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CentOS下安裝Tomcat并配置環(huán)境變量(改默認(rèn)端口8080為8081)

分享在centos下安裝Tomcat并配置環(huán)境變量(改默認(rèn)端口8080為8081)的全過(guò)程,希望對(duì)大家有幫助。

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第一步:下載tomcat壓縮包

http://archive.apache.org/dist/tomcat/tomcat-7/v7.0.73/bin/

 

  第二步:上傳tomcat壓縮包

[Hadoop@HadoopMaster app]$ ll
total 3092
drwxrwxr-x. 9 hadoop hadoop 4096 Feb 22 06:05 elasticsearch-2.4.3
-rw-r--r--. 1 hadoop hadoop 908862 Jan 10 11:38 elasticsearch-head-master.zip
-rw-r--r--. 1 hadoop hadoop 2228252 Jan 10 11:38 elasticsearch-kopf-master.zip
drwxr-xr-x. 10 hadoop hadoop 4096 Oct 31 17:15 hadoop-2.6.0
drwxr-xr-x. 15 hadoop hadoop 4096 Nov 14 2014 hadoop-2.6.0-src
drwxrwxr-x. 8 hadoop hadoop 4096 Nov 2 18:20 hbase-1.2.3
drwxr-xr-x. 8 hadoop hadoop 4096 Apr 11 2015 jdk1.7.0_79
drwxr-xr-x. 10 hadoop hadoop 4096 Nov 1 23:39 zookeeper-3.4.6
[hadoop@HadoopMaster app]$ rz

[hadoop@HadoopMaster app]$ ll
total 11824
-rw-r--r--. 1 hadoop hadoop 8938514 Feb 25 11:10 apache-tomcat-7.0.73.tar.gz
drwxrwxr-x. 9 hadoop hadoop 4096 Feb 22 06:05 elasticsearch-2.4.3
-rw-r--r--. 1 hadoop hadoop 908862 Jan 10 11:38 elasticsearch-head-master.zip
-rw-r--r--. 1 hadoop hadoop 2228252 Jan 10 11:38 elasticsearch-kopf-master.zip
drwxr-xr-x. 10 hadoop hadoop 4096 Oct 31 17:15 hadoop-2.6.0
drwxr-xr-x. 15 hadoop hadoop 4096 Nov 14 2014 hadoop-2.6.0-src
drwxrwxr-x. 8 hadoop hadoop 4096 Nov 2 18:20 hbase-1.2.3
drwxr-xr-x. 8 hadoop hadoop 4096 Apr 11 2015 jdk1.7.0_79
drwxr-xr-x. 10 hadoop hadoop 4096 Nov 1 23:39 zookeeper-3.4.6
[hadoop@HadoopMaster app]$

  第三步:解壓縮apache-tomcat-7.0.73.tar.gz

[hadoop@HadoopMaster app]$ tar -zxvf apache-tomcat-7.0.73.tar.gz 

  第四步:刪除壓縮包

[hadoop@HadoopMaster app]$ ll
total 11828
drwxrwxr-x. 9 hadoop hadoop 4096 Feb 25 19:18 apache-tomcat-7.0.73
-rw-r--r--. 1 hadoop hadoop 8938514 Feb 25 11:10 apache-tomcat-7.0.73.tar.gz
drwxrwxr-x. 9 hadoop hadoop 4096 Feb 22 06:05 elasticsearch-2.4.3
-rw-r--r--. 1 hadoop hadoop 908862 Jan 10 11:38 elasticsearch-head-master.zip
-rw-r--r--. 1 hadoop hadoop 2228252 Jan 10 11:38 elasticsearch-kopf-master.zip
drwxr-xr-x. 10 hadoop hadoop 4096 Oct 31 17:15 hadoop-2.6.0
drwxr-xr-x. 15 hadoop hadoop 4096 Nov 14 2014 hadoop-2.6.0-src
drwxrwxr-x. 8 hadoop hadoop 4096 Nov 2 18:20 hbase-1.2.3
drwxr-xr-x. 8 hadoop hadoop 4096 Apr 11 2015 jdk1.7.0_79
drwxr-xr-x. 10 hadoop hadoop 4096 Nov 1 23:39 zookeeper-3.4.6
[hadoop@HadoopMaster app]$ rm apache-tomcat-7.0.73.tar.gz 
[hadoop@HadoopMaster app]$ ll
total 3096
drwxrwxr-x. 9 hadoop hadoop 4096 Feb 25 19:18 apache-tomcat-7.0.73
drwxrwxr-x. 9 hadoop hadoop 4096 Feb 22 06:05 elasticsearch-2.4.3
-rw-r--r--. 1 hadoop hadoop 908862 Jan 10 11:38 elasticsearch-head-master.zip
-rw-r--r--. 1 hadoop hadoop 2228252 Jan 10 11:38 elasticsearch-kopf-master.zip
drwxr-xr-x. 10 hadoop hadoop 4096 Oct 31 17:15 hadoop-2.6.0
drwxr-xr-x. 15 hadoop hadoop 4096 Nov 14 2014 hadoop-2.6.0-src
drwxrwxr-x. 8 hadoop hadoop 4096 Nov 2 18:20 hbase-1.2.3
drwxr-xr-x. 8 hadoop hadoop 4096 Apr 11 2015 jdk1.7.0_79
drwxr-xr-x. 10 hadoop hadoop 4096 Nov 1 23:39 zookeeper-3.4.6
[hadoop@HadoopMaster app]$

   第五步:重命名tomcat安裝目錄

[hadoop@HadoopMaster app]$ ll
total 3096
drwxrwxr-x. 9 hadoop hadoop 4096 Feb 25 19:18 apache-tomcat-7.0.73
drwxrwxr-x. 9 hadoop hadoop 4096 Feb 22 06:05 elasticsearch-2.4.3
-rw-r--r--. 1 hadoop hadoop 908862 Jan 10 11:38 elasticsearch-head-master.zip
-rw-r--r--. 1 hadoop hadoop 2228252 Jan 10 11:38 elasticsearch-kopf-master.zip
drwxr-xr-x. 10 hadoop hadoop 4096 Oct 31 17:15 hadoop-2.6.0
drwxr-xr-x. 15 hadoop hadoop 4096 Nov 14 2014 hadoop-2.6.0-src
drwxrwxr-x. 8 hadoop hadoop 4096 Nov 2 18:20 hbase-1.2.3
drwxr-xr-x. 8 hadoop hadoop 4096 Apr 11 2015 jdk1.7.0_79
drwxr-xr-x. 10 hadoop hadoop 4096 Nov 1 23:39 zookeeper-3.4.6
[hadoop@HadoopMaster app]$ mv apache-tomcat-7.0.73 tomcat-7.0.73
[hadoop@HadoopMaster app]$ ll
total 3096
drwxrwxr-x. 9 hadoop hadoop 4096 Feb 22 06:05 elasticsearch-2.4.3
-rw-r--r--. 1 hadoop hadoop 908862 Jan 10 11:38 elasticsearch-head-master.zip
-rw-r--r--. 1 hadoop hadoop 2228252 Jan 10 11:38 elasticsearch-kopf-master.zip
drwxr-xr-x. 10 hadoop hadoop 4096 Oct 31 17:15 hadoop-2.6.0
drwxr-xr-x. 15 hadoop hadoop 4096 Nov 14 2014 hadoop-2.6.0-src
drwxrwxr-x. 8 hadoop hadoop 4096 Nov 2 18:20 hbase-1.2.3
drwxr-xr-x. 8 hadoop hadoop 4096 Apr 11 2015 jdk1.7.0_79
drwxrwxr-x. 9 hadoop hadoop 4096 Feb 25 19:18 tomcat-7.0.73
drwxr-xr-x. 10 hadoop hadoop 4096 Nov 1 23:39 zookeeper-3.4.6
[hadoop@HadoopMaster app]$

  第六步:進(jìn)入tomcat安裝目錄,并初步認(rèn)識(shí)下

[hadoop@HadoopMaster app]$ cd tomcat-7.0.73/
[hadoop@HadoopMaster tomcat-7.0.73]$ ll
total 116
drwxr-xr-x. 2 hadoop hadoop 4096 Feb 25 19:18 bin
drwxr-xr-x. 2 hadoop hadoop 4096 Nov 8 05:30 conf
drwxr-xr-x. 2 hadoop hadoop 4096 Feb 25 19:18 lib
-rw-r--r--. 1 hadoop hadoop 56846 Nov 8 05:30 LICENSE
drwxr-xr-x. 2 hadoop hadoop 4096 Nov 8 05:27 logs
-rw-r--r--. 1 hadoop hadoop 1239 Nov 8 05:30 NOTICE
-rw-r--r--. 1 hadoop hadoop 8965 Nov 8 05:30 RELEASE-NOTES
-rw-r--r--. 1 hadoop hadoop 16195 Nov 8 05:30 RUNNING.txt
drwxr-xr-x. 2 hadoop hadoop 4096 Feb 25 19:18 temp
drwxr-xr-x. 7 hadoop hadoop 4096 Nov 8 05:29 webapps
drwxr-xr-x. 2 hadoop hadoop 4096 Nov 8 05:27 work
[hadoop@HadoopMaster tomcat-7.0.73]$

  第七步:配置tomcat的環(huán)境變量和內(nèi)存設(shè)置

在這里,雖然是在CentOS即,Linux系統(tǒng)下,其實(shí)跟,windows下的tomcat環(huán)境變量,配置大同小異。

 

Tomcat *的安裝和運(yùn)行(綠色版和安裝版都適用)

Tomcat的配置文件詳解

[hadoop@HadoopMaster tomcat-7.0.73]$ ll
total 116
drwxr-xr-x. 2 hadoop hadoop 4096 Feb 25 19:18 bin
drwxr-xr-x. 2 hadoop hadoop 4096 Nov 8 05:30 conf
drwxr-xr-x. 2 hadoop hadoop 4096 Feb 25 19:18 lib
-rw-r--r--. 1 hadoop hadoop 56846 Nov 8 05:30 LICENSE
drwxr-xr-x. 2 hadoop hadoop 4096 Nov 8 05:27 logs
-rw-r--r--. 1 hadoop hadoop 1239 Nov 8 05:30 NOTICE
-rw-r--r--. 1 hadoop hadoop 8965 Nov 8 05:30 RELEASE-NOTES
-rw-r--r--. 1 hadoop hadoop 16195 Nov 8 05:30 RUNNING.txt
drwxr-xr-x. 2 hadoop hadoop 4096 Feb 25 19:18 temp
drwxr-xr-x. 7 hadoop hadoop 4096 Nov 8 05:29 webapps
drwxr-xr-x. 2 hadoop hadoop 4096 Nov 8 05:27 work
[hadoop@HadoopMaster tomcat-7.0.73]$ cd bin
[hadoop@HadoopMaster bin]$ ll
total 792
-rw-r--r--. 1 hadoop hadoop 27100 Nov 8 05:29 bootstrap.jar
-rw-r--r--. 1 hadoop hadoop 13981 Nov 8 05:29 catalina.bat
-rwxr-xr-x. 1 hadoop hadoop 21646 Nov 8 05:29 catalina.sh
-rw-r--r--. 1 hadoop hadoop 1647 Nov 8 05:30 catalina-tasks.xml
-rw-r--r--. 1 hadoop hadoop 24283 Nov 8 05:29 commons-daemon.jar
-rw-r--r--. 1 hadoop hadoop 204944 Nov 8 05:29 commons-daemon-native.tar.gz
-rw-r--r--. 1 hadoop hadoop 2040 Nov 8 05:29 configtest.bat
-rwxr-xr-x. 1 hadoop hadoop 1922 Nov 8 05:29 configtest.sh
-rwxr-xr-x. 1 hadoop hadoop 7888 Nov 8 05:29 daemon.sh
-rw-r--r--. 1 hadoop hadoop 2091 Nov 8 05:29 digest.bat
-rwxr-xr-x. 1 hadoop hadoop 1965 Nov 8 05:29 digest.sh
-rw-r--r--. 1 hadoop hadoop 3430 Nov 8 05:29 setclasspath.bat
-rwxr-xr-x. 1 hadoop hadoop 3547 Nov 8 05:29 setclasspath.sh
-rw-r--r--. 1 hadoop hadoop 2020 Nov 8 05:29 shutdown.bat
-rwxr-xr-x. 1 hadoop hadoop 1902 Nov 8 05:29 shutdown.sh
-rw-r--r--. 1 hadoop hadoop 2022 Nov 8 05:29 startup.bat
-rwxr-xr-x. 1 hadoop hadoop 1904 Nov 8 05:29 startup.sh

-rw-r--r--. 1 hadoop hadoop 38202 Nov 8 05:29 tomcat-juli.jar
-rw-r--r--. 1 hadoop hadoop 391853 Nov 8 05:29 tomcat-native.tar.gz
-rw-r--r--. 1 hadoop hadoop 4021 Nov 8 05:29 tool-wrapper.bat
-rwxr-xr-x. 1 hadoop hadoop 5024 Nov 8 05:29 tool-wrapper.sh
-rw-r--r--. 1 hadoop hadoop 2026 Nov 8 05:29 version.bat
-rwxr-xr-x. 1 hadoop hadoop 1908 Nov 8 05:29 version.sh
[hadoop@HadoopMaster bin]$

   

Java_OPTS="-Xms512m -Xmx1024m -Xss1024K -XX:PermSize=512m -XX:MaxPermSize=1024m"
export TOMCAT_HOME=/home/hadoop/app/tomcat-7.0.73
export CATALINA_HOME=/home/hadoop/app/tomcat-7.0.73
export JRE_HOME=/home/hadoop/app/jdk1.7.0_79/jre
export JAVA_HOME=/home/hadoop/app/jdk1.7.0_79

   第八步:接下來(lái)修改一下tomcat端口號(hào),進(jìn)入tomcat的conf目錄下,修改server.xml文件,通過(guò)vim命令打開(kāi)文件后直接輸入/8080檢索到端口號(hào)的位置,進(jìn)入編輯模式后修改端口號(hào)為8081,如下圖所示: 

        為什么這么做? 因?yàn)?,在hadoop和spark集群里,8080端口是被占用了。同時(shí),也是避免后續(xù)麻煩和忘記!

[hadoop@HadoopMaster tomcat-7.0.73]$ ll
total 116
drwxr-xr-x. 2 hadoop hadoop 4096 Feb 26 02:12 bin
drwxr-xr-x. 2 hadoop hadoop 4096 Nov 8 05:30 conf
drwxr-xr-x. 2 hadoop hadoop 4096 Feb 25 19:18 lib
-rw-r--r--. 1 hadoop hadoop 56846 Nov 8 05:30 LICENSE
drwxr-xr-x. 2 hadoop hadoop 4096 Nov 8 05:27 logs
-rw-r--r--. 1 hadoop hadoop 1239 Nov 8 05:30 NOTICE
-rw-r--r--. 1 hadoop hadoop 8965 Nov 8 05:30 RELEASE-NOTES
-rw-r--r--. 1 hadoop hadoop 16195 Nov 8 05:30 RUNNING.txt
drwxr-xr-x. 2 hadoop hadoop 4096 Feb 25 19:18 temp
drwxr-xr-x. 7 hadoop hadoop 4096 Nov 8 05:29 webapps
drwxr-xr-x. 2 hadoop hadoop 4096 Nov 8 05:27 work
[hadoop@HadoopMaster tomcat-7.0.73]$ cd conf/
[hadoop@HadoopMaster conf]$ ll
total 204
-rw-------. 1 hadoop hadoop 12257 Nov 8 05:30 catalina.policy
-rw-------. 1 hadoop hadoop 6322 Nov 8 05:30 catalina.properties
-rw-------. 1 hadoop hadoop 1394 Nov 8 05:30 context.xml
-rw-------. 1 hadoop hadoop 3288 Nov 8 05:30 logging.properties
-rw-------. 1 hadoop hadoop 6613 Nov 8 05:30 server.xml
-rw-------. 1 hadoop hadoop 1950 Nov 8 05:30 tomcat-users.xml
-rw-------. 1 hadoop hadoop 167655 Nov 8 05:30 web.xml
[hadoop@HadoopMaster conf]$ pwd
/home/hadoop/app/tomcat-7.0.73/conf
[hadoop@HadoopMaster conf]$

  

  先按Esc鍵,再按/鍵,即可,輸入8080

connectionTimeout="20000"
redirectPort="8443" />

  改成

connectionTimeout="20000"
redirectPort="8443" />

  最后輸入:wq保存退出即可

  第九步:接下來(lái)我們就可以嘗試啟動(dòng)tomcat了,切換到tomcat安裝目錄下

輸入bin/startup.sh

[hadoop@HadoopMaster tomcat-7.0.73]$ bin/startup.sh
Using CATALINA_BASE: /home/hadoop/app/tomcat-7.0.73
Using CATALINA_HOME: /home/hadoop/app/tomcat-7.0.73
Using CATALINA_TMPDIR: /home/hadoop/app/tomcat-7.0.73/temp
Using JRE_HOME: /home/hadoop/app/jdk1.7.0_79/jre
Using CLASSPATH: /home/hadoop/app/tomcat-7.0.73/bin/bootstrap.jar:/home/hadoop/app/tomcat-7.0.73/bin/tomcat-juli.jar
Tomcat started.
[hadoop@HadoopMaster tomcat-7.0.73]$


第十步:測(cè)試

 

適合于CentOS 7.*版本下對(duì)tomcat進(jìn)行端口,由默認(rèn)8080改為我們自行設(shè)置的8081,為了避免跟hadoop/spark集群8080沖突

    很遺憾無(wú)法訪問(wèn),但是端口號(hào)并沒(méi)有任何問(wèn)題,這又是什么原因?qū)е碌哪??原因就是和windows相比linux有更強(qiáng)的安全機(jī)制,在CentOS 7中引入了一個(gè)更強(qiáng)大的防火墻——Firewall。我們需要在Firewall中開(kāi)啟8081端口,也就是將8081端口加入到zone(Firewall的新特性,簡(jiǎn)單講它的作用就是定義了網(wǎng)絡(luò)區(qū)域網(wǎng)絡(luò)連接的可信等級(jí))中。命令如下:

  在tomcat的安裝目錄下的bin下,

  需要使用root用戶

firewall-cmd --zone=public --add-port=8081/tcp --permanent

這樣就成功的將8081端口加入了public區(qū)域中,permanent參數(shù)表示永久生效,即重啟也不會(huì)失效,最后不要忘記更新防火墻規(guī)則:

firewall-cmd --reload

OK,下面看一下public區(qū)域下所有已打開(kāi)的端口,命令如下:

firewall-cmd --zone=public --list-ports




適合于CentOS 6.*版本下對(duì)tomcat進(jìn)行端口,由默認(rèn)8080改為我們自行設(shè)置的8081,為了避免跟hadoop/spark集群8080沖突 (我的是這個(gè))

  防火墻開(kāi)放8081端口   增加8081端口到防火墻配置中,執(zhí)行以下操作:

[root@HadoopMaster bin]# pwd
/home/hadoop/app/tomcat-7.0.73/bin
[root@HadoopMaster bin]# cd
[root@HadoopMaster ~]# pwd
/root
[root@HadoopMaster ~]# /sbin/iptables -I INPUT -p tcp --dport 8081 -j ACCEPT    #開(kāi)啟8081端口 
[root@HadoopMaster ~]# /etc/rc.d/init.d/iptables save                  #保存配置 
iptables: Saving firewall rules to /etc/sysconfig/iptables:[ OK ]
[root@HadoopMaster ~]# /etc/rc.d/init.d/iptables restart                #重啟防火墻
iptables: Setting chains to policy ACCEPT: filter [ OK ]
iptables: Flushing firewall rules: [ OK ]
iptables: Unloading modules: [ OK ]
iptables: Applying firewall rules: [ OK ]
[root@HadoopMaster ~]#

檢驗(yàn)Tomcat安裝運(yùn)行 通過(guò)以下地址查看tomcat是否運(yùn)行正常: http://192.168.80.0:8081/ 看到tomcat系統(tǒng)界面,說(shuō)明安裝成功!

  也許,當(dāng)里面改為之后,并不能馬上出現(xiàn)界面,重啟CentOS6.5即可。

停止Tomcat [hadoop@HadoopMaster tomcat-7.0.73]$ bin/shutdown.sh          //停止tomcat  (參考)   
 至此,成功! 擴(kuò)展學(xué)習(xí)   對(duì)于,在Linux下,安裝tomcat的話,也可以,做高級(jí)別的設(shè)置,如,將tomcat作為服務(wù)進(jìn)程開(kāi)機(jī)啟動(dòng)。   同樣,還有部署集群,以后再寫(xiě)!


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