Friday, January 13, 2017

SSL certification of you web site

This will create a certification file and send to free certification authority "" sponsored by linux foundation.

Following are for apache deployment on Ubuntu compatible.
For other configurations visit

sudo apt-get install python-letsencrypt-apache
sudo letsencrypt --apache

Tuesday, June 10, 2014

Code coverity using GCC gcov

Create a cpp source file with main function and name it main.cpp

Build source with gcov enabled
g++ -Wall -fprofile-arcs -ftest-coverage main.cpp
                It will generate main.gcno file
Run binary
                It will generate main.gcda file
Run gcov for the source file
                gcov main.cpp
                it will generate main.cpp.gcov file
Open main.cpp.gcov and analyse ##### lines for un tested code lines.

Monday, April 21, 2014

Ubuntu Quick configuration script for easy customization

echo "alias ?='ls -ltr'" >> ~/.bashrc
echo "alias .='ls -pwd'" >> ~/.bashrc
gsettings set org.gnome.desktop.wm.preferences button-layout ':minimize,maximize,close'
xbacklight -set 10 
wget -q -O - | bash
gsettings set com.canonical.desktop.interface scrollbar-mode normal