Linux Academy

JUNE 26, 2019

By training your IT staff to keep your systems secure, you can prevent harmful or costly data breaches. If your organization handles either of these sensitive data types, you must follow guidelines to keep your systems secure. Here are a few steps you can take to meet regulatory compliance in your organization: System Auditing.

Security 60

Security Linux Policies Meeting 60

Linux Academy

FEBRUARY 18, 2019

A vulnerability scan simply scans for security flaws in systems and devices known as vulnerabilities and reports them. Keep in mind, vulnerabilities are not only within server operating systems and applications, but on network devices, IoT devices, workstations, printers, and every other computing device you have.

Security 60

Security Linux Report Firewall 60

Linux Academy

APRIL 19, 2019

With engaging features like live AWS cloud sandboxes and servers, Interactive Diagrams, Hands-On Labs in live cloud environments, customizable flashcards, study groups, direct access to our expert Training Architects, downloadable Course videos, and more, Linux Academy is the #1 cloud training platform that helps you learn AWS by doing.

Training 60

Training Linux Course Devops 60

Scott Lowe

JANUARY 15, 2021

This article by Joshua Fox outlines how and when to use each of the various types of firewalls offered by AWS. Operating Systems/Applications. Ryan Blunden has authored a fairly comprehensive piece on environment variables in Linux and macOS. Linux may be coming to the Apple M1 chip.

Linux 60

Linux Firewall Open Source Vmware 60

Linux Academy

FEBRUARY 5, 2019

These controls could be firewalls, Security Information and Event Monitoring (SIEM) systems, Intrusion Prevention Systems (IPSs), Network Access Control (NAC) systems, etc. They analyze reports and data from these systems to identify what is normal activity and what needs to be investigated.

Information Security 75

Information Security Security Firewall Backup 75

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.

Policies 68

Policies Linux Security Virtualization 68

Scott Lowe

FEBRUARY 2, 2017

Vivek Gite over at nixCraft explains how to use ufw (Uncomplicated Firewall) on Ubuntu to limit SSH connections. Operating Systems/Applications. Flatpak is a (relatively) new application packaging/sandboxing mechanism for Linux applications. This looks really promising, IMHO—I’m excited to see it continue to develop.

Linux 60

Linux Network Virtualization IPv6 60

SecureWorld News

JUNE 12, 2023

The course will revolve around real-world system architectures, the threats and exploits that could result in a data breach , and the defense mechanisms that could be employed to protect a network. With this knowledge, learners will then exploit a live system to identify the risks of web applications that lack the necessary security.

Course 60

Course IBM Security Industry 60

Dataconomy

APRIL 13, 2023

It provides a graphical desktop sharing system that allows users to remotely access and control a computer’s desktop environment, making it ideal for remote technical support, remote collaboration, and other related tasks. RDP is built into Windows and is available on most versions of the operating system.

Virtualization 36

Virtualization Network Linux Windows 36

CTOvision

SEPTEMBER 20, 2016

The problem is that threat actors are able to get through the castle gates (firewalls) and once in, are able to evade the castle guards (IPS). The argument is that today with the expansion of n-tier distributed systems and massively parallel architectures, east-west traffic has increased exponentially. Microsegmentation will fix this.

Network 150

Network Security Vmware Virtualization 150

Scott Lowe

SEPTEMBER 11, 2012

” The speaker is Edwin Verplanke, a System Architect with Intel. Verplanke believes that DPDK (Data Plane Development Kit) and virtualization are key to virtualizing workloads that move around lots and lots of packets, such as firewalls, routers, and other similar functions. Is the Linux bridge efficient enough?

Virtualization 113

Virtualization Intel Cloud Data 113

Galido

JUNE 28, 2018

PRTG monitors all types of systems, devices and applications in your IT infrastructure: SNMP: Ready to use and with customization options. SSH: For Linux / Unix and MacOS systems. Installed will be a proprietary database, web server, report engine, notification system, and other features required for the system to function.

Network 60

Network LAN VOIP Licensing 60

Dataconomy

OCTOBER 17, 2023

These individuals use the same techniques as malicious hackers, but instead of using them for nefarious purposes, they use them to identify vulnerabilities and weaknesses in an organization’s systems, networks, and applications. They may steal sensitive data, disrupt systems, or engage in other illicit activities.

Network 45

Network Security Applications System 45

Scott Lowe

MARCH 17, 2016

At DevOps Networking Forum 2016, I had the opportunity to share a presentation on some Linux networking options. Russell Pope at Kovarus recently wrote about using security groups to manage the VMware NSX distributed firewall. Operating Systems/Applications. Have fun reading! Networking. Servers/Hardware.

Vmware 60

Vmware Linux Network Open Source 60

Scott Lowe

JUNE 18, 2017

Anthony Burke gives a little bit of a sneak peek at some functionality from the upcoming v3 release of PowerNSX: searching NSX Distributed Firewall (DFW) rules. Operating Systems/Applications. Here’s a “back to the basics” post with an explanation of what an init system is (uses Fedora as an example). Virtualization.

Windows 60

Windows Vmware Virtualization Linux 60

Scott Lowe

JUNE 18, 2017

Anthony Burke gives a little bit of a sneak peek at some functionality from the upcoming v3 release of PowerNSX: searching NSX Distributed Firewall (DFW) rules. Operating Systems/Applications. Here’s a “back to the basics” post with an explanation of what an init system is (uses Fedora as an example). Virtualization.

Windows 60

Windows Vmware Virtualization Linux 60

Scott Lowe

MARCH 10, 2015

I highly recommend you read the entire post, but in short the five skills Matt recommends are software skills (which includes configuration management and software development tools like Git ), Linux, deep protocol knowledge, hypervisor and container networking, and IPv6. Operating Systems/Applications. What does this mean?

Vmware 60

Vmware Linux Hardware Software Development 60

Scott Lowe

OCTOBER 27, 2017

specifically, the new container network firewall functionality. When I was using Fedora, I needed some useful information on firewall-cmd , and found this article to be helpful. For what it’s worth, I’ve never tried NetBSD, but I have yet to run into any similar issues with any distribution of Linux I’ve tried.

Firewall 60

Firewall Virtualization Network Storage 60

Scott Lowe

AUGUST 11, 2016

I saw two articles talking about his experience: one on redirecting NSX firewall logs into SmartLog and a second one ranting on how the NSX DFW isn’t quite enterprise ready. Operating Systems/Applications. After all, why would you need a configuration management system in a heavily Docker-ized environment? Good stuff!

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

MARCH 2, 2017

Tony Sangha took PowerNSX (a set of PowerShell cmdlets for interacting with NSX) and created a tool to help document the NSX Distributed Firewall configuration. Operating Systems/Applications. Here’s a walkthrough to install Arch Linux on VirtualBox. Thinking of virtualizing Linux on Hyper-V? What’s that? That’s handy.

Linux 60

Linux Devops Open Source Virtualization 60

Scott Lowe

NOVEMBER 7, 2014

It was good to read this post on Cumulus Linux first impressions by Jeremy Stretch. I’m a fan of Cumulus, but I’m admittedly a Linux guy (see here ) so you might say I’m a bit biased. Jeremy is a “hard-core” networking professional, and so hearing his feedback on Cumulus Linux was, in my opinion, useful.

Vmware 69

Vmware Linux Storage Virtualization 69

CIO Business Intelligence

JANUARY 4, 2024

Furthermore, if the operating system pattern is Linux Oracle Enterprise, the architect would use that pattern first in its design unless technical constraints made the consumption of this pattern suboptimal to accomplish the solution’s goal.

Financial 96

Financial Architecture Resources Security 96

Scott Lowe

JUNE 29, 2016

In the event you accidentally locked yourself out of vCenter using NSX’s distributed firewall, this post by Roie Ben Haim provides a workaround for getting yourself out of this pickle. Operating Systems/Applications. This is a highly technical article on scheduling in the Linux kernel , but it’s well worth reading.

Linux 60

Linux Network Hardware Vmware 60

Scott Lowe

AUGUST 16, 2017

Anthony Burke gives a little bit of a sneak peek at some functionality from the upcoming v3 release of PowerNSX: searching NSX Distributed Firewall (DFW) rules. Operating Systems/Applications. This is a space that’s going to see some pretty major changes over the next few years, in my humble opinion. Virtualization.

Windows 60

Windows Virtualization Devops Vmware 60

Scott Lowe

MARCH 8, 2015

Upon hearing the news that Red Hat had released the Atomic Host variant of Red Hat Enterprise Linux , I decided that it would be a good idea for me to take a look at the CentOS flavor of the Atomic Host variant. I’ve spent most of my time with Ubuntu (for general purpose Linux use cases) and CoreOS (for container-optimized use cases).

Linux 60

Linux Cloud Firewall Vmware 60

Cloud Musings

OCTOBER 9, 2018

This is where configuration management (CM) comes into play, its purpose being to maintain the integrity of the product or system throughout its lifecycle while also making the deployment process controllable and repeatable in order to ensure higher quality.

Tools 94

Tools Applications Network Firewall 94

CTOvision

FEBRUARY 4, 2015

Chief Information Officer, Defense Information Systems Agency. She also pioneered Deterministic GC which was productized as JRockit Real Time at BEA Systems (bef. Senior Director of Technology Solutions, Cloudera. 8:15 – 9:00 AM. Opening Keynote. Finding Actionable Information in Enterprise Data – An Executive PerspectiveDavid Bennett.

Fractional CTO 150

Fractional CTO CTO CTO Hire Big Data 150

CTOvision

JANUARY 18, 2015

Chief Information Officer, Defense Information Systems Agency. She also pioneered Deterministic GC which was productized as JRockit Real Time at BEA Systems (bef. Senior Director of Technology Solutions, Cloudera. 8:15 – 9:00 AM. Opening Keynote. Finding Actionable Information in Enterprise Data – An Executive PerspectiveDavid Bennett.

Program Management 150

Program Management Fractional CTO CTO Programming 150

Scott Lowe

MAY 12, 2016

In the event you’re interested in an idea of how much latency the use of in-kernel hypervisor firewalling (such as that offered by VMware NSX) adds, have a look at this article by Sean Howard. Operating Systems/Applications. It’s a good post, well worth reading (in my opinion). Servers/Hardware. Nothing this time around.

Vmware 60

Vmware Windows Network Agile 60

Scott Lowe

APRIL 24, 2015

This is kind of cool, and (in my humble opinion) a sign of changing times: Juniper has Vagrant boxes as well as a Vagrant plugin for working with vSRX (virtual firewall) VMs (via this article from Matt Oswalt). Here are some general guidelines for configuring syslog forwarding on a Cisco ASA firewall. Operating Systems/Applications.

Vmware 60

Vmware Storage Firewall Network 60

Linux Academy

MAY 20, 2019

This is filtering provided at the network edge by a firewall with rules (ACLs) restricting what internal users are allowed to access. Some firewalls have the ability to filter by an application (layer 7 firewalls), but we’re going to concentrate on standard packet-filtering firewalls and their capabilities.

Security 60

Security Firewall Malware Linux 60

ForAllSecure

APRIL 3, 2019

Network filters applied by solutions like Web Application Firewalls (WAFs) aim to solve symptoms, not the root cause. had 7 system calls, which are representative theoretically of real systems. We are focusing on Linux today, as we believe it will be the best user experience out-the-door. This is an easy band-aid.

Programming 52

Programming Software Software Research 52

Scott Lowe

SEPTEMBER 3, 2013

A discussion of “statefulness” brought me again to Ivan’s post on the spectrum of firewall statefulness. Operating Systems/Applications. x that involves booting on a Linux CD. Art Fewell takes a deeper look at the increasingly important role of the virtual switch. Very good stuff!

Vmware 60

Vmware Data Center Storage Virtualization 60

Fountainhead

MAY 5, 2009

Today, the service provider houses over 1,425 virtual servers running on 70 industrystandard Egenera servers, 370 terabytes of storage and 1,250 virtualized firewalls. Albridge Solutions: Albridge Solutions migrated from UNIX servers to industry-standard servers running Linux and Egenera-based Infrastructure Orchestration.

Data Center 100

Data Center Virtualization Disaster Recovery Storage 100

SecureWorld News

MARCH 13, 2024

My work spanned from Linux and Windows to handling cables; essentially, anything the Navy required, whether below or above water, I was involved. I played a role in modifying and enhancing what we could liken to the "GPS" system. A : I spent five years in the Navy, engaging in a wide variety of tasks.

Firewall 71

Firewall Sports Architecture Conference 71

ForAllSecure

APRIL 3, 2019

Network filters applied by solutions like Web Application Firewalls (WAFs) aim to solve symptoms, not the root cause. had 7 system calls, which are representative theoretically of real systems. We are focusing on Linux today, as we believe it will be the best user experience out-the-door. This is an easy band-aid.

Programming 40

Programming Software Software Research 40

ForAllSecure

APRIL 3, 2019

Network filters applied by solutions like Web Application Firewalls (WAFs) aim to solve symptoms, not the root cause. had 7 system calls, which are representative theoretically of real systems. We are focusing on Linux today, as we believe it will be the best user experience out-the-door. This is an easy band-aid.

Programming 40

Programming Software Software Research 40