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Escaping strings in Bash using !:q

creative internet computer display

This amazing Bash trick comes from Pascal Hirsch on Twitter. It goes like this: Enter a line of Bash starting with a # comment, then run !:q on the next line to see what that would be with proper Bash escaping applied. How does this work? James Coglan explains: The ! character begins a history expansion; !string produces the last […]

Windows server vulnerability.

WINDOWS SERVER VULNERABILITY REQUIRES IMMEDIATE ATTENTION.This has been posted on /r/sysadmin on Reddit: CVE-2020-1472 Netlogon Elevation of Privilege Vulnerability from sysadmin Twitter post explaining it: https://twitter.com/RyanLNewington/status/129344415164462694… Blog post explaining it: https://www.tenable.com/blog/cve-2020-1472-zerologon-vulnera… POC: https://infinitelogins.com/2020/09/15/abusing-cve-2020-1472-…

Docker: Remove all images

I’ve been using Docker a lot at work for development. This leads to a pile-up of images on the server. In order to clear them out I made this handy little script. This will remove all images even attached ones on your system. Be aware that running this on production […]

Android: Why this photo is bricking some phones

BBC News is reporting: Dozens of Android phone owners are reporting on social media that a picture featuring a lake, a cloudy sunset and a green shoreline is crashing their handsets when used as wallpaper. How could such a serene image cause a phone to crash? Basically, its too much […]

Zoom launches as screensaver in linux SOLUTION

This has been irking me for the past couple of days. I would come back to my laptop (Lubuntu) after a period of time away and I would find Zoom (the video meeting app) open. I use Zoom for work, so I just dismissed it as a screen that I […]

xkcd Password Generator

xkcd Password Generator

I had a conversation with my in-laws this past week we got into a conversation about their wifi password. Basically, they have an ATT router setup where the password is on the underside of the modem. This password is something like “7%b6c9m4k”. No one can ever remember it. The best […]

‘Siri, I’m getting pulled over’: A new shortcut for iPhones can automatically record the police

'Siri, I'm getting pulled over'

This is quite interesting and I’m pretty amazed it has taken so long for this to be created. (via businessinsider.com) tl;dr A big new feature for iPhones this year is Shortcuts, an app that lets you write scripts for the iPhone. One widely shared shortcut is called Police, which records […]

Why “blank” Gets You Root

Why Gets You Root

In case you haven’t heard the new there is a massive security flaw in macOS, which allows anybody to log into the root account with a blank password. The flaw was discovered by Lemi Orhan Ergin (@lemiorhan): Read the whole article

Key Reinstallation Attacks Breaking WPA2 by forcing nonce reuse

Key Reinstallation Attacks Breaking WPA2 by forcing nonce reuse

Researcher Mathy Vanhoef of imec-DistriNet hax found a critical flaw in the current WPA2 protocol. We discovered serious weaknesses in WPA2, a protocol that secures all modern protected Wi-Fi networks. An attacker within range of a victim can exploit these weaknesses using key reinstallation attacks (KRACKs). Concretely, attackers can use this novel attack technique to read information […]

massive Equifax Hack blowback

Equifax+Hacked

of course you can “check yourself” at their site A team of lawyers, including former Georgia Gov. Roy Barnes, has filed a class-action lawsuit against Equifax over the massive data breach that has compromised the personal information of more than 140 million U.S. consumers. The lawsuit filed in U.S. District […]