today's howtos

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How to Select All in Vim / Vi
Knowing how to select all content in Vim or the Vi editor enables you to complete routines like copying and pasting in Linux quickly. The process can be tricky if you don’t understand how to use the editors properly or bind keys.
For instance, you can select all in Vim/Vi by combining the gg, V, and G keys.
ggVG
Before that, you must be in the normal mode and know what the groups of keys mean or do.This article takes you through Vim/Vi modes, commands, and key bindings. You will find it simpler to select and use file contents with this knowledge.
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How to Use Restic to Backup and Restore Data in Linux
Restic is an open-source, secure, and cross-platform backup program. Using Restic we can store multiple versions of files and directories in an encrypted repository. Restic can be used to back up data to an external device or to cloud storage.
Restic encrypts data with the AES-256 in counter mode and then authenticates it using the Poly1305-AES cryptographic message authentication code. This way Restic guarantees confidentiality and data integrity by utilizing cryptography.
Restic does incremental backups which makes it easier and faster compared to some other backup programs. What this means is that it stores a base backup image and then for each subsequent backup, it stores the difference between that base image and the source machine. This leads to increased backup speed as only the modified data is backed up. It also consumes less backup space.
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How to install PulseEffects on a Chromebook
Today we are looking at how to install PulseEffects on a Chromebook. Please follow the video/audio guide as a tutorial where we explain the process step by step and use the commands below.
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Rubenerd: Basic fix between pf tables and macros on FreeBSD
I worked with a FreeBSD client this morning who’d messed up the pf rules on their VM firewall, and wanted to know how to fix them.
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Today in Techrights
| Eclypsium calls out Microsoft over bootloader security woes
Eclypsium researchers criticized Microsoft for its response to the discovery of three new bootloader vulnerabilities that could be exploited to gain control of systems during the boot process. During a DEF CON 30 session Friday, security platform provider Eclypsium's researchers delved into the vulnerabilities, which were disclosed in Microsoft's Patch Tuesday release this week. The three vulnerabilities exist in third-party bootloaders: Eurosoft Ltd. (CVE-2022-34301); New Horizon Datasys, Inc. (CVE-2022-34302); and Kidan's CryptoPro Secure Disk for BitLocker (CVE-2022-34303). If exploited, threat actors could bypass Secure Boot, a security protocol used by OEMs and operating system vendors to ensure bootloaders and Unified Extensible Firmware Interface (UEFI) drivers are authenticated through valid digital signatures. Bypassing the Secure Boot checks would allow threat actors to commit attacks, such as modifying the OS, disabling security controls and installing backdoors. Read on |
What’s New in GNOME 43?
GNOME is one of the most popular graphical desktop environments on Linux. Practically every distribution has a release featuring GNOME. Imagine the impact then, when the GNOME developers shook things up—to put it mildly—with GNOME 40. It changed the desktop paradigm from a vertical one to a horizontal one and changed the look, feel, and functionality of, amongst other things, the dock, the activities view, and workplaces. Releases 41 and 42 were much smaller in impact, concentrating on polishing the interface and ironing out wrinkles that remained after the iconoclastic changes to GNOME 40. GNOME 43 is more of the same. Don’t expect major changes this time round. That’s not to say it is inconsequential. There are the expected subtle cosmetic touches, with more applications adopting a deeper integration with the libadwaita theming engine. But there’s also new functionality, including the Files file browser being enhanced. It is now adaptive and will give a better user experience on mobile devices. Although GNOME 43 beta is available, it won’t be rolled out to the public until its actual launch date of September 21, 2022. Fedora 37 is slated to use GNOME 43. Ubuntu 22.10 probably won’t. Rolling distributions based on Arch such as Garuda Linux, Manjaro Linux, and EndeavourOS will pick it up shortly after its release date. Although this isn’t the finished product, looking at the beta is still worthwhile. Even if small changes may still be made between now and the launch date, all the big elements are already in place. The release candidate build is the one when the portcullis drops and no more changes can be made. This is slated for September 3, 2022. Read on | today's leftovers
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