When building C or C++ applications with CMake, compiler optimizations can be tailored to a particular CPU feature set. Modern compilers support predefined x86-64 microarchitecture levels (such as v2, v3...

The wisu is a command-line tool designed for inspecting directories and summarizing file usage in a clear and structured way. It is particularly useful for analyzing disk consumption and navigating...

The jsongrep is a command-line tool for querying and extracting values from JSON, YAML, TOML, JSONL, and other serialization formats. It uses a JSONPath-inspired query language based on regular path...

The systemd is the init system and service manager used by many modern Linux distributions, including Ubuntu and Debian. Identifying the installed version can be useful for debugging issues or...

Modern Linux systems can take advantage of advanced CPU instruction set extensions by targeting specific x86-64 microarchitecture levels. These levels (v2, v3, v4) define groups of processor features, enabling software...

A serial number is a unique identifier provided by the manufacturer to identify a specific device. It helps distinguish one machine from another, even if they share the same model...

A serial number is a unique identifier assigned to a device by its manufacturer. It differentiates one hardware unit from another, even among identical models, and is commonly used for...

Ubuntu releases follow a versioned cycle, such as 24.04 and 26.04. Each version introduces system-wide changes, updated kernels, and core libraries. Ubuntu release upgrades move the system from one major...

The pkg-config tool is commonly used to get information about installed packages, including compiler and linker options, and version details. When working with multiple dependencies, it is often necessary to...

In systems programming, retrieving the memory page size can be important for tasks such as optimizing allocations, aligning buffers, or interacting with low-level APIs. A memory page represents the smallest...