CentOS 下yum安装mysql、jdk和tomcat的方法
<p><span><strong>0. 创建个人文件夹</strong></span></p>
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<code class="bash comments"># 使用 yum 安装tomcat 和 mysql </code>
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<code class="bash comments"># 创建文件夹 </code>
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<code class="bash functions">cd</code> <code class="bash plain">/usr/local</code>
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<code class="bash functions">mkdir</code> <code class="bash plain">hehe</code>
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<span><strong>1. 安装rzsz</strong></span></p>
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<code class="bash comments"># 1. 安装rzsz </code>
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<code class="bash plain">yum list lrzsz* </code>
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<code class="bash plain">yum </code><code class="bash functions">install</code> <code class="bash plain">lrzsz -y</code>
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<span><strong>2. 安装JDK，path之类的已经自动设置好了</strong></span></p>
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<code class="bash comments"># 2. 安装JDK </code>
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<code class="bash plain">yum list java* </code>
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<code class="bash plain">yum </code><code class="bash functions">install</code> <code class="bash plain">java-1.7.0-openjdk* -y</code>
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<span><strong>3. 安装mysql</strong></span></p>
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<code class="bash comments"># 3. 安装mysql </code>
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<code class="bash plain">yum list mysql* </code>
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<code class="bash plain">yum </code><code class="bash functions">install</code> <code class="bash plain">mysql-server* -y </code>
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<code class="bash comments"># 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 </code>
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<code class="bash functions">vi</code> <code class="bash plain">/etc/my</code><code class="bash plain">.cnf</code>
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<strong>3.1 大致的mysql配置文件如下：</strong></p>
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<code class="bash plain"> </code>
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<code class="bash comments"># datadir=/var/lib/mysql </code>
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<code class="bash plain">datadir=</code><code class="bash plain">/usr/local/hehe/mysql_data</code>
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<code class="bash plain">socket=</code><code class="bash plain">/var/lib/mysql/mysql</code><code class="bash plain">.sock </code>
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<code class="bash plain">user=mysql </code>
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<code class="bash comments"># Disabling symbolic-links is recommended to prevent assorted security risks </code>
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<code class="bash plain">symbolic-links=0 </code>
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<code class="bash plain">default-character-</code><code class="bash functions">set</code><code class="bash plain">=utf8 </code>
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<code class="bash plain"> </code>
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<code class="bash plain">log-error=</code><code class="bash plain">/var/log/mysqld</code><code class="bash plain">.log </code>
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<code class="bash plain">pid-</code><code class="bash functions">file</code><code class="bash plain">=</code><code class="bash plain">/var/run/mysqld/mysqld</code><code class="bash plain">.pid </code>
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<code class="bash plain"> </code>
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<code class="bash plain">default-character-</code><code class="bash functions">set</code><code class="bash plain">=utf8</code>
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其中，vi 默认进入时是命令模式，要进入编辑模式，可以使用按键 “i” 表示insert，插入模式。<br>
而退出编辑模式，使用Esc键，退出编辑模式后，就处于命令模式，在命令模式下输入的指令不会被加入到内容之中，</p>
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在命令模式下，直接输入行号，比如 22，回车，则光标就跳到22行了，而使用冒号加命令，可以执行相关操作，比如</p>
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<code class="bash plain">:wq 表示写入文件，并退出 </code>
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<code class="bash plain">:wq! 表示强制写入文件，并退出，适合只读文件什么的。 </code>
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<code class="bash plain">:q 表示退出不保存</code>
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记得加回车键。</p>
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关于MySQL的内存设置,也可以参考: MySQL 5.6初始配置调优</p>
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当然,如果不考虑迁移性,建议使用 阿里云的 MySQL，5块钱一个月,很省心，如果你使用其他云平台,也可以使用云服务,高性能低价格，省时省心省力.</p>
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<span><strong>4. 安装 tomcat</strong></span></p>
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<code class="bash comments"># 4. 安装 tomcat </code>
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<code class="bash functions">cd</code> <code class="bash plain">/usr/local</code>
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<code class="bash plain">wget http:</code><code class="bash plain">//mirrors</code><code class="bash plain">.hust.edu.cn</code><code class="bash plain">/apache/tomcat/tomcat-7/v7</code><code class="bash plain">.0.63</code><code class="bash plain">/bin/apache-tomcat-7</code><code class="bash plain">.0.63.</code><code class="bash functions">tar</code><code class="bash plain">.gz </code>
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<code class="bash functions">tar</code> <code class="bash plain">-zxf apache-tomcat-7.0.63.</code><code class="bash functions">tar</code><code class="bash plain">.gz </code>
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<code class="bash functions">mv</code> <code class="bash plain">apache-tomcat-7.0.63 tomcat</code>
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<strong>4.1 修改配置文件</strong></p>
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<code class="bash functions">cd</code> <code class="bash plain">/usr/local/tomcat/conf</code>
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<code class="bash comments"># 修改配置文件 server.xml,不能有中文. </code>
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<code class="bash comments"># 配置端口号，绑定域名,别名，以及设置线程池，映射context文件夹 </code>
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<code class="bash functions">vi</code> <code class="bash plain">server.xml</code>
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然后修改其中的Server部分，当然，可以采用ftp，或者其他工具下载到windows编辑好，再上传回去啦，记得如果有中文注释什么的，需要修改编码为UTF-8，否则纯英文，使用默认的ANSI也可以。</p>
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<code class="bash plain"><Service name=</code><code class="bash string">"Catalina"</code><code class="bash plain">> </code>
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<code class="bash plain">lt;Executor name=</code><code class="bash string">"tomcatThreadPool"</code> <code class="bash plain">namePrefix=</code><code class="bash string">"catalina-exec-"</code>
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<code class="bash plain">maxThreads=</code><code class="bash string">"250"</code> <code class="bash plain">minSpareThreads=</code><code class="bash string">"20"</code><code class="bash plain">/> </code>
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<code class="bash plain"><Connector port=</code><code class="bash string">"80"</code> <code class="bash plain">protocol=</code><code class="bash string">"HTTP/1.1"</code>
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<code class="bash plain">connectionTimeout=</code><code class="bash string">"20000"</code>
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<code class="bash plain">redirectPort=</code><code class="bash string">"8443"</code>
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<code class="bash plain">compression=</code><code class="bash string">"on"</code>
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<code class="bash plain">compressionMinSize=</code><code class="bash string">"2048"</code>
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<code class="bash plain">noCompressionUserAgents=</code><code class="bash string">"gozilla,traviata"</code>
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<code class="bash plain">compressableMimeType=</code><code class="bash string">"text/html,text/xml,text/javascript,text/css,text/plain,application/json,application/javascript,application/x-javascript"</code>
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<code class="bash plain">/> </code>
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<code class="bash plain"><Connector port=</code><code class="bash string">"8009"</code> <code class="bash plain">protocol=</code><code class="bash string">"AJP/1.3"</code> <code class="bash plain">redirectPort=</code><code class="bash string">"8443"</code> <code class="bash plain">executor=</code><code class="bash string">"tomcatThreadPool"</code><code class="bash plain">/> </code>
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<code class="bash plain"><Engine name=</code><code class="bash string">"Catalina"</code> <code class="bash plain">defaultHost=</code><code class="bash string">"wwwhehe.com"</code><code class="bash plain">> </code>
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<code class="bash plain"><Realm className=</code><code class="bash string">"org.apache.catalina.realm.UserDatabaseRealm"</code>
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<code class="bash plain">resourceName=</code><code class="bash string">"UserDatabase"</code><code class="bash plain">/> </code>
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<code class="bash plain"><Host name=</code><code class="bash string">"www.hehe.com"</code> <code class="bash plain">appBase=</code><code class="bash string">"webapps"</code>
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<code class="bash plain">unpackWARs=</code><code class="bash string">"true"</code> <code class="bash plain">autoDeploy=</code><code class="bash string">"true"</code>
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<code class="bash plain">xmlValidation=</code><code class="bash string">"false"</code> <code class="bash plain">xmlNamespaceAware=</code><code class="bash string">"false"</code><code class="bash plain">> </code>
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<code class="bash plain"><Alias>localhost<</code><code class="bash plain">/Alias</code><code class="bash plain">> </code>
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<code class="bash plain"><Alias>hehe.com<</code><code class="bash plain">/Alias</code><code class="bash plain">> </code>
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<code class="bash plain"><Alias>hehe.cn<</code><code class="bash plain">/Alias</code><code class="bash plain">> </code>
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<code class="bash plain"><Alias>www.hehe.cn<</code><code class="bash plain">/Alias</code><code class="bash plain">> </code>
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<code class="bash plain"><Context docBase=</code><code class="bash string">"/hehe/upload"</code> <code class="bash plain">path=</code><code class="bash string">"/upload"</code> <code class="bash plain">/> </code>
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<code class="bash plain"><Context docBase=</code><code class="bash string">"/hehe/myapp"</code> <code class="bash plain">path=</code><code class="bash string">""</code> <code class="bash plain">/> </code>
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<code class="bash plain"><</code><code class="bash plain">/Host</code><code class="bash plain">> </code>
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<code class="bash plain"><</code><code class="bash plain">/Engine</code><code class="bash plain">> </code>
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<code class="bash plain"><</code><code class="bash plain">/Service</code><code class="bash plain">></code>
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<span><strong>5. 启动mysqld 服务，以及tomcat</strong></span></p>
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<code class="bash plain">-- 5. 启动mysqld 服务，以及tomcat </code>
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<code class="bash functions">cd</code> <code class="bash plain">/usr/local/hehe</code>
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<code class="bash functions">mkdir</code> <code class="bash plain">mysql_data </code>
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<code class="bash comments"># 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 </code>
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<code class="bash functions">chown</code> <code class="bash plain">mysql:mysql mysql_data </code>
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<code class="bash plain">service mysqld start </code>
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<code class="bash plain">/usr/local/tomcat/bin/startup</code><code class="bash plain">.sh</code>
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<strong>5.1 设置Tomcat自动启动</strong></p>
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有很多种方式，比如设置服务，或者使用 rc.local 进行加载。</p>
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修改 /etc/rc.d/rc.local 文件:</p>
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<code class="bash plain">vim </code><code class="bash plain">/etc/rc</code><code class="bash plain">.d</code><code class="bash plain">/rc</code><code class="bash plain">.</code><code class="bash functions">local</code>
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在里面增加启动Tomcat的脚本,然后保存. 最终结果如下所示：</p>
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<code class="bash plain"></code><code class="bash comments"># cat /etc/rc.d/rc.local </code>
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<code class="bash comments"># This script will be executed *after* all the other init scripts. </code>
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<code class="bash comments"># You can put your own initialization stuff in here if you don't </code>
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<code class="bash functions">touch</code> <code class="bash plain">/var/lock/subsys/local</code>
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可以看到, 我们只增加了最后一行。意思是在Linux启动完成后，加载其他初始脚本完毕之后, 执行启动Tomcat的命令.<br>
当然,启动其他程序也可以使用这种方式,但是就是土了一点，而且不可以使用 chkconfig 进行配置和调用(也就是说没有采用安装服务的方式.)</p>
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<span><strong>6. 因为修改了相对应的tomcat的context，所以访问没有什么内容啦，需要在 </strong></span></p>
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下面有对应的javaEE app才可以。</p>
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以上所述是小编给大家介绍的CentOS 下yum安装mysql、jdk和tomcat的方法,希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持！</p>
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原文链接：http://blog.csdn.net/hunhun1122/article/details/52819093</p>
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