sudo apt-get insatll python3 python3-dev ruby ruby-dev build-essential libz-dev git
Search package ---> apt-cache search <package_name>
libqt<latest_version>-dev-bin libqt<latest_version>-dev
Command : git clone <git_address>
git clone https://github.com/klayoutmatthias/klayout klayout
cd klayout
git checkout 0.26
$chmod u+x build.sh
-------------below command will take utpo 3hrs or less--------
$./build.sh
--------------change the permission of excecutable binary--------
$ chmod u+x bin-release/klayout
--------------In your Klayout directory-----------------------
$vim klayout
export PATH=$/.klayout/bin-release:$PATH
export LD_LIBRARY_PATH=$/.klayout/bin-release:$LD_LIBRARY_PATH
klayout -e
export PATH='"'$/.klayout:$PATH
$source .bashrc
Finish Installation