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Technical IT Support and Guide

Tech IT Admin

Tech IT Admin

Technical IT Support and Guide

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Category: Linux Cent OS

HPC

unable to negotiate with port 22 no matching key exchange method found

  • chandanhri
  • Posted on September 22, 2022
  • No Comments

SOLVED !!! Unable to negotiate with 192.168.1.100 port 22: no matching host key type found. Their offer: ssh-rsa,ssh-dss If you are facing such issue during ssh login on Linux remote…

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HPC

can’t locate compress/zlib.pm in @inc resolved!!

  • chandanhri
  • Posted on July 13, 2022
  • No Comments

If you are getting error while running MadGraph stopped working – zlib Module not found – Suddenly, “can’t locate compress/zlib.pm“. INFO: Merging LHE files Can’t locate Compress/Zlib.pm in @INC (@INC…

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Linux Cent OS

Warning in libraries sql.lib.php 613 count Parameter must be an array or an object that implements Countable solved

  • chandanhri
  • Posted on May 14, 2022
  • No Comments

phpmyadmin – count(): Parameter must be an array or an object that implements Countable error Just go to  /usr/share/phpmyadmin/libraries/sql.lib.php  On the line no. 613 the count function always evaluates to true since…

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Linux Cent OS

ubuntu change hotspot name and password

  • chandanhri
  • Posted on May 14, 2022
  • No Comments

Easy way to find ubuntu hotspot name and password SSID mac-address Linux Ubuntu has inbuilt feature of Wi-Fi hotspot service which we can just activate using Network Manager. When we…

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Linux Cent OS

do_ypcall: clnt_call: RPC: Unable to receive; errno = Connection refused

  • chandanhri
  • Posted on May 4, 2022
  • No Comments

do_ypcall clnt_call rpc unable to receive, connection refused error occurs when due to some malfunctioning of network information service (NIS). It happens sometime when you you are trying to make…

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Linux Cent OS

install anaconda python on centos 7

  • chandanhri
  • Posted on April 18, 2022
  • No Comments

Steps to install anaconda python on Linux centos 7 Anaconda package used mostly frequently for the purpose of data science, scientific research. It helps to manages scientific libraries and dependencies…

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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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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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Recent Posts

  • ubuntu remove snap package command line
  • unable to negotiate with port 22 no matching key exchange method found
  • can’t locate compress/zlib.pm in @inc resolved!!
  • Failed! Error: SET PASSWORD has no significance for user ‘root’@’localhost’ authentication data MySQL server Error.
  • Warning in libraries sql.lib.php 613 count Parameter must be an array or an object that implements Countable solved

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