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So I somehow managed to install Arch Linux successfully. At the time of installation, I followed the official guide as well as this guide. During the installation, I had successfully connected to wireless by the mentioned method in the guide and was able to install packages. I issued following commands to stay connected to internet after reboot:

# systemctl enable dhcpcd.service
# systemctl start dhcpcd.service

Now when I do the first reboot, I am unable to connect to internet. I tried all the ways mentioned in both the guides. This is the screenshot of my terminal.

As you can see, the command ip link show wlp4s0 indicated that the interface is UP. But still I am not connected to the internet i.e. Ping to Google fails. I am unable to install any new packages because of this. (No pacman) What is going wrong in my steps? How should I proceed?

share|improve this question
Work through the Arch Wiki wireless page systematically. You only use one service to connect wirelessly, and you have to follow all the steps... – jasonwryan May 17 '14 at 8:42
As per the manual, I am supposed to use the iw command everywhere, which itself is "not found" (check the screenshot, first line). Hence all the trouble. What might be the problem? – bludger May 17 '14 at 8:47
You didn't install iw or wireless-tools. You can still use netctl: just read the wiki... – jasonwryan May 17 '14 at 8:53

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