Skip to main content

Posts

Showing posts from October, 2025

Issue while pasting from the Windows clipboard into a PuTTY vi or vim terminal

  Pasting from the Windows clipboard into a PuTTY  vi  or  vim  terminal can sometimes be problematic, particularly with newer  vim  versions that have mouse mode enabled by default.  This can lead to unintended visual mode activation or incorrect pasting. Here are the primary methods to paste from the clipboard into a PuTTY  vi / vim session: Shift + Right-Click:   Shift + Insert:   Middle Mouse Button (Wheel Click):   Disable  vim  Mouse Mode (if applicable):  vim  Paste Mode:  Note: Ensure  vi  or  vim  is in insert mode (by pressing  i ) before attempting to paste if you want the content to be inserted directly into the file.  Otherwise, pasting might be interpreted as  vim  commands. For larger pastes,  vim 's paste mode can be helpful.  Enter insert mode in  vim , then type  :set paste  and press  Enter .  Paste your conten...

What caused the AWS outage that broke the internet on Oct 21st 2025

AWS outage 2025 : More than 1,000 services were impacted by the outage, including popular platforms like WhatsApp , Snapchat and Reddit , which rely on AWS services, along with financial institutions like the British government’s tax services and entertainment services In India, the impact of the outage was most pronounced in the aviation sector, with hundreds of flights delayed and several cancelled as airline operators found their systems inoperational and had to switch to manual processes. At least ten banks and NBFCs had “minor disruptions”, which have either been resolved or are being resolved, the Reserve Bank of India said at the time. Here is a technical explanation for the AWS Outage due to a DNS failure . AWS's own internal control plane is built on top of DynamoDB . It's a hidden dependency. When AWS's internal services couldn't find the IP for DynamoDB, the entire management layer collapsed. Stage 1: DNS Fails. The internal DNS servers for dynamodb.us-eas...

How to show hidden folders in Mac OS in Finder

  To show hidden files and folders on a Mac,  open Finder and press the Command (⌘) + Shift + Period (.) keys simultaneously .  The hidden files will appear with a faded or semi-transparent look.  To hide them again, press the same keyboard shortcut.   Using the Keyboard Shortcut Open any Finder window.   Navigate to the folder where you want to view hidden files, such as your Macintosh HD folder.   Press and hold the Command, Shift, and Period keys all at the same time.   Hidden files and folders will appear.   To hide them again, repeat the same key combination.   Using Terminal (Alternative Method) Open Terminal by searching for it in Spotlight (magnifying glass icon).   Enter the following command and press Return:  defaults write com.apple.finder AppleShowAllFiles YES .   Hold down the Option key, right-click the Finder icon in the Dock, and select Relaunch to apply the changes.   To hide all files again, you can...