OpenSSL is the standard command-line toolkit for working with certificates, keys, and SSL As a system administrator, you will use it to generate private keys, createcertificate signing requests, issue self-signed certificates, and convert between certificateformats. This guide covers the full…
You boot up your computer and—bam!—Windows starts checking a drive for errors. Great… unless you’re in a rush and suddenly watching a countdown timer like it’s Y2K. Want to take control of those automatic disk checks? Meet your new friend:…
pushd and popd are two CMD built-in commands that let you save your current directory to a stack, navigate elsewhere, and return to the saved path with a single command. They are especially useful in batch scripts where you need…
nltest is a command-line utility that communicates directly with the Netlogon service on Windows. It gives system administrators direct access to domain controller discovery, trust relationship inspection, and secure channel management — all from the command line, without opening Active…
The TITLE command changes the title bar text of a Command Prompt window. You probably already know that. But there is more to it — dynamic status updates during script execution, multi-window orchestration with START, and a few non-obvious behaviors…
Need to rename files in bulk? Change file extensions quickly? Fix a hundred messy filenames with one line?The ren command is your lightweight, no-nonsense solution — and it’s been quietly rocking the Windows CLI since the MS-DOS days. Let’s give…
Ever wish you could turn a long, annoying folder path into its own drive letter — instantly? Good news: Windows has had a secret command for that since the stone age (aka DOS). It’s called SUBST, and it lets you…
mklink in Windows: symlinks, junctions, and when to use each mklink is a built-in Windows CMD command that creates symbolic links, hard links, and directory junctions — pointers that let the operating system treat one path as if it were…
So you’re on a domain-joined Windows machine, and someone tells you to “just submit the CSR to the CA.” Cool. One problem: You have no idea where the CA is. Or if there’s even one available. 😅 Fear not, fellow…
certutil is a built-in Windows utility primarily used for certificate management, but it also supports Base64 encoding and decoding of files directly from CMD — no additional software required. It has been available on every version of Windows since Vista…
