My method for updating Tomcat is that it lives behind a symbolic link. 
/opt/tomcat/latest points to the version I want to run. 
/opt/tomcat/apache-tomcat-9.0.XX when I want to upgrade I untar the latest 
version, stop the running version, copy over the needed files to the new 
version, repoint the link, and start up the new version. The system control 
file use the symbolic link so needs no changes.

Darryl Baker, GSEC, GCLD (he/him/his) 
Sr. System Administrator 
Distributed Application Platform Services 
Northwestern University 
4th Floor 
2020 Ridge Avenue 
Evanston, IL 60208-0801 
darryl.ba...@northwestern.edu <mailto:darryl.ba...@northwestern.edu> 
(847) 467-6674 <tel:+18474676674> 




On 9/5/24, 9:56 AM, "David Rush" <david.r...@wyo.gov 
<mailto:david.r...@wyo.gov>> wrote:


Sebastian:


I want to keep HOME and BASE separate so that when a new version of Tomcat
comes out it's easy to swap the new binary download in at CATALINA_HOME
without impacting my configuration or webapps in CATALINA_BASE


David


On Thu, Sep 5, 2024 at 8:52 AM Sebastian Trost
<m...@sebastiantrost.de.inva <mailto:m...@sebastiantrost.de.inva>lid> wrote:


> David,
>
> On 05.09.2024 16:13, David Rush wrote:
> > My CATALINA_HOME is /opt/tomcat9/home (which is a symlink to
> > /opt/tomcat9/apache-tomcat-9.0.93)
> > My CATALINA_BASE is /var/opt/tomcat9
> Why are you setting the CATALINA_BASE-variable? If you're running just
> one Tomcat instance, this variable is not needed. Also, you point this
> variable to a different directory?
>
> See
>
> https://urldefense.com/v3/__https://tomcat.apache.org/tomcat-10.1-doc/introduction.html
>  
> <https://urldefense.com/v3/__https://tomcat.apache.org/tomcat-10.1-doc/introduction.html>*CATALINA_HOME_and_CATALINA_BASE__;Iw!!Dq0X2DkFhyF93HkjWTBQKhk!Rc7C8HkZWIbxfAm38rp_i-EV1fH7v3D-qSOqznnMXuPLPia3Lv6Ln8BmtPmJv0LMLNRTToWFeSGEIMSE9xhvPZvlufqjKXI$
>  
>
> Sebastian
>
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