How to install Adobe Acrobat Reader in Ubuntu 9.10 (Karmic Koala)

Ubuntu by default comes with a document viewer which is capable of opening PDF files. However sometimes you may find that it doesn’t support some of the newer PDF files. If that happens you need to install latest Adobe Acrobat Reader which is freely available.

The only problem with Adobe reader is that it is a huge download at over 40MB and it requires about 150MB free space in your system!

How to install Adobe reader in Ubuntu 9.10?

Download Adobe reader from the official download page. This page redirects you to a page where you can download a file with extension .bin designed for linux systems. Copy this file to a folder of your choice.

Open a terminal window (Applications –> Accessories –> Terminal) and then navigate to the directory where the bin file is stored. In my case the name of the bin file is AdbeRdr9.2-1_i486linux_enu.bin. I have the file in /home/jayson/Downloads.

cd /home/jayson/Downloads

Change the permission of the bin file so that it can be executed.

chmod +x AdbeRdr9.2-1_i486linux_enu.bin

Now run the Adobe installer with admin privileges.

sudo ./AdbeRdr9.2-1_i486linux_enu.bin

This will start the installation. During installation it will ask for the installation directory. The default is /opt. Just press enter if you are ok with this folder. The following messages appear on the screen. If all goes well Adobe reader is installed on your Ubuntu system.

jayson@jjc:~/Downloads$ sudo ./AdbeRdr9.2-1_i486linux_enu.bin
[sudo] password for jayson:

Extracting files, please wait. (This may take a while depending on the configuration of your machine)

This installation requires 145 MB of free disk space.

Enter installation directory for Adobe Reader 9.2 [/opt]

Installing platform independent files … Done
Installing platform dependent files … Done
Setting up libraries … Done
Setting up desktop and menu icons … Done
Setting up the browser plugin … Done


You can start Adobe reader from the Applications –> Office –> Adobe Reader 9 menu. Right click on the menu and click on “Add this launcher to panel” if you want this menu to appear on the top panel for easy access.

Installing Adobe Reader on Ubuntu 9.10 - configuring on panel

What is the exe process in Ubuntu and why it is slowing things down?

If you recently downloaded Google Chrome, you might be in some for some surprises. The problem is that Google Chrome is not even beta for Linux systems. What you have downloaded is an early developer preview of Chrome and you should be ready to deal with problems.

From a UI perspective, Google Chrome is much better than Firefox. That is the main reason why I switched to experimental version of Chrome. But soon I realized the pitfalls.

Sometimes Chrome browser is very slow in Ubuntu. Why?

This bug mainly seems to crop up after you run a flash movie (YouTube video for example) in Chrome. Once you start a flash movie you can see that the top CPU intensive process is exe.  As you can see from the image below, the exe process can take almost all CPU power when flash movie is playing. Initially I thought that the running exe process was started by the wine emulator. It turns out that wine has nothing to do with the exe process.

What is exe process in Ubuntu?

To make matters worse, even after you close the Webpage containing flash movie, exe continues to run in background slowing things a lot. That is when you notice that even browser scrolling is too slow! The only way out is to close Google Chrome and then start it again.

If you kill the exe process, the running flash movie will terminate with an error – The following plug-in has crashed: /usr/lib/adobe-flashplugin/

This issue was noticed in Ubuntu 9.10. I am not sure whether this exists in Ubuntu 8.04LTS.

Enabling Logitech USB headset (ClearChat Pro) in Ubuntu 9.10

I have been using Logitech USB headset in Windows XP for sometime. When I switched to Ubuntu 9.10, I plugged it in and to my horror, it was not recognized by the sound system. I own Logitech ClearChat pro USB device which is a very good headset with built in sound card. It offers crystal clear audio quality and it is one of the best headsets for Skype calls. Click here for more details on Logitech ClearChat Pro. This is very handy if for some reason your laptop’s onboard sound had failed.

Enabling Logitech USB headset on Ubuntu 9.10

Plug-in your USB headset. Then click on System –> Preferences –> Sound. Click on the hardware tab to see whether your USB headset is recognized by Ubuntu sound system.


In my case, Ubuntu failed to add the device to the sound system as can be seen below. Only the internal audio device is detected.


Then I checked the dmesg output to see whether Logitech USB headset is recognized by Ubuntu.

sudo dmesg

The following output indicates that Ubuntu did identify the device correctly.

[ 2340.536015] usb 5-1: new full speed USB device using uhci_hcd and address 6
[ 2340.745786] usb 5-1: configuration #1 chosen from 1 choice
[ 2340.822774] input: Logitech Logitech USB Headset as /devices/pci0000:00/0000:00:1a.2/usb5/5-1/5-1:1.3/input/input16
[ 2340.822853] generic-usb 0003:046D:0A0B.0007: input,hidraw5: USB HID v1.00 Device [Logitech Logitech USB Headset] on usb-0000:00:1a.2-1/input3

Then I realized that no drivers where loaded by Ubuntu. All you needed to do was to manually load the USB sound driver.

sudo modprobe snd-usb-audio

And voila! Logitech USB headset is now recognized by Ubuntu 9.10 sound system.


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