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

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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:進入tomcat安裝目錄,并初步認識下
[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,其實跟,windows下的tomcat環(huán)境變量,配置大同小異。
Tomcat *的安裝和運行(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:接下來修改一下tomcat端口號,進入tomcat的conf目錄下,修改server.xml文件,通過vim命令打開文件后直接輸入/8080檢索到端口號的位置,進入編輯模式后修改端口號為8081,如下圖所示:
為什么這么做? 因為,在hadoop和spark集群里,8080端口是被占用了。同時,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
redirectPort="8443" />
改成
redirectPort="8443" />
最后輸入:wq保存退出即可
第九步:接下來我們就可以嘗試啟動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:測試
適合于CentOS 7.*版本下對tomcat進行端口,由默認8080改為我們自行設(shè)置的8081,為了避免跟hadoop/spark集群8080沖突
很遺憾無法訪問,但是端口號并沒有任何問題,這又是什么原因?qū)е碌哪??原因就是和windows相比linux有更強的安全機制,在CentOS 7中引入了一個更強大的防火墻——Firewall。我們需要在Firewall中開啟8081端口,也就是將8081端口加入到zone(Firewall的新特性,簡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)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)域下所有已打開的端口,命令如下:
firewall-cmd --zone=public --list-ports
適合于CentOS 6.*版本下對tomcat進行端口,由默認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)
防火墻開放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Tomcat安裝運行 通過以下地址查看tomcat是否運行正常: http://192.168.80.0:8081/ 看到tomcat系統(tǒng)界面,說明安裝成功!
也許,當里面改為之后,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! 擴展學(xué)習(xí) 對于,在Linux下,安裝tomcat的話,也可以,做高級別的設(shè)置,如,將tomcat作為服務(wù)進程開機啟動。 同樣,還有部署集群,以后再寫!
當前名稱:CentOS下安裝Tomcat并配置環(huán)境變量(改默認端口8080為8081)
轉(zhuǎn)載源于:http://fisionsoft.com.cn/article/djooese.html


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