Сколько процессов Nginx должно быть?

### pars for fun: install | remove | rollback
function apt-history(){

      case "$1" in
        install)
              grep 'install ' /var/log/dpkg.log
              ;;
        upgrade|remove)
              grep $1 /var/log/dpkg.log
              ;;
        rollback)
              grep upgrade /var/log/dpkg.log | \
                  grep "$2" -A10000000 | \
                  grep "$3" -B10000000 | \
                  awk '{print $4"="$5}'
              ;;
        *)
              cat /var/log/dpkg.log
              ;;
      esac
}

kreso@h17:~$ apt-history install
2013-08-06 14:42:36 install gir1.2-nautilus-3.0:amd64 <none> 1:3.8.2-0ubuntu1~ubuntu13.04.1
2013-08-06 14:42:36 install python-nautilus:amd64 <none> 1.1-3ubuntu1
2013-08-06 14:42:37 install insync-nautilus:all <none> 1.0.20
2013-08-07 14:41:37 install powertop:amd64 <none> 2.1-0ubuntu1
2013-08-07 18:44:10 install libdiscid0:amd64 <none> 0.2.2-3build1
2013-08-07 18:44:11 install sound-juicer:amd64 <none> 3.5.0-0ubuntu1