0 {{postValue.vote_count}}

How To solve the issue during the installation of syspeek on linuxmint 18.03

Hi, I am trying to install the syspeek on linuxmint 18.03. and facing this issue during the installation

%%#add-apt-repository ppa:nilarimogard/webupd8%%  
Cannot add PPA: '"Error reading https://launchpad.net/api/1.0/~nilarimogard/+archive/webupd8: (6, 'Could not resolve host: launchpad.net')"'.

how to solve this?

{{forumCtrl.question_commentErr}}

Your Answer
{{forumCtrl.responseErr}}