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#linux (8)

Cheat sheets (8)

wsl — Managing Linux Distros from the wsl.exe CLI

Install, list, export, import, configure, and clone WSL distributions using the wsl.exe command on Windows 10 and 11.
wsl linux virtualization cli sysadmin web-researched

WSL Interoperability

Running Linux tools from Windows and vice versa, file system access, and networking between WSL and Windows.
wsl linux windows interop networking sysadmin reference web-researched

PCRE — Perl Compatible Regular Expressions

PCRE2 syntax reference — character classes, quantifiers, anchors, groups, lookarounds, backreferences, flags, and advanced features used in grep, sed, nginx, PHP, and dozens of other tools.
pcre regex grep linux cli patterns web-researched

systemd Unit Files

Writing, enabling, and managing systemd service, timer, and socket units.
systemd linux services daemons timers sockets sandboxing sysadmin web-researched

Python Installation — Linux

Install Python 3 on Debian/Ubuntu, Fedora/RHEL, and Arch Linux. Covers package managers, pyenv, and building from source for unsupported distros.
python install linux debian ubuntu fedora arch pyenv

Python Installation — WSL Ubuntu

Install Python 3 inside WSL2/Ubuntu via apt, the deadsnakes PPA, or pyenv. Covers the python3-venv quirk and version aliasing.
python install wsl ubuntu linux

Operating Systems

Command-line references and tooling guides for Linux, Windows, z/OS, and macOS.
os linux windows zos macos overview

Linux

Command-line tools, shell scripting, networking, system administration, and data extraction for Linux.
linux shell sysadmin