Red Hat NETSCAPE MANAGEMENT SYSTEM 6.0 - COMMAND-LINE Manuale Utente Scaricare il pdf (Pagina 9)

Boot Single-User Mode This is kind of like safe-mode in Windows – it skips a lot of startup files and

services:

1. Power on the box

2. At the boot screen for Grub, select the version you want to boot and

type e for edit

3. Select the line that starts with kernel and type e for edit

4. Go to the end of the line and type single

5. Hit [ENTER]

6. Now type b for boot

tcpdump Dump traffic with a specific host IP address to a file:

tcpdump –i interface –w dump_file_name host IP_address

example:

tcpdump –i eth1 –w dump host 208.159.105.98

Then read the file that was created:

tcpdump –r dump

tcpflow Download from http://dries.ulyssis.org/rpm/packages/tcpflow/info.html

tcpflow will capture and save to individual files actual data streams

Examples:

tcpflow –s

tcpflow –s port http

tcpflow –s port http or https or smtp or 3128

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Red Hat NETSCAPE MANAGEMENT SYSTEM 6.0 - COMMAND-LINE Manuale Utente Pagina 9