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Wireless works fine at home.

However, at a cafe I am not able to browse Internet or ping 72.14.204.105.

I am able to connect wirelessly at cafe and ping router: 192.168.1.1.

Route includes: default 192.168.1.1. 0.0.0.0. UG 100 0 0 wlan0

I am not using firewall. Using dhcp. No wireless security.

How do I fix this?

Thanks.

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We need more hardware information to help you, can you look at this question and then edit your question adding the information. –  Jorge Castro Oct 9 '11 at 23:01
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5 Answers 5

That is actually not a problem in Ubuntu, but a problem with the configuration in the cafe. Not all cafes offer free, one click away internet connection. Cafes and Airports for example offer a website to which you connect (Tipically a 192.168.1.1, 10.0.0.1 or similar IPs) and in the web page the charge you with some credit point or credit card the time or bandwidth you will be using. This is one case.

Other cases include a proxy setting that you need to do or some static ip that you need to configure.

In any or all cases you need to ask in the place where you want to connect. Either to the person attending the cafe or if in an airport to somebody in charge.

Mentioning that the wireless connection works in your home just shows that the wireless device in your laptop is working correctly. So the problem must be somewhere else and not in Ubuntu.

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I got it to work with iPad and iPhone. Also, I think it was working there before. –  B Seven Oct 10 '11 at 4:43
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I suspect your cafe uses login page for wireless access, did you ask the cafe attendance?

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I don't know...nothing came up in chrome... –  B Seven Oct 10 '11 at 4:41
    
i suggest you talk to the cafe attendance for further clarifications since the info you provided sounds logical enough to get online –  d4v1dv00 Oct 12 '11 at 2:33
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Is your system on Mains Power or Battery when you have the problem or not? I've found that /usr/sbin/pm-powersave turns OFF my wireless card when I switch to battery. So far. I've gotten wireless to stay up by executing sudo /usr/sbin/pm-powersave false. The man pm-powersave page says I can create an empty file /etc/pm/power.d/wireless to prevent /usr/lib/pm-utils/power.d/wireless from running and doing its magic.

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It's on Mains Power. Same as at home. –  B Seven Oct 13 '11 at 14:30
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up vote 0 down vote accepted

Never found out the answer.

Ended up removing network manager and using Wicd. Overall Wicd is better, but now I can't connect to iPhone or a different cafe.

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Some Cafes reroute you to a "captive" portal where at the very least, you may have to agree to a "terms and conditions" policy. To get the portal to appear your may have to search a fresh URL or hit "home", or clear your cache, so the Access point can intercept /redirect your fresh request to the captive portal page. Some portals also provide a walled garden, so you can see cafe ads or menu items but not access the whole web until you have agreed to policy. A local cafe has a policy to issue half hour session leases,as a "fair"method to knock down clients and give others a chance to log in. One Cafe also revokes leases more frequently during lunch periods in hopes turning over tables during lunch time, and they inform you of that intent the first time you login. Also some cafe website portals are NOT optimized for mobile devices. The agree dialog can be hard to find if you need to scroll white space to find a miniscule boxed button or pull-down control.

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