Linux - Information Technology Zone

Working with PDF files on Linux

Network World

DECEMBER 10, 2024

PDF tools on Linux Most if not all Linux distributions provide PDF viewers and tools that allow saving documents as PDF files, but not necessarily PDF editors. In addition, Foxit PDF Reader is free and available for Linux. The variety of tools available for use on Linux systems as well as others is quite impressive.

Linux

Linux Adobe Open Source Tools

5 Linux commands for measuring disk activity

Network World

NOVEMBER 12, 2024

Linux provides quite a few useful commands for gauging disk activity. The dstat command provides valuable insights into overall Linux system performance, pretty much replacing a collection of older tools, such as vmstat, netstat, iostat, and ifstat, with a flexible and powerful command that combines their features. iostat Linux 6.8.9-100.fc38.x86_64

Linux

Linux System Report Examples

Linux fundamentals: Viewing files, commands, processes and systems

Network World

DECEMBER 2, 2024

Linux provides a useful array of commands for managing file permissions, getting information on commands, displaying running processes and displaying details on the system itself. Without this, it will likely just respond with “Linux”. Without this, it will likely just respond with “Linux”.

Linux

Linux System Windows Examples

Webinars

Agent Tooling: Connecting AI to Your Tools, Systems & Data

Automation, Evolved: Your New Playbook for Smarter Knowledge Work

From Curiosity to Competitive Edge: How Mid-Market CEOs Are Using AI to Scale Smarter

MORE WEBINARS

Linux Foundation Networking shares new AI projects, milestone releases

Network World

APRIL 2, 2025

The Linux Foundations networking division (LF Networking) is continuing to grow both its mandate and project roster in 2025. For resolving complexity, LF Networking is creating super blueprints that serve as reference implementations for cloud-native network services.

Linux

Linux Network Open Source Survey

Examining disk space on Linux

Network World

JANUARY 8, 2025

There are many ways to evaluate disk space usage on Linux, and this post examines a number of commands that allow you to view used and available disk space. Linux filesystem Disk /dev/zram0: 3.7 By default, the command reports disk usage in kilobytes. # df -h Filesystem Size Used Avail Use% Mounted on devtmpfs 4.0M 0% /dev tmpfs 1.9G

Linux

Linux Report System Storage

How to examine files on Linux

Network World

OCTOBER 24, 2024

There are many types of files on Linux systems and numerous ways to look at them, from listing permissions to viewing content. Permissions and ownership Listing files on Linux with the ls -l command provides information on the file’s owner and associated group. You just need to pick the right command to get the information you need.

Linux

Linux How To Examples Groups

At long last, OpenStack (now known as OpenInfra Foundation) joins Linux Foundation

Network World

MARCH 12, 2025

One of the leading options was to join the Linux Foundation, but that didnt happen. Now, OpenStack and the OpenInfra Foundation are moving to the Linux Foundation. The Linux Foundation has emerged over the last 20 years to be the preeminent open-source organization for commercially viable technologies.

Linux

Linux Open Source Government Artificial Intelligence

Linux command line for beginners: 12 essential commands

Network World

NOVEMBER 19, 2024

Getting started on the Linux command line might seem overwhelming at first, but the many commands you need to use will fall into place more quickly than you might imagine. First, when you open a command terminal or log into a remote Linux server, you will be sitting at the command prompt. Linux systems tend to be fussy about passwords.

Linux

Linux Examples Groups System

Adding, managing and deleting groups on Linux

Network World

MARCH 20, 2025

User groups on Linux systems are often set up to provide access permissions to specific groups of users who share some responsibility. sudo groupdel techs Wrap-up Setting up and managing groups on Linux systems can help when you need to assign specific privileges to particular groups of people.

Linux

Linux Groups Examples System

More math on the Linux command line

Network World

MAY 8, 2025

Linux provides quite a few commands that let you do math on the command line. Which is best depends on the kind of math that youre doing and the precision that youre expecting. This post covers five different commands with examples of how to use them and expands upon my earlier post.

Linux

Linux Examples How To

Red Hat Enterprise Linux 9.5 gains security, networking upgrades

Network World

NOVEMBER 15, 2024

Red Hat is out this week with the latest milestone update of its flagship Linux platform. Red Hat Enterprise Linux 9.5 Red Hat Enterprise Linux 9.x Red Hat Enterprise Linux 9.x Firewalld is a commonly used Linux firewall service while notables provides filtering and classification of network packets.

Linux

Linux Network Enterprise Enterprise

Linux Foundation’s L3AF brings zero-downtime updates to eBPF network management

Network World

FEBRUARY 3, 2025

The Linux Foundations networking division (LF Networking) is helping to address that challenge with the L3AF project, which is based on eBPF (extended Berkeley Packet Filter ) technology. He explained that L3AF offers deep visibility into network infrastructure components that are usually hidden outside of the Linux kernel.

Linux

Linux Network Retail Devops

Alert to Kali Linux admins: Get the new signing key or no distro updates for you

Network World

APRIL 29, 2025

Kali Linux administrators who havent manually updated the signing key for the operating systems repository are going to find that they cant get updates.

Linux

Linux Open Source Operating Systems System

Proof-of-concept bypass shows weakness in Linux security tools, claims Israeli vendor

Network World

APRIL 25, 2025

An Israeli vendor was able to evade several leading Linux runtime security tools using a new proof-of-concept (PoC) rootkit that it claims reveals the limitations of many products in this space.

Linux

Linux Tools Security Cloud

New tweak to Linux kernel could cut data center power usage by up to 30%

Network World

JANUARY 28, 2025

An improvement to the way Linux handles network traffic, developed by researchers at Canadas University of Waterloo, could make data center applications run more efficiently and save energy at the same time. of the Linux kernel. The new code was accepted and added to version 6.13

Data Center

Data Center Linux Data Energy

Managing and monitoring user accounts on Linux

Network World

MARCH 24, 2025

There are a number of commands on Linux that you can use to manage user accounts and monitor user activity. This post provides details on the commands that you need to know if you are managing a Linux server and the user accounts on that system. ls -l /usr/sbin/useradd /usr/sbin/adduser lrwxrwxrwx.

Linux

Linux Groups System Examples

10 Linux commands for testing connectivity and transfer rates

Network World

MARCH 4, 2025

There are quite a few tools that can help test your connectivity on the Linux command line. ping statistics 3 packets transmitted, 3 received, 0% packet loss, time 2003ms rtt min/avg/max/mdev = 2.867/4.361/5.859/1.221 ms On Linux systems, the pings will continue until you type^cto stop them. ping 192.168.0.11 ms ^C 192.168.0.11

Linux

Linux Network System Tools

8 unusual Linux commands

Network World

APRIL 15, 2025

This post examines eight somewhat unusual Linux commands that are worth knowing. Every 10.0s: date fedora: Wed Apr 9 14:00:42 2025 Wed Apr 9 02:00:42 PM EDT 2025 Wrap-up Working on the Linux command line can be both profitable and fun, and theres always something new to learn. echo Hello, World! | dlroW ,olleH $ echo Hello, World! |

Linux

Linux Examples System How To

7 time-saving Linux commands

Network World

FEBRUARY 18, 2025

Some Linux commands can make your time on the command line easier and more productive. This post covers some commands that can come in very handy. Using the tldr command to simplify man pages The tldr command displays simplified man pages, providing practical examples of how to use a command and its options.

Linux

Linux Backup Examples System

Linux in your car: Red Hat’s milestone collaboration with exida

Network World

JUNE 17, 2024

Red Hat today announced the Linux math library (libm.so While it may not be obvious to all of us, Linux is playing an increasingly important role in the automotive industry. In fact, even the car you’re driving today could be using Linux in some capacity. Open source places a huge role in the automotive use of Linux.

Linux

Linux Automotive Open Source Operating Systems

10 ways to use the sed command on Linux

Network World

MARCH 13, 2025

The sed command on Linux can be used in quite a few different ways. This stream editor (as the name implies) provides options to help you manipulate text very efficiently. Once you become familiar with the sed command syntax, youll likely come to appreciate its functionality and use it quite often.

Linux

Linux Meeting 3D Course

Linux and open source: The biggest issue in 2020

Tech Republic Security

NOVEMBER 18, 2020

This year was rough for all involved--even Linux and open source didn't come through unscathed. See what Jack Wallen considers to be the biggest issue for Linux in 2020.

Open Source

Open Source Linux

Red Hat delivers AI-optimized Linux platform

Network World

SEPTEMBER 5, 2024

Open-source powerhouse Red Hat jumped into the generative AI space three months ago, announcing a new AI-focused vision for its Linux operating system at its annual summit. Today, that vision became a reality with the general availability of Red Hat Enterprise Linux AI.

Linux

Linux Open Source Training Enterprise

How to install fail2ban on Rocky Linux and AlmaLinux

Tech Republic Security

SEPTEMBER 3, 2021

Fail2ban should be on every one of your Linux servers. If you've yet to install it on either Rocky Linux or AlmaLinux, Jack Wallen is here to help you out with that.

Linux

Linux How To

Red Hat to acquire Neural Magic

Network World

NOVEMBER 12, 2024

Read more Red Hat news Red Hat delivers AI-optimized Linux platform Red Hat seeks to be the platform for enterprise AI Linux in your car: Red Hat’s milestone collaboration with exida Red Hat extends Lightspeed generative AI tool to OpenShift and Enterprise Linux Red Hat unveils image mode for its Linux distro Red Hat introduces ‘policy as code’ for (..)

Linux

Linux Open Source Architecture Licensing

Royal ransomware spreads to Linux and VMware ESXi

Tech Republic Security

FEBRUARY 10, 2023

A new Linux version of Royal ransomware is targeting VMware ESXi virtual machines. The post Royal ransomware spreads to Linux and VMware ESXi appeared first on TechRepublic. Learn more about this security threat and how to protect from it.

Vmware

Vmware Linux Virtualization Security

Securing Linux Policy

Tech Republic Security

SEPTEMBER 4, 2023

Linux is a powerful and customizable operating system that has been the backbone of many businesses for decades. This policy from TechRepublic Premium provides guidelines for securing Linux on company computers and computers used to conduct company business. From the policy: DEVELOP TEMPLATES BASED ON.

Linux

Linux Policies Security Guidelines

New Alchimist attack framework hits Windows, Linux and Mac

Tech Republic Security

OCTOBER 13, 2022

The post New Alchimist attack framework hits Windows, Linux and Mac appeared first on TechRepublic. The attack framework of probable Chinese origin used by cybercriminals has been discovered.

Linux

Linux Windows Open Source Malware

Linux 101: How to give users sudo privileges on Ubuntu and Red Hat-based Linux distributions

Tech Republic Security

MARCH 29, 2021

New Linux admins need to know how to give and take sudo privileges from users. Jack Wallen shows you how on both Ubuntu- and Red Hat-based Linux distributions.

Linux

Linux How To

How to properly secure sysctl on Linux

Tech Republic Security

MAY 7, 2020

Protecting your Linux servers against SYN attacks and IP spoofing isn't nearly as hard you think. Jack Wallen shows you how.

Linux

Linux How To Security

How to View Your SSH Keys in Linux, macOS and Windows

Tech Republic Security

JUNE 29, 2023

If you're not sure how to view your SSH certificates, this article walks you through the steps on Linux, macOS and Windows. The post How to View Your SSH Keys in Linux, macOS and Windows appeared first on TechRepublic.

Linux

Linux Windows How To Open Source

Microsoft gives Linux a security boost with these new attack detection tools

Tech Republic Security

NOVEMBER 19, 2020

Linux endpoint detection and response will help Microsoft Defender customers secure Linux servers and networks against security nasties.

Linux

Linux Microsoft Security Tools

How to create a Linux user that cannot log in

Tech Republic Security

FEBRUARY 25, 2020

For security reasons, you might need to create a Linux user without the ability to log in. Jack Wallen shows you how.

Linux

Linux How To Security

Ubuntu namespace vulnerability should be addressed quickly: Expert

Network World

MARCH 28, 2025

Linux admins who have enabled the unprivileged user namespace restriction in their recent Ubuntu environments should take action to close three new vulnerabilities that allow a threat actor to bypass the supposed protection. It didnt quite do that. Ubuntu says admins of releases after version 23.10

Linux

Linux Programming Security Applications

IBM extends z15 mainframe family, intensifies Linux security

Network World

APRIL 14, 2020

IBM continued to reshape the mainframe with an eye toward further integrating it within hybrid clouds and securing Linux -based workloads. On the hardware side, IBM rolled out two entry-level, 19” single-frame, air-cooled platforms, the z15 Model T02 and LinuxONE III Model LT2.

IBM

IBM Linux Security Hardware

10 essential Linux tools for network and security pros

Network World

APRIL 7, 2022

Picking just 10 Linux open source security tools isn’t easy, especially when network professionals and security experts have dozens if not several hundred tools available to them. There are different sets of tools for just about every task—network tunneling, sniffing, scanning, mapping. To read this article in full, please click here

Linux

Linux Tools Network Security

SUSE Edge upgrade targets Kubernetes and Linux at the edge

Network World

OCTOBER 15, 2024

Open source and Linux platform vendor SUSE is looking to help organizations solve some of the complexity and challenges of edge computing with the company’s SUSE Edge 3.1 SUSE Edge integrates SUSE Linux Micro, which is an optimized Linux distribution for smaller deployments based on the company’s flagship SUSE Linux Enterprise (SLE).

Linux

Linux Load Balancer Open Source Network

How to prevent fork bombs on your Linux development servers

Tech Republic Security

MARCH 28, 2023

Learn how to protect your Linux server from the fork bomb denial-of-service attack with this video tutorial by Jack Wallen. The post How to prevent fork bombs on your Linux development servers appeared first on TechRepublic.

Linux

Linux Development How To Video

How to install Webmin on Rocky Linux

Tech Republic Security

AUGUST 13, 2021

With Webmin, you can better secure and manage your instances of Rocky Linux. Jack Wallen walks you through the process of getting this web-based tool up and running.

Linux

Linux How To Tools Security

How to check for and stop DDoS attacks on Linux

Tech Republic Security

JANUARY 21, 2021

Jack Wallen walks you through some of the steps you can take to check for and mitigate distributed denial of service attacks on a Linux server.

Linux

Linux How To

Kali Linux 2022.1 is your one-stop-shop for penetration testing

Tech Republic Security

FEBRUARY 24, 2022

Kali Linux has been a fan-favorite for penetration testing for a long time, and with a refresh and new tools, the latest iteration is better than ever. The post Kali Linux 2022.1 is your one-stop-shop for penetration testing appeared first on TechRepublic.

Linux

Linux Tools Open Source Security

Key rules for Linux sysadmins

Network World

AUGUST 9, 2024

I spent more than 30 years managing Linux servers. Rule 1: Never do anything you can’t back out of Always be fully aware of the impact of the changes you are making on a Linux system, and know how to back out the changes if something goes wrong. Pursue other interests. Stay happy.

Linux

Linux Disaster Recovery Backup System

Why I'm not concerned about the rise in Linux attacks

Tech Republic Security

DECEMBER 15, 2020

Jack Wallen explains why he's not worried that the rise in popularity of the Linux operating system will mean your open source platforms will be vulnerable to attacks.

Linux

Linux Open Source Operating Systems System

How to hide files from any file manager on the Linux desktop

Tech Republic Security

AUGUST 13, 2020

Want to hide files and folders from your Linux desktop file manager? Jack Wallen shows you one handy method.

Linux

Linux How To

Working with PDF files on Linux

5 Linux commands for measuring disk activity

Webinars

Trending Sources

Linux fundamentals: Viewing files, commands, processes and systems

Webinars

Linux Foundation Networking shares new AI projects, milestone releases

Examining disk space on Linux

How to examine files on Linux

At long last, OpenStack (now known as OpenInfra Foundation) joins Linux Foundation

Linux command line for beginners: 12 essential commands

Adding, managing and deleting groups on Linux

More math on the Linux command line

Red Hat Enterprise Linux 9.5 gains security, networking upgrades

Linux Foundation’s L3AF brings zero-downtime updates to eBPF network management

Alert to Kali Linux admins: Get the new signing key or no distro updates for you

Proof-of-concept bypass shows weakness in Linux security tools, claims Israeli vendor

New tweak to Linux kernel could cut data center power usage by up to 30%

Managing and monitoring user accounts on Linux

10 Linux commands for testing connectivity and transfer rates

8 unusual Linux commands

7 time-saving Linux commands

Linux in your car: Red Hat’s milestone collaboration with exida

10 ways to use the sed command on Linux

Linux and open source: The biggest issue in 2020

Red Hat delivers AI-optimized Linux platform

How to install fail2ban on Rocky Linux and AlmaLinux

Red Hat to acquire Neural Magic

Royal ransomware spreads to Linux and VMware ESXi

Securing Linux Policy

New Alchimist attack framework hits Windows, Linux and Mac

Linux 101: How to give users sudo privileges on Ubuntu and Red Hat-based Linux distributions

How to properly secure sysctl on Linux

How to View Your SSH Keys in Linux, macOS and Windows

Microsoft gives Linux a security boost with these new attack detection tools

How to create a Linux user that cannot log in

Ubuntu namespace vulnerability should be addressed quickly: Expert

IBM extends z15 mainframe family, intensifies Linux security

10 essential Linux tools for network and security pros

SUSE Edge upgrade targets Kubernetes and Linux at the edge

How to prevent fork bombs on your Linux development servers

How to install Webmin on Rocky Linux

How to check for and stop DDoS attacks on Linux

Kali Linux 2022.1 is your one-stop-shop for penetration testing

Key rules for Linux sysadmins

Why I'm not concerned about the rise in Linux attacks

How to hide files from any file manager on the Linux desktop

Stay Connected