In wifi networks, it always shows device not ready, I have tried 100 different things suggested on internet, nothing has changed, please help. I am ready to post as many output you want.
Output of nmcli
:
eno1: connected to WiredConnection
"Realtek RTL8111/8168/8411"
ethernet (r8168), 46:22:5E:B4:7C:86, hw, mtu 1500
ip4 default, ip6 default
inet4 172.22.28.154/23
route4 172.22.28.0/23 metric 100
route4 default via 172.22.28.1 metric 20100
inet6 fe80::8196:9390:b4c6:772c/64
route6 fe80::/64 metric 1024
route6 default via fe80::76da:daff:feaa:b262 metric 20100
wlp0s20f0u2: unavailable
"TP-Link TL-WN722N v2/v3"
wifi (r8188eu), B0:A7:B9:58:25:CF, hw, mtu 1500
lo: unmanaged
"lo"
loopback (unknown), 00:00:00:00:00:00, sw, mtu 65536
DNS configuration:
servers: 8.8.8.8 1.1.1.1 1.0.0.1 192.168.214.91
servers: 8.8.8.8 1.1.1.1 1.0.0.1 192.168.214.91
servers: 1.1.1.1 1.0.0.1 14.139.5.5 8.8.8.8 49.45.0.4
interface: eno1
Use "nmcli device show" to get complete information about known devices and
"nmcli connection show" to get an overview on active connection profiles.
Consult nmcli(1) and nmcli-examples(7) manual pages for complete usage details.