搭建JavaWeb服务器步骤详解

//检查jdk是否已经安装
[root@iZwz9catu2mrq92b07d1d0Z ~]# yum list installed | grep java
java-1.7.0-openjdk.x86_64
java-1.7.0-openjdk-demo.x86_64
java-1.7.0-openjdk-devel.x86_64
java-1.7.0-openjdk-javadoc.noarch
java-1.7.0-openjdk-src.x86_64
tzdata-java.noarch   2017c-1.el6   @updates                
//卸载现有的jdk
[root@iZwz9catu2mrq92b07d1d0Z ~]# yum -y remove java-1.7.0*
//查看yum库中的Java安装包
[root@iZwz9catu2mrq92b07d1d0Z ~]# yum -C list java*
...
java-1.7.0-openjdk.x86_64                     1:1.7.0.151-2.6.11.0.el6_9              updates
java-1.7.0-openjdk-demo.x86_64                   1:1.7.0.151-2.6.11.0.el6_9              updates
java-1.7.0-openjdk-devel.x86_64                  1:1.7.0.151-2.6.11.0.el6_9              updates
java-1.7.0-openjdk-javadoc.noarch                 1:1.7.0.151-2.6.11.0.el6_9              updates
...
//安装jdk7
[root@iZwz9catu2mrq92b07d1d0Z ~]# yum -y install java-1.7.0*
//安装成功
[root@iZwz9catu2mrq92b07d1d0Z ~]# java -version
java version "1.7.0_151"
OpenJDK Runtime Environment (rhel-2.6.11.0.el6_9-x86_64 u151-b00)
OpenJDK 64-Bit Server VM (build 24.151-b00, mixed mode)

//从官网下载tomcat7
[cjh@iZwz9catu2mrq92b07d1d0Z ~]$ wget http://mirrors.tuna.tsinghua.edu.cn/apache/tomcat/tomcat-7/v7.0.82/bin/apache-tomcat-7.0.82.tar.gz

//检查压缩包文件
[cjh@iZwz9catu2mrq92b07d1d0Z ~]$ tar -ztvf apache-tomcat-7.0.82.tar.gz

//解压
[cjh@iZwz9catu2mrq92b07d1d0Z ~]$ tar -zxvf apache-tomcat-7.0.82.tar.gz

[cjh@iZwz9catu2mrq92b07d1d0Z ~]$ ls
apache-tomcat-7.0.82 apache-tomcat-7.0.82.tar.gz

<DATE> org.apache.catalina.util.SessionIdGenerator createSecureRandom
INFO: Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [5172] milliseconds.

[cjh@iZwz9catu2mrq92b07d1d0Z bin]$ pwd
/home/cjh/apache-tomcat-7.0.82/bin

//在开头注释后面添加参数
[cjh@iZwz9catu2mrq92b07d1d0Z bin]$ vi catalina.sh

...
JAVA_OPTS="-Djava.security.egd=file:/dev/./urandom"
...


//查看jvm运行参数，参数已添加
[cjh@iZwz9catu2mrq92b07d1d0Z bin]$ jps -v
...

//重新运行tomcat，查看启动日志，启动耗时正常
...

//安装nginx
[root@iZwz9catu2mrq92b07d1d0Z ~]# yum -y install nginx

//安装完成后查看配置文件路径
[root@iZwz9catu2mrq92b07d1d0Z ~]# whereis nginx

//检查配置文件内容，可以发现包含了另一个路径下的配置文件组
[root@iZwz9catu2mrq92b07d1d0Z ~]# cat /etc/nginx/nginx.conf

...
include /etc/nginx/conf.d/*.conf;
...

//切换路径，检查文件组
[root@iZwz9catu2mrq92b07d1d0Z ~]# cd /etc/nginx/conf.d/
[root@iZwz9catu2mrq92b07d1d0Z conf.d]# ls -l | grep .conf
-rw-r--r-- 1 root root 408 Nov 22 17:59 default.conf
-rw-r--r-- 1 root root 686 Oct 31 2016 ssl.conf
-rw-r--r-- 1 root root 283 Oct 31 2016 virtual.conf

//修改default.conf
[root@iZwz9catu2mrq92b07d1d0Z conf.d]# vi default.conf

...
listen   端口号;
server_name 域名/ip;
...

//启动nginx
[root@iZwz9catu2mrq92b07d1d0Z conf.d]# chkconfig nginx on
[root@iZwz9catu2mrq92b07d1d0Z conf.d]# service nginx start

//在浏览器上访问域名或ip，显示nginx的欢迎页面即配置成功

//下载MySQL Yum库
[root@iZwz9catu2mrq92b07d1d0Z ~]# wget https://repo.mysql.com//mysql57-community-release-el6-11.noarch.rpm

//安装yum库
[root@iZwz9catu2mrq92b07d1d0Z ~]# yum -y localinstall mysql57-community-release-el6-11.noarch.rpm

//检查库安装成功，默认已开启子库mysql57-community
[root@iZwz9catu2mrq92b07d1d0Z ~]# yum -C repolist enabled

//安装MySQL5.7
[root@iZwz9catu2mrq92b07d1d0Z ~]# yum -y install mysql-community-server

//启动服务
[root@iZwz9catu2mrq92b07d1d0Z yum.repos.d]# chkconfig mysqld on
[root@iZwz9catu2mrq92b07d1d0Z ~]# service mysqld start
Initializing MySQL database:                [ OK ]
Starting mysqld:                      [ OK ]

//x值为数据库用户root的密码
[root@iZwz9catu2mrq92b07d1d0Z ~]# cat /var/log/mysqld.log | grep password
2017-11-22T14:27:56.638229Z 1 [Note] A temporary password is generated for root@localhost: x

//进入成功
[root@iZwz9catu2mrq92b07d1d0Z ~]# mysql -uroot -p
Enter password: 
Welcome to the MySQL monitor. Commands end with ; or \g.
...