How to Set Temporary Environment Variables in Linux (+Video Tutorial)
Tech Republic
SEPTEMBER 25, 2023
Did you know that you can set temporary environment variables in Linux? Learn how to get started with our guide and video tutorial.
How To Linux Network Open Source 
The easiest method of installing Docker on Linux
Tech Republic Cloud
JUNE 23, 2023
In this TechRepublic How to Make Tech Work video, Jack Wallen shows you how to install Docker on Linux machines. The post The easiest method of installing Docker on Linux appeared first on TechRepublic.
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How to install the Observium network discovery tool on Ubuntu Server 18.10
Tech Republic Data Center
DECEMBER 25, 2019
Observium is a powerful network discovery/management tool that is open source, free, and ready to install on your Linux datacenter servers.
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How to Easily Block IP Addresses From Accessing a Desktop or Server
Tech Republic Security
JULY 24, 2023
In this How to Make Tech Work tutorial, Jack Wallen shows how to add another layer of security to your Linux machines with just two files.
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How to Easily Block IP Addresses From Accessing a Desktop or Server
Tech Republic Security
JULY 24, 2023
In this How to Make Tech Work tutorial, Jack Wallen shows how to add another layer of security to your Linux machines with just two files.
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The rise of Linux malware: 9 tips for securing the OSS
Tech Republic
SEPTEMBER 9, 2022
Jack Wallen ponders the rising tide of Linux malware and offers advice on how to help mitigate the issue. The post The rise of Linux malware: 9 tips for securing the OSS appeared first on TechRepublic.
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Technology Short Take 176
Scott Lowe
MARCH 15, 2024
Networking Lee Briggs (formerly of Pulumi, now with Tailscale) shows how to use the Tailscale Operator to create “free” Kubernetes load balancers (“free” as in no additional charge above and beyond what it would normally cost to operate a Kubernetes cluster). Think Linux doesn’t have malware?
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What’s Free at Linux Academy — May 2019
Linux Academy
APRIL 30, 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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What’s Free At Linux Academy June 2019
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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Free Courses at Linux Academy – November 2019
Linux Academy
NOVEMBER 1, 2019
To continually support your mission to learn and grow, we are always adding new, free courses and resources for developing Linux and Cloud skills. Members of the Linux Academy community come together and share their insights and questions. Microsoft SQL Server on Linux Quick Start. How to Get a Linux Job.
Course 104
104 Network Awareness Using ARPwatch | Roadmap to Securing Your Infrastructure
Linux Academy
MARCH 25, 2019
This topic of network awareness is dear to my heart — not because of what it does but because it is network-based and I started out in the IT field as a network engineer, so networking holds a special place for me. What do I mean by “network awareness”? So, how much does something like this run?
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What’s Free at Linux Academy — March 2019
Linux Academy
FEBRUARY 26, 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 Training Courses | New January Releases
Linux Academy
JANUARY 27, 2019
Dive into our latest Linux training courses and Hands-On Labs, and let us know which course you’re most excited to start with #ReleaseTheTraining. Don’t miss your chance to win a free year of Linux Academy! Learn how to enter to win here. New Hands-On Linux Training Courses. Kali Linux Deep Dive.
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What’s Free at Linux Academy — May 2019
Linux Academy
APRIL 29, 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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You Should Run R On Your Computer: Not just for stats, but to know what all the excitement is about
CTOvision
APRIL 20, 2014
R runs on a wide variety of systems, including Mac, Windows, Linux and Unix. Here are some tips to get you up and running fast: There is a comprehensive archive of all things R related, called “CRAN” for Comprehensive R Archive Network. You will immediately see links to Linux, Mac and Windows versions of R.
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What’s Free At Linux Academy February 2019
Linux Academy
JANUARY 29, 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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60 Launching an Open Source Book Project
Scott Lowe
FEBRUARY 20, 2017
In my list of planned 2017 projects , I mentioned that one thing I’d like to do this year is launch an open source book project. Well, I’m excited to announce The Open vSwitch Cookbook , an Apache 2.0-licensed licensed book project aimed at providing “how to” recipes for Open vSwitch (OVS).
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Technology Short Take 175
Scott Lowe
FEBRUARY 23, 2024
Networking The good folks over at Packet Pushers have compiled a list of open source networking projects. The Linux kernel project has become a CVE Numbering Authority (CNA); Greg Kroah-Hartman wrote a blog post that discusses this in more depth. Ivan Yurochko of PerfectScale discusses how to manage S3 throttling.
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How to scan container images with Docker Scout
Tech Republic Security
MAY 18, 2023
Jack Wallen demonstrates how to scan container images for vulnerabilities and dependencies with the new Docker Scout feature. The post How to scan container images with Docker Scout appeared first on TechRepublic.
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How to Compare the Contents of Local & Remote Files With the Help of SSH
Tech Republic Security
SEPTEMBER 25, 2023
This is a step-by-step guide on how to compare the contents of local and remote files with the help of SSH. Watch the companion video tutorial by Jack Wallen.
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Free Cloud Courses at Linux Academy — July 2019
Linux Academy
JUNE 25, 2019
By adding free cloud training to our Community Membership, students can develop their Linux and Cloud skills even further. Members of the Linux Academy community come together and share their insights and questions. Stay tuned to the Linux Academy blog for details! Linux Academy Free Courses in July. Ansible Quick Start.
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How to deploy a container to a remote Docker machine with ServerCat
Tech Republic Cloud
DECEMBER 27, 2022
Find out how ServerCat makes it easy to deploy a container to one or more Docker hosts with batch execution. The post How to deploy a container to a remote Docker machine with ServerCat appeared first on TechRepublic.
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MicroK8s: Up and Running in Azure
Linux Academy
APRIL 10, 2020
By now you’ve heard the stories that Microsoft loves Linux and fully embraces the open-source world. Microsoft, under Satya Nadella, has taken a new stance on open-source , which to some is a complete flip-flop from the Microsoft of the past. Windows Subsystem for Linux (WSL). Visual Studio Code.
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Technology Short Take 161
Scott Lowe
OCTOBER 28, 2022
Networking. Atulpriya Sharma illustrates how to use DNS-based routing (with Argo Rollouts and Azure Traffic Manager) to implement a blue/green deployment strategy. Ivan Pepelnjak addresses the idea that network automation is harmful. I believe that IT folks in all disciplines, including networking, need to embrace automation.
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How to deploy the SonarQube code inspection tool with Docker
Tech Republic
SEPTEMBER 22, 2022
Jack Wallen shows you how to deploy the continuous code inspection tool SonarQube using Docker on Ubuntu Server 22.04. The post How to deploy the SonarQube code inspection tool with Docker appeared first on TechRepublic.
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Weekly Update 6-3-2019
Linux Academy
JUNE 3, 2019
This week, we’re talking all about serverless computing, what it is, why it’s relevant, and the release of a free course that can be enjoyed by everyone on the Linux Academy platform, including Community Edition account members. Plus Wes and Ell are back from KubeCon in Barcelona and return with some great news for open source.
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Cryptocurrency miners exploit Docker flaw
Network World
MARCH 5, 2019
Two-Minute Linux Tips: Learn how to master a host of Linux commands in these 2-minute video tutorials ]. Monero (ticker symbol XMR) is an open-source cryptocurrency that was created in April 2014. It focuses on fungibility (individual units are essentially interchangeable), privacy, and decentralization.
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Free Courses at Linux Academy- January 2020
Linux Academy
JANUARY 1, 2020
How to Get a Linux Job. This course helps prepare you for applying for and successfully obtaining a Linux Job. Learn how to use the keyboard to work with your text documents, complete searches, replace text, and format. This course dives into LXC (Linux Containers) and its container manager, LXD. LXC/LXD Deep Dive.
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Free Courses at Linux Academy- February 2020
Linux Academy
JANUARY 30, 2020
How to Get a Linux Job. This course helps prepare you for applying for and successfully obtaining a Linux Job. Learn how to use the keyboard to work with your text documents, complete searches, replace text, and format. This course dives into LXC (Linux Containers) and its container manager, LXD. LXC/LXD Deep Dive.
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29 Technology Short Take 134
Scott Lowe
NOVEMBER 25, 2020
Networking. Isovalent—the company behind Cilium, the eBPF-powered networking solution for Kubernetes clusters—just launched with a $29M Series A round of funding. Open source has become so critical to so many aspects of our computing infrastructure. See, something for everyone! Congrats, Isovalent team!
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Free Courses at Linux Academy – December 2019
Linux Academy
DECEMBER 1, 2019
To continually support your mission to learn and grow, we are always adding new, free courses and resources for developing Linux and Cloud skills. Members of the Linux Academy community come together and share their insights and questions. Microsoft SQL Server on Linux Quick Start. How to Get a Linux Job.
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How and Where to Find and Download R
CTOvision
JANUARY 28, 2015
The Comprehensive R Archive Network is available at many different URLs, and they give you the option to download from the mirror location closest to you. On the next page, you will be given a choice to download for Linux, Windows or Mac. . I will continue this with an example of how to download on a Mac.
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Free Courses at Linux Academy — August 2019
Linux Academy
JULY 30, 2019
Our free cloud training allows students to begin developing their Linux and Cloud skills. Visit the Linux Academy Booth at Black Hat or find Ell at any of the other Hacker Summer Camp events! Kali Linux Deep Dive – In this course, you will learn how to find the vulnerabilities in frameworks like Metasploit, BeEF, SET, etc.
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Open vSwitch Day at OpenStack Summit 2017
Scott Lowe
MAY 9, 2017
This is a “liveblog” (not quite live, but you get the idea) of the Open vSwitch Open Source Day happening at the OpenStack Summit in Boston. Feature parity and user interface parity between OVS/OVN on Hyper-V is really close to OVS/OVN on Linux, which should make it easier for Linux sysadmins to use OVS/OVN on Hyper-V as well.
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Open vSwitch Day at OpenStack Summit 2017
Scott Lowe
MAY 9, 2017
This is a “liveblog” (not quite live, but you get the idea) of the Open vSwitch Open Source Day happening at the OpenStack Summit in Boston. Feature parity and user interface parity between OVS/OVN on Hyper-V is really close to OVS/OVN on Linux, which should make it easier for Linux sysadmins to use OVS/OVN on Hyper-V as well.
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60 Technology Short Take 170
Scott Lowe
SEPTEMBER 8, 2023
Networking Brent Salisbury shares some code intended to help you “ChatGPT your project documentation.” This is a slightly older article (from January of this year) in which Josh Saul of Hedgehog pays homage to the achievements of Cumulus Networks in the open networking movement. What about preventing it?
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Technology Short Take 164
Scott Lowe
JANUARY 27, 2023
I’ve got another collection of links to articles on networking, security, cloud, programming, and career development—hopefully you find something useful! Networking William Morgan’s 2022 service mesh recap captures some of the significant events in service mesh in 2022, although through a Linkerd-colored lens.
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Weekly Update 6-17-2019: All About Ansible
Linux Academy
JUNE 17, 2019
Ansible is an open source tool that has been backed by Red Hat since 2015. There’s even more to Ansible that we couldn’t possibly cover in this blog, such as Ansible playbooks, or even how to install and deploy Ansible. But y ou can do all of that and more in our free Ansible Quick Start course on Linux Academy , right now.
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Technology Short Take 165
Scott Lowe
FEBRUARY 17, 2023
Over the last few weeks, I’ve been collecting articles I wanted to share with readers on major areas in technology: networking, security, storage, virtualization, cloud computing, and OSes/applications. Denis Mulyalin shows how to use Nornir, Salt, and NetBox to template your network tests.
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Technology Short Take #60
Scott Lowe
JANUARY 28, 2016
Networking. The rise of Linux in importance in the networking industry continues, with Arista announcing enhancements to Arista EOS to support—among other things—Docker containers. See this SDx Central article or this Network World article for more details.). The project itself is open source and hosted on GitHub.
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60 Free Courses at Linux Academy — September 2019
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. Network Routing Fundamentals. Welcome to the Network Routing Fundamentals course!
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18 Technology Short Take 153
Scott Lowe
APRIL 15, 2022
Networking. Want to understand kube-proxy , a key part of Kubernetes networking, a bit better? Although Linux is often considered to be superior to Windows and macOS with regard to security, it is not without its own security flaws. Diego Sucaria shows how to use an SSH SOCKS proxy to access private Kubernetes clusters.
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74 Free Courses at Linux Academy — October 2019
Linux Academy
SEPTEMBER 30, 2019
To continually support your mission to learn and grow, we are always adding new, free courses and resources for developing Linux and Cloud skills. Members of the Linux Academy community come together and share their insights and questions. How to Get a Linux Job. Included with Community Membership. Free Mastery Courses.
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22 Technology Short Take 151
Scott Lowe
JANUARY 21, 2022
Networking. Aidan Steele examines how VPC sharing could potentially improve security and reduce cost. The story of a developer deliberately polluting their open source projects—as outlined here for the “colors.js” Dennis Felsing shares some thoughts on switching to macOS after 15 years on Linux.
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