Collaborate Disseminate
in the documentation of Ubuntu ssh keys, I was surprised to read
"If your RSA key has a strong passphrase, it might take your attacker a few hours to guess by brute force.".
Really? A good pseudorandom passphrase with enough le… Continue reading How resiliant is a private key passphase to brute force attacks?
I have problems when I try to update Ubuntu 20.04 , when I run sudo apt update to update, I get this output:
sudo apt-get update Err:1 http://security.ubuntu.com/ubuntu focal-security InRelease Could not resolve ‘security.ubuntu.com’ Hit:2… Continue reading How should I solve Ubuntu 20.04 update errors? [migrated]
Here’s a question from the blog OMG Ubuntu. “Ever get miffed reading about a major new Ubuntu release only to learn it doesn’t come with the newest Linux kernel?
“Well, that’ll soon be a thing of the past.”
Canonical’s announced a big shift in kerne… Continue reading Ubuntu Will Start Shipping With the Latest Upstream Linux Kernel – Even Release Candidates
I am interested in understanding VPNs and being able to evaluate which commercial one to use.
I understand that using the wrong one is a big compromise and I am very skeptical that checking for books I find many that are not from reputable… Continue reading Beginner in VPN, how to pick a safe one?
My setup
I have a private server (Ubuntu 22.04.4) that I use as a test server for my web development code.
Every couple of weeks I update it (sudo apt update; sudo apt upgrade -y). I don’t usually pay attention to what got updated.
My ser… Continue reading Ubuntu upgrade changed my home directory permissions – malicious or mistake? [migrated]
BrianFagioli writes: Canonical has introduced a new service enabling the creation of custom distroless Docker images under its “Everything LTS” program. This initiative allows customers to include any open-source software in their Docker images, regard… Continue reading Canonical Expands Ubuntu Pro With Distroless Docker Image Service Offering 12-Year Support
I am performing experiment on trying to capture Bluetooth traffic from the fitness device to the Mobile App installed on the Phone.
I am using commands like gatttool, hciconfig, hcitool lescan to scan the Bluetooth device.
I am using Parro… Continue reading Is there any software needed to install from Parrot OS for TP-Link UB500 Nano USB bluetooth 5.0?
Canonical, the company behind Ubuntu, has released Ubuntu Core 24, a version of its operating system designed for edge devices and the Internet of Things (IoT). The new release comes with a 12-year Long Term Support commitment and features that enable … Continue reading Canonical Launches Ubuntu Core 24
I was working on a Capture the Flag (CTF) challenge that involved a setuid-enabled binary, ‘/usr/bin/python’, where the owner is ‘root.’ I assumed the user was "www-data", with UID=33.
The goal was to create a bash shell with RUI… Continue reading Python os.system() does not change EUID to 0, but os.execl() does, why? [duplicate]
BrianFagioli writes: Canonical has officially released the optimized Ubuntu 24.04 image for the Milk-V Mars, a credit-card-sized RISC-V single board computer (SBC) developed by Shenzhen MilkV Technology Co., Ltd.
The Milk-V Mars is the world’s first … Continue reading Ubuntu Linux 24.04 Now Optimized For Milk-V Mars RISC-V Single Board Computer