参考http://stackoverflow.com/questions/22934080/how-to-downgrade-to-perl-5-10-1 Perlbrew will allow you to install multiple versions of Perl as user installed Perls. 安装perlbrew apt-get install perlbrew To install a particular version of Perl: perlbrew
setenv PERL /opt/perl5 --设置新perl的起始安装路径 curl -kL http://install.perlbrew.pl | bash source /opt/perl5/perlbrew/etc/bashrc perlbrew init perlbrew root (/opt/perl5/perlbrew) is initialized. Append the following piece of code to the end of your ~/.bash_p
# To get the very latest version of git, you need to add the PPA (Personal Package Archive) from the Ubuntu Git Maintainers Team to your Software Source list. Do that with the add-apt-repository command to add the PPA: sudo add-apt-repository ppa:git