Category: Management

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How To Find And Change SSH Port Number?

ssh  is default protocol used to manage remote systems which are mainly Linux and Network Devices. As it is working over network connection and uses TCP it has a default port number which is 22  . In this tutorial we will look how to change the default port number from...

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How to Find Detailed Domain Information with whois Command?

whois  very popular and useful tool used to list and find domain information. We generally know that domain and sub domains are resolved to the IP address and our browser redirects to this IP address. But the actual story is not just this. Domain names have a lot of attributes...

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What Is Nagios?

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...

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How To Setup FortiOS or FortiGate For The First Time By Setting Static IP For The Management Port?

FortiGate is successful Next Generation Firewall which provides a lot of features for to day needs. The Forti family have products from WAN optimizer to APT sandbox. In this tutorial we will look how to setup FortiGate or FortiOS for the first time. We assume we have all ready downloaded...

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How To Install and Use Linux Minicom Command Tutorial with Examples?

minicom  is little command line based tool used to connect serial lines. In a more pragmatic definition minicom can be used to connect modems, routers and switch console ports via serial port. Minicom is very similar features and user interface to the TELIX. Install For Debian, Ubuntu, Kali, Mint We...

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How To Login To Linux with Passwordless via SSH with Key Based Authentication?

Ssh provides secure remote connections to the remote systems. It is defacto protocol used to manage Linux and networking systems remotely via command line. Ssh provides a lot of extra features which makes it useful for different purposes. For example we can copy files to remote and local system via...

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Snmpwalk Command Line Examples

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...

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How To Install and Setup SNMP Service or Daemon For Linux

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...

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How To Download, Install Packet Tracer Into Windows?

Cisco Provides different level of certifications for its products and general network topics. We have all ready examined CCNA certifications in the following tutorial. What is CCNA or Cisco Certified Network Associate? Cisco certification exams mostly depends on practical experience. So a person who want to get certified needs practical...

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