Tag: Linux
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SSH tunneling explained
Posted on October 18, 2021, Level beginner Resource Length medium
In this post author will cover different tunneling features as supported by OpenSSH, which helps achieve security use cases such as remote web service access without exposing port on the internet, accessing server behind NAT, exposing local port to the internet. OpenSSH is the most widely used open-source SSH server. It comes pre-installed by default with the vast majority of Linux distributions. By Sakshyam Shah.
Tags infosec servers open-source linux app-development
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Investigate Node.js high CPU issue in Linux app service
Posted on October 11, 2021, Level advanced Resource Length medium
When running your Node.js application in Azure Linux App Service, you may encounter High CPU consumption issue. By Hanli_Ren.
Tags linux nodejs performance app-development azure
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Authenticated boot and disk encryption on Linux
Posted on September 28, 2021, Level advanced Resource Length long
Linux has been supporting Full Disk Encryption (FDE) and technologies such as UEFI SecureBoot and TPMs for a long time. However, the way they are set up by most distributions is not as secure as they should be, and in some ways quite frankly weird. In fact, right now, your data is probably more secure if stored on current ChromeOS, Android, Windows or MacOS devices, than it is on typical Linux distributions. By Pid Eins.
Tags linux software how-to infosec
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How to create a self-signed SSL certificate for Nginx in Ubuntu 20.04
Posted on September 24, 2021, Level intermediate Resource Length long
TLS, or transport layer security, and its predecessor SSL, which stands for secure sockets layer, are web protocols used to protect and encrypt traffic over a computer network. By Brian Boucheron and Jeanelle Horcasitas.
Tags nginx servers infosec linux ssl app-development
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Storage performance for cloud native applications
Posted on August 29, 2021, Level beginner Resource Length medium
We talk with our IT clients on a regular basis, and also conduct primary research into emerging IT trends. One of the leading trends we hear is the adoption and deployment of cloud native applications, including containers and Kubernetes, and the infrastructure changes required. By Russ Fellows.
Tags cloud linux devops cio containers
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PC: Personal computing comes of age
Posted on August 18, 2021, Level beginner Resource Length intermediate
It wasn't the first personal computer. Nor was it the most advanced. But shortly after the IBM ® Personal Computer arrived in 1981, it became the leading platform in the revolution that brought computing out of the glass house and into daily life. By IBM.
Tags ibm learning miscellaneous linux management
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Defenseless: UVA engineering computer scientists discover vulnerability affecting computers globally
Posted on May 7, 2021, Level beginner Resource Length medium
In 2018, industry and academic researchers revealed a potentially devastating hardware flaw that made computers and other devices worldwide vulnerable to attack. Since Spectre was discovered, the world's most talented computer scientists from industry and academia have worked on software patches and hardware defenses, confident they've been able to protect the most vulnerable points in the speculative execution process without slowing down computing speeds too much. By Audra Book @virginia.edu.
Tags infosec management cio miscellaneous software linux servers crypto
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Understanding Unikernels: The future of cloud computing, probably
Posted on February 21, 2021, Level beginner Resource Length medium
Having used Containers, Kubernetes and Serverless (a lot!) over the last few years, I catch myself wondering 'What next?' when it comes to more efficient, faster and secure units of computing. By Nithin Jois.
Tags distributed software-architecture linux devops performance data-science machine-learning
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How to write custom cypher procedures with NetworkX and Memgraph
Posted on February 15, 2021, Level intermediate Resource Length medium
Angular is one of the most popular front-end frameworks, with 30% of developers preferring it for their projects. Angular is especially useful for large scale projects with many different views and components. By Ryan Thelin.
Tags linux devops how-to app-development cloud big-data cio data-science
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Kubernetes and Ubuntu: 2020 roundup
Posted on January 31, 2021, Level beginner Resource Length medium
Kubernetes has always been a crucial part of Canonical's vision and contribution to the IT world. All leading cloud providers, such as Google, Microsoft, Amazon, Cisco and IBM run cloud Kubernetes services on Ubuntu, because we focus on the latest container capabilities in modern kernels. By Anastasia Valti.
Tags kubernetes containers open-source cloud linux devops software
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The RustyHermit unikernel
Posted on January 28, 2021, Level intermediate Resource Length long
RustyHermit is a unikernel, which is completely written Rust. Unikernels are application images that directly contain the kernel as a library, so they do not require an installed operating system (OS). They are typical used in virtualized environments, which build the backbone of typical cloud / edge infrastructures. By @stlankes.
Tags programming linux devops performance
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Amazon ECS vs. Amazon EKS: Ultimate showdown
Posted on January 20, 2021, Level beginner Resource Length medium
This article will focus on the two featured AWS weapons for microservices and cloud architecture: Amazon Elastic Container Service (Amazon ECS) and Amazon Elastic Kubernetes Service (Amazon EKS). By Serkan Özal.
Tags aws linux devops kubernetes cio cloud