Test environment: CentOS 6.8 Tomcat
Test environment: CentOS 7.3 Apache
Software version: jdk-8u144-linux-x64.tar.gz
Apache-tomcat-8.0.45.tar.gz
Apache 2.4.6
You need to use DNS service resolution, if not, modify/etc/hosts to add the corresponding IP address and relative domain name.
1. Install Tomcat on CentOS 6.8
Create a Tomcat user and specify an ID number of 601.
] #useradd-U 601 Tomcat
Unzip the JDK
] #tar XF jdk-8u144-linux-x64.tar.gz
Move JDK to/usr/local
] #mv jdk1.8.0_144//usr/local/
Create a soft link name for JDK
] #ln-S/usr/local/jdk1.8.0_144//usr/local/jdk
Unzip Tomcat.
] #tar XF apache-tomcat-8.0.45.tar.gz
Move to/usr/local below
]# MV apache-tomcat-8.0.45/usr/local/
Create soft connection name for Tomcat
]# ln-s/usr/local/apache-tomcat-8.0.45//usr/local/tomcat
Configuring the environment variables required for Tomcat
]# Vim/etc/profile
Export JAVA_HOME=/USR/LOCAL/JDK
Export path= $JAVA _home/bin: $JAVA _home/jre/bin: $PATH
Export classpath=. $CLASSPATH: $JAVA _home/lib: $JAVA _home/jre/lib: $JAVA _home/lib/tools.jar
Export Tomcat_home=/usr/local/tomcat
Reread/etc/profile
]# Source/etc/profile
Check that the environment variable is in effect, view the version number
]# java-version
Java Version "1.8.0_144"
Java (TM) SE Runtime Environment (build 1.8.0_144-b01)
Java HotSpot (TM) 64-bit Server VM (build 25.144-b01, Mixed mode)
Modify/USR/LOCAL/JDK,/usr/local/tomcat of the genus Group is tomcat.
]# Chown-r TOMCAT:TOMCAT/USR/LOCAL/JDK
]# Chown-r tomcat:tomcat/usr/local/tomcat/
Create log directory
]# Mkdir/usr/local/tomcat/logs
Switch to Tomcat user under Start Tomcat
]# Su-tomcat
]$/usr/local/tomcat/bin/startup.sh
-bash:/usr/local/tomcat/bin/startup.sh:permission denied
The error here is that there is no execute permission, switch to root and use chmod to modify
]# chmod u+x/usr/local/tomcat/bin/*.sh
Switch to Tomcat and start Tomcat again
]$/usr/local/tomcat/bin/startup.sh
Using catalina_base:/usr/local/tomcat
Using Catalina_home:/usr/local/tomcat
Using Catalina_tmpdir:/usr/local/tomcat/temp
Using Jre_home:/USR/LOCAL/JDK
Using CLASSPATH:/usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar
Tomcat started.
See if Tomcat is listening on port 8080
]# SS-TNL
State recv-q send-q Local address:port Peer address:port
LISTEN 0 1:: ffff:127.0.0.1:8005:::*
LISTEN 0::: 8009:::*
LISTEN 0::: 8080:::*
LISTEN 0 128::: 22:: :*
LISTEN 0 *:22 *:*
Access Address ip+8080 Port
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Directories and index.jsp files required to create a virtual host
]# mkdir-p/data/{logs,webapps}
]# mkdir root/{classes, Lib,meta-inf,web-inf}
}# Vim index.jsp
<%@ page language= "java"%>
<%@ page import= "java.util.*"%>
<title>to Text Page </title>
<body>
<% out.println ("hello,world!!"); %>
</body>
Edit Server.xml, and add the following configuration at the end.
]# cd/usr/local/tomcat/conf/
]# Vim Server.xml
</Host>
<context path= "" docbase= "ROOT" reloadable= "true"/>
<valve classname= "Org.apache.catalina.valves.AccessLogValve" directory= "/data/logs"
prefix= "Web1_access_log" suffix= ". txt"
pattern= "%h%l%u%t "%r" %s%b "/>
</Host>
Restart Tomcat, and then test for normal access.
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2. Installing Apache in CentOS 7.3
CentOS 7.3 On the Apache is the 2.4.6 version, if you are installing the system is the use of basic services are automatically installed, I use the minimal installation, need to install separately. It can be installed directly with yum-y install httpd. The installation process is omitted.
Enter the httpd directory
]# cd/etc/httpd/
httpd]# ls
Conf CONF.D CONF.MODULES.D logs modules run
Add a configuration file for a virtual host under CONF.D
[Email protected] conf.d]# vim vhosts.conf
<virtualhost *:80>
ServerName web1.dklwj.com
Proxyvia on
Proxyrequests OFF
Proxypreservehost on
<proxy *>
Require all granted
</proxy>
Proxypass/status!
proxypass/http://192.168.2.38:8080/
proxypassreverse/http://192.168.2.38:8080/
<location/>
Require all granted
</Location>
</VirtualHost>
Use HTTPD-T to check the configuration file for errors.
[Email protected] conf.d]# httpd-t
Syntax OK
Restart HTTPD Service
[[email protected] CONF.D] #systemctl restart httpd
Test access;
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Test success, if there is any problem, we can point out, learn from each other.
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