Articles found under tag: cli

Finding unmatched braces (brackets)

By Bob Mesibov 13/08/2016 Tutorials

Recently I was checking for unmatched braces in a big text file with nearly half a million lines (300+ MB). Was there a closing brace for every opening brace? The text file was called 'beetle' and was actually a tab-separated table with each line divided into 77 fields. What I wanted to do was find…

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How to use flags in AWK

By Bob Mesibov 16/07/2016 Tutorials

Flags in AWK are variables which are set to either true or false. They're handy for defining ranges over which AWK can act, as shown below. The AWK used here is GNU AWK 4.1.1 (gawk 4). Sometimes flags aren't needed I'll demonstrate with a simple text file called demo, which has 6 lines with 3…

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Proofreading for illusions with grep and AWK

By Bob Mesibov 18/06/2016 Tutorials

Lexical illusions are very hard to find when proofreading. The most common lexical illusion is a duplicated word, as in this well-known example: A lexical illusion: many people are not aware that the the brain will automatically ignore a second instance of the word 'the' when it starts a new line. …

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Transposing rows and columns: 3 methods

By Bob Mesibov 13/05/2016 Tutorials

Swapping the rows and columns in a table on the command line would seem to be a fairly easy thing to do. For example, with this tab-separated table (called 'tabbed') as input: get this tab-separated table ('swapped') as output: Datamash Transposing rows and columns is indeed easy if you have the…

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Steel, Password Managing the CLI Way

By Andrew Powell 10/01/2016 Overviews

One thing that's probably obvious to anyone who's read more than a few Linux Rain articles is that we appreciate the CLI (command-line interface). Graphical programs and utilities are great and there are some fantastic examples of those out there, not to mention new ones being created all the time.…

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Kill Commands

By Devyn Collier Johnson 03/03/2014 Tutorials

On Linux systems, numerous users often come across a program or process that locks-up. The user will usually kill the software if the system does not do it first. Users may be familiar with some of the kill commands and signals, but does anyone understand all of them? There are four common kill…

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Linux Today

Ubuntu 25.04 (Plucky Puffin) Daily Build ISOs Are Now Available for Download

As expected, the first Ubuntu 25.04 daily builds are based on the previous Ubuntu release, Ubuntu 24.10, which arrived last month on October 10th. This means that the Plucky Puffin ISOs include the same core components and software versions as the Oracular Oriole release.

The post Ubuntu 25.04 (Plucky Puffin) Daily Build ISOs Are Now Available for Download appeared first on Linux Today.

9to5Linux Weekly Roundup: November 17th, 2024

This week we got some cool news starting with Linux kernel 6.12 and Archinstall 3.0, and continuing with DXVK 2.5 and a new Steam Client update for Linux gamers, as well as new Red Hat Enterprise Linux, PeaZip, LibreOffice, and digiKam releases. Check out this week’s hottest news and access all the distro and package downloads released this past week.

The post 9to5Linux Weekly Roundup: November 17th, 2024 appeared first on Linux Today.

Archinstall 3.0 Enhances User Experience with Redesigned TUI

Archinstall development team has just released Archinstall version 3.0. For those unfamiliar, it is a guided installer that helps users navigate the often-complex installation process of Arch Linux, making it accessible without compromising on the flexibility that the distro is known for.

The post Archinstall 3.0 Enhances User Experience with Redesigned TUI appeared first on Linux Today.

Red Hat Enterprise Linux 9.5 gains security, networking upgrades

Red Hat Enterprise Linux 9.5 (RHEL) became generally available on Nov. 14, providing users of the platform with a long list of updates and improvements that impact nearly every aspect of IT and system operations. The latest version of the world’s leading enterprise Linux platform introduces more than 70 enhancements, ranging from advanced networking capabilities to improved container management tools.

The post Red Hat Enterprise Linux 9.5 gains security, networking upgrades appeared first on Linux Today.

GNU Linux-Libre 6.12 Kernel Released for Those Seeking 100% Freedom for Their PCs

The GNU Linux-libre project announced the release and general availability of the GNU Linux-libre 6.12 kernel for those who seek 100% freedom for their GNU/Linux computers and software freedom lovers.

The post GNU Linux-Libre 6.12 Kernel Released for Those Seeking 100% Freedom for Their PCs appeared first on Linux Today.

9 Best Free and Open Source Wireless Security Tools

Here’s our verdict on the finest wireless security tools, captured in a LinuxLinks ratings chart. We only feature free and open source software here.

The post 9 Best Free and Open Source Wireless Security Tools appeared first on Linux Today.

How to Install Graylog on Ubuntu 24.04

Graylog is a free and open-source log-management platform for capturing, storing, and enabling real-time analysis of your data and logs. In this tutorial, you'll learn how to install the Graylog server on Ubuntu 24.04. You'll be installing Graylog with MongoDB and Elasticsearch.

The post How to Install Graylog on Ubuntu 24.04 appeared first on Linux Today.

How to Install Zabbix on Ubuntu 24.04

Zabbix is a free and open-source monitoring solution for IT infrastructure. It allows you to monitor networks, servers, virtual machines, and cloud services. In this guide, we'll show you how to install and configure Zabbix on Ubuntu 24.04 server.

The post How to Install Zabbix on Ubuntu 24.04 appeared first on Linux Today.

Top 7 Python OCR Libraries for Text Extraction from Images

Optical Character Recognition (OCR) is a technology that extracts readable text from images, scanned documents, and even hand-written notes. This article will cover the top seven OCR libraries in Python, highlighting their strengths, unique features, and code examples to help you get started.

The post Top 7 Python OCR Libraries for Text Extraction from Images appeared first on Linux Today.

15 Best Free and Open Source Replacements for du

There are lots of budding developers who have developed software to improve on du in a number of regards. The tools featured here are all command line tools or ncurses interface.

The post 15 Best Free and Open Source Replacements for du appeared first on Linux Today.

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The Walking Dead, The Expanse and more in the Telltale Collection Humble Bundle

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Inspired by SSX, arcade snowboarding game Tricky Madness is now in Early Access

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