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Tech IT Admin

Technical IT Support and Guide

Tech IT Admin

Tech IT Admin

Technical IT Support and Guide

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Month: February 2022

Networking

MPLS Multi Protocol Label Switching VPN Technology

  • chandanhri
  • Posted on February 16, 2022
  • No Comments

MPLS VPN is a technology that allows a Service Providers such as BSNL to have complete control over parameters that are critical to offering user service guarantees with regard to…

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Uncategorized

mathematica 11 mac os catalina issue fix

  • chandanhri
  • Posted on February 16, 2022
  • No Comments

Apple imac Catalina OS issue fix it..   Apple has latest macOS Catalina 10.15, and most of users would like to install the newest macOS on their Mac desktop Laptop. some…

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Linux Cent OS

fix unable to lock the administration directory (/var/lib/dpkg/) is another process using it

  • chandanhri
  • Posted on February 16, 2022
  • No Comments

How to”Fix” unable to lock the administration directory (/var/lib/dpkg/) is another process using it on Ubuntu  If you are facing this kind of error “unable to lock the administration directory…

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Linux Cent OS

change bash 40.1 command line arguments parsing Linux

  • chandanhri
  • Posted on February 16, 2022
  • No Comments

Linux Shell Login Showing bash-4.1 command line, How do i change bash-4.1# to user@hostname ? How do i change bash-4.1# to user@hostname when login on linux PC Desktop Server If…

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Uncategorized

javac is not recognized as an internal or external command

  • chandanhri
  • Posted on February 12, 2022
  • No Comments

What is javac command used for ? On windows OS ‘javac’ command reads source files that contain module, package and type declarations written in the java programming language, and compiles them…

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HPC

High Performance Computing Job Scheduler

  • chandanhri
  • Posted on February 9, 2022
  • No Comments

In ‘High performance computer (HPC)’ resource environment master nodes is responsible to receive computational jobs submitted by users and transfer it to any FREE state compute nodes, How HPC knows which…

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Linux Cent OS

DHCP server installation on Linux cent OS

  • chandanhri
  • Posted on February 6, 2022
  • No Comments

The DHCP (Dynamic Host Configuration Protocol) is a network protocol works on “Application layer” on OSI Model. DHCP use to assign an IP (Internet Protocol) address to the clients and…

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Linux Cent OS

How to check open port scanner port number services 

  • chandanhri
  • Posted on February 6, 2022
  • No Comments

This post may help to detect open port & related number services  Detect open port and services running on server using ‘Nmap’ security scanner tool, available for windows, linux, iMac OS.…

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Networking

D-link-DES 1210 default ip Web based configure interface

  • chandanhri
  • Posted on February 6, 2022
  • No Comments

D-Link DES 1210 Switch configuration  Default ip of D-Link switch through the Web-based Management Utility.In order to login and configure the switch via an Ethernet connection, the PC must have…

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Networking

How to configure IP on extreme switch commands

  • chandanhri
  • Posted on February 6, 2022
  • No Comments

How to configure an IP address on extreme network switch. The management interface of an EXOS extreme switch Configure an IP address on the management interface of an EXOS switch. The management interface…

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