1. Configuration Environment (centos 7.6)
systemctl stop firewalld
iptables -F
setenforce 0
2. Install jdk package
Upload jdk package
tar xf jdk-8u191-linux-x64.tar.gz
mv jdk1.8.0_191/ /usr/local/java
3.jdk path is not your path, enter / etc / profile add environment variables
vim / etc / profile is inserted in the last two variables export
4. Install tomcat
Upload tomcat package
tar xf apache-tomcat-9.5.16.tar.gz
mv apache-tomcat-9.5.16 /usr/lcoal/tomcat8
5./usr/local/tomcat8/bin/startup.sh start tomcat, closed with shutdown.sh
After the start tomcat 8080 port is open.
6. Open the browser test
Supplementary *: uninstall package production line as much as possible with rpm, so as not to unload too clean, resulting in paralysis of the system.
Remember to back up your files when changes, so as not to alter the failure can not be restored.
For example: rpm -e httpd --nodeps -e rpm is unloaded, - nodeps contact dependencies.