Tips & Tricks to Take Your Linux Security to the Next Level

Discover How To Learn Tips And Tricks HOWTOs

How To Strengthen Linux Kernel Security with Lockdown Mode and Kernel Self-Protection

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The Linux kernel serves as the heart and soul of our much-loved OS, orchestrating computer and software functions within kernel space to protect user actions in user space from accidental or malicious file changes occurring outside kernel space. While kernel security may seem straightforward at first glance, protecting essential system files is critical and requires robust security features due to potential local and remote attacks.

Brittany Day
Jul 20, 2024

Switching From Windows to Linux is Easy with Ubuntu Cinnamon

Are you a Windows user looking to smoothly transition to Linux for its various benefits, including security, stability, and the vibrant community surrounding the much-loved open-source OS? If so, you shouldn't overlook Ubuntu Cinnamon. The distro offers a secure, reliable, and customizable interface that facilitates a seamless transition from Windows.

Brittany Day
Jun 22, 2024

How To Manage Linux System Services for Improved Security and Hardening

One of the most important responsibilities in Linux system administration is managing services. Services are long-running programs that provide different functionalities for users, local systems, or remote computers.

Anthony Pell
Jun 22, 2024

Automating Security Audits with Lynis on Linux Systems

System security is a crucial aspect of Linux administration. Securing every aspect of the system can be difficult as soon as we have several software packages, user accounts, and settings. It is, therefore, important to use a script like Lynis to check for potential security flaws and attack surfaces.

Anthony Pell
Jun 07, 2024

Using Logwatch for Basic Security Monitoring on Linux

Linux systems log a great deal of information. Each system service you install has its own log or logs, not just those generated by dmesg or the boot log. It is not uncommon to find thousands of entries in these files over a short period of time.

Anthony Pell
May 21, 2024

Practical Examples: Understanding and Using the Sudo Command in Linux

The tutorial linked below will walk you through the basic commands of sudo. The sudo command allows a user to run a command either as the superuser or as another user. This is determined by the security policies in the sudoers files.

Brittany Day
May 21, 2024

How To Access Your Raspberry Pi Remotely with Raspberry Pi Connect

Raspberry Pi has announced the beta release of Raspberry Pi Connect as "a secure and easy-to-use way to access your Raspberry Pi remotely, from anywhere on the planet, using just a web browser."

Brittany Day
May 08, 2024

How To Strengthen Linux Security by Auditing with OpenSCAP

Linux system security is essential in today's digital world, where cyber threats are becoming more sophisticated. Security auditing is crucial in identifying and mitigating vulnerabilities, protecting sensitive data, and maintaining regulatory compliance.

Anthony Pell
May 04, 2024

How to Manage XDP/eBPF Effectively for Better DDoS Protection

Extended Berkeley Packet Filter (eBPF) maps are a sophisticated interface that allows atomic updates to shared memory segments. These segments act as shared memory and provide a robust interface for eBPF program configuration.

Brittany Day
May 04, 2024

How To Combat Software Challenges in Ubuntu 24.04 LTS

Ubuntu 24.04 brings many updates, including Linux kernel 6.8, various toolchain improvements, enhanced security, and new management tools.

Brittany Day
May 04, 2024

How To Upgrade to Ubuntu 24.04 LTS Noble Numbat

Ubuntu 24.04, "Noble Numbat," was released on April 25. It is Ubuntu's 10th LTS release and contains several performance and security improvements. Ubuntu 23.10, "Mantic Minotaur," released on October 20, 2023, will receive security updates until July 2024. There's still no reason why you shouldn't upgrade to 24.04 now.

Dave Wreski
May 04, 2024

How To Check RDP Service in Linux Offered by XRDP

XRDP is an open-source RDP implementation that we use to enable Remote Desktop Protocol on Linux. Managing XRDP remote desktop sessions in Linux can be difficult if you're not familiar with the process.

Brittany Day
Apr 22, 2024

How to Install & Run Podman on Rocky Linux

Docker is a popular container runtime engine due to its simplicity. However, Red Hat changed its support for Docker, causing users to switch to Podman.

Brittany Day
Apr 12, 2024

How To Improve Linux Kernel Security for Embedded Systems

Securing the Linux kernel in embedded systems is critically important, as these systems are widely used in various industries, ranging from IoT devices and industrial control systems to automotive and medical devices. Neglecting the security of the Linux kernel can have severe consequences, leading to potential breaches and exploits.

Brittany Day
Apr 01, 2024

How To Update Signatures on Linux Endpoints with Offline Security Intelligence Update

Microsoft has announced that Offline Security Intelligence Update is now in Public Preview. According to Microsoft, "Organizations can now update security intelligence (also referred to as “signatures”) on Linux endpoints with limited or no exposure to the internet using a local hosting server. Exercise better control over the download and deployment of signatures on their Linux servers running critical workloads."

Anthony Pell
Apr 01, 2024

How To Use sudo Insults to Add Spice to Incorrect Password Attempts

"The life of an admin doesn't have to be dry. For example, when a user enters a wrong password, why not respond with a message that says, 'You're fired!' With sudo insults, you can."

Dave Wreski
Mar 29, 2024

Linux: Run a Single Command across Multiple Servers with SSH

"You don't always need third-party software to control multiple Linux servers — not when a bit of scripting magic can get the job done."

Brittany Day
Mar 23, 2024

Linux Supply Chain Validation Cheat Sheet

Linux offers several tools and techniques to users that enable them to search systems for information on hardware and firmware. This information does not validate a supply chain.

Anthony Pell
Mar 21, 2024

How To Deploy Software to Linux-Based IoT Devices at Scale

The Internet of Things (IoT) has changed the way people interact with the world. It connects a wide range of devices, from smart thermostats at home to industrial sensors used in manufacturing plants. Many IoT products use Linux due to its robustness, flexibility, and open-source nature.

Brittany Day
Mar 20, 2024

How To Check if Your Linux Server Has Been Hacked

Linux SSH servers are a favorite target among cyber attackers due to their ability to provide remote command-line access. This ability positions them as essential conduits for controlling and managing server operations.

Brittany Day
Mar 09, 2024

Linux Learn Tips and Tricks

How To Strengthen Linux Kernel Security with Lockdown Mode and Kernel Self-Protection

Switching From Windows to Linux is Easy with Ubuntu Cinnamon

How To Manage Linux System Services for Improved Security and Hardening

Discover How To Learn Tips And Tricks HOWTOs

How To Strengthen Linux Kernel Security with Lockdown Mode and Kernel Self-Protection

Switching From Windows to Linux is Easy with Ubuntu Cinnamon

How To Manage Linux System Services for Improved Security and Hardening

Automating Security Audits with Lynis on Linux Systems

Using Logwatch for Basic Security Monitoring on Linux

Practical Examples: Understanding and Using the Sudo Command in Linux

How To Access Your Raspberry Pi Remotely with Raspberry Pi Connect

How To Strengthen Linux Security by Auditing with OpenSCAP

How to Manage XDP/eBPF Effectively for Better DDoS Protection

How To Combat Software Challenges in Ubuntu 24.04 LTS

How To Upgrade to Ubuntu 24.04 LTS Noble Numbat

How To Check RDP Service in Linux Offered by XRDP

How to Install & Run Podman on Rocky Linux

How To Improve Linux Kernel Security for Embedded Systems

How To Update Signatures on Linux Endpoints with Offline Security Intelligence Update

How To Use sudo Insults to Add Spice to Incorrect Password Attempts

Linux: Run a Single Command across Multiple Servers with SSH

Linux Supply Chain Validation Cheat Sheet

How To Deploy Software to Linux-Based IoT Devices at Scale

How To Check if Your Linux Server Has Been Hacked

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