Install Jstack On Ubuntu · Direct & Working

sudo dpkg -i oracle-jdk-17_linux-x64_bin.deb Oracle JDK also includes jstack in its bin/ directory. To locate the exact binary:

sudo jstack <PID> On many Ubuntu systems, running jstack on a Java process owned by another user (e.g., Tomcat, Jenkins) requires root privileges or that the user matches the process owner. If you get Operation not permitted , prepend sudo : install jstack on ubuntu

If you have multiple JDK versions installed, you can switch the default: sudo dpkg -i oracle-jdk-17_linux-x64_bin

update-alternatives --list jstack Or: