0
votes
1answer
21 views

Ubuntu 12.04 ping 8.8.8.8 does not work on one network only

I'm using Ubuntu 12.04. I can connect to and use the internet on one wireless network (say A) and not on the other network (say B). I can connect to B and get an IP address. When I ping 127.0.0.1 it ...
1
vote
3answers
111 views

A “failed to fetch” error occurs when apt-get update is run. How do I fix this?

Contrary to the note above, I haven't found the answer to my problem. I have read almost a dozen apt-get update questions, most from askubuntu.com, with "failed to fetch" errors and tried the ...
2
votes
3answers
238 views

Upgraded from 10.04 to 12.04, lost internet connectivity

Since I upgraded my HP Proliant Server from Ubuntu 10.04 to 12.04, I am unable to: ping google.com ping 8.8.8.8 browse the internet with Firefox git fetch origin cap deploy from a remote machine I ...
1
vote
0answers
148 views

Stateless auto configuration IPv6 in ubuntu 12.04

I have installed ubuntu 12.04. i heard that ethernet interface automatically get a link local address but in my ubuntu box it's not getting link local address. Command ifconfig -a output Link ...
0
votes
0answers
165 views

Very high ping (20s) with Realtek 8111E on Ubuntu 12.04 64bit

I have upgraded my main workstations' hardware with a new motherboard (MSI 990XA-GD55) -- the new system has an onboard Realtek 8111E NIC. Network did not work at all until I installed Realtek's ...
4
votes
2answers
434 views

Linux got IP from DHCP, but still can't connect to WPA2 WIFI

Here I got a problem. I have a Wireless Router which is Buffalo WCR-HP-GN, and I setting a WIFI which use WPA2-PSK authentication and the passphrase encrypted by TKIP. The password is a 9-letter ...
2
votes
1answer
4k views

VirtualBox: How do I ping a Windows guest from the Ubuntu?

I use Ubuntu 12.04 (64-bit) as host OS and Windows 7 as guest OS. How can I ping the Windows 7 system from Ubuntu? And is that possible even when Internet is off?