Install Jstack On Ubuntu _top_ Info
# Edit the sysctl configuration echo 'kernel.yama.ptrace_scope = 0' | sudo tee -a /etc/sysctl.d/10-ptrace.conf sudo sysctl -p /etc/sysctl.d/10-ptrace.conf
For quick reference:
# Edit the sysctl configuration echo 'kernel.yama.ptrace_scope = 0' | sudo tee -a /etc/sysctl.d/10-ptrace.conf sudo sysctl -p /etc/sysctl.d/10-ptrace.conf
For quick reference: