Linux
Commands
Find PID for a port
sudo ss -tulnp | grep 9001
Kill some process using PID
sudo kill 6256 6263
Difference between two directories
diff -r directory1 directory2
-q: useful for quick checks
WiFi Connected but Internet is not working ?
nmcli connection delete secret-net
nmcli connection delete secret-net
Check IP routed and delete ?
sudo ip route show
sudo ip route del 192.168.0.1