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

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Network World

DECEMBER 4, 2024

New learning resources from CompTIA are aimed at helping entry-level IT professionals to accelerate their career path to networking and cybersecurity roles. The new courses, available now, will help professionals develop the prerequisite skills to train for higher-level certifications such as CompTIA Network+ and Security+.

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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

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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.

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Linux Groups Examples System 368

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.

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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. But when network traffic is light, interrupt-driven processing works best, he noted.

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Network World

MARCH 27, 2025

A new player in the networking industry is tackling the unique challenges of AI infrastructure at hyperscale. Sadana spent 17 years at Arista and prior to that was at Cisco for eight years, so hes no stranger to the networking world. We are here to build the most efficient AI networking solutions that are out there, Sadana said.

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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.

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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.

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Linux Tools Network Security 514

Network World

FEBRUARY 26, 2025

Red Hat is updating its OpenShiftplatform with a series of capabilities that will provide more advanced networking and virtualization functionality for cloud-native deployments. integrates what Red Hat refers to as VM-friendly networking. The first of these enhancements is custom user-defined networks (UDN).

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Network World

FEBRUARY 27, 2025

This latest version introduces substantial improvements to networking capabilities, security features and management tools. StarlingX got its start back in 2018 as a telecom and networking focused version of the open-source OpenStack cloud platform. Key new features in StarlingX 10.0 Key new features in StarlingX 10.0

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Network World

MARCH 4, 2025

There are quite a few tools that can help test your connectivity on the Linux command line. Response times will largely depend on how many routers the requests need to cross and whether your network is congested. A ping command provides an easy way to check network connectivity for a home network. ping 192.168.0.11

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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.

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Linux Groups System Examples 231

Network World

JANUARY 14, 2025

2024 was a banner year for Ethernet , which has been a foundational element of networking for more than 50 years and is poised for more advancements as 2025 kicks off. Much of that work occurred under the direction of the Ultra Ethernet Consortium , which is an open-source effort under the governance of the Linux Foundation.

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Network Data Center Linux Industry 469

Network World

JANUARY 22, 2025

The open-source Wireshark network protocol analyzer has been a standard tool for networking professionals for decades. In recent years, organizations have increasingly moved workloads to the cloud, where they have not had the same network visibility. The libpcap library is an open-source tool for network traffic capture.

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Analysis System Cloud Open Source 419

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).

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Linux Load Balancer Open Source Network 477

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.

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Tech Republic Security

NOVEMBER 19, 2020

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

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Network World

DECEMBER 17, 2024

Take Linux or Kubernetes, for example. OpenTelemetry, or OTel, addresses a key pain point for network managers who must prevent network outages and maintain high levels of application performance across increasing complex and opaque multi-cloud environments. Others fall by the wayside remember the Ubuntu Phone?

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Open Source Linux Network Applications 367

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.

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Linux Open Source Training Enterprise 483

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

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Linux Programming Security Applications 374

Network World

OCTOBER 10, 2024

“We’re really founded and continue to focus on solving connectivity bottlenecks within AI and cloud infrastructure,” Ahmad Danesh, associate vice president, product line management at Astera Labs, told Network World. To date however, there hasn’t been dedicated network fabric technology for connecting PCIe 6 connections. Wireshark 4.4

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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.

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Linux Automotive Open Source Operating Systems 514

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.

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Network World

OCTOBER 19, 2020

Deploying password-quality checking on your Debian-based Linux servers can help ensure that your users assign reasonably secure passwords to their accounts, but the settings themselves can be a bit misleading. Get regularly scheduled insights by signing up for Network World newsletters.].

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Linux How To Examples Network 477

Network World

JANUARY 12, 2019

If you're contemplating a career in cybersecurity and haven't come up to speed on Linux, now's the time to get ramped up and here's one easy way to do it. Because Linux is open source, tool developers (and you) have a level of access that is unsurpassed. This new book from no starch press was written with people like you in mind.

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Linux Open Source Tools Network 420

Network World

OCTOBER 30, 2024

Fortinet has had network DLP capabilities in its portfolio before, including Network DLP capabilities integrated into its FortiGate NGFW. The system deploys machine learning at the endpoint level, enabling continuous data monitoring without constant network connectivity.

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Policies Network Artificial Intelligence Data 420

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.

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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.

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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.

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Linux Development How To Video 450

Network World

AUGUST 20, 2024

There are quite a few ways to extract words and substrings from lines of text on a Linux system, replace them with other strings, select delimiters, and even get rid of white space at the beginning and end of lines. set -- 01234567890abcdef $ echo $1 01234567890abcdef Wrap-up Linux provides many commands to help you manipulate text.

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Linux How To Examples Data 444

Network World

JULY 24, 2024

Linux provides a number of commands that provide information about disk and system activity along with system and resource stats. One of the most useful commands is dstat. It provides an extensive number of detailed statistics on system activity. 20 5 75 2 0|firefox 8.5 21 6 70 1 0|firefox 14 2 1 97 0 0|pmdaproc 1.0 4 2 95 1 0|firefox 1.0

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Linux System .Net Resources 449

Network World

SEPTEMBER 27, 2024

Cloudflare unwrapped a series of networking and security innovations during its birthday week event. Cloudflare commands a sizable share of internet traffic, and its network footprint spans the globe. The service utilizes Cloudflare’s Anycast network to provide scale and performance. “I The speed up is remarkable.

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Network Security Open Source Linux 418

Network World

JUNE 11, 2024

Getting your Linux system to send print jobs to your local printer might seem like a challenge, especially when you want to print double-sided or in landscape mode, but it’s really a lot easier than you might imagine. network dnssd://HP%20Color%20LaserJet%20CP2025dn%20(F47468)._pdl-datastream._tcp.local/ _pdl-datastream._tcp.local/

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Linux HP How To Network 398

Network World

MAY 23, 2024

Going forward, IBM said it intends to develop an IBM watsonx Assistant for Z that runs on IBM Linux on Z. The ideas are the same for the Linux distribution in that customers can simplify operations and development on IBM Linux on Z.

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Network World

JUNE 26, 2019

While not nearly commonly seen on Linux systems, library (shared object files on Linux) injections are still a serious threat. Two-Minute Linux Tips: Learn how to master a host of Linux commands in these 2-minute video tutorials ]. In this post, I'll cover one method of attack and some ways that it can be detected.

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Linux Video Tools System 397

Network World

FEBRUARY 26, 2019

There's a new Linux security tool you should be aware of — Cmd (pronounced "see em dee") dramatically modifies the kind of control that can be exercised over Linux users. Provided by a company of the same name, Cmd focuses on cloud usage. Provided by a company of the same name, Cmd focuses on cloud usage.

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