How to fix “bash: add-apt-repository: command not found” error on Ubuntu/De
Explains how to fix "bash: add-apt-repository: command" error on an Ubuntu or Debian Linux system using the apt/apt-get command.
devops
https://social.techcrunch.com/2022/04/23/seo-scammers-buy-expired-domains-vexing-google-trust/
Ask HN: Beyond AWS/Azure/GCP, what cloud providers should I know more about
AWS Data Transfer Costs: Solving Hidden Network Transfer Costs
Hidden AWS data transfer costs can lead to higher than expected cloud service bills. This post will help track hidden fees and show you how to control them.
Why Enzymit Decided to Build its Own On-Prem HPC Infrastructure | by Lior Z
Since the foundation of the first public cloud companies in the early 2000s, they have radically transformed the landscape of the internet…
Jacob Errington | Roll your own Ngrok with Nginx, Letsencrypt, and SSH reve
https://squeaky.ai/blog/development/why-we-dont-use-a-staging-environment
14 Awesome CLI Tools for Modern Software Developers
General Command Line Tools Autojump Autojump is a tool that learns your most...
Ask HN: Cheaper Heroku alternatives for Rails apps? | Hacker News
Optimizing Rails connections
How to configure database connections in your Rails app
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139 votes, 93 comments. 352K subscribers in the devops community.
Cheat Sheet 💻
— Elitsa Krumova (@Eli_Krumova)
Intelligent System Security
We present a novel approach to infiltrate data to air-gapped systems without any additional hardware on-site.
Top 10 web hacking techniques of 2021 | PortSwigger Research
Welcome to the Top 10 (new) Web Hacking Techniques of 2021, the latest iteration of our annual community-powered effort to identify the most significant web security research released in the last year
Run Ordinary Rails Apps Globally · Fly
Documentation and guides from the team at Fly.io.
Complete Jenkins Tutorial | Learn Jenkins From Scratch In 3 Hours
This LambdaTest Jenkins Tutorial will help you learn the fundamentals of Jenkins and everything...
Perf tooling
phanan/htaccess
✂A collection of useful .htaccess snippets.
Using Siege to Stress Test an Application
Recently the company I work for migrated to new servers. During this migration we were all fairly confident that our new architecture would work and would be able to sustain considerable traffic. How much traffic is "considerable traffic"? In all honesty, none of our team and…
SSH Kung Fu
An extended look at SSH features that can serve a variety of purposes for different use cases.
Performance Tuning – Tips & Tricks
luong-komorebi/Short-Gitlab-Tutorial: Get started with Gitlab in practicable time
Get started with Gitlab in practicable time.
SSH Tricks
Amazing things you can do with SSH, including an introduction to Ansible!
Servers for Hackers
What programmers need to know about servers.
Important penetration testing cheat sheet
Hacksplaining
imthenachoman/How-To-Secure-A-Linux-Server: An evolving how-to guide for securing a Linux server.
An evolving how-to guide for securing a Linux server. - imthenachoman/How-To-Secure-A-Linux-Server
Ask HN: Good open source alternatives to Google Analytics? | Hacker News
How we handle 80TB and 5M page views a month for under $400
How the heck do we run a massively popular website and asset resource while being funded primarily by donations?
5 Best Practices for Securing SSH
This article explores 5 SSH best practices you should observe to boost the security of your infrastructure.
How To Configure the Apache Web Server on an Ubuntu or Debian VPS | DigitalOcean
The Apache web server is the most popular way to serve web content on the internet. The Apache provides a modular and scalable server that can satisfy the n…
Koyeb - The true cost of Kubernetes: People, Time and Productivity
While writing a comparison of Kubernetes and Koyeb, we tried to determine how much operating a Kubernetes cluster really costs. This section of our comparison took us hours to write and ended up being so long that we decided to write a dedicated post about it. Kubernetes is a…
My Top 10 Free Learning Resources for AWS
The Trouble with Tribbles...: The cost of cloud
Putting your IT infrastructure into the cloud seems to be the "in" thing. It's been around for a while, of course. And, like most things rel...
Introducing Push to Deploy. Say hello to a more convenient way to… | by Kev
Say hello to a more convenient way to deploy your app. With just a few clicks, you can deploy your app directly from your repository!
Apache Mesos
Apache Mesos abstracts resources away from machines, enabling fault-tolerant and elastic distributed systems to easily be built and run effectively.
Apache Kafka
Apache Kafka: A Distributed Streaming Platform.
The Basics of Web Application Security
Security is both very important and often under-emphasized. While many targeted techniques help, there are some basic clean code habits which every developer can and should be doing
Apache Tomcat® - Welcome!
Four Linux server monitoring tools
Here is four strong monitoring tools i would like to present for you. htop - interactive process viewer You may know the standard tool for watching real time processes on your machine top. If not, run $ top to see it in action, and $ man top to read the manual. The
bjpcjp/the-book-of-secret-knowledge: A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools and…
A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools and more. - bjpcjp/the-book-of-secret-knowledge
Consul by HashiCorp
Consul is a service networking solution to automate network configurations, discover services, and enable secure connectivity across any cloud or runtime.
DevOps and Security Glossary Terms | Sumo Logic
DevOps is a collection of best practices for the software development process to shorten the development life cycle. Here is a comprehensive list of DevOps and Security terms you need to know.
How To Deploy a Full-Stack MERN App with Heroku/Netlify
This post is intended to be a guide for those that want to deploy a full-stack MERN app. It will be v...
Zabbix :: The Enterprise-Class Open Source Network Monitoring Solution
Zabbix is a mature and effortless enterprise-class open source monitoring solution for network monitoring and application monitoring of millions of metrics.
https://www.papertrail.com/
Jenkins
Jenkins – an open source automation server which enables developers around the world to reliably build, test, and deploy their software
Jaeger: open source, distributed tracing platform
Monitor and troubleshoot workflows in complex distributed systems
GitHub Actions
Easily build, package, release, update, and deploy your project in any language—on GitHub or any external system—without having to run code yourself.
Overview | Prometheus
An open-source monitoring system with a dimensional data model, flexible query language, efficient time series database and modern alerting approach.