Ubuntu – Slow Internet connection with 11.04

11.04broadcomdriversinternet

My internet connection is extremely slow after installing 11.04, It took me over night to download and install firefox flash player pluggin. I have a laptop on the same network which is running windows7 and the speed from that is extremely fast.
Update manager is showing 10.1kb/s. This is really surreal.

I have done some googling around and noticed others having the same problem recommend the command below to do the trick:

sudo -s
echo "options ath9k nohwcrypt=1" > /etc/modprobe.d/ath9k.conf
reboot

I am not using Atheros wire/wireless card. My machine is installed with Broadcom Gigabit Ethernet card. Do anyone know how to resolve this issue.

I have done some search around here, and found a few post which seems to experience the same issue – but none of the suggested solution seems to help.

When i run lspci, i get below output.

00:00.0 Host bridge: Intel Corporation E7230/3000/3010 Memory Controller Hub (rev 81) 
00:01.0 PCI bridge: Intel Corporation E7230/3000/3010 PCI Express Root Port (rev 81) 
00:1c.0 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 1 (rev 01) 
00:1c.5 PCI bridge: Intel Corporation 82801GR/GH/GHM (ICH7 Family) PCI Express Port 6 (rev 01) 
00:1d.0 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #1 (rev 01) 
00:1d.1 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 (rev 01) 
00:1d.2 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 (rev 01) 
00:1d.7 USB Controller: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller (rev 01) 
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev e1) 
00:1f.0 ISA bridge: Intel Corporation 82801GB/GR (ICH7 Family) LPC Interface Bridge (rev 01) 
00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 01) 
00:1f.2 IDE interface: Intel Corporation N10/ICH7 Family SATA IDE Controller (rev 01) 
01:00.0 VGA compatible controller: nVidia Corporation GT216 [GeForce GT 220] (rev a2) 
01:00.1 Audio device: nVidia Corporation High Definition Audio Controller (rev a1)
**07:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5721 Gigabit Ethernet PCI** Express (rev 11)

Thanks

Best Answer

After days of struggling with my connection speed, I finally decide I go down to the port level to investigate. Both my phone and ADSL were going via the same micro-filter. I had a spare phone port and micro-filter available therefore I have seperated the phone and ADSL to have their own independent telephone port, each connected through a micro-filter.

I then phone my provider to made a little fuss - now I am back to the super rocket speed again.

Thanks all for your support.

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Ubuntu – VFS 495 finger print reader not working in Ubuntu

I got it working on 16.04 on this machine following this guide but it had some problems with the links so here's exactly what I did...

(first you may want to navigate to an empty folder because we'll do some downloading & compilation & conversions. Files will be all over the place)

mkdir temporary
cd ./temporary

now we've created a folder and navigated to it we can proceed...

First, download this and place it in your empty folder.

The guide's very long but what's good about it is that it should work if you just follow it sequentially. If you don't understand what's happening just copy and paste the lines one after the other (or ask in a comment)

install the driver:

tar xf vfs495.tar
cd vfs495
sudo apt install alien
sudo alien Validity-Sensor-Setup-4.5-118.00.x86_64.rpm
sudo dpkg -i validity-sensor-setup_4.5-119_amd64.deb

Now the broken links part. Here are the links that should work:

sudo apt install libssl1.0.0
ln -s /lib/x86_64-linux-gnu/libssl.so.1.0.0 /lib/x86_64-linux-gnu/libssl.so.0.9.8
sudo apt-get install libcrypto++-dev
ln -s /usr/lib/libcrypto++.so.9 /usr/lib/libcrypto.so.0.9.8

Then just proceed. Install libfprint

mkdir libfprint
cd libfprint
rpm2cpio ../libfprint-0.0.6-18.20.1.src.rpm | cpio -i --make-directories
tar xf libfprint-0.0.6.tar.bz2
cp ../libfprint-validity.patch ./libfprint-validity.patch
cd libfprint-0.0.6/
patch -p1 < ../libfprint-validity.patch
sudo apt-get install libusb-dev libcrypto++-dev libssl-dev libglib2.0-dev libmagickcore-dev checkinstall
./configure --prefix=/usr
make
sudo checkinstall -install=no make install
sudo dpkg -i libfprint_0.0.6-1_amd64.deb

Install fprint_demo

cd ../..
sudo apt-get install libgtk2.0-dev
tar xf fprint_demo-0.4.tar.bz2
cd fprint_demo-0.4
./configure --prefix=/usr
make
sudo checkinstall -install=no make install
sudo dpkg -i fprint-demo_0.4-1_amd64.deb

At this point, we can start to register our fingers.

sudo /etc/init.d/vcsFPServiceDaemon start
sudo fprint_demo

...after you enroll your finger you can train in the "identify" tab. It'll display your fingerprint! It's so much fun :D sometimes I just go there and keep swiping XD

And just a side-note, don't take screenshots of your finger and share it around unless of course, you know what you're doing. Your fingerprint is valuable. Better keep it for your eyes only.

...anyway, continue. Install pam_fprint

cd ..
tar xf pam_fprint-0.2.tar.bz2
cd pam_fprint-0.2/
sudo apt-get install libpam-dev
./configure --prefix=/usr
make
sudo checkinstall -install=no make install
sudo dpkg -i pam-fprint_0.2-1_amd64.deb

Now we can start setting up fingerprint authentication. I recommend you stop here because I've been using it for a while and there are several issues with it. So far your driver is working and that's fine. You can try it for authentication and revert it if you want, but it's not robust for daily use.

Anyway, we need to edit the /etc/pam.d/common-auth file. Be careful with this file!!. If you mess it up you'd have to fix it from recovery mode.

This would make ubuntu ask you for your fingerprint or your password to grant you root access and also for login. So you can still use your password to login

sudo nano /etc/pam.d/common-auth

We need to add the lines:

# fingerprint authentication through fprintd
auth    sufficient                      pam_fprint.so

and modify the line that has pam_unix.so nullok_secure try_first_pass to make it sufficient, like this:

auth    sufficient      pam_unix.so nullok_secure try_first_pass

So finally here's what my file looks like.

Note that the behavior will depend on where you'll place the lines. If you place them above (the "Primary" block) part it'll first ask you for your fingerprint, then your password and vice-versa.

I hope someone can clarify or give a good pointer about how this file exactly works.

Finally...

cd ..
sudo cp vcsFPServiceDaemon /etc/init.d/
sudo update-rc.d vcsFPServiceDaemon defaults

and things should be working.

Best Answer

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Ubuntu – VFS 495 finger print reader not working in Ubuntu

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