linux 之休验（JDK7+Tomcat7+MySQL5.5）部署环境

首頁

資料庫

mysql教程

linux 之休验（JDK7+Tomcat7+MySQL5.5）部署环境_MySQL

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Jun 01, 2016 pm 01:06 PM

Tomcat7Tomcat

------------------------------------------------------------------------------------------------------------------
JDK
<span class="indent">  </span><span class="number">0</span>：下载JDK http:<span class="regexp">//www</span>.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-<span class="number">1880260</span>.html
<span class="indent">  </span><span class="number">1</span>：卸载(root用户)
<span class="indent">  </span><span class="indent">  </span><span class="number">1.0</span>：查询已安装的jdk		
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="comment"># rpm -qa|grep jdk	</span>
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>  <span class="variable">**</span>*
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="comment"># rpm -qa|grep java</span>
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>  <span class="variable">**</span>*
<span class="indent">  </span><span class="indent">  </span><span class="number">1.1</span>：根据名称移除(-e表示删除，-nodeps表示强制删除防止JDK与程序关联，导致删除失败！)
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="comment"># rpm -e -nodeps	***</span>
<span class="indent">  </span><span class="indent">  </span><span class="number">1.2</span>：再运行java -version;如果提示-bash: java -version: command <span class="keyword">not</span> found则不用继续下面方案，jdk删除成功。
<span class="indent">  </span><span class="indent">  </span><span class="number">1.3</span>：手动删除文件夹(-f表示删除整个文件夹及子目录)
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="comment"># rm -f /usr/bin/java </span>
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="comment"># rm -f /usr/bin/javac </span>
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="comment"># rm -f /etc/alternatives/java </span>
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="comment"># rm -f /etc/alternatives/javac</span>
<span class="indent">  </span><span class="number">2</span>：安装(root用户)
<span class="indent">  </span><span class="indent">  </span><span class="number">2.1</span>：给每个用户添加操作权限
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="comment"># chomd +x jdk_*.*.*.rpm</span>
<span class="indent">  </span><span class="indent">  </span><span class="number">2.2</span>：安装JDK
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="comment"># rpm -ivh jdk_*.*.*.rpm</span>
<span class="indent">  </span><span class="indent">  </span><span class="number">2.3</span>：修改如下配置文件
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>|--<span class="comment"># cd /	切换到root目录下</span>
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>|--<span class="comment"># cd ect	配置文件目录</span>
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>|--<span class="comment"># vi ./profile	修改/etc/profile文件 （全局所有用户）</span>
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>|--<span class="comment">#打开profile后，按i进入编辑模式，末尾加入：</span>
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="comment">#set java environment</span>
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>export JAVA_HOME=<span class="regexp">/usr/share</span><span class="regexp">/jdk1.7.0_60
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>export PATH=$JAVA_HOME/bin</span>:<span class="variable">$PATH</span>
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>export CLASSPATH=.:<span class="variable">$JAVA_HOME</span>/lib/dt.jar:<span class="variable">$JAVA_HOME</span>/lib/tools.jar
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>|--<span class="comment">#按catl+c进入Normall模式，输入#wq保存并关闭</span>
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>|--<span class="comment"># find -name .bash_profile	找到bash_profile所在位置</span>
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>.<span class="regexp">/skel/</span>.bash_profile
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>|--<span class="comment"># vi ./skel/.bash_profile	.修改.bash_profile文件 （某个用户权限使用这些环境变量）</span>
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>|--<span class="comment">#打开profile后，按i进入编辑模式，末尾加入：</span>
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>export JAVA_HOME=<span class="regexp">/usr/java</span><span class="regexp">/jdk1.7.0_60			#先确认下你的jdk是否也是这个目录
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>export PATH=$JAVA_HOME/bin</span>:<span class="variable">$PATH</span>
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>export CLASSPATH=.:<span class="variable">$JAVA_HOME</span>/lib/dt.jar:<span class="variable">$JAVA_HOME</span>/lib/tools.jar
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>|--<span class="comment">#按catl+c进入Normall模式，输入#wq保存并关闭</span>
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>|--<span class="comment">#source /etc/profile执行后生效</span>
<span class="indent">  </span><span class="indent">  </span><span class="number">2.4</span>：测试
<span class="indent">  </span><span class="indent">  </span>[root<span class="variable">@localhost</span> ~]<span class="comment"># vim Hello.java</span>
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>public class Hello{
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>public static void main(String[] args){
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>System.out.println(<span class="string">"hello World"</span>);
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>}

<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>}
<span class="indent">  </span><span class="indent">  </span>[root<span class="variable">@localhost</span> ~]<span class="comment"># javac Hello.java</span>
<span class="indent">  </span><span class="indent">  </span>[root<span class="variable">@localhost</span> ~]<span class="comment"># java Hello</span>
<span class="indent">  </span><span class="indent">  </span>hello World
<span class="indent">  </span><span class="number">3</span>：更多详细http:<span class="regexp">//www</span>.<span class="number">2</span>cto.com/os/<span class="number">201211</span>/<span class="number">171035</span>.html
------------------------------------------------------------------------------------------------------------------
Tomcat
<span class="indent">  </span><span class="number">0</span>：下载地址：http:<span class="regexp">//tomcat</span>.apache.org/download-<span class="number">70</span>.cgi
<span class="indent">  </span><span class="number">1</span>：解压tomcat
<span class="indent">  </span><span class="indent">  </span><span class="comment">#unzip  xxx.zip		#zip解压</span>
<span class="indent">  </span><span class="indent">  </span><span class="comment">#tar -zxvf xxx.tar.gx	#tar解压</span>
<span class="indent">  </span><span class="number">2</span>：然后将tomcat移动到/usr/java/tomcat[version];(个人建议)
<span class="indent">  </span><span class="indent">  </span><span class="comment">#mv -rf tomcat_x.x.x /usr/java/tomcat[version]</span>
<span class="indent">  </span><span class="number">3</span>：配置tomcat环境(可选)  
<span class="indent">  </span><span class="indent">  </span><span class="comment">#vim /etc/profile		=#在末尾加入如下配置</span>
<span class="indent">  </span><span class="indent">  </span>export TOMCAT_HOME=<span class="regexp">/usr/java</span><span class="regexp">/tomcat7/bin</span>
<span class="indent">  </span><span class="indent">  </span>export CATALINA_HOME=<span class="regexp">/usr/java</span><span class="regexp">/tomcat7		
<span class="indent">  </span><span class="indent">  </span>#其用途：可以在任意目录下执行./shutdown</span>.sh或.<span class="regexp">/startup.sh
<span class="indent">  </span>4：测试访问：http:/</span><span class="regexp">/localhost:8080	
<span class="indent">  </span>5：然后你可将web项目打包成zip，通过在window下cmd中通过pscp xx user@ip:/</span><span class="regexp">/xx/</span><span class="regexp">/xx 将项目上传到服务器。然后再到服务器解压，再重启tomcat,便可运行啦..........呼呼
<span class="indent">  </span>5：详细参考:http:/</span><span class="regexp">/blog.sina.com.cn/s</span><span class="regexp">/blog_866c5a5d0101cn1l.html
------------------------------------------------------------------------------------------------------------------
MySql
<span class="indent">  </span>0：下载网站：http:/</span><span class="regexp">/dev.mysql.com/downloads</span><span class="regexp">/mysql/</span><span class="number">5.1</span>.html
<span class="indent">  </span><span class="number">1</span>：安装server	[root<span class="variable">@localhost</span> ~]<span class="comment"># rpm -ivh xxx.emp;</span>
<span class="indent">  </span><span class="number">2</span>：安装client	[root<span class="variable">@localhost</span> ~]<span class="comment"># rpm -ivh xxx.emp;</span>
<span class="indent">  </span><span class="number">3</span>：MySql重要目录
<span class="indent">  </span><span class="indent">  </span>|--数据库目录		[root<span class="variable">@localhost</span> ~]<span class="comment"># /var/lib/mysql</span>
<span class="indent">  </span><span class="indent">  </span>|--配置文件		[root<span class="variable">@localhost</span> ~]<span class="comment"># /usr/share/mysql(mysql.server及配置文件)</span>
<span class="indent">  </span><span class="indent">  </span>|--相关命令		[root<span class="variable">@localhost</span> ~]<span class="comment"># /usr/bin/(mysqladmin|mysqldump)</span>
<span class="indent">  </span><span class="indent">  </span>|--启动脚本		[root<span class="variable">@localhost</span> ~]<span class="comment"># /etc/rc.d/init.d(启动脚本文件mysql的目录)</span>
<span class="indent">  </span><span class="number">4</span>：启动mysql	[root<span class="variable">@localhost</span> ~]<span class="comment"># /etc/init.d/mysql start</span>
<span class="indent">  </span><span class="number">5</span>：查看使用中的端口号(如果有<span class="number">3306</span>则启动成功)
<span class="indent">  </span><span class="indent">  </span>[root<span class="variable">@localhost</span> ~]<span class="comment"># netstat -nat</span>
<span class="indent">  </span><span class="indent">  </span>Active Internet connections (servers <span class="keyword">and</span> established)
<span class="indent">  </span><span class="indent">  </span>Proto Recv-Q Send-Q Local Address               Foreign Address             State      
<span class="indent">  </span><span class="indent">  </span>tcp        <span class="number">0</span>      <span class="number">0</span> <span class="number">127.0</span>.<span class="number">0</span>.<span class="number">1</span>:<span class="number">2208</span>              <span class="number">0</span>.<span class="number">0</span>.<span class="number">0</span>.<span class="number">0</span>:*                   LISTEN      
<span class="indent">  </span><span class="indent">  </span>tcp        <span class="number">0</span>      <span class="number">0</span> <span class="number">0</span>.<span class="number">0</span>.<span class="number">0</span>.<span class="number">0</span>:<span class="number">776</span>                 <span class="number">0</span>.<span class="number">0</span>.<span class="number">0</span>.<span class="number">0</span>:*                   LISTEN      
<span class="indent">  </span><span class="indent">  </span>tcp        <span class="number">0</span>      <span class="number">0</span> <span class="number">0</span>.<span class="number">0</span>.<span class="number">0</span>.<span class="number">0</span>:<span class="number">3306</span>                <span class="number">0</span>.<span class="number">0</span>.<span class="number">0</span>.<span class="number">0</span>:*                   LISTEN      
<span class="indent">  </span><span class="indent">  </span>tcp        <span class="number">0</span>      <span class="number">0</span> <span class="number">0</span>.<span class="number">0</span>.<span class="number">0</span>.<span class="number">0</span>:<span class="number">111</span>                 <span class="number">0</span>.<span class="number">0</span>.<span class="number">0</span>.<span class="number">0</span>:*                   LISTEN      
<span class="indent">  </span><span class="number">6</span>：设置密码
<span class="indent">  </span><span class="indent">  </span>安装完mysql有一个默认用户root,密码是没有的。
<span class="indent">  </span><span class="indent">  </span>[root<span class="variable">@localhost</span> ~]<span class="comment"># /usr/bin/mysqladmin/ -u root -p password 123456</span>
<span class="indent">  </span><span class="number">7</span>：登录到mysql
<span class="indent">  </span><span class="indent">  </span>[root<span class="variable">@localhost</span> ~]<span class="comment"># mysql -u root -p 123456</span>
<span class="indent">  </span><span class="number">8</span>：查询数据库
<span class="indent">  </span><span class="indent">  </span>show databases
<span class="indent">  </span><span class="number">9</span>：查询表
<span class="indent">  </span><span class="indent">  </span><span class="keyword">use</span> test
<span class="indent">  </span><span class="indent">  </span>show tables
<span class="indent">  </span><span class="number">10</span>：停止mysql
<span class="indent">  </span><span class="indent">  </span>[root<span class="variable">@localhost</span> ~]<span class="comment"># /usr/bin/mysqladmin -u root -p shutdown</span>
<span class="indent">  </span><span class="number">11</span>：常见原因
<span class="indent">  </span><span class="indent">  </span><span class="number">11.1</span>：linuxe启动后<span class="number">13</span>:<span class="number">07</span>mysql，在windows下无法连接linuxe的mysql.
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>报错:<span class="number">1130</span>-host ... is <span class="keyword">not</span> allowed to <span class="keyword">connect</span> to this MySql server 开放mysql远程连接 不使用localhost
<span class="indent">  </span><span class="indent">  </span>      解决方案http:<span class="regexp">//www</span>.cnblogs.com/xyzdw/archive/<span class="number">2011</span>/08/<span class="number">11</span>/<span class="number">2135227</span>.html 我是通过下面来解决的
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>GRANT ALL PRIVILEGES ON <span class="variable">*.</span>* TO <span class="string">'用户名'</span><span class="variable">@'</span><span class="variable">%'</span> IDENTIFIED BY <span class="string">'密码'</span> WITH GRANT OPTION;
<span class="indent">  </span><span class="indent">  </span><span class="indent">  </span>FLUSH   PRIVILEGES;
<span class="indent">  </span><span class="number">12</span>：详细参考:http:<span class="regexp">//www</span>.t086.com/article/<span class="number">638</span>
------------------------------------------------------------------------------------------------------------------

在学习中，我们都会遇到很多奇葩问题，但这么奇葩问题是让我们提升的宝贵经验。所以，请不要太过着急、自责。耐心的静下来冷静解决问题。

陳述

本文內容由網友自願投稿，版權歸原作者所有。本站不承擔相應的法律責任。如發現涉嫌抄襲或侵權的內容，請聯絡admin@php.cn

MySQL：世界上最受歡迎的數據庫的簡介Apr 12, 2025 am 12:18 AM

MySQL是一種開源的關係型數據庫管理系統，主要用於快速、可靠地存儲和檢索數據。其工作原理包括客戶端請求、查詢解析、執行查詢和返回結果。使用示例包括創建表、插入和查詢數據，以及高級功能如JOIN操作。常見錯誤涉及SQL語法、數據類型和權限問題，優化建議包括使用索引、優化查詢和分錶分區。

MySQL的重要性：數據存儲和管理Apr 12, 2025 am 12:18 AM

MySQL是一個開源的關係型數據庫管理系統，適用於數據存儲、管理、查詢和安全。 1.它支持多種操作系統，廣泛應用於Web應用等領域。 2.通過客戶端-服務器架構和不同存儲引擎，MySQL高效處理數據。 3.基本用法包括創建數據庫和表，插入、查詢和更新數據。 4.高級用法涉及復雜查詢和存儲過程。 5.常見錯誤可通過EXPLAIN語句調試。 6.性能優化包括合理使用索引和優化查詢語句。

為什麼要使用mysql？利益和優勢Apr 12, 2025 am 12:17 AM

選擇MySQL的原因是其性能、可靠性、易用性和社區支持。 1.MySQL提供高效的數據存儲和檢索功能，支持多種數據類型和高級查詢操作。 2.採用客戶端-服務器架構和多種存儲引擎，支持事務和查詢優化。 3.易於使用，支持多種操作系統和編程語言。 4.擁有強大的社區支持，提供豐富的資源和解決方案。

描述InnoDB鎖定機制（共享鎖，獨家鎖，意向鎖，記錄鎖，間隙鎖，下一鍵鎖）。Apr 12, 2025 am 12:16 AM

InnoDB的鎖機制包括共享鎖、排他鎖、意向鎖、記錄鎖、間隙鎖和下一個鍵鎖。 1.共享鎖允許事務讀取數據而不阻止其他事務讀取。 2.排他鎖阻止其他事務讀取和修改數據。 3.意向鎖優化鎖效率。 4.記錄鎖鎖定索引記錄。 5.間隙鎖鎖定索引記錄間隙。 6.下一個鍵鎖是記錄鎖和間隙鎖的組合，確保數據一致性。

MySQL查詢性能差的常見原因是什麼？Apr 12, 2025 am 12:11 AM

MySQL查询性能不佳的原因主要包括没有使用索引、查询优化器选择错误的执行计划、表设计不合理、数据量过大和锁竞争。1.没有索引导致查询缓慢，添加索引后可显著提升性能。2.使用EXPLAIN命令可以分析查询计划，找出优化器错误。3.重构表结构和优化JOIN条件可改善表设计问题。4.数据量大时，采用分区和分表策略。5.高并发环境下，优化事务和锁策略可减少锁竞争。

您什麼時候應該使用複合索引與多個單列索引？Apr 11, 2025 am 12:06 AM

在數據庫優化中，應根據查詢需求選擇索引策略：1.當查詢涉及多個列且條件順序固定時，使用複合索引；2.當查詢涉及多個列但條件順序不固定時，使用多個單列索引。複合索引適用於優化多列查詢，單列索引則適合單列查詢。

如何識別和優化MySQL中的慢速查詢？（慢查詢日誌，performance_schema）Apr 10, 2025 am 09:36 AM

要優化MySQL慢查詢，需使用slowquerylog和performance_schema：1.啟用slowquerylog並設置閾值，記錄慢查詢；2.利用performance_schema分析查詢執行細節，找出性能瓶頸並優化。

MySQL和SQL：開發人員的基本技能Apr 10, 2025 am 09:30 AM

MySQL和SQL是開發者必備技能。 1.MySQL是開源的關係型數據庫管理系統，SQL是用於管理和操作數據庫的標準語言。 2.MySQL通過高效的數據存儲和檢索功能支持多種存儲引擎，SQL通過簡單語句完成複雜數據操作。 3.使用示例包括基本查詢和高級查詢，如按條件過濾和排序。 4.常見錯誤包括語法錯誤和性能問題，可通過檢查SQL語句和使用EXPLAIN命令優化。 5.性能優化技巧包括使用索引、避免全表掃描、優化JOIN操作和提升代碼可讀性。

See all articles