====== Программы для анализа ======

  * aescrypt:
  - Encrypt
  - http://www.aescrypt.com/

  * atop:
  - Monitor processes

  * dstat:
  - Monitor processes
  - dstat --tcp

  * free:
  - Monitor memory
  - free -m

  * htop:
  - Monitor processes

  * ifconfig:
  - Monitor network
  - sudo ifconfig -a

  * ifdata:
  - Monitor network:
  - Part of moreutils
  - http://kitenet.net/~joey/code/moreutils/

  * iftop:
  - Monitor network

  * iotop:
  - Monitor I/O

  * ip:
  - Monitor network

  * iptables:
  - Filewall
  - Cheat sheet: http://blog.oddeven.info/iptables-cheat-sheet/

  * lsof:
  - List open files, including sockets
  - Output FD is File Descriptor
  - 4 is IPv4
  - lsof -i 4 -a
  - lsof -i 4:80

  * memstat:
  - Monitor memory
  - memstat -w -p $pid

  * Munin:
  - Monitor network
  - http://munin-monitoring.org/

  * Netdisco:
  - Monitor network
  - http://www.netdisco.org/

  * netstat:
  - Monitor processes
  - netstat -tupln is best
  - htop
  - netstat --tcp --udp --listening --program -nat
  - netstat -a --tcp

  * nmap:
  - Monitor processes
  - nmap 127.0.0.1

  * ntop etc:
  - Monitor network
  - http://www.ntop.org/
  - nBox
  - nProbe
  - ntop
  - n2n
  - PF_RING
  - vPF_RING

  * ps:
  - Monitor processes
  - ps -ef | grep $a_name
  - ps auwx
  I.e. don't use - to prefix auwx if piping into grep, since it produces a warning msg.

  * pstree:
  - Monitor processes
  - pstree $pid

  * socat:
  - Monitor network

  * strace:
  - Monitor system calls
  - strace -e trace=clone,execve -ff perldoc strict

  * stunnel:
  - Monitor network
  - http://www.stunnel.org/

  * vmstat:
  - Monitor memory
  - vmstat 1 20

  * vnstat:
  - Monitor network
  - http://humdi.net/vnstat/
  - vnstat

