tar \
  --exclude='html/sites' \
  -czvf ~/html-backup-$(date +%F-%H%M).tar.gz \
  -C /var/www html

tar \
  --exclude='html/sites' \
  -czvf ~/html-backup-$(date +%F-%H%M).tar.gz \
  -C /var/www html

tar -xzvf $(ls -t ~/html-backup-*.tar.gz | head -1) -C /var/www

tar -xzvf $(ls -t ~/html-backup-*.tar.gz | head -1) -C /var/www

ls -t *.tar.gz | head -1

ls -t *.tar.gz | head -1

ls -lt | head

ls -lt | head