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Version control for your database
Robust schema evolution across all your environments.
With ease, pleasure, and plain SQL.
A fancy self-hosted monitoring tool.
It is a self-hosted monitoring tool like "Uptime Robot".
Debian Live system / CD for sysadmins and texttool-users.
Grml is a bootable live system (Live-CD) based on Debian. Grml includes a collection of GNU/Linux software especially for system administrators. Users don't have to install anything on fixed storage. Grml is especially well suited for administrative tasks like installation, deployment and system rescue.
Analyzes resource usage and performance characteristics of running containers.
cAdvisor (Container Advisor) provides container users an understanding of the resource usage and performance characteristics of their running containers. It is a running daemon that collects, aggregates, processes, and exports information about running containers. Specifically, for each container it keeps resource isolation parameters, historical resource usage, histograms of complete historical resource usage and network statistics. This data is exported by container and machine-wide.
Quick Reference Cheat Sheet
Here are some cheatsheets and quick references contributed by open source angels.
The Log File Navigator, lnav for short, is an advanced log file viewer for the small-scale. It is a terminal application that can understand your log files and make it easy for you to find problems with little to no setup.
Talos is a modern OS designed to be secure, immutable, and minimal. Its purpose is to host Kubernetes clusters, so it is tightly integrated with Kubernetes.
The Kubernetes IDE
The largest and most advanced Kubernetes platform in the world
Mailu, Docker based mail server
Mailu is a simple yet full-featured mail server as a set of Docker images. It is free software (both as in free beer and as in free speech), open to suggestions and external contributions. The project aims at providing people with an easily setup, easily maintained and full-featured mail server while not shipping proprietary software nor unrelated features often found in popular groupware.
Duc is a collection of tools for inspecting and visualizing disk usage.
Checkov scans cloud infrastructure configurations to find misconfigurations before they're deployed.
Checkov uses a common command line interface to manage and analyze infrastructure as code (IaC) scan results across platforms such as Terraform, CloudFormation, Kubernetes, Helm, ARM Templates and Serverless framework.
HPCng is an open community of people and organizations interested in the broad modernization of HPC capabilities across a wide range of use-cases ranging from traditional HPC to enterprise and hyper-scale workloads.
Apptainer is an open source container platform designed to be simple, fast, and secure. Many container platforms are available, but Apptainer is designed for ease-of-use on shared systems and in high performance computing (HPC) environments.
Scalable user load testing tool written in Python
a fully featured network monitoring system that provides a wealth of features and device support.
LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring which includes support for a wide range of network hardware and operating systems including Cisco, Linux, FreeBSD, Juniper, Brocade, Foundry, HP and many more.
Apache Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC, RDP, and SSH.
We call it clientless because no plugins or client software are required.
Thanks to HTML5, once Guacamole is installed on a server, all you need to access your desktops is a web browser.
Manage several git repositories / GitLab automation
Client/Server Open Source Network Backup for Windows and Linux.
UrBackup is an easy to setup Open Source client/server backup system, that through a combination of image and file backups accomplishes both data safety and a fast restoration time.
TiDB is a distributed NewSQL database compatible with MySQL protocol
TiDB (The pronunciation is: /'taɪdiːbi:/ tai-D-B, etymology: titanium) is a distributed SQL database. Inspired by the design of Google F1, TiDB supports the best features of both traditional RDBMS and NoSQL.
Script that allows the easy creation of OpenVPN endpoints in any AWS region. To create a VPN endpoint is done with a single command takes ~3 minutes. It will create a VPC with proper security groups. It spins up a tagged ec2 instance and configures OpenVPN software. Once instance is configured an OpenVPN configuration file is downloaded and ready to use. There is also functionality to see which instances are running in which region and ability to terminate the instance when done. Additional functionality includes specifying instance type, generate ssh keypairs, specify custom ami, change login user and more to come.