download from https://tomcat.apache.org/download-90.cgi
upload to /usr/local/software
mv apache-tomcat-9.0.24.tar.gz /usr/local
tar -xzvf apache-tomcat-9.0.24.tar.gz
rename： mv /a /b/c======》mv apache-tomcat-9.0.24 /usr/local/tomcat9
in the same dir,like this: mv apache-tomcat-9.0.24 tomcat9
原文：https://www.cnblogs.com/hoge66/p/11516059.html