How to set up a VPN server on Ubuntu

Install PoPToP Point to Point Tunneling Server:

Edit /etc/pptpd.conf file:

Uncomment the following lines (replace IP range if you like)

Save and exit.

Edit /etc/ppp/pptpd-options file

Make sure you have this:

Save and exit.

Next step is to add users who can use this connection.

The file […] Continue Reading…

Ctrl+Alt+Del to open System Monitor in Ubuntu

If you want to enable Ctrl+Alt+Del to open System Monitor you have to do this:

Go to System->Preferences->Keyboard Shortcuts and search for “Logout” action (that is under Desktop actions) and you will see that Ctrl+Alt+Del combination is associated to Logout […] Continue Reading…

UUID issue with new hard-drive

I just added a new hard-drive to my system. I created an ext3 partition and used vol_id and blkid to show the UUID. Based on that information, I edited the /etc/fstab file accordingly. When I try the sudo mount […] Continue Reading…

Install Nodoka (Fedora theme) on Ubuntu (II)

I was explaining here how to install Nodoka theme on Ubuntu.
Or you can use this small script I made to automate this.

PS: You need to have libsexy-dev installed. If not, just run this command in your terminal:

I hope you’ll […] Continue Reading…

Change the number of comments per page in admin interface of wordpress

Let’s have this situation:

You need to make a backup of your blog, you have access only in the admin interface of wordpress and you have 3000+ comments containing spam in the ‘awaiting moderation’ state. Do you spend your day […] Continue Reading…

Howto Change Ubuntu Forced fsck

In Ubuntu the boot hard disk is checked every 20 boots. I have to boot my laptop quite often, so about once a week booting takes more than 10 minutes. This clearly sucks. Fortunately, there is an easy way […] Continue Reading…

Install Flash in Songbird

If you have installed Songbird by hand, automatic instalation of flash will not work. Here’s a quick fix.

Under Windows:
Open Songbird and paste http://fpdownload.macromedia.com/get/flashplayer/xpi/current/flashplayer-win.xpi in the location bar at the top of the library or browser. Follow the installation process.

Under […] Continue Reading…

Cold Boot Attacks on Encryption Keys

Some guys at Princeton University published the results of their attacks on popular disk encryption systems (BitLocker, FileVault, dm-crypt, and TrueCrypt) using no special devices or materials.
Find out more about their research here and here.

Ubuntu Forums Menu

Just found about this add-on: Ubuntu Forums Menu.
The extension adds additional navigation menu for Ubuntu Forums via main-menu and context to Firefox.
Get it from here.

No virtualbox kernel driver after kernel upgrade

After kernel upgrade, your VirtualBox modules will not be updated.
As a result, your virtual machines will not work.
Here is a quick fix. Run this in your terminal: