Hi. Past two days I have had the opportunity to try Kali Linux 2.0 (Sana) in my Parallels and when I tried to do apt-get update and apt-get upgrade as well as apt-get dist-upgrade, the connection is really slow. I was getting about 15KB/s download speed and my Internet connection speed is actually about 3-5MB/s. Which means, my download speed should be 250-600 KB/s. This is really frustrating.
I tried investigating the problem. At first, I thought this has to be something wrong with the repository. So i changed the repo to a different mirror. Even on the nearest mirror to my country, the connection still looks shitty. Never mind, let's try another one. Still not working. The day goes on and finally i ended up trying 5 different mirrors with no luck. Holy crap, i said to myself, this has to be something i overlooked. I changed the DNS to Google public DNS too but still, that didn't make anything better.
I opened up Iceweasel (a Firefox clone that is preinstalled in Kali - Firefox can't be included for some licensing issue they said) and try to run speed test by going to speedtest.net. Oh crap, I don't even have Flash plugin installed. Should I install it? Hell no, I won't do that. Flash is dead. Killed by series of non-stop emerging vulnerabilities. I should download Chrome and observe the speed test using it.
While downloading Google Chrome deb file, i noticed that the download speed won't go pass 40 KB/s. WHATT?? And now I am sure that this has something to do with my connection speed. So, I try to download some random stuff using my Chrome in Mac OS X and there it is. THE DOWNLOAD SPEED IS FINE! ~500 KB/s as usual.
Now I know that my Internet connection speed is fine and Kali Linux repos mirrors are fine, but something is capping my bandwidth in Kali Linux. Is it Parallels? So I shut down the virtual machine and checked the settings. There it is. After changing some setting in Network section, my capped connection speed problem solved. Because I don't find the solution via googling around, I posted the solution here.
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Problematic settings |
This is the problematic settings. The NIC Type is set to Realtek RTL8029AS and type is Wi-fi. I believed other settings below those two matters.
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Correct settings |
And this is the correct settings that solved the problem for me. NIC Type is Virtio network adapter and type is shared network.
PS: I've tried playing around with the settings a bit and i found that changing the type to bridged, wi-fi and so on doesn't matter. The only problem is NIC Type and you have to choose that right.