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