I recently had an issue changing mac address on my MacBook Air. Here’s how to change mac address to a random one keeping first three digits (otherwise it won’t work). tl;dr: $ networksetup -getmacaddress en0 | awk ‘//{“openssl rand -hex 3” | getline mac; sub(“(:..){3}$”, mac, $3); print $3}’ | sed ‘s/://g; s/\(..\)/:\1/g; s/^://’ | […]
If you want to generate Let’s Encrypt SSL certificates for HTTPS communication for your Apache HTTP Server running as Docker container, just follow these steps.
I recently had to help a friend of mine rescuing some data from her MacBook’s hard drive. Upgrading macOS from Yosemite to Sierra failed and her last TimeMachine backup was a month ago – still better than mine a year ago… Here’s what we’ve done to save her data from MacBook’s internal to an external […]
HTTPS finally spreads around the web and is getting more and more the de facto standard for websites. A few months ago Mozilla released its tool Observatory for testing website security level. It rates in form of grades from A+ (best) to F (worst). Following you’d see how to reach an A+ on your website […]
Interested in a fancy blog like this one? Just follow this guide and you’ll get an awesome lookalike! Okay, maybe it’s just a reminder for myself what I’ve got to do when I’ve finally broken my WordPress installation
Follow this instruction if you want to use an Ubuntu server as macOS TimeMachine backup volume.