1,首先，暂停iptables服务

[root@localhost ~]# service iptables stop

[root@localhost ~]# chkconfig iptables off


2,jdk卸载

  （1）查找jdk安装信息

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[root@iZ23s6vhhjjZ apache-tomcat-7.0.63] # rpm -qa|grep gcj
libgcj-4.4.7-4.el6.x86_64
java-1.5.0-gcj-1.5.0.0-29.1.el6.x86_64
[root@iZ23s6vhhjjZ apache-tomcat-7.0.63] #rpm -e java-1.5.0-gcj-1.5.0.0-29.1.el6.x86_64
[root@iZ23s6vhhjjZ apache-tomcat-7.0.63] #rpm -e libgcj-4.4.7-4.el6.x86_64

  （2）卸载

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[root@iZ23s6vhhjjZ apache-tomcat-7.0.63] # rpm -qa|grep jdk
jdk-1.7.0_79-fcs.x86_64
[root@iZ23s6vhhjjZ apache-tomcat-7.0.63] #rpm -e  --nodeps jdk-1.7.0_79-fcs.x86_64

3,jdk的安装和配置：

  

  （1），安装jdk命令: rpm -ivh jdk-8u51-linux-x64.rpm

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[root@localhost  install ] # ll
total 481168
-rw-r--r--. 1 root root   8850470 Nov  2 22:43 apache-tomcat-7.0.63. tar .gz
-rw-r--r--. 1 root root 137808216 Jan 13 15:09 jdk-8u51-linux-x64.rpm
-rw-r--r--. 1 root root  33203321 Nov 20 11:31 mysql-5.6.25. tar .gz
-rw-r--r--. 1 root root 312845162 Nov 13 15:19 mysql-5.6.27-linux-glibc2.5-x86_64. tar .gz
[root@localhost  install ] # rpm -ivh jdk-8u51-linux-x64.rpm 
Preparing...                 ########################################### [100%]
    1:jdk1.8.0_51             ########################################### [100%]
Unpacking JAR files...
         rt.jar...
         jsse.jar...
         charsets.jar...
         tools.jar...
         localedata.jar...
         jfxrt.jar...
         plugin.jar...
         javaws.jar...
         deploy.jar...

   （2)配置环境变量：

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[root@localhost  install ] # vi /etc/profile
# /etc/profile
# System wide environment and startup programs, for login setup
# Functions and aliases go in /etc/bashrc
# It's NOT a good idea to change this file unless you know what you
# are doing. It's much better to create a custom.sh shell script in
# /etc/profile.d/ to make custom changes to your environment, as this
# will prevent the need for merging in future updates.
pathmunge () {
     case  ":${PATH}:"  in
         *: "$1" :*)
             ;;
         *)
             if  [  "$2"  =  "after"  ] ;  then
                 PATH=$PATH:$1
             else
                 PATH=$1:$PATH
             fi
     esac
}
"/etc/profile"  78L, 1796C
# By default, we want umask to get set. This sets it for login shell
# Current threshold for system reserved uid/gids is 200
# You could check uidgid reservation validity in
# /usr/share/doc/setup-*/uidgid file
if  [ $UID -gt 199 ] && [  "`id -gn`"  =  "`id -un`"  ];  then
     umask  002
else
     umask  022
fi
for  i  in  /etc/profile .d/*.sh ;  do
     if  [ -r  "$i"  ];  then
         if  [  "${-#*i}"  !=  "$-"  ];  then
             .  "$i"
         else
             .  "$i"  > /dev/null  2>&1
         fi
     fi
done
unset  i
unset  -f pathmunge
 
export  JAVA_HOME= /usr/java/jdk1 .8.0_51
export  PATH=$JAVA_HOME /bin :$PATH
export  CLASSPATH=$JAVA_HOME /lib :.:$CLASSPATH

 (3) 配置的环境变量生效：source /etc/profile

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[root@localhost  install ] # source /etc/profile

（4)测试：

 查看java版本号：java -version

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[root@localhost  install ] # java -version
java version  "1.8.0_51"
Java(TM) SE Runtime Environment (build 1.8.0_51-b16)
Java HotSpot(TM) 64-Bit Server VM (build 25.51-b03, mixed mode)

查看javac版本号命令：javac -version 

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[root@localhost  install ] # javac -version
javac 1.8.0_51


4,tomcat安装配置

  （1）,创建组和用户tomcat

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[root@localhost  install ] # groupadd tomcat
[root@localhost  install ] # useradd -g tomcat tomcat
[root@localhost  install ] # passwd tomcat
Changing password  for  user tomcat.
New password: 
BAD PASSWORD: it is too simplistic /systematic
BAD PASSWORD: is too simple
Retype new password: 
passwd : all authentication tokens updated successfully.
[root@localhost  install ] #

  （2）切换用户并创建tomcat用户的目录：

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[root@localhost  install ] # su tomcat
[tomcat@localhost  install ]$  mkdir  /home/tomcat/server 
[tomcat@localhost  install ]$

  （3）解压tomcat压缩包并放到指定的目录里

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[tomcat@localhost  install ]$  tar  zxvf apache-tomcat-7.0.63. tar .gz -C  /home/tomcat/server/
apache-tomcat-7.0.63 /webapps/examples/jsp/xml/xml .jsp.html
apache-tomcat-7.0.63 /webapps/examples/servlets/chat/index .jsp
apache-tomcat-7.0.63 /webapps/examples/servlets/chat/index .jsp.html
apache-tomcat-7.0.63 /webapps/examples/servlets/chat/login .jsp
apache-tomcat-7.0.63 /webapps/examples/servlets/chat/login .jsp.html
apache-tomcat-7.0.63 /webapps/examples/servlets/chat/post .jsp
apache-tomcat-7.0.63 /webapps/examples/servlets/chat/post .jsp.html
apache-tomcat-7.0.63 /webapps/examples/servlets/cookies .html
apache-tomcat-7.0.63 /webapps/examples/servlets/helloworld .html
apache-tomcat-7.0.63 /webapps/examples/servlets/images/code .gif
apache-tomcat-7.0.63 /webapps/examples/servlets/images/execute .gif
apache-tomcat-7.0.63 /webapps/examples/servlets/images/return .gif
apache-tomcat-7.0.63 /webapps/examples/servlets/index .html
apache-tomcat-7.0.63 /webapps/examples/servlets/reqheaders .html
apache-tomcat-7.0.63 /webapps/examples/servlets/reqinfo .html
apache-tomcat-7.0.63 /webapps/examples/servlets/reqparams .html
apache-tomcat-7.0.63 /webapps/examples/servlets/sessions .html
apache-tomcat-7.0.63 /webapps/examples/websocket-deprecated/chat .html
apache-tomcat-7.0.63 /webapps/examples/websocket-deprecated/echo .html
apache-tomcat-7.0.63 /webapps/examples/websocket-deprecated/index .html
apache-tomcat-7.0.63 /webapps/examples/websocket-deprecated/snake .html
apache-tomcat-7.0.63 /webapps/examples/websocket/chat .xhtml
apache-tomcat-7.0.63 /webapps/examples/websocket/drawboard .xhtml
apache-tomcat-7.0.63 /webapps/examples/websocket/echo .xhtml
apache-tomcat-7.0.63 /webapps/examples/websocket/index .xhtml
apache-tomcat-7.0.63 /webapps/examples/websocket/snake .xhtml
apache-tomcat-7.0.63 /webapps/host-manager/META-INF/context .xml
apache-tomcat-7.0.63 /webapps/host-manager/WEB-INF/jsp/401 .jsp
apache-tomcat-7.0.63 /webapps/host-manager/WEB-INF/jsp/403 .jsp
apache-tomcat-7.0.63 /webapps/host-manager/WEB-INF/jsp/404 .jsp
apache-tomcat-7.0.63 /webapps/host-manager/WEB-INF/web .xml
apache-tomcat-7.0.63 /webapps/host-manager/images/add .gif
apache-tomcat-7.0.63 /webapps/host-manager/images/asf-logo .gif
apache-tomcat-7.0.63 /webapps/host-manager/images/code .gif
apache-tomcat-7.0.63 /webapps/host-manager/images/design .gif
apache-tomcat-7.0.63 /webapps/host-manager/images/docs .gif
apache-tomcat-7.0.63 /webapps/host-manager/images/fix .gif
apache-tomcat-7.0.63 /webapps/host-manager/images/tomcat .gif
apache-tomcat-7.0.63 /webapps/host-manager/images/update .gif
apache-tomcat-7.0.63 /webapps/host-manager/images/void .gif
apache-tomcat-7.0.63 /webapps/host-manager/index .jsp
apache-tomcat-7.0.63 /webapps/host-manager/manager .xml
apache-tomcat-7.0.63 /webapps/manager/META-INF/context .xml
apache-tomcat-7.0.63 /webapps/manager/WEB-INF/jsp/401 .jsp
apache-tomcat-7.0.63 /webapps/manager/WEB-INF/jsp/403 .jsp
apache-tomcat-7.0.63 /webapps/manager/WEB-INF/jsp/404 .jsp
apache-tomcat-7.0.63 /webapps/manager/WEB-INF/jsp/sessionDetail .jsp
apache-tomcat-7.0.63 /webapps/manager/WEB-INF/jsp/sessionsList .jsp
apache-tomcat-7.0.63 /webapps/manager/WEB-INF/web .xml
apache-tomcat-7.0.63 /webapps/manager/images/add .gif
apache-tomcat-7.0.63 /webapps/manager/images/asf-logo .gif
apache-tomcat-7.0.63 /webapps/manager/images/code .gif
apache-tomcat-7.0.63 /webapps/manager/images/design .gif
apache-tomcat-7.0.63 /webapps/manager/images/docs .gif
apache-tomcat-7.0.63 /webapps/manager/images/fix .gif
apache-tomcat-7.0.63 /webapps/manager/images/tomcat .gif
apache-tomcat-7.0.63 /webapps/manager/images/update .gif
apache-tomcat-7.0.63 /webapps/manager/images/void .gif
apache-tomcat-7.0.63 /webapps/manager/index .jsp
apache-tomcat-7.0.63 /webapps/manager/status .xsd
apache-tomcat-7.0.63 /webapps/manager/xform .xsl

  (4)切换目录并配置文件：

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[tomcat@localhost  install ]$  cd  /home/tomcat/server/apache-tomcat-7 .0.63 /conf/
[tomcat@localhost conf]$  cp  server.xml server.xml.bak
[tomcat@localhost conf]$  vi  server.xml

 (5）启动关闭测试

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[tomcat@localhost bin]$  /home/tomcat/server/tomcat/bin/startup .sh
Using CATALINA_BASE:    /home/tomcat/server/apache-tomcat-7 .0.63
Using CATALINA_HOME:    /home/tomcat/server/apache-tomcat-7 .0.63
Using CATALINA_TMPDIR:  /home/tomcat/server/apache-tomcat-7 .0.63 /temp
Using JRE_HOME:         /usr
Using CLASSPATH:        /home/tomcat/server/apache-tomcat-7 .0.63 /bin/bootstrap .jar: /home/tomcat/server/apache-tomcat-7 .0.63 /bin/tomcat-juli .jar
Tomcat started.
[tomcat@localhost bin]$  ps  -ef| grep  tomca
root      1535  1102  0 15:24 pts /0     00:00:00  su  tomcat
tomcat    1536  1535  0 15:24 pts /0     00:00:00  bash
tomcat    1568     1 30 15:31 pts /0     00:00:02  /usr/bin/java  -Djava.util.logging.config. file = /home/tomcat/server/apache-tomcat-7 .0.63 /conf/logging .properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djava.endorsed. dirs = /home/tomcat/server/apache-tomcat-7 .0.63 /endorsed  -classpath  /home/tomcat/server/apache-tomcat-7 .0.63 /bin/bootstrap .jar: /home/tomcat/server/apache-tomcat-7 .0.63 /bin/tomcat-juli .jar -Dcatalina.base= /home/tomcat/server/apache-tomcat-7 .0.63 -Dcatalina.home= /home/tomcat/server/apache-tomcat-7 .0.63 -Djava.io.tmpdir= /home/tomcat/server/apache-tomcat-7 .0.63 /temp  org.apache.catalina.startup.Bootstrap start
tomcat    1586  1536  4 15:31 pts /0     00:00:00  ps  -ef
tomcat    1587  1536  0 15:31 pts /0     00:00:00  grep  tomca
[tomcat@localhost bin]$  netstat  -lntp | grep  8080
(Not all processes could be identified, non-owned process info
  will not be shown, you would have to be root to see it all.)
tcp        0      0 :::8080                     :::*                        LISTEN      1568 /java