idolinux.bsky.social
@idolinux.bsky.social
A critical vulnerability in Apache ActiveMQ (CVE-2024-32114) has been actively exploited, allowing attackers to access message brokers without authentication. Linux administrators running ActiveMQ services should take immediate steps to secure…
Apache ActiveMQ Flaw (CVE-2024-32114) Poses Serious Risk for Linux Servers
A critical vulnerability in Apache ActiveMQ (CVE-2024-32114) has been actively exploited, allowing attackers to access message brokers without authentication. Linux administrators running ActiveMQ services should take immediate steps to secure…
idolinux.com
August 20, 2025 at 10:45 AM
Kali Linux remains one of the most trusted operating systems for penetration testing and cybersecurity tasks. With the release of version 2025.1c, the developers addressed several critical issues affecting users…
Kali Linux 2025.1c: Key Fix, Interface Improvements, and New Tools for Security Pros
Kali Linux remains one of the most trusted operating systems for penetration testing and cybersecurity tasks. With the release of version 2025.1c, the developers addressed several critical issues affecting users…
idolinux.com
June 25, 2025 at 10:00 AM
Understanding the ‘nobody’ user in Linux and Unix systems is essential for anyone managing services and processes. On these systems, processes typically run under specific users for better isolation and…
Understanding the ‘nobody’ User in Linux and Unix
Understanding the ‘nobody’ user in Linux and Unix systems is essential for anyone managing services and processes. On these systems, processes typically run under specific users for better isolation and…
idolinux.com
June 24, 2025 at 6:04 AM
A newly disclosed vulnerability chain affecting the Linux udisks service can allow unprivileged users to escalate privileges to root on many major Linux distributions. This comes as yet another reminder…
New udisks Vulnerability Allows Local Users to Gain Root on Major Linux Distributions
A newly disclosed vulnerability chain affecting the Linux udisks service can allow unprivileged users to escalate privileges to root on many major Linux distributions. This comes as yet another reminder…
idolinux.com
June 23, 2025 at 7:43 AM
On June 18, 2025, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a critical Linux kernel vulnerability, CVE‑2023‑0386, to its Known Exploited Vulnerabilities (KEV) catalog. This flaw, found in…
CISA Warns of Active Exploitation of Linux Kernel Privilege Escalation Vulnerability (CVE‑2023‑0386)
On June 18, 2025, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a critical Linux kernel vulnerability, CVE‑2023‑0386, to its Known Exploited Vulnerabilities (KEV) catalog. This flaw, found in…
idolinux.com
June 20, 2025 at 10:57 AM
There are situations when you want to allow a user to access a system solely through FTP, while blocking all other forms of access like SSH or shell logins. This…
How to Restrict Users to FTP Access Only on Linux
There are situations when you want to allow a user to access a system solely through FTP, while blocking all other forms of access like SSH or shell logins. This…
idolinux.com
June 4, 2025 at 11:47 AM
In today’s connected world, IoT devices are becoming increasingly common, powering everything from home automation to industrial systems. However, this rapid growth has also expanded the attack surface for cybercriminals.…
New Pumabot Botnet Brute-Forces SSH Credentials to Hijack IoT Devices
In today’s connected world, IoT devices are becoming increasingly common, powering everything from home automation to industrial systems. However, this rapid growth has also expanded the attack surface for cybercriminals.…
idolinux.com
June 4, 2025 at 10:13 AM
Verifying whether a package is installed on your Linux system is a fundamental step, especially when debugging issues or managing configurations. The process varies depending on the package manager used…
How to Check if a Package Is Installed on Debian, RedHat And Derivative Systems
Verifying whether a package is installed on your Linux system is a fundamental step, especially when debugging issues or managing configurations. The process varies depending on the package manager used…
idolinux.com
June 2, 2025 at 8:59 PM
Granting passwordless root privileges can streamline workflows, especially when managing multiple automated processes or scripts that require administrative access. If you’re already familiar with changing a user’s default shell, the…
How to Give Passwordless Root Privileges to a Normal User
Granting passwordless root privileges can streamline workflows, especially when managing multiple automated processes or scripts that require administrative access. If you’re already familiar with changing a user’s default shell, the…
idolinux.com
June 2, 2025 at 2:08 PM
Managing user environments is an essential part of Linux system administration. One powerful way to personalize or restrict user sessions is by changing the default login shell. In this article,…
How to Change a User’s Default Shell in Linux
Managing user environments is an essential part of Linux system administration. One powerful way to personalize or restrict user sessions is by changing the default login shell. In this article,…
idolinux.com
May 31, 2025 at 1:17 PM
Working with directories is a fundamental part of navigating and organizing your Linux system. Whether you’re setting up project structures or managing application files, knowing how to create and remove…
The Ultimate Guide for Creating and Removing Directories
Working with directories is a fundamental part of navigating and organizing your Linux system. Whether you’re setting up project structures or managing application files, knowing how to create and remove…
idolinux.com
May 31, 2025 at 1:04 PM
Navigating and editing multiple files efficiently in the terminal is a skill that can significantly enhance productivity. Vim, a highly configurable text editor, includes powerful features such as split screens…
ViM Trick: Split Screen in the Vim Text Editor
Navigating and editing multiple files efficiently in the terminal is a skill that can significantly enhance productivity. Vim, a highly configurable text editor, includes powerful features such as split screens…
idolinux.com
May 30, 2025 at 11:15 PM
Opening files or directories directly from the terminal can significantly improve your workflow and efficiency. While command-line operations are typically associated with advanced tasks, there are tools that allow you…
Open Files and Directories from the Terminal with Ease
Opening files or directories directly from the terminal can significantly improve your workflow and efficiency. While command-line operations are typically associated with advanced tasks, there are tools that allow you…
idolinux.com
May 30, 2025 at 11:10 PM
In Unix and Linux systems, the $SHELL environment variable indicates the parent shell that initiated your current session. This can be useful for understanding the runtime environment, particularly when troubleshooting…
Understanding the $SHELL Environment Variable in Unix and Linux
In Unix and Linux systems, the $SHELL environment variable indicates the parent shell that initiated your current session. This can be useful for understanding the runtime environment, particularly when troubleshooting…
idolinux.com
May 29, 2025 at 10:10 PM
The Linux kernel is the core component of any Linux operating system, managing hardware resources and system processes. Installing the latest Linux Kernel 6.15 on Ubuntu, Debian, and their derivatives…
How To Install Kernel 6.15 On Ubuntu, Debian And Derivative Systems
The Linux kernel is the core component of any Linux operating system, managing hardware resources and system processes. Installing the latest Linux Kernel 6.15 on Ubuntu, Debian, and their derivatives…
idolinux.com
May 28, 2025 at 11:05 PM
The release of AlmaLinux OS 10 marks an important moment for the open-source Linux community, especially for organizations and users looking for a reliable, free alternative to Red Hat Enterprise…
AlmaLinux OS 10: A Major Leap Forward for Open-Source Enterprise Linux
The release of AlmaLinux OS 10 marks an important moment for the open-source Linux community, especially for organizations and users looking for a reliable, free alternative to Red Hat Enterprise…
idolinux.com
May 28, 2025 at 10:17 PM
ClickFix is a new and stealthy type of fileless malware that specifically targets Linux environments. Unlike traditional malware, ClickFix doesn’t rely on writing files to disk. Instead, it lives in…
Understanding ClickFix: How This Fileless Malware Targets Linux Systems
ClickFix is a new and stealthy type of fileless malware that specifically targets Linux environments. Unlike traditional malware, ClickFix doesn’t rely on writing files to disk. Instead, it lives in…
idolinux.com
May 28, 2025 at 9:55 PM
When working with text files, it’s extremely helpful to know how to quickly count how many times a specific string appears. This technique can come in handy during log analysis,…
Count How Many Times a String Appears in a File with a One-Liner
When working with text files, it’s extremely helpful to know how to quickly count how many times a specific string appears. This technique can come in handy during log analysis,…
idolinux.com
May 27, 2025 at 1:08 PM
In Unix-like systems, links allow files to reference one another under different names or locations. Understanding symbolic (soft) links and hard links is essential for any Linux user, especially when…
Understanding Symbolic and Hard Links in Linux and Unix
In Unix-like systems, links allow files to reference one another under different names or locations. Understanding symbolic (soft) links and hard links is essential for any Linux user, especially when…
idolinux.com
May 27, 2025 at 1:02 PM
Creating users manually in Linux or Unix is a valuable skill that provides a deeper understanding of how user management works under the hood. While the useradd command offers a…
How to Manually Create a User in Linux and Unix (Step-by-Step Guide)
Creating users manually in Linux or Unix is a valuable skill that provides a deeper understanding of how user management works under the hood. While the useradd command offers a…
idolinux.com
May 26, 2025 at 11:50 AM
When getting started with Linux or Unix, the command line interface can seem overwhelming. However, learning just a few basic commands can dramatically increase your ability to interact with the…
15 Basic Commands Every Linux and Unix User Should Know How to Use
When getting started with Linux or Unix, the command line interface can seem overwhelming. However, learning just a few basic commands can dramatically increase your ability to interact with the…
idolinux.com
May 26, 2025 at 10:08 AM
When working in a Linux or Unix environment, command-line tools like basename and dirname are fundamental for handling file paths. They become especially handy when you’re writing shell scripts or…
The Linux and Unix Basename and Dirname Commands with Examples
When working in a Linux or Unix environment, command-line tools like basename and dirname are fundamental for handling file paths. They become especially handy when you’re writing shell scripts or…
idolinux.com
May 23, 2025 at 12:53 AM
When working with both Bash and Zsh, it can be incredibly helpful to maintain a consistent shell environment across both. Whether you’re scripting, switching between shells for different projects, or…
Sharing PATH, Aliases, and Functions Between Bash and Zsh
When working with both Bash and Zsh, it can be incredibly helpful to maintain a consistent shell environment across both. Whether you’re scripting, switching between shells for different projects, or…
idolinux.com
May 23, 2025 at 12:29 AM
If you’re using Linux and want to check what hardware your machine is running, you’re in luck. Linux provides several built-in tools and utilities to display detailed information about your…
How to Find Your Computer Hardware Information on Linux
If you’re using Linux and want to check what hardware your machine is running, you’re in luck. Linux provides several built-in tools and utilities to display detailed information about your…
idolinux.com
May 15, 2025 at 9:28 AM
The Linux kernel is the core component of any Linux operating system, managing hardware resources and system processes. Installing the latest Linux kernel release candidate, like Kernel 6.15 RC6, can…
How To Install Kernel 6.15 RC6 On Ubuntu, Debian And Derivative Systems
The Linux kernel is the core component of any Linux operating system, managing hardware resources and system processes. Installing the latest Linux kernel release candidate, like Kernel 6.15 RC6, can…
idolinux.com
May 15, 2025 at 9:18 AM