CentOS 下yum安装mysql、jdk和tomcat的方法

# 使用 yum 安装tomcat 和 mysql 
# 创建文件夹 
cd /usr/local 
mkdir hehe 

# 1. 安装rzsz 
yum list lrzsz* 
yum install lrzsz -y 

# 2. 安装JDK 
yum list java* 
yum install java-1.7.0-openjdk* -y 

# 3. 安装mysql 
yum list mysql* 
yum install mysql-server* -y 
# 修改 /etc/my.cnf 设置数据库默认编码以及存储位置,如果可能，优化内存配置 
vi /etc/my.cnf 

[mysqld] 
# datadir=/var/lib/mysql 
datadir=/usr/local/hehe/mysql_data 
socket=/var/lib/mysql/mysql.sock 
user=mysql 
# Disabling symbolic-links is recommended to prevent assorted security risks 
symbolic-links=0 
default-character-set=utf8 
[mysqld_safe] 
log-error=/var/log/mysqld.log 
pid-file=/var/run/mysqld/mysqld.pid 
[mysql] 
default-character-set=utf8 

:wq 表示写入文件，并退出 
:wq! 表示强制写入文件，并退出，适合只读文件什么的。 
:q 表示退出不保存 

# 4. 安装 tomcat 
cd /usr/local 
wget http://mirrors.hust.edu.cn/apache/tomcat/tomcat-7/v7.0.63/bin/apache-tomcat-7.0.63.tar.gz 
tar -zxf apache-tomcat-7.0.63.tar.gz 
mv apache-tomcat-7.0.63 tomcat 

cd /usr/local/tomcat/conf 
# 修改配置文件 server.xml,不能有中文. 
# 配置端口号，绑定域名,别名，以及设置线程池，映射context文件夹 
vi server.xml 

<Service name="Catalina"> 
lt;Executor name="tomcatThreadPool" namePrefix="catalina-exec-" 
maxThreads="250" minSpareThreads="20"/> 
<Connector port="80" protocol="HTTP/1.1" 
connectionTimeout="20000" 
redirectPort="8443" 
compression="on" 
compressionMinSize="2048" 
noCompressionUserAgents="gozilla,traviata" 
compressableMimeType="text/html,text/xml,text/javascript,text/css,text/plain,application/json,application/javascript,application/x-javascript" 
/> 
<Connector port="8009" protocol="AJP/1.3" redirectPort="8443" executor="tomcatThreadPool"/> 
<Engine name="Catalina" defaultHost="wwwhehe.com"> 
<Realm className="org.apache.catalina.realm.UserDatabaseRealm" 
resourceName="UserDatabase"/> 
<Host name="www.hehe.com" appBase="webapps" 
unpackWARs="true" autoDeploy="true" 
xmlValidation="false" xmlNamespaceAware="false"> 
<Alias>localhost</Alias> 
<Alias>hehe.com</Alias> 
<Alias>hehe.cn</Alias> 
<Alias>www.hehe.cn</Alias> 
<Context docBase="/hehe/upload" path="/upload" /> 
<Context docBase="/hehe/myapp" path="" /> 
</Host> 
</Engine> 
</Service> 

-- 5. 启动mysqld 服务，以及tomcat 
cd /usr/local/hehe 
mkdir mysql_data 
# 必须修改所属用户哦，如果修改了mysql的数据文件保存目录的话 
chown mysql:mysql mysql_data 
service mysqld start 
/usr/local/tomcat/bin/startup.sh 

vim /etc/rc.d/rc.local 

[root@xxx bin]# cat /etc/rc.d/rc.local 
#!/bin/sh 
# 
# This script will be executed *after* all the other init scripts. 
# You can put your own initialization stuff in here if you don't 
# want to do the full Sys V style init stuff. 
touch /var/lock/subsys/local 
# start tomcat 
/usr/local/tomcat/bin/startup.sh 

/hehe/myapp