Category: Tools & Tips

Convert (Split) PDF Files into Images with ImageMagick and GhostScript

Split PDF

ImageMagick is an excellent open source set of software tools that helps with converting, editing, displaying and composing image files. Almost all programming languages have extensions or libraries to interact with the ImageMagick API, although you could also use it via command line.

Ghostscript is a set of tools that can interpret PostScript page description language and PDF files too, to render or rasterize them.

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Manipulate and Extract/Burst PDF Files Into Images, Text and Other Components with Docsplit

Docsplit is a command line utility written in Ruby (can be used as a Ruby library too) that can be used for splitting apart documents like PDF (Portable Document Format) into their components like plain text, single pages, page images, metadata (title, author, etc.).

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Basic Steps Taken to Diagnose and Fix a Compromised or Heavy Resource Consuming Server

Recently one of my servers most probably got hacked (compromised). As I logged into my linode manager it said 200% bandwidth usage and it was growing at about 1gb per 1-2 mins (checked with iftop). So I opened a support ticket and asked a couple of linode fellows for help.

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Binary and Red Black Search Tree Implementation in JavaScript

Binary Tree

I’m not going to dive deep into what Binary Search Tree is because this tutorial and Wikipedia does an excellent job at that. Instead I’ll mostly dicuss about a neat JS implementation that I came across recently, usable on the server side with Node.js and client-side as well.

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