ShellHacks https://www.shellhacks.com/ Command-Line Tips and Tricks Sun, 31 Aug 2025 13:13:28 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://www.shellhacks.com/wp-content/uploads/cropped-site-icon-1-32x32.png ShellHacks https://www.shellhacks.com/ 32 32 Arduino Variable Types: Quick Start for Beginners https://www.shellhacks.com/arduino-variable-types-quick-start-for-beginners/ https://www.shellhacks.com/arduino-variable-types-quick-start-for-beginners/#respond Sun, 31 Aug 2025 13:13:28 +0000 https://www.shellhacks.com/?p=5645 The concept of an Arduino variable is one of the first things beginners need to understand when programming microcontrollers. Variables store data that your Arduino sketch can use and modify. To declare a variable in Arduino, you must specify its type and name, like int ledPin = 13;. This tells the compiler what kind of […]

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]]> https://www.shellhacks.com/arduino-variable-types-quick-start-for-beginners/feed/ 0 PowerShell Select-String in Context: Lines Before & After Match https://www.shellhacks.com/powershell-select-string-in-context-lines-before-after-match/ https://www.shellhacks.com/powershell-select-string-in-context-lines-before-after-match/#respond Wed, 27 Aug 2025 15:09:08 +0000 https://www.shellhacks.com/?p=5641 The grep command in Linux is widely used to search for patterns in files and show surrounding lines using flags like -A, -B, or -C. But when switching to Windows PowerShell, many users struggle to find an equivalent. The PowerShell Select-String command is the answer. To show lines before and/or after a match, use the […]

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]]> https://www.shellhacks.com/powershell-select-string-in-context-lines-before-after-match/feed/ 0 Base64 PowerShell Decode & Encode – One-Liners | CheatSheet https://www.shellhacks.com/base64-powershell-decode-encode-one-liners-cheatsheet/ https://www.shellhacks.com/base64-powershell-decode-encode-one-liners-cheatsheet/#respond Tue, 26 Aug 2025 20:52:07 +0000 https://www.shellhacks.com/?p=5379 On Linux or macOS, encoding and decoding with base64 is simple. But on Windows, there’s no built-in base64 command in CMD or PowerShell. That’s why many users search for fast alternative of the base64 command in Windows. The simplest way to convert Base64 encoded/decoded data is to use PowerShell’s ToBase64String and FromBase64String methods. The one-liners […]

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]]> https://www.shellhacks.com/base64-powershell-decode-encode-one-liners-cheatsheet/feed/ 0 Find File by Name in Linux – 7 Basic Examples https://www.shellhacks.com/find-file-by-name-in-linux-7-basic-examples/ https://www.shellhacks.com/find-file-by-name-in-linux-7-basic-examples/#respond Fri, 22 Aug 2025 12:51:38 +0000 https://www.shellhacks.com/?p=5634 Finding files in Linux can be tricky, especially when you need to search through thousands of files across multiple directories. However, this is achievable, using the Linux find command. It lets you search for files in Linux recursively by full name, partial name, or pattern. Many users waste time manually browsing folders. With the right […]

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]]> https://www.shellhacks.com/find-file-by-name-in-linux-7-basic-examples/feed/ 0 Roborock Test Mode: How to Run a Full Self-Test Diagnostic https://www.shellhacks.com/roborock-test-mode-how-to-run-a-full-self-test-diagnostic/ https://www.shellhacks.com/roborock-test-mode-how-to-run-a-full-self-test-diagnostic/#respond Wed, 20 Aug 2025 19:13:44 +0000 https://www.shellhacks.com/?p=5625 If your Roborock vacuum isn’t working properly – whether it’s sensor errors, cleaning issues, or docking failures – running a built-in self-test can help. To enter Roborock BIT mode: remove the robot from the docking station, turn it off, then hold down the ⏻ Power button and quickly press the 🏠 Home button five times […]

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]]> https://www.shellhacks.com/roborock-test-mode-how-to-run-a-full-self-test-diagnostic/feed/ 0 Force `cp` Command to Overwrite Without Confirmation https://www.shellhacks.com/force-cp-command-to-overwrite-without-confirmation/ https://www.shellhacks.com/force-cp-command-to-overwrite-without-confirmation/#respond Wed, 09 Apr 2025 14:49:26 +0000 https://www.shellhacks.com/?p=5622 The cp command in Linux is used to copy files and directories, but by default, it may prompt for a confirmation before overwriting an existing destination. If you’re running the cp command from some script, these prompts can interrupt the execution. To ensure the cp command overwrites files without confirmation, you can bypass aliases or […]

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]]> https://www.shellhacks.com/force-cp-command-to-overwrite-without-confirmation/feed/ 0 MikroTik Script: Create, Run & Schedule – Example https://www.shellhacks.com/mikrotik-script-create-run-schedule-example/ https://www.shellhacks.com/mikrotik-script-create-run-schedule-example/#respond Thu, 20 Mar 2025 22:17:27 +0000 https://www.shellhacks.com/?p=5614 Fore more efficient network management, different tasks in MikroTik can be automated using scripts. For example, you can create a script to check the availability of some host(s), and it run manually, or automatically using the MikroTik scheduler. This guide will show you how to create, run, and schedule a script on MikroTik RouterOS. Tested […]

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]]> https://www.shellhacks.com/mikrotik-script-create-run-schedule-example/feed/ 0 The Best Windows Dig Equivalent for DNS Queries https://www.shellhacks.com/the-best-windows-dig-equivalent-for-dns-queries/ https://www.shellhacks.com/the-best-windows-dig-equivalent-for-dns-queries/#respond Wed, 19 Mar 2025 15:00:44 +0000 https://www.shellhacks.com/?p=5605 The dig command is an essential DNS troubleshooting tool on Linux and macOS. However, attempting to use it in a Windows Command Prompt or PowerShell will return the errors as follows: ‘dig’ is not recognized as an internal or external command, operable program or batch file. — dig : The term ‘dig’ is not recognized […]

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]]> https://www.shellhacks.com/the-best-windows-dig-equivalent-for-dns-queries/feed/ 0 How to Get Telegram Bot API Token in 3 Easy Steps https://www.shellhacks.com/how-to-get-telegram-bot-api-token-in-3-easy-steps/ https://www.shellhacks.com/how-to-get-telegram-bot-api-token-in-3-easy-steps/#respond Tue, 18 Mar 2025 22:53:15 +0000 https://www.shellhacks.com/?p=5608 If you’ve created a Telegram bot and now you need to get its API token, the process is simpler than you might think. Using BotFather, Telegram’s official bot management tool, you can quickly retrieve or regenerate the token. This guide will walk you through the necessary steps to locate your Telegram bot API token quickly […]

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]]> https://www.shellhacks.com/how-to-get-telegram-bot-api-token-in-3-easy-steps/feed/ 0 Shutdown Synology NAS Safely: Avoid Critical Errors https://www.shellhacks.com/shutdown-synology-nas-safely-avoid-critical-errors/ https://www.shellhacks.com/shutdown-synology-nas-safely-avoid-critical-errors/#respond Thu, 13 Mar 2025 19:52:32 +0000 https://www.shellhacks.com/?p=5595 How to shutdown Synology NAS? The simplest method is to press and hold the power button until you hear a beep. This initiates a safe shutdown, preventing data corruption. For Synology NAS owners, shutting down the device safely is essential to avoid hardware damage and ensure data integrity. Below, you will find detailed methods for […]

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