SecureWorld News

JANUARY 13, 2025

A great talent stack gives you the foundation and flexibility to handle anything from analyzing network traffic to explaining IAM policies to executives. Operating Systems: Become fluent in securing Windows and Linux systems. Each layer adds strength and stability, supporting everything above it.

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How To Security Tools Network 111

Tech Republic

JULY 14, 2024

SELinux stands for Security-Enhanced Linux. It is a Linux kernel security model that provides a hardened set of access control security policies for the Linux operating system. SELinux tends to get a bad rap, because it often seems to go out of its way to prevent legitimate applications from working.

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Linux How To Operating Systems Policies 110

Scott Lowe

NOVEMBER 27, 2024

Networking I love reading geeky blog posts like this one that combines Linux network namespaces with WireGuard for VPN split tunneling. Operating Systems/Applications Soatok provides some guidance on what to use instead of PGP. Now, on to the content! Neat stuff. Sneaky hackers! Here’s a link to issue 71.

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Open Source Linux Operating Systems Policies 68

Linux Academy

MAY 28, 2019

By adding free cloud training to our Community Membership, students have the opportunity to develop their Linux and Cloud skills further. Each month we will kick off our community content with a live study group allowing members of the Linux Academy community to come together and share their insights in order to learn from one another.

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Linux Course Big Data Devops 104

Linux Academy

AUGUST 29, 2019

To continually support you in your mission to learn and grow we are always adding new courses and free resources to begin developing your Linux and Cloud skills. Courses Free in September: Microsoft SQL Server On Linux Quick Start. Linux Networking and Trouble Shooting. Network Routing Fundamentals. Git Quick Start.

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Linux Course Devops Big Data 18

CIO Business Intelligence

JULY 19, 2023

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.

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Microsoft Security Enterprise Enterprise 239

Data Center Knowledge

JULY 15, 2013

Microsoft’s ‘Cloud Operating System’ 218,000 Servers in Microsoft Data Centers? If they ran Linux, maybe they wouldn’t have to run so many servers. Privacy policy | EU Privacy Policy.' How many servers do these companies have? Look here to find out. Posted July 15th, 2013.

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Data Center Microsoft Data Disaster Recovery 276

Scott Lowe

MAY 17, 2024

In this Technology Short Take, I have links on things ranging from physical network designs to running retro operating systems as virtual machines. Cloud Computing/Cloud Management Open Policy Agent (OPA) is approaching their 1.0 Operating Systems/Applications Julia Evans digs into what “current branch” means in Git.

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Linux Operating Systems Windows Virtualization 110

Network World

DECEMBER 10, 2024

Customers experience powerful results with Gluware: a 95% reduction in network outages; a perfect 100% network security policy compliance rate; and a 300x speed increase for OS upgrades compared to manual methods. It begins with a unified software stack integrated at the operating system level rather than bolted together with APIs.

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Network Enterprise Enterprise WAN 397

The Verge

JUNE 24, 2020

Microsoft only licenses Windows 10 on ARM to PC makers to preinstall on new hardware, and the company hasn’t made copies of the operating system available for anyone to license or freely install. Apple did demonstrate Parallels Desktop running Linux in a virtual machine, but there was no mention of Windows support.

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Windows Vmware Licensing Virtualization 131

CTOvision

JANUARY 31, 2017

Most aren’t the laptops, tablets, and phones we think of as using the internet: they’re appliances like routers, fridges, cameras, and a million others, each of which is equipped with storage space, an operating system, and a connection to the internet. All of which would be fine if the Internet of Things was secure, but it isn’t.

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Internet Network Course Linux 150

Linux Academy

MAY 31, 2019

This included installing operating system updates, NTP servers, DNS servers, static IPs, audit log options, anti-virus, etc. As soon as an image or template is out of date, we deploy insecure operating systems, which is what this security control prevents. Monitoring Changes to Identify Attackers or Rogue Employees.

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Security Backup Linux Operating Systems 92

The Accidental Successful CIO

MARCH 9, 2016

In order for the software to operate correctly, the supporting software in the environment has to be identical to the software that was present when the software was developed. The network topology might be different, or the security policies and storage might be different. The software that your team has created has to run on it.

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Operating Systems Software Software Virtualization 100

GeekWire

DECEMBER 30, 2023

Among other roles, he served on the National AI Research Resource Task Force , which advised the White House on policy issues, and he’s working on a project to combat AI-related misinformation in the upcoming elections. A great analogy here is what we’ve seen in operating systems.

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Microsoft Open Source Linux Education 120

Scott Lowe

OCTOBER 8, 2021

Kurt Roekle takes a second look at combining Open Policy Agent with Kong Mesh , looking at the potential benefits offered by including Styra Declarative Authorization Service (DAS). Operating Systems/Applications. I love this post. Abhinav Sonkar walks through using Argo CD’s ApplicationSet functionality.

IPv6 97

IPv6 Storage Vmware Hardware 97

Galido

MAY 15, 2016

KeePass Password Safe is a free, Open Source, lightweight, and easy-to-use password manager for Windows, Linux, Mac OS X, and Android mobile devices. Windows BitLocker Drive Encryption is a new security feature that provides better data protection for your computer, by encrypting all data stored on the Windows operating system volume. (In

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Windows Operating Systems Security Data 81

Scott Lowe

AUGUST 27, 2021

I have a fairly diverse set of links for readers this time around, covering topics from microchips to improving your writing, with stops along the way in topics like Kubernetes, virtualization, Linux, and the popular JSON-parsing tool jq. Michael Kashin shares the journey of containerizing NVIDIA Cumulus Linux. Networking. So useful.).

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Linux Load Balancer Malware Virtualization 90

Scott Lowe

JANUARY 21, 2022

Sander Rodenhuis wrote an article on security policies in Kubernetes. The post focuses on Otomi, which in turn leverages Open Policy Agent and Gatekeeper. Operating Systems/Applications. Dennis Felsing shares some thoughts on switching to macOS after 15 years on Linux. Running Docker on an M1 Max-based system?

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Load Balancer Linux Intel Cloud 90

Scott Lowe

FEBRUARY 23, 2024

The Linux kernel project has become a CVE Numbering Authority (CNA); Greg Kroah-Hartman wrote a blog post that discusses this in more depth. Operating Systems/Applications Google has open sourced Magicka, an AI-powered file type identification library. Tony Norlin discusses running Kubernetes with Cilium on FreeBSD.

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Construction Open Source Virtualization Cloud 101

Linux Academy

MARCH 28, 2019

Vulnerabilities at the operating system level may be exploited by rogue container workloads if not hardened. Role binding is further controlled due to its ability to constrain resources within namespaces and lock down the kube-system and default namespaces in production. Implement Pod Security Policy. Manage Secrets.

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Policies Linux Virtualization Security 68

Scott Lowe

AUGUST 16, 2024

Jim Bugwadia shares some techniques for applying the DRY principle to Kyverno policies. Here’s a write-up on enhancing OKE security with Cilium Network Policy. Operating Systems/Applications Bhushan Shah shares some “lessons learned” using git bisect to do some Linux kernel troubleshooting.

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Linux Intel Engineering Network 60

Gizmodo

JULY 29, 2021

You probably wouldn’t expect to find references to “sugar daddies” in Google’s policy updates, but this week that’s exactly what happened. Android Police was first to note that Google quietly updated its inappropriate content policies in its Play Store to specifically forbid any apps meant to encourage “compensated… Read more.

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Google Policies Operating Systems Linux 92

Scott Lowe

FEBRUARY 17, 2023

This post on Cedar—a new policy language developed by AWS—is an interesting read. I’m curious as to the constraints that led AWS to develop a new policy language versus using something like Rego (part of Open Policy Agent); this isn’t something the article touches upon.

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Programming Policies Network Cloud 96

Scott Lowe

FEBRUARY 16, 2017

The rise of the disaggregated network operating system (NOS) marches on: this time, it’s Big Switch Networks announcing expanded hardware support in Open Network Linux (ONL) , upon which its own NOS is based. I use OTR with Adium on OS X, and OTR with Pidgin on my Fedora Linux laptop.). Operating Systems/Applications.

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Vmware Linux Storage Load Balancer 60

Scott Lowe

DECEMBER 2, 2013

This post, by the way, was sparked in part by a comment on my article on using GRE tunnels with OVS , in which the reader asked: “Is there a way to configure bare Linux (Ubuntu)…with OVS installed…to serve as a tunnel endpoint…?” See my introductory post on Linux policy routing if you need more information.

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Transportation Linux Network Virtualization 90

Scott Lowe

JULY 17, 2020

This is a great read overall, but one sentence in particular really caught my eye: “30 years ago I was able to write a complete multitasking operating system in Z80 assembly code. Jon Langemak is blogging again, and he jumps back into the “blogging saddle” with a post on working with tc on Linux systems.

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Linux Apple Operating Systems Policies 60

Scott Lowe

JANUARY 6, 2015

Michael Webster isn’t a name that normally pops up here in the Networking section of my Technology Short Takes, but he recently wrote an article on installing Cumulus Linux from a MacBook Pro that I thought might be handy. Open Network Linux (main website here ; GitHub repo here ) was recently brought to my attention. Servers/Hardware.

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Linux Vmware Dell Network 60

Scott Lowe

MAY 17, 2019

Courtesy of Tigera, Alex Pollitt shares some guidelines on when Linux conntrack is no longer your friend. Apparently Dell’s new docking stations support firmware updates via Linux. I’m thankful that Bill Demirkapi followed a responsible disclosure policy. Operating Systems/Applications. Networking.

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Linux Dell Licensing Open Source 60

Scott Lowe

OCTOBER 4, 2024

This is notable for its inclusion in Kubernetes , and the use of CEL in Validating Admission Policies (which are GA as of Kubernetes 1.30). Operating Systems/Applications Minderbinder is a tool that injects failures into running processes via eBPF. Thinking of trying Arch Linux? Why does this matter?

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Vmware Network Security Linux 74

Scott Lowe

APRIL 29, 2022

Liam Galvin shows a couple of ways that Rego (the language behind Open Policy Agent) can be used maliciously. Operating Systems/Applications. Jorge Castro encourages folks to just kill the silly myths (regarding desktop Linux). Cloud Computing/Cloud Management. Web views in macOS?

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Linux Storage Programming Applications 74

Vox

APRIL 12, 2024

He — along with a number of other accounts — was apparently part of a campaign to compromise nearly every Linux-running computer in the world. Linux is an open source operating system — as opposed to closed systems from companies like Apple — that runs on tens of millions of devices.)

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Open Source Internet Engineering Linux 94

Scott Lowe

DECEMBER 11, 2020

Jonathan Bowman writes about the new crypto policies in Fedora 33 and whether you’ll need to adjust your SSH keys. This list of best practices for securing OpenSSH systems may be useful. Operating Systems/Applications. Here’s a post on using Windows Subsystem for Linux (WSL) to run Linux containers on Windows.

Linux 60

Linux Network Tools Hardware 60

Linux Academy

MAY 13, 2019

When isolating infected workstations, they should be left powered on with the network cables removed and all network adapters disabled within the operating system. Once permission is granted, the network cable will be removed from the physical host and the host’s network adapter will be disabled from within the operating system.

Security 60

Security Exercises Operating Systems Virtualization 60

Scott Lowe

AUGUST 27, 2021

I have a fairly diverse set of links for readers this time around, covering topics from microchips to improving your writing, with stops along the way in topics like Kubernetes, virtualization, Linux, and the popular JSON-parsing tool jq along the way. Michael Kashin shares the journey of containerizing NVIDIA Cumulus Linux.

Linux 60

Linux Load Balancer Malware Virtualization 60

Scott Lowe

JUNE 2, 2016

The first article provides a blueprint for migrating applications to VMware NSX ; the second article supplies some tips for creating filtering policies in VMware NSX. Operating Systems/Applications. AlgoSec has a couple of articles published last year before VMworld 2015, but I just now came across them.

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Vmware Virtualization Linux Windows 60

Scott Lowe

MAY 7, 2021

In this Technology Short Take, I’ve gathered some links for you covering topics like Azure and AWS networking, moving from macOS to Linux (and back again), and more. Stefan Büringer talks about optimizing Open Policy Agent (OPA)-based Kubernetes authorization. Operating Systems/Applications. Networking.

Linux 60

Linux Hardware Network Cloud 60

Scott Lowe

OCTOBER 8, 2021

Kurt Roekle takes a second look at combining Open Policy Agent with Kong Mesh , looking at the potential benefits offered by including Styra Declarative Authorization Service (DAS). Operating Systems/Applications. I love this post. Abhinav Sonkar walks through using Argo CD’s ApplicationSet functionality.

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IPv6 Storage Vmware Hardware 60