Reinstale sudo apt-get install --reinstall network-manager, ou coloque os comandos que citou dentro do rc.local
Para entendermos o caso, execute os seguintes comandos e cole os resultados aqui.
sudo lshw -C network
ifconfig -a
iwconfig
nm-tool
rfkill list wifi
Olá Bernaders,
Eu reinstalei o network-manager e tbem coloquei os comandos no rc.local. nenhuma das alternativas funcionou.
Estou colando abaixo a resposta aos comandos que vc sugeriu.
Obrigado pelo retorno
-- Marcio
$sudo lshw -C network
*-network
description: Wireless interface
product: Centrino Wireless-N 1030 [Rainbow Peak]
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlan0
version: 34
serial: 4c:80:93:1a:5d:ec
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=3.8.0-22-generic firmware=18.168.6.1 ip=192.168.1.107 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn
resources: irq:50 memory:f1b00000-f1b01fff
*-network
description: Ethernet interface
product: RTL8111/8168 PCI Express Gigabit Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:06:00.0
logical name: eth0
version: 06
serial: 84:8f:69:b6:2a:37
size: 10Mbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl_nic/rtl8168e-2.fw latency=0 link=no multicast=yes port=MII speed=10Mbit/s
resources: irq:46 ioport:2000(size=256) memory:f1804000-f1804fff memory:f1800000-f1803fff
$ifconfig -a
eth0 Link encap:Ethernet HWaddr 84:8f:69:b6:2a:37
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:192 errors:0 dropped:0 overruns:0 frame:0
TX packets:192 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:14728 (14.7 KB) TX bytes:14728 (14.7 KB)
wlan0 Link encap:Ethernet HWaddr 4c:80:93:1a:5d:ec
inet addr:192.168.1.107 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::4e80:93ff:fe1a:5dec/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:63101 errors:0 dropped:0 overruns:0 frame:0
TX packets:31431 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:75013977 (75.0 MB) TX bytes:3525724 (3.5 MB)
$iwconfig
wlan0 IEEE 802.11bgn ESSID:"linksys"
Mode:Managed Frequency:2.412 GHz Access Point: 00:16:B6:47:C0:C2
Bit Rate=48 Mb/s Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=42/70 Signal level=-68 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:3919 Missed beacon:0
$nmtool
NetworkManager Tool
State: connected (global)
- Device: eth0 -----------------------------------------------------------------
Type: Wired
Driver: r8169
State: unavailable
Default: no
HW Address: 84:8F:69:B6:2A:37
Capabilities:
Carrier Detect: yes
Wired Properties
Carrier: off
- Device: wlan0 [linksys] -----------------------------------------------------
Type: 802.11 WiFi
Driver: iwlwifi
State: connected
Default: yes
HW Address: 4C:80:93:1A:5D:EC
Capabilities:
Speed: 1 Mb/s
Wireless Properties
WEP Encryption: yes
WPA Encryption: yes
WPA2 Encryption: yes
Wireless Access Points (* = current AP)
HomeWireless: Infra, 00:22:B0:8E:BB:CF, Freq 2417 MHz, Rate 54 Mb/s, Strength 49 WPA WPA2
Spartacus: Infra, 00:18:39:7C:97:63, Freq 2442 MHz, Rate 54 Mb/s, Strength 42 WPA
netvirtuaba34: Infra, 38:6B:BB:BA:90:B6, Freq 2462 MHz, Rate 54 Mb/s, Strength 24 WPA
*linksys: Infra, 00:16:B6:47:C0:C2, Freq 2412 MHz, Rate 54 Mb/s, Strength 51 WEP
Time Capsule Casa: Infra, 38:6B:BB:B7:ED:83, Freq 2462 MHz, Rate 54 Mb/s, Strength 30 WPA
nova_rede: Infra, F8:D1:11:2A:C1:46, Freq 2452 MHz, Rate 54 Mb/s, Strength 27 WEP
Portaria SCPV: Infra, 00:1A:3F:6A:34:48, Freq 2462 MHz, Rate 54 Mb/s, Strength 37
TORRE_2: Infra, 00:0C:42:68:5E:B1, Freq 2432 MHz, Rate 54 Mb/s, Strength 35
badica: Infra, 54:E6:FC:E9:F7:26, Freq 2462 MHz, Rate 54 Mb/s, Strength 27 WPA
FamiliaSantos: Infra, 1C:7E:E5:BA:F9:3A, Freq 2437 MHz, Rate 54 Mb/s, Strength 39 WPA WPA2
PDRH: Infra, 00:21:91:71:B8:0A, Freq 2437 MHz, Rate 54 Mb/s, Strength 27 WPA WPA2
IPv4 Settings:
Address: 192.168.1.107
Prefix: 24 (255.255.255.0)
Gateway: 192.168.1.1
DNS: 201.82.0.64
DNS: 201.82.0.51
$rfkill list wifi
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no