The Tragedy of systemd
Explore the history, controversy, and impact of systemd, delving into bootstrap processes, init systems, and the evolving landscape of Unix-like operating systems.
Configuration Is -riskier than?- Code
Explore the risks and challenges of configuration changes in IT operations, comparing them to code changes and discussing strategies to enhance safety and reduce outage risks.
Using a Cloud to Manage a Cloud
QubesOS overview and its application in OrionVM's sysadmin, highlighting benefits, challenges, and potential improvements in managing cloud infrastructure through hypervisor-backed containers.
Fixing I/O Performance for Windows Guests in OpenStack Ceph Clouds
Exploring I/O performance issues for Windows guests in OpenStack Ceph clouds, detailing the root cause and comprehensive fixes across storage, host, and guest layers.
Piku - Git Push Deployments to Your Own Servers
Learn to deploy applications to your own servers using Piku, a lightweight alternative to proprietary PaaS solutions. Discover how to set up and use this open-source tool for easy, secure, and customizable deployments.
Tyranny of the Clock
Troubleshooting git-over-ssh on GitLab.com: A journey from error reports to resolution, covering technical and social aspects of problem-solving in system administration.
MySQL for System Administrators
Aprenda habilidades essenciais para manter bancos de dados MySQL, equilibrando funções entre administrador de sistemas e DBA. Aborda autenticação, backups, monitoramento e práticas recomendadas.
API != REST - Procmail to the Rescue
Explore an alternative to REST APIs using SMTP for a training workshop system, leveraging procmail and ansible for seamless user environment setup and management.
A Re-Introduction to S3FS
Explore s3fs, a popular FUSE file system for object storage. Learn its uses, evolution, performance, and comparisons with NFS, including benefits and pitfalls.
Send in the Chown - Systemd Containers in User Namespaces
Explore systemd containers in user namespaces, focusing on security features for better isolation and deployment of systemd-based workloads in Kubernetes environments.
A Mechanism to Isolate CPU Topology Information in the Linux Kernel - CPU Namespace
Proposes a CPU namespace mechanism for isolating CPU topology information in containerized environments, addressing coherency, security, and fair use concerns in multi-tenant systems.
A Trusted Trip in the Cloud - Working with Trusted Hardware
Exploring trusted computing in cloud environments using TPM 2.0. Discusses practical challenges and experiences in setting up a secure cloud infrastructure with remote attestation and evolving open-source software.
The Optimization of a Boost.Asio-Based Networking Server
Optimize Boost.Asio-based networking servers through advanced techniques, models, and architectures. Explore synchronous I/O, KRU, ACO buffer, and more for improved performance.
Going Massive with uWSGI and Nginx
Explore advanced techniques for scaling web applications using uWSGI and nginx, focusing on performance optimization and handling high traffic loads.
Developing Android Apps Completely in Python - Part 2
Learn to develop Android apps using Python, covering emulator setup, SDK installation, Pygame integration, event handling, and Android-specific considerations.
Vaurien - The Chaos TCP Proxy
Explore Vaurien, a TCP proxy tool for simulating network issues and testing application resilience in distributed systems.
The Sorry State of SSL
Comprehensive overview of SSL/TLS security, covering protocols, encryption, common pitfalls, and best practices for developers and users to ensure data protection in web applications.
Statistics 101 for System Administrators
Python for sysadmins: Analyze system data using statistics, scipy, and matplotlib. Learn to parse logs, calculate distributions, find correlations, and create informative plots to quickly identify performance issues.
Packaging and Testing with Devpi and Tox
Efficient Python project management: Learn to organize packaging and testing using devpi-server and tox. Explore workflows for open-source and in-house development, including inheritance, security, and automation.
Argus - The Omniscient CI
Explore Argus, a powerful CI framework for scenario-based testing across platforms. Learn to create custom recipes, leverage introspection, and generate in-depth analysis logs for robust project testing.
Salting Things Up in the Sysadmin's World
Explore SaltStack, a Python-based configuration management system. Learn its features, deployment, and practical applications for efficient system administration and automation.