Analogue of Add-Computer in PowerShell 7
Posted by Alex On August 18, 2022
=========================================================== UPDATE: Testing with PowerShell 7.3.0-preview.5 shows that Add-Computer is back! Command Get-Command -module Microsoft.PowerShell.Management outputs the following: CommandType Name Version Source ----------- ---- ------- ------ Function Add-Computer 1.0 Microsoft.PowerShell.Management …………………. …………………. That is, Add-Computer is present, it is a function (not a cmdlet), the version is indicated as 1.0. The status of Add-Computer is […]
How to modify images on the Linux command line
Posted by Alex On August 17, 2022
ImageMagick is a powerful program and library for creating and modifying images on the command line. This section will cover the commands and options that you can use to imitate a drawing with paints, pencil, charcoal, make an image black and white; rotate the image to an arbitrary angle or display the image horizontally or […]
How to add a caption to a large number of images
Posted by Alex On August 16, 2022
Bulk add captions to images The article “How to add text to images in ImageMagick” shows many examples of adding text with the ability to change all its properties using the “magick” program. The “magick” utility is part of the ImageMagick package. For details on installing ImageMagick, including which dependencies you need to install to […]
ImageMagick guide: installing, using, and troubleshooting
Posted by Alex On August 16, 2022
Table of contents 1. How to install ImageMagick with all dependencies to support the maximum number of formats 1.1 What is Image Magic 1.2 Installing ImageMagick on Linux 1.3 How to fix “magick: command not found” 1.4 ImageMagick: use magick or convert command? 1.5 Why do animate, compare, composite, conjure, convert, display, identify, import, mogrify, montage, stream commands no longer […]
How to add text to images in ImageMagick
Posted by Alex On August 16, 2022
This post covers examples of using “magick” to add text to photos. The “magick” utility is part of the ImageMagick package. For details on installing ImageMagick, including which dependencies need to be installed to support the maximum number of formats, as well as a description of the command structure, examples of usage and all options, […]
How to composite and append images on the Linux command line (overlay and merge images)
Posted by Alex On August 15, 2022
The “magick” utility is part of the ImageMagick package. For details on installing ImageMagick, including which dependencies need to be installed to support the maximum number of formats, as well as a description of the command structure, examples of usage and all options, see the article: ImageMagick guide: installing, using, and troubleshooting. Let’s consider how […]
The structure of the magick command (ImageMagick)
Posted by Alex On August 14, 2022
ImageMagick Tools This post contains hints on how to use “magick”: selecting frames or areas of an image, types of options, output file numbering, color names, how to specify a transparent color. The “magick” utility is part of the ImageMagick package. For details on installing ImageMagick, including which dependencies need to be installed to support […]
How to convert a large number of images to another format
Posted by Alex On August 13, 2022
Bulk image conversion The article “How to convert images to any formats in Linux” shows how you can easily convert an image from one format to another using the magick program (hundreds of formats are supported). The “magick” utility is part of the ImageMagick package. For details on installing ImageMagick, including which dependencies need to […]
How to reduce image size. Bulk photo scaling and resizing on the command line
Posted by Alex On August 12, 2022
How to reduce image size You can reduce the image size in several ways: 1. Select lossy image encoding format (JPEG) 2. Increase the level of image compression (for images compressed with loss of quality, this will lead to a deterioration in the appearance of the image, for images compressed without quality loss, this will […]
error: blackarch: signature from “Levon ‘noptrix’ Kayan (BlackArch Developer) ” is invalid (SOLVED)
Posted by Alex On August 10, 2022
When trying to update Arch Linux with BlackArch repositories with the command sudo pacman -Syu an error occurred: error: blackarch: signature from "Levon 'noptrix' Kayan (BlackArch Developer) <noptrix@nullsecurity.net>" is invalid The error message says that the signature of one of the BlackArch developers is not valid. To solve this error, just delete the /var/lib/pacman/sync/blackarch.db.sig file: […]