apt-cache search xmllint sudo apt-get install libxml2-utils

■hash sumが一致しないエラー W:Failed to fetch gzip:/var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_natty_main_source_ Sources Hash Sum mismatch■解決方法 sudo apt-get clean cd /var/lib/apt sudo mv lists lists.old sudo mkdir -p li…