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Protected: Notes on Electronic Security

Submitted by Igor on February 7, 2006 – 12:05 pm 2 Comments

Commands & Shells »

Plundering Facebook Photo Albums

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Let’s imagine you need to download all the photos in a Facebook photo album. It can be a public album, a friend’s, or even your own. Sure, you can do this manually, but you probably …

Scraping a Web Page in Bash

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Just a scripting exercise because I need to do something important, but I am procrastinating. The idea is simple: grab some URL with text containing somewhat structured data and convert it into a spreadsheet. I …

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Applications »

Processing Videos with ffmpeg and Lightroom

On occasion I wondered how to apply advanced photo filters to my lackluster GoPro and drone videos. You know, not the basic exposure/contrast/saturation or the cheesy special effects you find in video editors, but something …

Searching Twitter

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Here are just a few hopefully useful tips for searching Twitter to get more relevant results and buy cheap twitter followers.

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Data »

Scraping a Web Page in Bash

clfud46mxf2t5zph2l04zlpgl1d[1]

Just a scripting exercise because I need to do something important, but I am procrastinating. The idea is simple: grab some URL with text containing somewhat structured data and convert it into a spreadsheet. I …

Generating Random Text Files for Testing

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Sometimes you need dummy folder structures populated with random data for testing your various scripts and processes – backups, file transfers, encryption, compression, etc. Every time I need something like this, I end up writing …

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Monitoring »

Finding Cron Jobs

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Cron is an indispensable tool for system administration. The difficulties in working with cron in a large environment stem from its decentralized nature. Cron jobs multiply like rabbits, and keeping track of them is not …

Understanding Memory Utilization in Linux

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This is a depressing – and all-too-common – scenario: a user runs the free command and opens a support case because he sees zero “free” memory on the server.

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Networking »

Validating HTTPS Cache Peers for Squid

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I have a squid proxy server that uses a long list of authenticated cache peers in a round-robin configuration. The process looks something like this:

Verifying SNMP Connectivity on Multiple Hosts

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I needed to check if SNMP was accessible on whatever live servers that existed in a particular subnet. Here’s a quick script to do this.

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