Internet, IT and Technology

Linux

Fix: systemd-run doesn't run correctly on Cron

In systems like Debian and Ubuntu, we have the systemd-run tool, which is part of the systemd system. One of the characteristics of this tool is the ability to control and limit system resources with quotas and limits for each service executed. There are several ways to run systemd-run, but the main reason for this entry is for those times when it

How to unban IP address from Fail2ban

How can we unblock Fail2ban IP addresses from the terminal in different ways?

Update software packages on any Debian version

Debian is a Linux operating system widely used in web servers, despite being very friendly, we all need a push to understand how it works. As most servers do not have a graphical interface, since it is not recommended or necessary to have it, we have to use the terminal or console to make all the adjustments and installations for it to work. In

Change of user on Linux from Terminal

When we use the Terminal on Linux, the most common thing is that we are connected with a user without many privileges, and in many cases the need arises to use the root user. Therefore, we use “sudo” to get some magic, and the problem is that if we want to use it directly in the most modern systems, the root login is disabled. It could also be that

Nginx add support for Brotli on Debian and Ubuntu

In this guide I will be explaining how to compile the Brotli module for Nginx, a compression algorithm developed by Google, as an alternative to GZIP and Deflate. The reason for compiling the module is that Nginx has not officially supported the open source version, and in its Nginx Plus version it is supported. Tested with systems: Debian 10 Buster D

Copy Firefox User Profile from Snap to Flatpak

When we use Firefox on Linux, whether it's Ubuntu, Debian, or any other on Snap, there are some drawbacks. Some Snap users complain that apps launch very slowly the first time, and this is somewhat true due to the level of restrictions this new packaging handles. Although the idea is good, the execution leaves much to be desired, which is why there

SUDO command execution awfully slow on Linux

What to do if the sudo command runs very slowly on Linux, when combined with any other command.

Fix "curl: option --compressed...doesn't support this" Cygwin

If we are using cURL on Windows with Cygwin, and we want to use the --compressed option, we will encounter the error: curl: option --compressed: the installed libcurl version doesn't support this It seems like a serious situation but it is not. One option we have is to simply use Linux;). In any other case, since we are using Windows for something

Compress and decompress files and entire directories on Linux

As not everything comes with a manual, or many times it is difficult for us to find documentation for some users, especially if it is a new operating system, such is the case of Linux. If you know how to use it, the terminal is a very powerful tool for any user, and you don't necessarily need to be an expert. We just need to know some commands or

Encrypt and decrypt files with key with GPG on Linux

First, GnuPG or GPG is a tool used for data encryption. It is used via the command line and is quite easy to use. It is recommended to compress or group multiple files instead of encrypting one by one, recommended in the case of backup copies, using zip, tar or with the format of our preference. Table of Contents Installation Table of Contents Installation (adsbygoogle = window.adsbygoogle || []).push({}); ⇧ Installation In most distributions it is found as gnupg ⇧