linux strace command for Troubleshooting

Why Strace?
– Trace system call
– Troubleshooting issue with any binary command
– Debugging

strace ls

strace -c ls

strace -e trace=network nc -v -n 127.0.0.1 8080

More:

https://www.geeksforgeeks.org/strace-command-in-linux-with-examples/

https://man7.org/linux/man-pages/man1/strace.1.html