Due to I switch back from Windows to Ubuntu. The most important program for me is " Skype ". After I download installation from Skype official website it seems there is no problem at all I am able to installed in by Ubuntu Software Center. The problem was occurring after I launch Skype and close the main window opens I expect it will be closed and shown the icon on notification panel area. But there is no icon on notification area then I launch Skype application again the windows instance comes up thus I try to log in again, suddenly I get an error message about another instance was already running. After I search on google a bit I found that Ubuntu 13.04 was removed system tray whitelist feature from its unity. so I found this website to re-enable the whitelist by below instruction. sudo add-apt-repository ppa:timekiller/unity-systrayfix sudo apt-get update sudo apt-get upgrade After finished installation I do the following steps to add Skype to notification whitelis...
Nerd, Digital Nomad, Experiences sharing