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Wifi Connected but no Internet: Acer c720
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chromosome_gun
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Joined: 07 Feb 2018
Posts: 8

PostPosted: Thu Feb 08, 2018 5:46 pm    Post subject: Wifi Connected but no Internet: Acer c720 Reply with quote

Yesterday I connected to my WPA/WPA2 Wifi network with the following commands

Code:

# wpa_supplicant -Dnl8221,wext -iwlp1s0 -c/etc/wpa.conf -B
# ifconfig wlp1s0



However when I rebooted my computer and tried the same commands I cannot ping to gentoo.org

Here's the results of iwconfig

Code:

# iwconfig
wlp1s0    IEEE 802.11  ESSID:"myWifi"
               Mode:Managed  Frequency:2.427 GHz Access Point: 00:25:3C:ED:95:A1
               Bit Rate=36 Mb/s  Tx-Power=16 dBm
               Retry short limit:7  RTS thr:off  Fragment thr:pff
               Encryption key: off
               Power Management:off
               Link Quality=70/70  Signal level=-23 dBm
               Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
               Tx excessive retries:0 Invalid misc:8 Missed beacon:0

lo            no wireless extensions


Code:

# ifconfig

lo .....

...

wlp1s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
             inet6 2602:306:cc36:888-:b210:41ff:fe69:6f01  prefixlen 64  scopeid 0x0<global>
             inet6 fe80::b210:41ff:fe69:6f01  prefixlen 64  scopeid 0x20<link>
             ether b0:10:41:69:6f:01  txqueuelen 1000 (Ethernet)
             RX packets 280  bytes 14925 (14.5 KiB)
             RX errors 0 dropped 0 overruns 0 frame 0
             TX packets 10 bytes 1127 (1.1KiB)
             TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0


Code:

# lspci -nnk | grep -iA2 net

01:00.0 Network controller [0280]: Qualcomm Atheros AR9462 Wireless Network Adapter [168c:0034] (rev 01)
             Subsystem: Foxconn International, Inc. AR9462 Wireless Network Adapter [105b:e058]
             Kernel driver in use: ath9k
             Kernel modules: ath9k


Code:
# ping -c 3 www.gentoo.org

ping: www.gentoo.org: Temporary failure in name resolution



Code:

# cat /etc/conf.d/net

iwconfig_wlp1s0="mode managed"
modules="wpa_supplicant"
key_myWifi="[1] s:password key [1] enc open"
preferred_Aps=";myWifi'"


I'm really at a loss. I thought I fixed it yesterday the wpa_supplicant, but now I can't use the internet.

The internet was working yesterday and I installed XFCE4. After the XFCE install, I rebooted and tried to connect again today and failed to ping.


Last edited by chromosome_gun on Thu Feb 08, 2018 5:55 pm; edited 2 times in total
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Jaglover
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Location: Saint Amant, Acadiana

PostPosted: Thu Feb 08, 2018 5:49 pm    Post subject: Reply with quote

Is your DNS solution working?
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chromosome_gun
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Joined: 07 Feb 2018
Posts: 8

PostPosted: Thu Feb 08, 2018 5:54 pm    Post subject: Reply with quote

Jaglover wrote:
Is your DNS solution working?


Sorry I'm such a noob :cry: Can you elaborate for me? My linux experience seems to not justify Gentoo, although I'm trying to learn it.
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Jaglover
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Location: Saint Amant, Acadiana

PostPosted: Thu Feb 08, 2018 6:05 pm    Post subject: Reply with quote

In simple setups there is /etc/resolv.conf with nameservers. There are DHCP clients and other network management tools that may manage it for you.
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Hu
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PostPosted: Fri Feb 09, 2018 2:50 am    Post subject: Re: Wifi Connected but no Internet: Acer c720 Reply with quote

chromosome_gun wrote:
Code:
# ifconfig
wlp1s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
             inet6 2602:306:cc36:888-:b210:41ff:fe69:6f01  prefixlen 64  scopeid 0x0<global>
             inet6 fe80::b210:41ff:fe69:6f01  prefixlen 64  scopeid 0x20<link>
I read this to mean that you have no IPv4 address. If so, large portions of the Internet will be unavailable to you. Your wireless AP may have granted you an association, but you seem not to have an address. If you know what address it should give you, you could temporarily add one by hand. However, you ought to fix the system to set an address automatically. Usually, this is done through DHCP.
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chromosome_gun
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Joined: 07 Feb 2018
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PostPosted: Fri Feb 09, 2018 4:43 pm    Post subject: Re: Wifi Connected but no Internet: Acer c720 Reply with quote

Hu wrote:
chromosome_gun wrote:
Code:
# ifconfig
wlp1s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
             inet6 2602:306:cc36:888-:b210:41ff:fe69:6f01  prefixlen 64  scopeid 0x0<global>
             inet6 fe80::b210:41ff:fe69:6f01  prefixlen 64  scopeid 0x20<link>
I read this to mean that you have no IPv4 address. If so, large portions of the Internet will be unavailable to you. Your wireless AP may have granted you an association, but you seem not to have an address. If you know what address it should give you, you could temporarily add one by hand. However, you ought to fix the system to set an address automatically. Usually, this is done through DHCP.


Thanks. This was clear enough for me. Thanks to all for the patience.

I got it to work now. First run wpa_supplicant, then dhcpd, then ifconfig
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