WIFI Linux command line Conect

alternativa 1
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sudo iwconfig wlan0 mode managed essid 'my_network' key 'XX:XX:... hex key 26 digits'
sudo dhclient -v wlan0
sudo dhclient wlan0
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alternativa 2

sudo ifconfig wlan0 up
sudo lwlist wlan0 scan
sudo iwconfig wlan0 essid ..Starbucks..
sudo iwconfig

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alternativa 3 con nmcli

sudo nmcli 'standard ubuntu tool'
sudo nmcli c
sudo nmcli c up uuid <paste uuid here>
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sudo nmcli nm wifi off
sudo rfkill unblock wlan
sudo service hostapd start (restart)
sudo nmcli nm wifi on

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instalacion de un network manager

sudo apt-get install network-manager nerwork-manager-gnome
to verify: dpkg -l | grep network-man*

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instalacion de algun browser

sudo apt-get install iceweasel