Carte wifi non reconnue

d’après la page Carte wifi non installée
il faut faire

ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: enp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 68:f7:28:5f:05:f6 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.29/24 brd 192.168.0.255 scope global dynamic noprefixroute enp3s0
       valid_lft 42048sec preferred_lft 42048sec
    inet6 2a01:e34:ee4a:fee0:e83d:7206:2b74:41e7/64 scope global dynamic noprefixroute 
       valid_lft 86219sec preferred_lft 86219sec
    inet6 fe80::6f83:d3f9:fbd4:bd6d/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp2s0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether 92:4a:4b:21:a4:89 brd ff:ff:ff:ff:ff:ff

pour moi c’est

3: wlp2s0: qui est interessant

mais hobby1 dit > Je n’ai plus qu’à configurer la connexion

mais comment fait il ?