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#1 2017-04-26 01:20:07

Noircir
Member
Registered: 2016-09-21
Posts: 2

Can't get an internet connection using WiFi or Ethernet

I've recently put an SSD in a laptop that I've installed Arch Linux on before. When trying to install Arch this time I can't establish an internet connection via ethernet or wifi. I've noticed when booting the USB ISO it gets stuck for a bit on

  [*** ] A start job is running for dhcpcd on enp3s0.

I've made sure the modules drivers were present

 Kernel driver in use: r8169
           kernel modules: r8169

It is also the same for my wifi network controller, iwlwifi is in use.

For wifi, it fails to connect after using wifi-menu -o, and then after using netctl start <myprofile> it exited with an error code. I entered systemctl status netctl@<myprofile>.service

What I got back is:

archiso dhcpcd[968]: wlp2s0: soliciting a DHCP lease
          archiso dhcpcd[968]: timed out
          archiso network[853]: DHCP IPv4 lease attempt failed on interface 'wlp2s0'
          archiso network[853]: Failed to bring the network up for profile '<MyProfile>'

I thought it was due to faulty hardware but other Linux distrobutions detected the wifi, and worked with an ethernet cord. So, I am not sure what is happening here. I've installed Arch on this laptop before with no problems. Any help would be appreciated.

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#2 2017-04-26 01:22:09

2ManyDogs
Member
Registered: 2012-01-15
Posts: 2,094

Re: Can't get an internet connection using WiFi or Ethernet

Please post the output of "ip a"


"The prettier the user interface, and the fewer odd replies the system allows you to make, the dumber you once appeared in the mind of the designer." -- Ellen Ullman

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#3 2017-04-26 01:31:11

Noircir
Member
Registered: 2016-09-21
Posts: 2

Re: Can't get an internet connection using WiFi or Ethernet

2ManyDogs wrote:

Please post the output of "ip a"

 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_ldft forever preferred_lft forever
 2: enp3s0: <NO-CARRIER, BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000
                link/ether  54:ee:75:38:35:4a brd ff:ff:ff:ff:ff:ff
 3. wlp2s0: <BROADCAST,MULTICAST> mtu 1500 qdisc mq state DOWN group default qlen 1000
               link/ether d0:7e:35:2e:3e:2f brd ff:ff:ff:ff:ff:ff:ff

Last edited by Noircir (2017-04-26 01:32:37)

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#4 2017-04-28 21:20:23

Askr9
Member
From: Midgard
Registered: 2017-02-24
Posts: 1

Re: Can't get an internet connection using WiFi or Ethernet

Looks like there is a problem with either your DHCP server or dhcpcd.

Have you tried to set the IP address manually?

ip addr add <local_ip>/<subnet_mask> broadcast <broadcast_address> dev enp3s0
ip route add default via <gateway_ip> dev enp3s0

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#5 2017-04-28 22:54:57

ewaller
Administrator
From: Pasadena, CA
Registered: 2009-07-13
Posts: 16,133

Re: Can't get an internet connection using WiFi or Ethernet

What is the output of systemctl list-unit-files --state=enabled    ?


Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
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