
export CATALINA_HOME=/usr/local/tomcat
----------------------------------------------------------
#执行下面语句
echo "/usr/local/tomcat/bin/startup.sh" >> /etc/rc.d/rc.local
六、安装NFS
#安装依赖包和NFS
yum install portmap
yum install rpcbind
yum install nfs-utils
#启动NFS
setenforce 0
systemctl stop iptables
service nfs start
#设置开机启动
chkconfig nfs on
chkconfig rpcbind on
#配置NFS
mkdir -p /home/nfs/share
echo "/home/nfs/share *(rw,async,no_root_squash,no_subtree_check)" >> /etc/exports
