Ubuntu

No internet connectivity when updated from 16.04 to 18.04

Asked by Sabbir Ahmed

I have upgraded the system from 16.04 to 18.04 and facing the problem of no internet connectivity. I have added the nameserver 8.8.8.8 into resolv.conf file and I can ping 8.8.8.8 but no browsing. For your kind information, I have connected my laptop with a LAN port for the internet access using the cable.
Could you please help me out with this issue? Thanks in advance

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actionparsnip (andrew-woodhead666) said : 		#1

What is the output of:

ip addr; echo; cat /etc/resolv.conf

Thanks

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Sabbir Ahmed (sabbir-unioulu) said : 		#2

ip: 10.32.41.49
cat /etc/resolv.conf:
nameserver 8.8.8.8
nameserver 8.8.8.8
nameserver 8.8.8.8
nameserver 127.0.0.53
search meas.ee.oulu.fi

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actionparsnip (andrew-woodhead666) said : 		#3

Can you ping your default gateway?
Do you use a proxy for Web access?

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Sabbir Ahmed (sabbir-unioulu) said : 		#4

I can ping my default gateway.
No.

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Sabbir Ahmed (sabbir-unioulu) said : 		#5

Could you please suggest me what should I do?

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actionparsnip (andrew-woodhead666) said : 		#6

If you reboot your router does it help?

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Sabbir Ahmed (sabbir-unioulu) said : 		#7

Actually, I can't reboot the router because it is from the university network. I just connected with a port.

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actionparsnip (andrew-woodhead666) said : 		#8

Ah I see. Can they see your traffic going to the device?

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Sabbir Ahmed (sabbir-unioulu) said : 		#9

I have to contact them, may be tomorrow. But, if you have any other solution then please let me know. Thanks a lot

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Launchpad Janitor (janitor) said : 		#10

This question was expired because it remained in the 'Open' state without activity for the last 15 days.