Categories
Developer

School phishing email analysis

Big notice before we begin Before you start reading, please delete the email you have received. Do NOT click on the link. If you have clicked on the link contact IT support to have your password changed. Seems like people at our school really need a basic computer security training. But that’s OK, because for […]

Categories
Developer

School malware email analysis

Around 10:24 AM most of the students at our school received this email from our IT administrator: Dear fellow students, As you may already be aware, there is a scam email circulating around campus.  So be careful. This computer virus probably infected someone’s home computer (our school computer has anti-virus program installed and it can be […]

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China

List of Chinese apps for foreigners

This list will be continuously updated! Or, at least until I leave China. Android CAUTION – Before installing any of the APKs listed below, consider uploading them to VirusTotal to make sure nothing nasty has been done to the installers! 饿了么 (Èle me) – Direct APK link (open this on your Android phone)淘宝 (Táobǎo) – […]

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Developer

Flush any DNS cache

Windows Thanks Microsoft, for making this easy and consistent across all Windows versions! You only need to remember one command: That’s it. macOS In stark comparison, Apple decided to Think Different™ and make 20 different commands to flush the DNS cache. And there’s only one valid command in each macOS version. sigh Let’s get to […]

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Linux

Back up your WordPress site (manually)

TL;DR – don’t use automated solutions. Do it properly and do it manually Create a temporary directory to work in: Time to dump the MySQL database! It’s not that hard. Quick note before you run this – this is assuming your MySQL installation authenticates via UNIX sockets. If you have password authentication I suggest moving […]