disable sandbox tomcat 9 ubuntu 20.04

Question

I have a Tomcat 9 package of Ubuntu 20.04 installed.

Like in the manual here: https://salsa.debian.org/java-team/tomcat9/blob/master/debian/README.Debian

We need to set all the filesystems one by one (overriding).

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Is there a way to disable the sandboxing or a way to include all filesystems or all the "/".

Or, is there a way to include a wildcard? Like all /home* (/home, /home02, /home03)

Answer 1

This is controlled by systemd . The systemd tomcat9 service file on ubuntu is:

/etc/systemd/system/multi-user.target.wants/tomcat9.service

To disable the filesystem protections you'll need to change the ProtectSystem directive from the default of 'strict' to 'false'.

ProtectSystem=false

After that run:

sudo systemctl daemon-reload
sudo service tomcat9 restart