A friendly reminder that if you need to sort IP addresses in numerical order by octet, you can use sort -V, which is intended to sort software versions…but works just as well for IP addresses.

sort -V ips.txt
1.9.128.13
1.9.128.17

• • SNIP - -
    223.247.130.72
    223.255.28.203

Guardian Agent (now in beta) allows users to securely empower remote hosts to take actions on their behalf, using their SSH credentials. It allows Mosh and SSH users to enable agent forwarding for every connection, even to hosts they may not fully trust.

Guardian Agent is an alternative to traditional ssh-agent forwarding, which can only safely be enabled when connecting to trusted hosts. The traditional ssh-agent protocol doesn't give the agent information about which host is asking to perform a command on the user's behalf, which server that hosts wants to connect to, or which command the host wants to perform:

Include
Include the specified configuration file(s). Multiple pathnames may be specified and each pathname may contain glob(3) wildcards and, for user configurations, shell-like
``~'' references to user home directories. Files without absolute paths are assumed to be in ~/.ssh if included in a user configuration file or /etc/ssh if included from
the system configuration file. Include directive may appear inside a Match or Host block to perform conditional inclusion.

I had my Include statement trailing a Host directive so it was being included into that Host's config.

Nerd Fonts patches developer targeted fonts with a high number of glyphs (icons). Specifically to add a high number of extra glyphs from popular ‘iconic fonts’ such as Font Awesome, Devicons, Octicons, and others.

The minimal, blazing-fast, and infinitely customizable prompt for any shell!

via Oliver Weiler
@helpermethod

This project is a rewrite of GNU ls with lot of added features like colors, icons, tree-view, more formatting options etc. The project is heavily inspired by the super colorls project.

via

Oliver Weiler
@helpermethod

But some commands, programs, applications, or whatever you want to call them are just plain unneeded for me. I've found five such commands. I haven't spent the time to trace their origins because that would be a huge time vacuum that I can't afford. So, here they are in all their glory—the five commands on my system that I've found I never use. They are in alphabetical order.

quicssh is a #QUIC proxy that allows to use QUIC to connect to an #SSH server without needing to patch the client or the server.

ccat is the colorizing cat. It works similar to the cat command but displays content with syntax highlighting. It supports JavaScript, Java, Ruby, Python, Go, C, and JSON programming languages. The overhead of ccat command comparing to a cat is minimum on a modern desktop with powerful multi-core CPUs and tons of RAM.

Papis is a powerful and highly extensible command-line based document and bibliography manager.

via "gallo"

Debian is not the only project that suffers from this.

Despite the fact that Red Hat is an enterprise Linux distribution, the problems goes even further there where you e.g. still can find a so-called LTS version of PHP 5 that long since should have been permanently terminated.

Update 2022-04-01: Someone asked me about Alpine Linux, whether Alpine is suffering from the same problem. The answer is yes, only not to the same extent as Debian.

Suicide Linux. Any time - any time - you type any remotely incorrect command, the interpreter creatively resolves it into rm -rf / and wipes your hard drive.

good old lynx ist auch im darkmode verfügbar : )

Life is to short to use dated cli tools that suck

Try these instead

build status coverage status
ssh-audit is a tool for ssh server auditing.
Features

SSH1 and SSH2 protocol server support;
grab banner, recognize device or software and operating system, detect compression;
gather key-exchange, host-key, encryption and message authentication code algorithms;
output algorithm information (available since, removed/disabled, unsafe/weak/legacy, etc);
output algorithm recommendations (append or remove based on recognized software version);
output security information (related issues, assigned CVE list, etc);
analyze SSH version compatibility based on algorithm information;
historical information from OpenSSH, Dropbear SSH and libssh;
no dependencies, compatible with Python 2.6+, Python 3.x and PyPy;

Want to make your Linux desktop lit? You need aafire. It is a terminal-based utility that starts an ASCII art fire right inside your terminal. Although you won't physically feel the heat aafire brings to the table, it's definitely a "cool" Linux program to have on your system.

PolKit, which provides methods for nonprivileged processes to interact with privileged ones, has been assigned CVE-2021-4034 and dubbed “PwnKit.”

PolKit 🇬🇧 (oder in der langen Form: PolicyKit) ist ein im Hintergrund laufender Dienst, der es erlaubt, Berechtigung für die Nutzung von Systemkomponenten und Software festzulegen.

So kann mittels PolKit z.B. festgelegt werden, dass beim Aufruf eines Programms nach dem Passwort eines Nutzer mit Root-Rechten gefragt wird, auch wenn das Programm nicht mittels sudo oder pkexec gestartet wurde. PolKit ist auch in Werkzeuge der Systemverwaltung von GNOME integriert. Dies ist daran zu erkennen, dass bei vielen Anwendungen nicht mehr das Root-Passwort beim Start der Anwendung abgefragt wird, sondern dass die Anwendung durch einen

This article explains the role of the X Window System when it was first developed in the 1980s, and today. I highlight three advanced traits:

X was highly portable, so that applications written for X could run on virtually any Unix system, on BSD, on GNU/Linux, and on the Mac.
X allowed distributed computing. You could run graphical applications hosted on another computer, displaying them on your local desktop.
X was customizable to an almost limitless extent. This made X a platform for sophisticated interfaces such as KDE and GNOME.

Here are 11 Linux commands that one sysadmin cannot live without.