Nagios is an open source system, network, application monitoring system. Nagios is designed to be run on Linux operating system or distributions like Ubuntu, Debian, CentOS etc. Architecture and Components Nagios is not a single component to run. Nagios is actually a suite which provides following components. Nagios IX Nagios IX is the core of the Nagios suite where it providing core monitoring features. Nagios IX can monitor IT infrastructure...
SNMP protocol provides useful features to monitor and configure network and server systems remotely. Monitoring features are much popular than configuration. snmpwalk is a function provided by SNMP protocol to get metrics of remote system in bulk. Get All OIDS We will first look the simplest usage of the snmpwalk command. We just provide minimum options to the snmpwalk. We will provide following options as minimum -v 2c version information...
Today we will look SNMP in Linux operating systems. Simple network management protocol named SNMP is designed for getting info and setting configuration in it entities. These entities may be switch, router, PC, cabinet, printer etc. SNMP was very popular in 2000s. today it is popular too but used for information gathering. Especially monitoring which will be examined later is made today with snmp. Snmp has an index database which...
Nmap tool provides popular ports list as a database where this list is also used in network and service scans. Here is the list but before we will look the command which will list ports according to the popularity. Nmap Top Ports Listing We can use sort command in order to list ports according to their usage frequency. The nmap port or service database located at /usr/share/nmap/nmap-services . We provide -k3 which specifies...
Nmap is very useful tool. I is used by penetration testers mainly but from operation perspective it is used by system administrators too. Nmap have a lot of different features. Mac related feature can be used to get mac addressees of the hosts in the same network segment. I can be used to get remote systems mac addresses but snmp should be enabled in remote systems. Get Mac Address Of...
Today we will look SNMP in Linux operating systems. Simple network management protocol named snmp is designed for getting info and setting configuration in it entities. These entities may be switch, router, pc, cabinet, printer etc. Snmp was very popular in 2000s. today it is popular too but used for information gathering. Especially monitoring which will be examined later is made today with snmp. Snmp has an index database which...
