노을지기 노리터

Network Tools 

설치 해 봐할 툴... 

출처: http://www.ciokorea.com/slideshow/22430?slide=1#stage_slide 

하나씩 설치하면서 사용법을 정리해야겠다.

1. 캑티(Cacti)
2. 나기오스(Nagios)
3. 이싱가(Icinga)
4. 네디(NeDi)
   
5. 옵저비움(Observium)
6. 자빅스(Zabbix)
7. 니톱(Nitop)

* New Relic

http://newrelic.com/application-monitoring/features

255.255.255.0             =        11111111.11111111.11111111.00000000        24비트
255.255.255.128         =        11111111.11111111.11111111.10000000        25비트
255.255.255.192         =        11111111.11111111.11111111.11000000        26비트
255.255.255.224         =        11111111.11111111.11111111.11100000        27비트
255.255.255.240         =        11111111.11111111.11111111.11110000        28비트
255.255.255.248         =        11111111.11111111.11111111.11111000        29비트
255.255.255.252         =        11111111.11111111.11111111.11111100        30비트
255.255.255.254         =        11111111.11111111.11111111.11111110        31비트
255.255.255.255         =        11111111.11111111.11111111.11111111        32비트

호스트수         Netmask             Bitmask
254                 255.255.255.0            24
128                 255.255.255.128         25
64                  255.255.255.192         26
32                  255.255.255.224         27
16                  255.255.255.240         28
8                    255.255.255.248         29
4                   255.255.255.252         30
2                   255.255.255.254         31
1                   255.255.255.255         32