Open-source web app using Elasticsearch and Docker to search through the contents of 100 classic novels.

Master the command line, in one page

A collection of handy Bash One-Liners and terminal tricks for data processing and Linux system maintenance.

A collection of Linux Sysadmin Test Questions and Answers. Test your knowledge and skills in different fields with these Q/A.

A collection of resources for linux reverse engineering

Guide to using YubiKey for GnuPG and SSH

Alias and navigate to directories with tab completion in Linux

A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev

Just a Christmas tree

A collection of various awesome lists for hackers, pentesters and security researchers

lightweight automatic anti-bot turret for your public serivces

Examples and hands-on labs for Linux tracing tools workshops

An attempt to answer the age old interview question "What happens when you type google.com into your browser and press enter?"

Modern Memory Safety in C/C++

Security Guide for Developers (实用性开发人员安全须知)

U2F USB token optimized for physical security, affordability, and style

X-Ray Vision for your infrastructure!

Seesaw v2 is a Linux Virtual Server (LVS) based load balancing platform.

Command-line JSON processor

The dissection of a simple "hello world" ELF binary.

A kernel that can read from keyboard and print on-screen

📚 List of awesome university courses for learning Computer Science!

Performance analysis tools based on Linux perf_events (aka perf) and ftrace

HTTP web server index for Apache httpd, lighttpd and nginx.

A little bit about a linux kernel

Material Design icons by Google (Material Symbols)

Shinken module for boosting SNMP connections