wifi powersave

matteo@turbo:~$ ssh root@raver 'iw dev wlp3s0 get power_save'
Power save: on

matteo@turbo:~$ ping -c4 raver
PING raver (192.168.85.2) 56(84) bytes of data.
64 bytes from raver (192.168.85.2): icmp_seq=1 ttl=64 time=83.7 ms
64 bytes from raver (192.168.85.2): icmp_seq=2 ttl=64 time=105 ms
64 bytes from raver (192.168.85.2): icmp_seq=3 ttl=64 time=25.6 ms
64 bytes from raver (192.168.85.2): icmp_seq=4 ttl=64 time=47.7 ms

--- raver ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3005ms
rtt min/avg/max/mdev = 25.693/65.765/105.882/31.068 ms

matteo@turbo:~$ ssh root@raver 'iw dev wlp3s0 set power_save off'

matteo@turbo:~$ ping -c4 raver
PING raver (192.168.85.2) 56(84) bytes of data.
64 bytes from raver (192.168.85.2): icmp_seq=1 ttl=64 time=0.915 ms
64 bytes from raver (192.168.85.2): icmp_seq=2 ttl=64 time=0.779 ms
64 bytes from raver (192.168.85.2): icmp_seq=3 ttl=64 time=0.938 ms
64 bytes from raver (192.168.85.2): icmp_seq=4 ttl=64 time=0.698 ms

--- raver ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 7ms
rtt min/avg/max/mdev = 0.698/0.832/0.938/0.102 ms
matteo@turbo:~$