本章将介绍怎样在 Ubuntu20.04 TLS 下面安装 Tomcat7，详细步骤如下：
使用 wget 命令下载 Tomcat 安装包，如下：
hxstrive@ubuntu:~/Desktop$ wget https://archive.apache.org/dist/tomcat/tomcat-7/v7.0.64/bin/apache-tomcat-7.0.64.tar.gz --2021-11-08 09:23:11-- https://archive.apache.org/dist/tomcat/tomcat-7/v7.0.64/bin/apache-tomcat-7.0.64.tar.gz Resolving archive.apache.org (archive.apache.org)... 138.201.131.134, 2a01:4f8:172:2ec5::2 Connecting to archive.apache.org (archive.apache.org)|138.201.131.134|:443... connected. HTTP request sent, awaiting response... 200 OK Length: 8858187 (8.4M) [application/x-gzip] Saving to: ‘apache-tomcat-7.0.64.tar.gz’ apache-tomcat-7.0.64.tar.gz 100%[===========================================>] 8.45M 396KB/s in 48s 2021-11-08 09:24:00 (179 KB/s) - ‘apache-tomcat-7.0.64.tar.gz’ saved [8858187/8858187]
使用 tar -xvzf 命令将下载的 tomcat 安装包解压到当前目录，如下：
hxstrive@ubuntu:~/Desktop$ tar -xvzf apache-tomcat-7.0.64.tar.gz apache-tomcat-7.0.64/bin/catalina.sh ...... apache-tomcat-7.0.64/webapps/manager/xform.xsl
使用 cd 命令进入刚刚解压的 tomcat 目录，如下：
hxstrive@ubuntu:~/Desktop$ cd apache-tomcat-7.0.64/ hxstrive@ubuntu:~/Desktop/apache-tomcat-7.0.64$
执行“./bin/startup.sh ; tail -f logs/catalina.out”命令启动 tomcat，启动日志如下：
hxstrive@ubuntu:~/apache-tomcat-7.0.64$ ./bin/startup.sh ; tail -f logs/catalina.out Using CATALINA_BASE: /home/hxstrive/apache-tomcat-7.0.64 Using CATALINA_HOME: /home/hxstrive/apache-tomcat-7.0.64 Using CATALINA_TMPDIR: /home/hxstrive/apache-tomcat-7.0.64/temp Using JRE_HOME: /usr/local/jdk1.8 Using CLASSPATH: /home/hxstrive/apache-tomcat-7.0.64/bin/bootstrap.jar:/home/hxstrive/apache-tomcat-7.0.64/bin/tomcat-juli.jar Tomcat started. ... Nov 08, 2021 9:40:14 AM org.apache.catalina.startup.Catalina start INFO: Server startup in 1426 ms
如果你启动 tomcat 后能看见“信息：Server startup in 1426 ms”提示信息，则说明 tomcat 启动成功。
使用浏览器访问 http://localhost:8080 地址，如果能够看见如下图界面，则说明 tomcat 启动成功，可以访问。
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