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Found 155 Skills
Linux networking expert for iptables, nftables, routing, DNS, and network troubleshooting
Open source eBPF-based network monitoring and blocking components for Little Snitch on Linux
Apply CIS benchmarks and secure Linux servers. Configure SSH, manage users, implement firewall rules, and enable security features. Use when hardening Linux systems for production or meeting security compliance requirements.
Linux privilege escalation playbook. Use when you have low-privilege shell access and need to escalate to root via SUID/SGID binaries, capabilities, cron abuse, kernel exploits, misconfigurations, or credential harvesting on Linux systems.
Parse and analyze Linux auditd logs to detect intrusion indicators including unauthorized file access, privilege escalation, syscall anomalies, and suspicious process execution using ausearch and Python.
Linux (Ubuntu/Debian) server initial setup and ongoing administration skill. Covers new server hardening, user management, package management, file permissions, resource limits, log rotation, cron scheduling, and disk management. USE WHEN: - Performing initial setup of a fresh Ubuntu/Debian server (VPS, bare metal, cloud VM) - Hardening SSH, disabling root login, configuring sudo - Configuring system-level resource limits (ulimits, sysctl) for high-concurrency workloads - Managing users, groups, file permissions, and ACLs - Setting up log rotation, journald retention, swap, and NTP - Troubleshooting disk full, FD exhaustion, locale errors, or time drift DO NOT USE FOR: - Container-level administration (use docker or kubernetes skill) - Application deployment pipelines (use deployment-strategies or ci-cd skill) - Firewall/fail2ban configuration (use firewall skill) - Nginx or service configuration (use nginx or systemd skill)
Linux system administration and monitoring
REQUIRED for ANY changes to Linux desktop, window manager, or system config. Use when editing ~/.config/hypr/, ~/.config/waybar/, ~/.config/walker/, ~/.config/alacritty/, ~/.config/kitty/, ~/.config/ghostty/, ~/.config/mako/, or ~/.config/omarchy/. Triggers: Hyprland, window rules, animations, keybindings, monitors, gaps, borders, blur, opacity, waybar, walker, terminal config, themes, wallpaper, night light, idle, lock screen, screenshots, layer rules, workspace settings, display config, or any omarchy-* commands.
heaptrack memory profiler skill for Linux. Use when tracking heap allocations, finding memory leaks, measuring peak heap usage, identifying allocation hotspots, or comparing allocation behaviour between runs. Activates on queries about heaptrack, heap profiling, memory allocation analysis, heaptrack_print, allocation hotspots, or memory leak detection with heaptrack.
Elite Talos Linux expert specializing in immutable Kubernetes OS, secure cluster deployment, machine configurations, talosctl CLI operations, upgrades, and production-grade security hardening. Expert in Talos 1.6+, secure boot, disk encryption, and zero-trust infrastructure. Use when deploying Talos clusters, configuring machine configs, troubleshooting node issues, or implementing security best practices.
Expert in D-Bus IPC (Inter-Process Communication) on Linux systems. Specializes in secure service communication, method calls, signal handling, and system integration. HIGH-RISK skill due to system service access and privileged operations.
Expert in RTOS, bare-metal programming, and embedded Linux. Specializes in Rust for Embedded and high-reliability firmware.