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In today’s interconnected landscape, the ability to manage computers from different geographical locations has grown from luxury to necessity. There are several ways to do this, depending on the operating system in use. For Linux-based systems, the most common and most secure way to manage your PC remotely is to use SSH (or Secure Shell).
Downloading applications, files, or software from unknown sources can be both exciting and risky. While the official app stores like Google Play Store and Apple App Store offer a plethora of trusted and vetted apps, there may be instances where you need to source software or files from other online platforms.
The NSA created the SELinux policy to provide security to applications. SELinux policies best suit an app under specific conditions, which can be found in this tutorial.
LibreOffice is a powerful and feature-rich office suite that provides essential tools for word processing, spreadsheets, presentations, databases, and more. With regular updates, LibreOffice ensures that users have access to the latest features, bug fixes, and security patches.
Did you know attackers can modify the scripts packaged in a DEB file to gain unauthorized access to your PC? Here's how DEB packages are backdoored.
If you're hosting a Samba server, it's important that you pay extra attention to securing the server from adversaries.
Alpine Linux is a lightweight, security-based Linux operating system. It doesn’t use the GNU C Library and instead uses Musl Libc. As a result, it is lightning-fast and perfect for headless servers, embedded systems, and desktop/laptop workstations that require a low footprint. Here’s how to install Alpine Linux on your system.
If you're an ethical hacker, gathering information about the subdomains of a website is important. Here are some free Linux tools that will help you.
In this How to Make Tech Work tutorial, Jack Wallen shows how to add another layer of security to your Linux machines with just two files.
In Linux systems, including Debian 12, the sudo group grants users the ability to execute administrative commands. This provides them with the privileges to install, update, and delete software, modify system configurations, and more.
If you think your Linux server might be affected by PwnKit vulnerability CVE-2021-4034, you should immediately patch it to prevent any mishaps.
The sudo command is a very important command on Linux systems. You might say that it allows users to run privileged commands without logging in as root, and that is true.
Here's how you can install Elasticsearch, a powerful search and analytics engine on your Ubuntu machine.
In Debian, managing user privileges and administrative access is crucial for maintaining a secure and efficient system. By granting users the ability to execute administrative tasks without relying on the root account, you can enhance security, control access to sensitive operations, and maintain an audit trail of user activity.
In the client-server architecture used by the SSH protocol, a client can authenticate by providing a tunneled clear text password or by using a public/private key pair: this is called public key authentication. A user who logs in via a public key on a remote machine has complete access to the command line; in certain situations, however, it may be useful to associate a public key to a single specific command, for security reasons.
Ever tried to execute a command on your Linux system and received a “Permission Denied” error? The simplest solution to counter this error is using the “sudo” command.
Sudo stands for "superuser do" and effectively gives a regular user access to administrator-like powers. Here's how to use this powerful tool.
Reduce the chances of hackers gaining access to your Linux servers by installing and configuring Fail2ban.
If you are a system administrator and are looking for ways to make your Linux system more secure or want to automate certain processes, creating a non-login user is the solution. Non-login users can prove to be very useful for a variety of cases right from limiting access to your Linux system to running specific processes with restricted privileges. Here, we will guide you through the steps to create a non-login user in Linux and set the appropriate permissions for them.
SSH is a globally-used protocol used to access remote servers. Here's how you can strengthen your SSH connections on Linux for maximum security.
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