A resposta sobre esta questão no github O link funciona para mim.
EDIT Eu estava usando o Ubuntu 17.10. A seguir, a saída. Eu tenho um adaptador USB Wi-Fi MT7601U.
$ lsusb
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 082: ID 148f:7601 Ralink Technology, Corp. MT7601U Wireless Adapter
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 002: ID 148f:7601 Ralink Technology, Corp. MT7601U Wireless Adapter
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
$ sudo iwconfig
enp0s25 no wireless extensions.
lo no wireless extensions.
$ lspci -nnk | grep -iA3 net
00:19.0 Ethernet controller [0200]: Intel Corporation 82579V Gigabit Network Connection [8086:1503] (rev 04)
Subsystem: Toshiba America Info Systems 82579V Gigabit Network Connection [1179:0002]
Kernel driver in use: e1000e
Kernel modules: e1000e
00:1a.0 USB controller [0c03]: Intel Corporation 7 Series/C216 Chipset Family USB Enhanced Host Controller #2 [8086:1e2d] (rev 04)
Eu tentei pesquisar no Google e alguns dizem que esse adaptador Wi-Fi deve funcionar automaticamente quando é inserido. Mas não do meu lado.
Qual é a outra configuração que preciso fazer?
Eu também tentei as instruções neste link Instalação do adaptador Wi-Fi Ralink MT7601U (148f: 7601)
EDIT ::
Eu fiz o downgrade do meu Ubuntu para 16.04 para testar se o que está escrito no link acima era verdade, mas infelizmente o mesmo problema.
Aqui está a saída para lsmod | grep mt7
$ lsmod | grep mt7
mt7601u 102400 0
mac80211 782336 1 mt7601u
cfg80211 602112 2 mac80211,mt7601u
Nenhuma saída para sudo rfkill list all
Aqui estão as outras saídas para o comando 16.04
$ lsusb
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 109: ID 148f:7601 Ralink Technology, Corp. MT7601U Wireless Adapter
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
$ sudo iwconfig
enp0s25 no wireless extensions.
lo no wireless extensions.
$ lspci -nnk | grep -iA3 net
00:19.0 Ethernet controller [0200]: Intel Corporation 82579V Gigabit Network Connection [8086:1503] (rev 04)
Subsystem: Toshiba America Info Systems 82579V Gigabit Network Connection [1179:0002]
Kernel driver in use: e1000e
Kernel modules: e1000e
00:1a.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 [8086:1e2d] (rev 04)
A resposta sobre esta questão no github O link funciona para mim.