praveenkumar – Medium

praveenkumar

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YavarTechWorks

The regreSSHion Vulnerability: A Critical Security Risk in OpenSSH

The Qualys Threat Research Unit (TRU) has uncovered a severe Remote Unauthenticated Code Execution (RCE) vulnerability in OpenSSH’s server…

Jul 5

The regreSSHion Vulnerability: A Critical Security Risk in OpenSSH

Jul 5

praveenkumar
in
YavarTechWorks

Understanding the Significance of Domain Names Resolving to 0.0.0.0 on Linux

Introduction:

May 10

Understanding the Significance of Domain Names Resolving to 0.0.0.0 on Linux

May 10

praveenkumar
in
YavarTechWorks

Understanding Dnsmasq: A Lightweight DNS Forwarder and DHCP Server

Dnsmasq is a versatile tool that serves as both a DNS forwarder and a DHCP server, offering a lightweight and easy-to-configure solution…

Apr 18

Understanding Dnsmasq: A Lightweight DNS Forwarder and DHCP Server

Apr 18

praveenkumar
in
YavarTechWorks

Understanding iptables: A Comprehensive Overview

iptables stands as a powerful utility within the Linux ecosystem, offering intricate capabilities for packet filtering and manipulation…

Mar 28

Understanding iptables: A Comprehensive Overview

Mar 28

praveenkumar
in
YavarTechWorks

Understanding Absolute and Relative Domain Names in DNS

In the Domain Name System (DNS), domain names can be specified with or without a trailing dot, which can affect how DNS resolvers interpret…

Feb 15

Understanding Absolute and Relative Domain Names in DNS

Feb 15

praveenkumar
in
YavarTechWorks

Troubleshooting : kernel driver not installed (rc=-1908) on Virtual Box

If you’ve encountered issues while setting up or running VirtualBox on your Ubuntu system, specifically related to the virtualbox-dkms…

Jan 19

Troubleshooting : kernel driver not installed (rc=-1908) on Virtual Box

Jan 19

praveenkumar
in
YavarTechWorks

Easy way to Get Hostnames(name of device) by IP address→#1.

Get the hostnames of device by using few method: “It may take more than one blog to explain my exploration on getting hostnames in our…

Jul 27, 2022

Easy way to Get Hostnames(name of device) by IP address→#1.

Jul 27, 2022

praveenkumar
in
YavarTechWorks

Forget password? Read this to reset…!!(Ubuntu)

Turn ON and Boot up your machine, Hold down the left Shift key and it leads you to prompted menu that looks something like this:

Jun 16, 2022

Forget password? Read this to reset…!!(Ubuntu)

Jun 16, 2022

praveenkumar

Best time to take a snap

Hello folks!!

Jan 5, 2022

Best time to take a snap

Jan 5, 2022

praveenkumar

praveenkumar

Proficient in Python automation for networking tasks, PoC deployment, Experienced in resolving network issues and contributing to feature development.

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