CentOS tcpdump 설치

1 확인

[root@zetawiki ~]# rpm -qa | grep tcpdump
[root@zetawiki ~]# tcpdump --help
-bash: tcpdump: command not found

2 설치

[root@zetawiki ~]# yum install tcpdump 
... (생략)
===========================================================================================
 Package        Arch          Version                                    Repository   Size
===========================================================================================
Installing:
 tcpdump        x86_64        14:4.0.0-3.20090921gitdf3cb4.2.el6         base        336 k

Transaction Summary
===========================================================================================
Install       1 Package(s)

Total download size: 336 k
Installed size: 813 k
Is this ok [y/N]: y

... (생략)
Installed:
  tcpdump.x86_64 14:4.0.0-3.20090921gitdf3cb4.2.el6                                        

Complete!

3 확인 2

[root@zetawiki ~]# rpm -qa | grep tcpdump
tcpdump-4.0.0-3.20090921gitdf3cb4.2.el6.x86_64

[root@zetawiki ~]# tcpdump --help
tcpdump version 4.1-PRE-CVS_2012_03_26
libpcap version 1.0.0
Usage: tcpdump [-aAdDefIKlLnNOpqRStuUvxX] [ -B size ] [ -c count ]
		[ -C file_size ] [ -E algo:secret ] [ -F file ] [ -G seconds ]
		[ -i interface ] [ -M secret ] [ -r file ]
		[ -s snaplen ] [ -T type ] [ -w file ] [ -W filecount ]
		[ -y datalinktype ] [ -z command ] [ -Z user ]
		[ expression ]

4 같이 보기

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