In Linux Mint 17.3 / 18 iwconfig says the power management of my wireless card is turned on. I want to turn it off permanently or some workaround on this issue. sudo iwconfig wlan0 power off works, until I reboot the laptop. Also, if I randomly check iwconfig, sometimes it's on, despite I did run this command. I read some articles about making the fix permanent. All of them contained the first ste