1. download smartgit linux version, try run ./smartgit.sh in the its bin folder
2. if it complains JRE version problem, run sudo apt-get install openjdk-7-jre
3. locate to your openjdk-7-jre path, see here
4. gedit ~/.smartgit/smartgit.vmoptions, add line: jre = path-to-your-openjdk
5. redo step 1
