I get really annoyed at having to retype this exact same thing to install every tar.gz package, so I put it in a function

pk-install

function pk-install {
  url="$1"
  wget $url
  file_name=`echo $url | sed 's/^.*\/\(.*\)\.tar\.gz$/\1/'`
  tar -zxvf "$file_name.tar.gz"
  cd $file_name
  make && make install
}