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This post is below to "Postfix configuration" and here we "rewrite the from address" of all outgoing emails  How to send no-reply@ email from postfix  Send email with no-reply  How to send email from postfix with noreply / no-reply  chang…

AllBash ScriptsLinux

Lokesh Carpenter

grep all http urls - grep url from file - grep url regex Scenario I have one sitemap.xml file that is too big and in this sitemap.xml file have http/https url something like this I need all those url for submitting for review and approval by indexnow tools Ch…

AllBash Scriptscommand

Lokesh Carpenter

Unable to connect to the server: dial tcp 127.0.0.1:61259: connectex: No connection could be made because the target machine actively refused it.  kubectl error: Unable to connect to the server Issue: When I'm running the kubectl commands its showing an a…

AllDockerkubernetes

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Getting Error: kubernetes cluster  StartHost failed, but will try again: creating host: create: creating: prepare kic ssh: unable to execute icacls to set permissions: : exit status 1 Scenario:  We are preparing a development environment on local laptop or co…

AllDockerkubernetes

Lokesh Carpenter

Im Getting 100% disk usage even when the PC is idle? This tutorial will guide you to fix 100% disk usage in Windows 11/10 I have two disk in my laptop, one is SSD and second is HDD, I have installed OS in SSD and using HDD for storing a Data. Fix 100% Disk Us…

Allwindows

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Understanding the Basics of Linux Filesystem: A Step-by-Step Demo Introduction Understanding the Linux Filesystem Hierarchy Filesystem Navigation in Linux Managing Files and Directories in Linux Important Filesystem Concepts in Linux Conclusion Introduction L…

AllLinuxLinux Basic

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What is kernel?  Type of kernel and kernel responsibility  What is kernel & Kernel Responsibility ?  Kernel  A kernel is the heart or central part of any operating system and  it’s a responsible to manage all the resources of the computer like hardware &a…

AllLinuxLinux Basic

Linuxtopic