How to check tomcat version in linux

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1. Why To view tomcat version information

1: Customer or developer request

2: Website migration or environment replication

3: Vulnerability review or penetration testing

2. How to check tomcat version information

1: Use the curl command to collect web page information and filter out "Apache Tomcat" can

Command: curl Tomcat_ip_addr:port | grep "Apache Tomcat"

Advantages: The most commonly used method, you can view it without entering the background, it is simple and feasible.

Risk: Some companies will hide version information or the name of tomcat, which is misleading.

2: Enter the background, find the bin/ directory under the tomcat package, and execute the version.sh file. The corresponding Server number is the version information corresponding to tomcat

For example: my tomcat package is under /usr/local/

Command: /usr/local/tomcat/bin/version.sh

##Advantages: Can accurately find out the version information.

Insufficiency: Must enter the background and obtain executable permissions.

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