Command output can fill a terminal, making its opening harder to inspect. The Linux head command prints the initial part of that output or a file. This article explains how to set line and byte counts, then combine head with tail to select a line range. TL;DR: Preview the beginning of a file Without a
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When an application needs to store data on a Debian or Ubuntu machine, Redis can serve as its data store. Redis is an in-memory data store that accepts commands from client programs. I’ll show how to install Redis on Debian or Ubuntu and check that its local service responds to redis-cli. TL;DR Install the redis-server
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When Linux storage is running low, locating large files gives you paths to inspect. The find command searches a chosen directory for files above a size threshold. This article shows how to set that threshold and rank matching files by apparent size. It also explains when du helps compare directory usage. TL;DR: Find large files
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Fetching a URL from a Linux shell can leave you deciding whether the response should go into a file or appear in the terminal. Wget and curl are command-line tools for transferring data to and from URLs, and they handle output differently by default. This article compares which command fits common transfer tasks and shows
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To mount NTFS on Arch Linux, pick a driver, find the Windows partition with lsblk and mount it under /mnt with a normal mount command. Modern kernels include the ntfs3 driver, and the ntfs-3g package is the FUSE (filesystem in userspace) alternative. This guide covers both, fixes the read-only error that Windows Fast Startup causes
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A new Ubuntu or Debian setup needs Go installed before you can build Go source on it. Go is a compiled programming language, and its go command provides the compiler and build tools. This article walks through installing Go and checking that its command is available. TL;DR Install Go from your distribution when its packaged
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A report can be long when you only need to check its newest records. The Linux tail command prints the end of a file, with options to start at a chosen line or byte count. I’ll show how to select the part of a file to read and how to follow new log entries. TL;DR:
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A local application needs a place to store its data. MySQL Server is a database service that stores structured data and answers SQL requests, and the mysql client connects to it. I’ll show you how to install the distribution package with APT and check whether the service is active. TL;DR: Install MySQL with APT On
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A command-line task may call for checking a web response or sending data to a service. The curl command transfers data to or from URLs. This article walks through inspecting response headers and sending a small JSON request with curl. TL;DR: curl command in Linux curl handles transfers from a URL. These options determine whether
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Copying a file from a terminal means choosing a source path and a destination, which can have a different name. The cp command copies files and, with a recursive option, copies directories and their contents. In this piece, I’ll walk through copying files and directories with cp, then explain how to choose an overwrite option.
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