How to Get Email Alerts for SSH Logins (Root & Users)

How to Get Email Alerts for SSH Logins (Root & Users)

The post How to Get Root and User SSH Login Email Alerts first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

Whenever we install, configure, and secure Linux servers in a production environment, it’s crucial to keep track of what is happening on the servers and

The post How to Get Root and User SSH Login Email Alerts first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

Mutt: Send and Read Emails from Linux Terminal

Mutt: Send and Read Emails from Linux Terminal

The post Mutt – A Command Line Email Client to Send Mails from Terminal first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

As a system administrator, there are occasions when we need to send emails to users or others directly from the server. Traditionally, we’ve relied on

The post Mutt – A Command Line Email Client to Send Mails from Terminal first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

Embracing the Future: The Transition from SysVinit to Systemd in Linux

Embracing the Future: The Transition from SysVinit to Systemd in Linux

Introduction Linux, the powerhouse behind countless servers and desktops worldwide, relies heavily on an initialization (init) system to bootstrap user space and manage system processes after booting. Traditionally, this role was fulfilled by SysVinit, the standard init system derived from the UNIX System V operating system. However, the evolving complexity and needs of modern computing…

Understanding the Basics of SELinux Policy Management on CentOS

Understanding the Basics of SELinux Policy Management on CentOS

Introduction In the vast ocean of Linux security, SELinux stands as a stalwart guardian, often misunderstood yet crucial for safeguarding systems against potential threats. As administrators and users delve deeper into the realms of CentOS, mastering SELinux policy management becomes imperative for ensuring robust security configurations. This article aims to demystify SELinux policy management on…

Simplify Your Life with Taskwarrior’s Intuitive Linux Job Scheduling

Simplify Your Life with Taskwarrior’s Intuitive Linux Job Scheduling

Introduction In the digital age, the ability to effectively manage time and tasks is invaluable, especially for those who work in technology and software development. Linux users, known for their preference for powerful, flexible tools, have various options for task management and scheduling. One of the standout tools in this area is Taskwarrior, a command-line…

How to Upgrade from Ubuntu 22.04 LTS to Ubuntu 24.04 LTS

How to Upgrade from Ubuntu 22.04 LTS to Ubuntu 24.04 LTS

The post How to Upgrade Ubuntu 22.04 LTS to 24.04 LTS first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

The stable version of Ubuntu 24.04 LTS (code-named Noble Numbat) is released on April 25th 2024, if you are curious to know what is in

The post How to Upgrade Ubuntu 22.04 LTS to 24.04 LTS first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

Developing Robust Integration of Linux and IoT Solutions

Developing Robust Integration of Linux and IoT Solutions

The Internet of Things (IoT) represents a vast frontier for innovation, promising to connect and automate our world in ways we’re just beginning to understand. Linux, known for its stability, security, and open-source nature, stands as a preferred operating system for many IoT devices. This article delves into how you can leverage Linux to build…

How to Install PHP 8.3 in RHEL 9 Linux

How to Install PHP 8.3 in RHEL 9 Linux

PHP is a popular programming language used for building dynamic web applications. With the release of PHP 8.3, developers gain access to new features and improvements. For this guide, we will be operating the system as root, if that is not the case for you, make use of the sudo command to acquire root privileges….

How to Protect Your Files from Accidental Deletion in Linux

How to Protect Your Files from Accidental Deletion in Linux

The post How to Make File and Directory Undeletable, Even By Root in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

On Unix-like operating systems including Linux, root is the account or user name that by default can modify all directories and files on a system.

The post How to Make File and Directory Undeletable, Even By Root in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

How to Enable/Disable SELinux Booleans for Apache

How to Enable/Disable SELinux Booleans for Apache

The post How to Enable or Disable SELinux Booleans for Apache first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

SELinux, or Security-Enhanced Linux, is a security mechanism for mandatory access control (MAC) implemented in the Linux kernel to add an extra layer of protection

The post How to Enable or Disable SELinux Booleans for Apache first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

How to Change Priority of a Running Process in Linux

How to Change Priority of a Running Process in Linux

The post How to Set Priority of a Running Process in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

In this article, we’ll briefly explain the kernel scheduler (also known as the process scheduler), and process priority, which are topics beyond the scope of

The post How to Set Priority of a Running Process in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

5 Different Types of Shell Commands in Linux

5 Different Types of Shell Commands in Linux

The post 5 Different Types of Shell Commands and Their Usage in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

When it comes to gaining absolute control over your Linux system, then nothing comes close to the command line interface (CLI). In order to become

The post 5 Different Types of Shell Commands and Their Usage in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

BCC – Dynamic Linux Tracing Tools for Network & Monitoring

BCC – Dynamic Linux Tracing Tools for Network & Monitoring

The post BCC – Tracing Tools for Linux IO, Networking, Monitoring, and More first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

BCC (BPF Compiler Collection) is a powerful set of appropriate tools and example files for creating resourceful kernel tracing and manipulation programs. It utilizes extended

The post BCC – Tracing Tools for Linux IO, Networking, Monitoring, and More first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

How to Install LAMP (Apache, MariaDB, PHP) on Fedora 40

How to Install LAMP (Apache, MariaDB, PHP) on Fedora 40

The post Setting Up LAMP (Apache, MariaDB, PHP) on Fedora 40 Server first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

After installing the Fedora 40 server edition, you might want to host a website on your server. To do this, you need a reliable server

The post Setting Up LAMP (Apache, MariaDB, PHP) on Fedora 40 Server first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

How to Lock Your Linux Terminal with vlock

How to Lock Your Linux Terminal with vlock

The post vlock: The Smart Way to Lock Your Linux Terminal first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

Virtual consoles are very important features of Linux, and they provide a system user a shell prompt to use the system in a non-graphical setup

The post vlock: The Smart Way to Lock Your Linux Terminal first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

Fortifying Cyber Defense With the Power of Linux Intrusion Detection and Prevention Systems

Fortifying Cyber Defense With the Power of Linux Intrusion Detection and Prevention Systems

Introduction In the vast and ever-evolving realm of cybersecurity, the need for robust defense mechanisms has never been more pressing. With cyber threats growing in sophistication and frequency, organizations must deploy proactive measures to safeguard their networks and sensitive data. Among these measures, Intrusion Detection and Prevention Systems (IDPS) stand as stalwart guardians, tirelessly monitoring…

How to Use Compound Expressions with Awk in Linux – Part 5

How to Use Compound Expressions with Awk in Linux – Part 5

The post How to Use Compound Expressions with Awk in Linux – Part 5 first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

All along, we have been looking at simple expressions when checking whether a condition has been met or not. What if you want to use

The post How to Use Compound Expressions with Awk in Linux – Part 5 first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

How to Use Comparison Operators with Awk in Linux – Part 4

How to Use Comparison Operators with Awk in Linux – Part 4

The post How to Use Comparison Operators & Data Filtering with Awk – Part 4 first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

When dealing with numerical or string values in a line of text, filtering text or strings using comparison operators comes in handy for awk command

The post How to Use Comparison Operators & Data Filtering with Awk – Part 4 first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

Strengthening Linux Security by Auditing with OpenSCAP

Strengthening Linux Security by Auditing with OpenSCAP

Introduction In today’s digital landscape, where cyber threats are becoming increasingly sophisticated, ensuring the security of Linux systems is paramount. Security auditing plays a pivotal role in identifying and mitigating vulnerabilities, safeguarding sensitive data, and maintaining regulatory compliance. One powerful tool that aids in this endeavor is OpenSCAP. In this guide, we’ll delve into the…

fswatch – Monitor File and Directory Changes in Linux

fswatch – Monitor File and Directory Changes in Linux

The post fswatch – Track File and Directory Changes in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

fswatch is a cross-platform, file change monitor that gets notification alerts when the contents of the specified files or directories are altered or modified. It

The post fswatch – Track File and Directory Changes in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

Tasksel – Easily Install Software Groups in Debian & Ubuntu

Tasksel – Easily Install Software Groups in Debian & Ubuntu

The post Tasksel – Quickly Install Software Groups in Debian and Ubuntu first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

One of the several tasks that a Linux user is bound to handle is software installation. There are possibly two methods, especially on Debian-based distributions

The post Tasksel – Quickly Install Software Groups in Debian and Ubuntu first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

Dool – A Real-Time Linux Server Performance Monitoring Tool

Dool – A Real-Time Linux Server Performance Monitoring Tool

The post Dool – All-in-One Linux Server Performance Monitoring Tool first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

Some of the popular and frequently used system resource-generating tools available on the Linux platform include vmstat, netstat, iostat, ifstat, and mpstat. They are used

The post Dool – All-in-One Linux Server Performance Monitoring Tool first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

12 Best Free Command Line Games for Linux Users

12 Best Free Command Line Games for Linux Users

The post 12 Amazing Terminal Based Games for Linux Enthusiasts first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

When you’re a Linux power user, mastering the command line is essential. Using commands to control the system gives users more power and control over the

The post 12 Amazing Terminal Based Games for Linux Enthusiasts first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

Rebuilding and Modifying Debian Packages

Rebuilding and Modifying Debian Packages

Introduction The Debian packaging system is an integral part of managing software on Debian and its derivatives like Ubuntu. It facilitates the installation, upgrade, and removal of software packages. Sometimes, however, the available binary packages may not meet all the specific requirements of a user or organization, be it due to the need for a…

apt-fast: Speeds Up APT Package Downloads on Ubuntu

apt-fast: Speeds Up APT Package Downloads on Ubuntu

The post apt-fast: Speeds Up Your APT Package Downloads in Ubuntu first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

In this editorial, we take a look at a great and powerful utility called apt-fast that you can use to speed up downloading packages by

The post apt-fast: Speeds Up Your APT Package Downloads in Ubuntu first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

Understanding Backup and Disaster Planning Solutions for Linux

Understanding Backup and Disaster Planning Solutions for Linux

In today’s digital age, the reliability and integrity of computer systems are more critical than ever. For Linux systems, which are widely used in servers and critical infrastructure, ensuring rapid recovery from failures is paramount. This article dives deep into the essentials of Linux system recovery, offering insights into effective backup strategies and disaster planning….