这里写目录标题
- 部署tomcat
- java环境安装
- 部署LNAMT
- 更改tomcat端口号
tomcat就是中间件之一，tomcat本身是一个容器，专门用来运行java程序，java语言开发的网页.jsp就应该运行于tomcat中。而tomcat本身的运行也依赖于jdk环境。
部署tomcat
java环境安装
tomcat 官网https://archive.apache.org/
安装jdk环境
[root@web1 ~]#: yum clean all
...
[root@web1 ~]#: yum makecache
...
[root@web1 ~]#: yum -y install java-11-openjdk*
...
[root@web1 ~]#: wget https://archive.apache.org/dist/tomcat/tomcat-10/v10.1.19/bin/apache-tomcat-10.1.19.tar.gz
....
[root@web1 ~]#: rpm -qa | grep jdk
java-11-openjdk-devel-11.0.18.0.9-0.3.ea.el8.x86_64
java-11-openjdk-javadoc-11.0.18.0.9-0.3.ea.el8.x86_64
copy-jdk-configs-4.0-2.el8.noarch
java-11-openjdk-headless-11.0.18.0.9-0.3.ea.el8.x86_64
java-11-openjdk-11.0.18.0.9-0.3.ea.el8.x86_64
java-11-openjdk-jmods-11.0.18.0.9-0.3.ea.el8.x86_64
java-11-openjdk-demo-11.0.18.0.9-0.3.ea.el8.x86_64
java-11-openjdk-javadoc-zip-11.0.18.0.9-0.3.ea.el8.x86_64
java-11-openjdk-static-libs-11.0.18.0.9-0.3.ea.el8.x86_64
java-11-openjdk-src-11.0.18.0.9-0.3.ea.el8.x86_64[root@web1 ~]#: java -version
openjdk version "11.0.18-ea" 2023-01-17 LTS
OpenJDK Runtime Environment (Red_Hat-11.0.18.0.9-0.3.ea.el8) (build 11.0.18-ea+9-LTS)
OpenJDK 64-Bit Server VM (Red_Hat-11.0.18.0.9-0.3.ea.el8) (build 11.0.18-ea+9-LTS, mixed mode, sharing)
[root@web1 ~]#: tar xf apache-tomcat-10.1.19.tar.gz -C /usr/local/
[root@web1 ~]#: cd /usr/local/
[root@web1 local]#: ls
apache apr-util games lib64 php8 src
apache-tomcat-10.1.19 bin include libexec sbin
apr etc lib mysql share
[root@web1 local]#: ln -s /usr/local/apache-tomcat-10.1.19/ tomcat
[root@web1 local]#: ll
total 0
drwxr-xr-x. 14 root root 164 Jan 5 10:32 apache
drwxr-xr-x 9 root root 220 Feb 26 15:11 apache-tomcat-10.1.19
drwxr-xr-x. 6 root root 58 Jan 5 10:31 apr
drwxr-xr-x. 5 root root 43 Jan 5 10:31 apr-util
drwxr-xr-x. 2 root root 6 Jun 22 2021 bin
drwxr-xr-x. 2 root root 6 Jun 22 2021 etc
drwxr-xr-x. 2 root root 6 Jun 22 2021 games
drwxr-xr-x. 2 root root 19 Jan 5 10:33 include
drwxr-xr-x. 2 root root 6 Jun 22 2021 lib
drwxr-xr-x. 3 root root 17 Jul 28 2023 lib64
drwxr-xr-x. 2 root root 6 Jun 22 2021 libexec
drwxr-xr-x. 9 mysql mysql 147 Jan 5 10:33 mysql
drwxr-xr-x. 9 root root 88 Jan 5 10:43 php8
drwxr-xr-x. 2 root root 6 Jun 22 2021 sbin
drwxr-xr-x. 5 root root 49 Jul 28 2023 share
drwxr-xr-x. 2 root root 6 Jun 22 2021 src
lrwxrwxrwx 1 root root 33 Feb 26 15:12 tomcat -> /usr/local/apache-tomcat-10.1.19/
[root@web1 local]#: cd tomcat/
[root@web1 tomcat]#: ls
bin CONTRIBUTING.md logs RELEASE-NOTES webapps
BUILDING.txt lib NOTICE RUNNING.txt work
conf LICENSE README.md temp
[root@web1 tomcat]#: cd bin/
[root@web1 bin]#: ls
bootstrap.jar daemon.sh shutdown.sh
catalina.bat digest.bat startup.bat
catalina.sh digest.sh startup.sh
catalina-tasks.xml makebase.bat tomcat-juli.jar
ciphers.bat makebase.sh tomcat-native.tar.gz
ciphers.sh migrate.bat tool-wrapper.bat
commons-daemon.jar migrate.sh tool-wrapper.sh
commons-daemon-native.tar.gz setclasspath.bat version.bat
configtest.bat setclasspath.sh version.sh
configtest.sh shutdown.bat启动tomcat
[root@web1 bin]#: /usr/local/tomcat/bin/catalina.sh start
Using CATALINA_BASE: /usr/local/tomcat
Using CATALINA_HOME: /usr/local/tomcat
Using CATALINA_TMPDIR: /usr/local/tomcat/temp
Using JRE_HOME: /usr
Using CLASSPATH: /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar
Using CATALINA_OPTS:
Tomcat started.
[root@web1 bin]#: ss -antl
State Recv-Q Send-Q Local Address:Port Peer Address:Port Process
LISTEN 0 128 0.0.0.0:9000 0.0.0.0:*
LISTEN 0 128 0.0.0.0:22 0.0.0.0:*
LISTEN 0 70 *:33060 *:*
LISTEN 0 1 [::ffff:127.0.0.1]:8005 *:*
LISTEN 0 128 *:3306 *:*
LISTEN 0 100 *:8080 *:*
LISTEN 0 128 *:80 *:*
LISTEN 0 128 [::]:22 [::]:* 端口号8005/8080和进程要同时启动成功
[root@web1 bin]#: ps -ef | grep tomcat
root 6169 1 1 15:14 pts/0 00:00:02 /usr/bin/java -Djava.util.logging.config.file=/usr/local/tomcat/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djdk.tls.ephemeralDHKeySize=2048 -Djava.protocol.handler.pkgs=org.apache.catalina.webresources -Dorg.apache.catalina.security.SecurityListener.UMASK=0027 --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 -classpath /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar -Dcatalina.base=/usr/local/tomcat -Dcatalina.home=/usr/local/tomcat -Djava.io.tmpdir=/usr/local/tomcat/temp org.apache.catalina.startup.Bootstrap start
root 6211 1846 0 15:16 pts/0 00:00:00 grep --color=auto tomcat
访问测试
设置开机自启
[root@web1 ~]#: cp /usr/lib/systemd/system/sshd.service /usr/lib/systemd/system/tomcat10.service
[root@web1 ~]#: vim /usr/lib/systemd/system/tomcat10.service
[root@web1 ~]#: cat /usr/lib/systemd/system/tomcat10.service
[Unit]
Description=tomcat server daemon
After=network.target[Service]
Type=forking
ExecStart=/usr/local/tomcat/bin/catalina.sh start
ExecStop=/usr/local/tomcat/bin/catalina.sh stop
ExecReload=/bin/kill -HUP $MAINPID[Install]
WantedBy=multi-user.target
[root@web1 ~]#: systemctl daemon-reload
[root@web1 ~]#: systemctl status tomcat10.service
● tomcat10.service - tomcat server daemonLoaded: loaded (/usr/lib/systemd/system/tomcat10.service; disabled; >Active: inactive (dead)
lines 1-3/3 (END)
[root@web1 ~]# systemctl enable --now tomcat10.service
Created symlink /etc/systemd/system/multi-user.target.wants/tomcat10.service → /usr/lib/systemd/system/tomcat10.service.
添加自定义Java测试页面
[root@web1 ~]#: mkdir /usr/local/tomcat/webapps/test
[root@web1 ~]#: cd /usr/local/tomcat/webapps/test
[root@web1 test]#: vim index.jsp
[root@web1 test]#: cat index.jsp
<html>
<head><title>test page</title>
</head>
<body><%out.println("Hellow World");%>
</body>
</html>
部署LNAMT
| 环境准备 | IP | 服务器版本 |
|---|---|---|
| LAMT 8080（web1） | 192.168.227.134 | Centos8/rocky9 |
| LNMT 8081 (web2) | 192.168.227.141 | rocky9 |
| nginx(负载均衡)80 | 192.168.227.153 | rocky9 |
更改tomcat端口号
[root@web2 ~]# cd /usr/local/tomcat/conf/
[root@web2 conf]# vim server.xml
......<Connector port="8081" protocol="HTTP/1.1" 更改端口号为8081connectionTimeout="20000"redirectPort="8443"maxParameterCount="1000"/>
......
[root@web2 conf]# systemctl restart tomcat10.service
[root@web2 conf]# ss -antl
State Recv-Q Send-Q Local Address:Port Peer Address:Port Process
LISTEN 0 4096 127.0.0.1:9000 0.0.0.0:*
LISTEN 0 511 0.0.0.0:80 0.0.0.0:*
LISTEN 0 128 0.0.0.0:22 0.0.0.0:*
LISTEN 0 70 *:33060 *:*
LISTEN 0 1 [::ffff:127.0.0.1]:8005 *:*
LISTEN 0 151 *:3306 *:*
LISTEN 0 100 *:8081 *:*
LISTEN 0 128 [::]:22 [::]:*
在负载均衡服务器上配置
定义upstream
[root@nginx ~]#: cd /usr/local/nginx/conf/
[root@nginx conf]#: ls
fastcgi.conf koi-utf nginx.conf uwsgi_params
fastcgi.conf.default koi-win nginx.conf.default uwsgi_params.default
fastcgi_params mime.types scgi_params win-utf
fastcgi_params.default mime.types.default scgi_params.default
[root@nginx conf]#: vim nginx.conf............upstream webs { 定义upstreamserver 192.168.227.134:8080;server 192.168.227.141:8081;}server {listen 80;server_name localhost;#charset koi8-r;#access_log logs/host.access.log main;location / {proxy_pass http://webs; 修改此行}#error_page 404 /404.html;# redirect server error pages to the static page /50x.html
......
......重启nginx
[root@nginx conf]#: systemctl restart nginx.service 
