目錄

• tomcat簡(jiǎn)介
• 安裝tomcat

tomcat簡(jiǎn)介

Tomcat是Apache 軟件基金會(huì)（Apache Software Foundation）的Jakarta 項(xiàng)目中的一個(gè)核心項(xiàng)目，由Apache、Sun 和其他一些公司及個(gè)人共同開發(fā)而成。由于有了Sun 的參與和支持，最新的Servlet 和JSP 規(guī)范總是能在Tomcat 中得到體現(xiàn)，Tomcat 5支持最新的Servlet 2.4 和JSP 2.0 規(guī)范。因?yàn)門omcat 技術(shù)先進(jìn)、性能穩(wěn)定，而且免費(fèi)，因而深受Java 愛好者的喜愛并得到了部分軟件開發(fā)商的認(rèn)可，成為目前比較流行的Web 應(yīng)用服務(wù)器。
Tomcat 服務(wù)器是一個(gè)免費(fèi)的開放源代碼的Web 應(yīng)用服務(wù)器，屬于輕量級(jí)應(yīng)用服務(wù)器，在中小型系統(tǒng)和并發(fā)訪問用戶不是很多的場(chǎng)合下被普遍使用，是開發(fā)和調(diào)試JSP 程序的首選。對(duì)于一個(gè)初學(xué)者來說，可以這樣認(rèn)為，當(dāng)在一臺(tái)機(jī)器上配置好Apache 服務(wù)器，可利用它響應(yīng)HTML（標(biāo)準(zhǔn)通用標(biāo)記語言下的一個(gè)應(yīng)用）頁面的訪問請(qǐng)求。實(shí)際上Tomcat是Apache 服務(wù)器的擴(kuò)展，但運(yùn)行時(shí)它是獨(dú)立運(yùn)行的，所以當(dāng)你運(yùn)行tomcat 時(shí)，它實(shí)際上作為一個(gè)與Apache 獨(dú)立的進(jìn)程單獨(dú)運(yùn)行的。
訣竅是，當(dāng)配置正確時(shí)，Apache 為HTML頁面服務(wù)，而Tomcat 實(shí)際上運(yùn)行JSP 頁面和Servlet。另外，Tomcat和IIS等Web服務(wù)器一樣，具有處理HTML頁面的功能，另外它還是一個(gè)Servlet和JSP容器，獨(dú)立的Servlet容器是Tomcat的默認(rèn)模式。不過，Tomcat處理靜態(tài)HTML的能力不如Apache服務(wù)器。目前Tomcat最新版本為9.0。

tomcat就是傳說中的中間件之一，tomcat本身是一個(gè)容器，專門用來運(yùn)行java程序，java語言開發(fā)的網(wǎng)頁.jsp就應(yīng)該運(yùn)行于tomcat中。而tomcat本身的運(yùn)行也依賴于jdk環(huán)境。

安裝tomcat

//安裝依賴包[root@localhost ~]# yum -y install java-11-openjdk-devel java-11-openjdk

//解壓安裝包[root@localhost ~]# tar xf apache-tomcat-9.0.46.tar.gz[root@localhost ~]# lsanaconda-ks.cfg  apache-tomcat-9.0.46  apache-tomcat-9.0.46.tar.gz  scripts//移動(dòng)到/usr/local/tomcat下[root@localhost ~]# mv apache-tomcat-9.0.46 /usr/local/tomcat

//啟動(dòng)tomcat[root@localhost tomcat]# /usr/local/tomcat/bin/startup.sh Using CATALINA_BASE:   /usr/local/tomcatUsing CATALINA_HOME:   /usr/local/tomcatUsing CATALINA_TMPDIR: /usr/local/tomcat/tempUsing JRE_HOME:/usrUsing CLASSPATH:       /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jarUsing CATALINA_OPTS:   Tomcat started.[root@localhost tomcat]# ss -antlState     Recv-Q    Send-Q    Local Address:Port       Peer Address:Port   Process    LISTEN    0 128     0.0.0.0:22      0.0.0.0:* LISTEN    0 128[::]:22 [::]:* LISTEN    0 1    [::ffff:127.0.0.1]:8005  *:* LISTEN    0 100   *:8080  *:*    

[root@localhost tomcat]# vim /conf/server.xml//把注釋取消  <!-- Define an AJP 1.3 Connector on port 8009 -->    <Connector protocol="AJP/1.3"       address="::1"       port="8009"       redirectPort="8443" />

[root@localhost tomcat]# ./bin/catalina.sh stopUsing CATALINA_BASE:   /usr/local/tomcatUsing CATALINA_HOME:   /usr/local/tomcatUsing CATALINA_TMPDIR: /usr/local/tomcat/tempUsing JRE_HOME:/usrUsing CLASSPATH:       /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jarUsing CATALINA_OPTS:   NOTE: Picked up JDK_JAVA_OPTIONS:  --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.io=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.util.concurrent=ALL-UNNAMED --add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED[root@localhost tomcat]# ss -antlState     Recv-Q    Send-Q Local Address:Port Peer Address:Port    Process    LISTEN    0 128  0.0.0.0:220.0.0.0:*  LISTEN    0 128     [::]:22   [::]:*  [root@localhost tomcat]# ./bin/catalina.sh startUsing CATALINA_BASE:   /usr/local/tomcatUsing CATALINA_HOME:   /usr/local/tomcatUsing CATALINA_TMPDIR: /usr/local/tomcat/tempUsing JRE_HOME:/usrUsing CLASSPATH:       /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jarUsing CATALINA_OPTS:   Tomcat started.[root@localhost tomcat]# ss -antlState     Recv-Q    Send-Q    Local Address:Port       Peer Address:Port   Process    LISTEN    0 128     0.0.0.0:22      0.0.0.0:* LISTEN    0 128[::]:22 [::]:* LISTEN    0 1    [::ffff:127.0.0.1]:8005  *:* LISTEN    0 100       [::1]:8009       [::]:* LISTEN    0 100   *:8080  *:* 

配置管理界面Manager App

[root@localhost conf]# vim tomcat-users.xml//把下列兩行加到這個(gè)配置文件的倒數(shù)第二行<role rolename="manager-gui"/><user username="tomcat" password="s3cret" roles="manager-gui"/>[root@localhost tomcat]# lsbin   conf     lib      logs    README.md      RUNNING.txt  webappsBUILDING.txt  CONTRIBUTING.md  LICENSE  NOTICE  RELEASE-NOTES  temp work[root@localhost tomcat]# cd webapps/[root@localhost webapps]# lsdocs  examples  host-manager  manager  ROOT[root@localhost webapps]# cd manager/[root@localhost manager]# lscss  images  index.jsp  META-INF  status.xsd  WEB-INF  xform.xsl[root@localhost manager]# cd META-INF/[root@localhost META-INF]# lscontext.xml[root@localhost META-INF]# vim context.xml allow="192\.168\.100\.\d+|127\.\d+\.\d+\.\d+|::1|0:0:0:0:0:0:0:1" />在這個(gè)文件中加入要訪問的ip網(wǎng)段。

配置Host Manager

[root@localhost conf]# lsCatalina     context.xml   logging.properties  tomcat-users.xsdcatalina.policy      jaspic-providers.xml  server.xml  web.xmlcatalina.properties  jaspic-providers.xsd  tomcat-users.xml[root@localhost conf]# vim tomcat-users.xml <role rolename="manager-gui"/><role rolename="admin-gui"/>   //在配置文件中加入此行<user username="zdj" password="123456" roles="manager-gui,admin-gui"/>   //加入admin-gui因?yàn)樾薷牧伺渲梦募?，這里需要重啟[root@localhost tomcat]# ./bin/catalina.sh stopUsing CATALINA_BASE:   /usr/local/tomcatUsing CATALINA_HOME:   /usr/local/tomcatUsing CATALINA_TMPDIR: /usr/local/tomcat/tempUsing JRE_HOME:/usrUsing CLASSPATH:       /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jarUsing CATALINA_OPTS:   NOTE: Picked up JDK_JAVA_OPTIONS:  --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.io=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.util.concurrent=ALL-UNNAMED --add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED[root@localhost tomcat]# ./bin/catalina.sh startUsing CATALINA_BASE:   /usr/local/tomcatUsing CATALINA_HOME:   /usr/local/tomcatUsing CATALINA_TMPDIR: /usr/local/tomcat/tempUsing JRE_HOME:/usrUsing CLASSPATH:       /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jarUsing CATALINA_OPTS:   Tomcat started.[root@localhost tomcat]# ss -antlState     Recv-Q    Send-Q    Local Address:Port       Peer Address:Port   Process    LISTEN    0 128     0.0.0.0:22      0.0.0.0:* LISTEN    0 128[::]:22 [::]:* LISTEN    0 1    [::ffff:127.0.0.1]:8005  *:* LISTEN    0 100       [::1]:8009       [::]:* LISTEN    0 100   *:8080  *:*       

[root@localhost tomcat]# cd webapps/host-manager/META-INF/[root@localhost META-INF]# lscontext.xml[root@localhost META-INF]# vim context.xml allow="192\.168\.100\.\d+|127\.\d+\.\d+\.\d+|::1|0:0:0:0:0:0:0:1" />//在這個(gè)文件中加入要訪問的網(wǎng)段

查看一下服務(wù)器狀態(tài)

添加jenkins服務(wù)

[root@localhost ~]# lsanaconda-ks.cfg  jenkins.war  scripts[root@localhost ~]# cp jenkins.war /usr/local/tomcat/webapps/[root@localhost ~]# cd /usr/local/tomcat/webapps/[root@localhost webapps]# lsdocs  examples  host-manager  jenkins  jenkins.war  manager  ROOT

查看密碼[root@localhost webapps]# cat /root/.jenkins/secrets/initialAdminPasswordf9770e45cc67460586e22f049b96e91d

配置完成。

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