How to view package information in Arch Linux (BlackArch, Manjaro)
Posted by Alex On February 18, 2021
For each package in the system, you can find out such information as: version number, description, developer site, dependencies, recommended dependencies, packages with which there is a conflict, size, etc. The commands described in this post work the same in Arch Linux, as well as all distributions based on it, such as BlackArch, Manjaro and […]
How to downgrade to a previous kernel in Arch Linux
Posted by Alex On February 18, 2021
New Linux kernels bring support for new hardware and new features. But sometimes the kernel causes problems: it is completely or partially incompatible with existing software, especially video drivers often suffer from this, but this can also apply to any other software. A very recent example: NVIDIA drivers are partially incompatible with linux >= 5.9 […]
How to change the default operating system in Arch Linux (for UEFI and systemd-boot)
Posted by Alex On February 18, 2021
This instruction applies to all boot loaders that implement the Boot Loader Specification and/or Boot Loader Interface, such as systemd-boot. If you have a modern computer (no older than seven years at the time of writing), then it most likely uses UEFI instead of BIOS and, therefore, uses systemd-boot to boot, which is usually mentioned […]
Analogue of the --force option in pacman
Posted by Alex On February 18, 2021
If you update or install a new package, then if the files included in this package are already present in the file system, the update/install operation is aborted and the files that are already present in the system are displayed. In my practice, the reasons are usually packages installed with pip and the same packages […]
How to run small Python code in Bash
Posted by Alex On February 18, 2021
Bash is not only and even not so much shell built-in functions as command line programs (utilities). By running these commands and transferring the received data to the pipeline (through the pipe), you can automate a variety of things, programming of which in other programming languages can take a lot of effort. This post will […]
How to completely uninstall a package along with dependencies on Arch Linux (as well as BlackArch and Manjaro)
Posted by Alex On February 18, 2021
This tutorial uses pacman as the package management (uninstallation) program, but you can also use pikaur or yay instead, since the options discussed are the same for all these package managers. Related: Automatic installation and update of AUR packages A typical command to uninstall a program that will remove all package files: sudo pacman -R […]
How to recover metadata in processed photos
Posted by Alex On December 22, 2020
Photo metadata is information that is contained within the image file, it can include GPS coordinates, information about the time of shooting, about the settings of the camera and the camera itself, as well as other information. After processing in a photo editor, meta information may be lost. This tutorial will show you how to […]
Error in LMDE “cryptsetup: WARNING: The initramfs image may not contain cryptsetup binaries nor crypto modules” (SOLVED)
Posted by Alex On June 13, 2020
When updating the system, if it was necessary to rebuild initramfs (usually necessary after every Linux kernel update), a warning appeared in LMDE and other Linux distributions. This is not a critical warning and not an error – in fact, this is information about incorrect system configuration. Example of this notification: cryptsetup: WARNING: The initramfs image may […]
How to configure Linux LMDE login without entering a password
Posted by Alex On June 12, 2020
LMDE is the Linux Mint Debian Edition. As with all Linux Mint, during installation, you can select the option “automatic login”, that is, login to Linux without entering a user and password. If during installation you did not select this option, and then changed your mind and decided to configure login without a password in […]
How to install VirtualBox Guest Additions in Linux LMDE
Posted by Alex On June 12, 2020
LMDE is the Linux Mint Debian Edition, i.e. Linux Mint based on Debian. VirtualBox Guest Additions are kernel modules (drivers) that are needed if you run Linux LMDE in a VirtualBox virtual machine. Thanks to guest additions it is possible: enable a shared clipboard between the real operating system and the guest OS enable file […]