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Building Docker images for multiple operating system architectures

CircleCI

There are often circumstances where software is compiled and packaged into artifacts that must function on multiple operating systems (OS) and processor architectures. The complete BuildX installation instructions can be found here , and below are the TL;DR instructions for a Linux machine with Docker 19.03 Getting started.

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5 Ways to Protect Scanning Credentials for Linux, macOS and Unix Hosts

Tenable

Here, we focus on ’nix style systems: Linux, Unix and macOS. In part 2 , I provided specific guidance for Windows systems. In this third and final post in the series, I take a look at protecting credentials authenticating against ’nix hosts (by ’nix, we mean Linux, Unix, and macOS), specifically focused on SSH.

Linux 101
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Frequently Asked Questions About CVE-2024-3094, A Backdoor in XZ Utils

Tenable

Frequently asked questions about CVE-2024-3094, a supply-chain attack responsible for a backdoor in XZ Utils, a widely used library found in multiple Linux distributions. XZ is a type of lossless data compression on Unix-like operating systems, which is often compared to other common data compression formats such as gzip and bzip2.

Linux 142
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Obsessive problem solving followed by aimless wandering

David Heinemeier Hansson

I haven't felt any urge to tinker with my Linux setup in months. Huge push to get the Solid Trifecta to line up with a release that included Propshaft and the authentication generator, and the rest of all the amazing steps forward I covered in the Rails World keynote. But then we did it , and then it was done. Ditto with Rails 8.

Linux 57
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CVE-2021-3156 sudo Vulnerability Allows Root Privileges

Aqua Security

A new severe vulnerability was found in Unix and Linux operating systems that allows an unprivileged user to exploit this vulnerability using sudo, causing a heap overflow to elevate privileges to root without authentication, or even get listed in the sudoers file.

Linux 111
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Container Security – What Are Containers? – Part 1

Xebia

A VM is the virtualization/emulation of a physical computer with its operating system, CPU, memory, storage and network interface, which are provisioned virtually. They also require more resources because they need a full guest operating system. It can be installed on a large variety of operating systems.

Linux 130
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Bulletproofing your threat surface with the Microsoft security ecosystem

CIO

Its commitment to Linux turned what might have been a Windows Server-based cloud computing backwater into the Microsoft Azure powerhouse, the only public cloud to give the AWS juggernaut a serious run for its money. Since Satya Nadella took the helm in 2014, Microsoft has doubled down on its support for non-Microsoft technologies.

Azure 213