explainshell.com

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Match linux command-line arguments to view their help text.

stackshare.io

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Dev / Production stacks for all to see. Handy tool to see what software is trending today.

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Amazons’s cloud computing & web hosting service.

Amazon Inspector is now available in the AWS Asia Pacific (Taipei) Region

19 May 2026 @ 5:00 pm

Today, AWS announces the availability of Amazon Inspector in the AWS Asia Pacific (Taipei) Region. Amazon Inspector is an automated vulnerability management service that continually scans AWS workloads including Amazon EC2 instances, container images, and AWS Lambda functions for software vulnerabilities and unintended network exposure across your AWS Organization.  With this expansion, Amazon Inspector extends its security coverage to AWS Asia Pacific (Taipei) Region, designed to help customers automatically discover workloads, conduct continuous vulnerability assessments, and receive actionable security findings. The service is designed to detect newly launched Amazon EC2 instances, Lambda functions, and eligible container images pushed to Amazon Elastic Container Registry (ECR) and scan them for software vulnerabilities and unintended network exposure. All accounts new to Amazon Inspector are eligible for a 15-day free trial to evaluate the service and esti

AWS Management Console now displays AWS Local Zones in the Region Selector

18 May 2026 @ 9:50 pm

Today, AWS announces the addition of AWS Local Zones to the Region selector in the AWS Management Console, providing a unified experience across AWS global infrastructure. AWS Local Zones now appear alongside AWS Regions in the Console's top navigation, making it easier for customers to quickly navigate to the Console page for managing their resources in AWS Local Zones. Now, when customers select the Local Zones tab in the Region selector, they will see all opted-in AWS Local Zones in one place. Clicking on an AWS Local Zone takes customers directly to its parent Region's Console page to view and manage resources. This capability streamlines navigation for customers operating across multiple AWS Local Zones parented to different AWS Regions. This capability is available across all AWS Local Zones in public AWS Regions. To get started, navigate to the Region selector in the AWS Management Console. For more information, se

AWS Glue zero-ETL is now available in Asia Pacific (Mumbai) region

18 May 2026 @ 9:10 pm

AWS Glue zero-ETL integrations are now available in the Asia Pacific (Mumbai) region. With this expansion, customers in the Asia Pacific (Mumbai) region can now use zero-ETL integrations to simplify their data pipelines, reduce data movement latency, and accelerate time-to-insight for analytics and machine learning workloads. Zero-ETL integrations offer a set of fully managed integrations by AWS that minimizes the need to build ETL data pipelines for common ingestion and replication use cases. You can use zero-ETL to replicate data from sources such as Amazon DynamoDB, Oracle Database@AWS, self-managed databases (Oracle, SQL Server, MySQL or PostgreSQL), and supported SaaS applications including Salesforce, SAP, Zendesk, and Zoho CRM directly into target analytics data stores without writing or maintaining ETL pipelines. It automatically handles schema mapping, change data capture, and incremental data replication, eliminating the need to build and manage complex data pipel

Amazon Lightsail CDN distributions now support IPv6-only instances as origins

18 May 2026 @ 6:49 pm

Amazon Lightsail content delivery network (CDN) distributions now support IPv6-only instances as origins. This feature enables customers to use IPv6-only instances to deliver content through the Lightsail CDN distributions with low latency and high transfer speeds worldwide. With this launch, customers can run their websites and applications on cost-effective IPv6-only instances while seamlessly serving content to all end users, including those on networks that don't yet support IPv6 connectivity. Previously, only IPv4 and dual-stack instances were supported as origins for Lightsail CDN distributions. With this launch, customers can also use IPv6-only instances as origins for their Lightsail CDN distributions, making applications running on those instances accessible to all end users, regardless of whether end users have IPv6 connectivity. Lightsail CDN distributions support multiple origin types including instances, containers, buckets, and load balancers. Amazon L

Amazon EVS enables support for 32 hosts per environment

18 May 2026 @ 5:55 pm

Today, we are announcing that Amazon Elastic VMware Service (Amazon EVS) now supports up to 32 ESXi hosts per environment, double the previous limit of 16 hosts. Amazon EVS gives you flexibility in how you configure VMware Cloud Foundation (VCF) domains and clusters within an environment. You can put all your hosts into a single large cluster, spread them across several smaller clusters, or any combination that fits your needs. With this release, you can now submit a service quota increase to scale up to a total of 32 hosts and reduce the operational overhead of managing multiple environments. This latest release is available in all regions where Amazon EVS is offered. For more details on the steps and procedure, visit the Amazon EVS product detail page and user guide.

AWS SAM CLI adds AWS CloudFormation Language Extensions support to accelerate local serverless development

18 May 2026 @ 4:31 pm

AWS SAM CLI now supports AWS CloudFormation Language Extensions, enabling you to reduce duplication in your infrastructure as code (IaC) templates while retaining the full local development workflow. This accelerates your serverless development by letting you define resources once and iterate locally without waiting for cloud deployments. Developers frequently need to define multiple similar resources, such as Lambda functions, DynamoDB tables, or SNS topics, from a single template definition. However, developers who use SAM CLI to build, test, and deploy their serverless applications previously could not process templates that use CloudFormation Language Extensions. This required choosing between reducing templa

Amazon Redshift adds ALTER TABLE for Iceberg tables and writes via the AWS Glue Data Catalog mount

18 May 2026 @ 4:25 pm

Amazon Redshift now supports writing directly to Apache Iceberg tables via the AWS Glue Data Catalog (awsdatacatalog) mount and ALTER TABLE DDL statements to modify the schema, partitioning, and properties of Apache Iceberg tables. With write access through the auto-mounted awsdatacatalog, you can land Redshift transformations in your data lake for any engine to query without creating external schemas—particularly useful for Iceberg tables federated with AWS Lake Formation. Supported ALTER TABLE operations include ADD/DROP/ALTER columns, RENAME COLUMN, SET TABLE PROPERTIES to overwrite the default compression type, and ADD/DROP/REPLACE PARTITION FIELD to adapt partitioning strategies as data volumes grow. Previously, updating the structure of Iceberg tables required deleting the table and its data, adding complexity and latency to data pipelines. Tables modified by Redshift remain compatible with other Iceberg-compatible engin

Amazon SageMaker Studio now supports GPU capacity reservation through SageMaker Flexible Training Plans

18 May 2026 @ 3:00 pm

Amazon SageMaker Studio IDEs, including JupyterLab and Code Editor, now support GPU capacity reservations through SageMaker Flexible Training Plans (FTP), giving you predictable access to high-demand, high-performance computational resources within your budget. By leveraging FTP, you can achieve up to 65% cost savings compared to On-Demand instances while running ML workflows in JupyterLab or Code Editor. FTP provides a fully self-serve procurement experience. To get started, navigate to the SageMaker FTP console and select your preferred instance type, reservation length, and start date for your Studio IDE workload. Review your order, complete the purchase, and wait for the plan to become active. When creating a Studio app from the SageMaker Studio UI, select your purchased plan from the Instance dropdown. SageMaker provisions the instance automatically with no infrastru

Amazon CloudWatch Logs announces increased query result limits

15 May 2026 @ 9:00 pm

Amazon CloudWatch Logs now supports retrieving up to 100,000 results using the Logs Insights query language. Customers can specify the limit in their query using the LIMIT command. Previously, customers were limited to 10,000 results and had to split their queries into smaller time ranges to retrieve all results. With this launch, customers can view a larger set of results and use existing features such as patterns, visualization, and export on the full 100,000 result set. The GetQueryResults API has also been updated to support pagination; each invocation can return up to 10,000 results along with a token that can be used to fetch the next set of results. The increased query result limits are available in all commercial AWS regions. You can execute queries and view up to 100,000 results using the Amazon CloudWatch console, AWS CLI, AWS CDK, and AWS SDKs. To learn more, see the Amazon CloudWatch Logs

Amazon EMR Serverless is now available in additional AWS Regions

15 May 2026 @ 7:50 pm

Amazon EMR Serverless is now generally available in six additional AWS Regions - Asia Pacific (Hyderabad), Asia Pacific (Malaysia), Asia Pacific (New Zealand), Asia Pacific (Taipei), Asia Pacific (Thailand), and Mexico (Central). Amazon EMR Serverless is a deployment option in Amazon EMR that makes it simple and cost effective for data engineers and analysts to run petabyte-scale data analytics in the cloud. With EMR Serverless, you can run your Apache Spark and Apache Hive applications without having to configure, optimize, tune, or manage clusters. EMR Serverless offers fine-grained automatic scaling, fast launch times, customizable worker configurations, and support for batch, interactive and streaming workloads. To get started, visit the Amazon EMR Serverless User Guide. For pricing info, visit the EMR Serverless prici

networkworld.com

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Information, intelligence and insight for Network and IT Executives.

Startup Bolt Graphics promises 5x performance over Nvidia’s best GPU

19 May 2026 @ 5:26 pm

It takes a brave company to go up against Nvidia in any market, let alone graphics performance. Intel tried and failed repeatedly, and AMD is barely hanging on. But Bolt Graphics thinks it has something in its Zeus GPU. Founded in 2020, Bolt Graphics’ Zeus GPU has just taped out – meaning design and development are done and it’s on to manufacturing — on TSMC’s 12nm process and is targeting a 2027 release. The company claims 5x faster path tracin

2026 network outage report and internet health check

19 May 2026 @ 2:51 pm

ThousandEyes, a Cisco company, monitors how ISPs, cloud providers and conferencing services are handling any performance challenges and provides Network World with a weekly roundup of events that impact service delivery. Read on to see the latest analysis, and stop back next week for another update on internet and cloud traffic performance. Note: We have archived prior-year outage updates, including our reports from 2025, 2024,

AI, cybersecurity skills top IT pay premiums

19 May 2026 @ 1:18 pm

AI engineering, cybersecurity, governance, data architecture, and distributed systems skills are now commanding the highest cash pay premiums in IT, according to new research from Foote Partners, which reports that employers are placing “increasing value on certifications that validate strategic capability and enterprise-level thinking.” Employers are paying premium bonuses equal to 20% to 24% of based salary for noncertified IT skills, and leading certifications are earning premiums ranging from 11% to 18% of base salary, Foote Partners reported. The firm based its latest quarterly

Google opens TPUs to enterprises beyond its own cloud via Blackstone JV

19 May 2026 @ 12:06 pm

Google Cloud and Blackstone have unveiled a new joint venture aimed at building a large-scale standalone cloud platform powered by Google’s Tensor Processing Units (TPUs), marking one of the company’s clearest moves yet to expand its AI infrastructure beyond the traditional boundaries of Google Cloud. The new company will offer “efficient data center capacity, operations, networking, and Google Cloud’s Tensor Processing Units (TPUs) as a compute-as-a-service offering,” Blackstone said in a statement. Und

How AI is transforming network incident response (and where it still falls short)

19 May 2026 @ 9:00 am

If you’ve sat through any vendor pitch in the last year, you’ve heard the promise. AI will detect the anomaly, correlate the signals, identify the root cause, maybe even remediate it. The autonomous network operations center is just around the corner. I’ve spent close to a decade building anomaly detection and telemetry systems at scale, and I think that promise is partly true, partly aspirational and partly misleading. The reality is messier. AI is genuinely helping in a few specific places, and it’s nowhere close to delivering in others, mostly for reasons that have nothing to do with model quality. The biggest reason: we still can’t see most of what’s happening

NetOps teams look to AI to automate Day 2 operations

18 May 2026 @ 1:54 pm

Network engineers tell me that their teams are chronically understaffed. This is partially a labor market issue, given that 52% of IT organizations recently told Enterprise Management Associates (EMA) that they’re struggling to hire networking pros. But it’s also a business decision. Over-hiring in the wake of the pandemic led to a wave of layoffs, and now IT executives are gun-shy about repeating the same pattern. Instead, they tell their network teams to find ways to operate with fewer resources. In fact, 43% of IT pros say personnel shortages is a top network operations challenge. With network operations centers (NOC) and network engineering teams understaffed, many organizations

Cisco warns of an actively exploited SD-WAN flaw with max severity

15 May 2026 @ 11:46 am

Cisco has disclosed a max-severity authentication bypass vulnerability affecting its Catalyst SD-WAN Controller and Catalyst SD-WAN Manager platforms, warning that the flaw has already been found to be exploited in the wild. The disclosure follows an earlier authentication bypass vulnerability that Cisco patched in February. In the latest advisory, the company said the new flaw was identified while investigating the previously disclosed issue. “A vulnerability in the peering authentication in Cisco Catalyst SD-WAN Controller, f

Digital twins reshape network and data center management

15 May 2026 @ 10:00 am

3 things you need to know about digital twins > With AI training racks exceeding 30 kW and specialized systems spiking to 150 kW per rack, digital twins can help prevent thermal failures. Unlike standard chatbots, AI built on a digital twin foundation uses mathematically verified data to eliminate “hallucinations” in network configuration. Gartner estimates that organizations using digital twins for configuration modeling can reduce unplanned outages by as much as 70%. The complexity of modern networks and data centers has made it impossible to rely solely on manual oversight. Hybrid c

Network outages, power failures strain data center resiliency

14 May 2026 @ 6:25 pm

Data center outages are becoming less frequent overall, but resiliency gains are slowing as data center operators face mounting pressure from AI workloads, aging power infrastructure, and external dependencies, according to Uptime Institute’s newly released 2026 Annual Outage Analysis report. The report marks the fifth consecutive year that outage frequency on a per-site basis has declined, continuing a long-term trend Uptime analysts attribute to improved operational maturity, distributed resiliency strategies, and infras

Five takeaways from Cisco’s blowout quarter and what it means to customers

14 May 2026 @ 2:15 pm

Cisco Systems delivered a blowout Q3 FY2026 performance that surpassed even the most optimistic expectations, posting record revenue of $15.8 billion, up 12% year-over-year, with product revenue surging 17%. The networking giant’s momentum is accelerating across multiple fronts, driven by demand for AI infrastructure, campus modernization, and strategic silicon investments. Here are five key takeaways from what CEO Chuck Robbins described as a quarter when Cisco’s “technology is more relevant than ever in the AI era.” 1. AI infrastructure orde

forensicswiki.org

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Computer forensic tools and techniques used by investigators

cyberciti.biz

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online community of new and seasoned Linux / Unix sysadmins.

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heartinternet.co.uk

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Hosting packages for an initial web presence

What we’ve been doing to improve the reseller experience

18 May 2026 @ 10:53 am

A lot has been changing at Heart Internet, with major improvements across our platform, products, security, infrastructure and support. We’ve completed a major transition to fully independent operations, launched new... The post What we’ve been doing to improve the reseller experience appeared first on Heart Internet.

Unique Domain Extensions You Might Not Have Heard Of

15 May 2026 @ 10:30 am

The post Unique Domain Extensions You Might Not Have Heard Of appeared first on Heart Internet.

Business Email and Website Hosting

8 May 2026 @ 10:30 am

The post Business Email and Website Hosting appeared first on Heart Internet.

What Is the Future of the Internet?

1 May 2026 @ 10:30 am

The post What Is the Future of the Internet? appeared first on Heart Internet.

Copy Fail Linux Vulnerability (CVE-2026-31431)

30 April 2026 @ 2:43 pm

On 29 April 2026, security researchers at Theori (Xint Code) publicly disclosed CVE-2026-31431, known as “Copy Fail.” It is a local privilege escalation flaw in the Linux kernel’s AF_ALG cryptographic... The post Copy Fail Linux Vulnerability (CVE-2026-31431) appeared first on Heart Internet.

How to Reduce the Bounce Rate of Your WordPress Site

24 April 2026 @ 10:30 am

The post How to Reduce the Bounce Rate of Your WordPress Site appeared first on Heart Internet.

How to Check for Available Domains

31 March 2026 @ 1:48 pm

The post How to Check for Available Domains appeared first on Heart Internet.

SSL Certificates are changing. Here’s what you need to know.

17 March 2026 @ 10:12 am

The rules around SSL certificates are changing across the whole internet. The good news is that for most customers, very little will change on your side. This is an industry-wide... The post SSL Certificates are changing. Here’s what you need to know. appeared first on Heart Internet.

Hosting VPS Linux vs Windows VPS

9 March 2026 @ 3:03 pm

The post Hosting VPS Linux vs Windows VPS appeared first on Heart Internet.

Domain Name Transfer Checklist: Everything You Need to Know

3 March 2026 @ 2:56 pm

The post Domain Name Transfer Checklist: Everything You Need to Know appeared first on Heart Internet.

serverfault.com

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Common Server issues – FAQs and answers from those in the know

How to use the ssh port foward of the host from a VM?

19 May 2026 @ 9:26 am

I can do basic ssh forwarding, but I get lost when the going gets tough. On a Linux host (MachineA) I setup the following forwarding and it works from MachineA: localuser@MachineA $ ssh -L 4840:MachineC:4840 remoteuser@MachineB Now that host also runs a Windows VM and it needs to access port 4840 on MachineC and I don't know how to do that. The VM has its network running as NAT (I can change it). How can I change the ssh command to allow the VM though ?

How to restrict Microsoft Entra ID / Intune enrollment to one device per user?

18 May 2026 @ 4:59 am

I am designing a deployment for a client with ~230 users transitioning into Microsoft Entra ID and Microsoft Intune. The Requirement: Standard Users:Must be strictly limited to enrolling exactly one PC and one Mobile phone. Exception Users:A small subset of users need the ability to register two personal devices. Shared PC Scenario:Some users share a single corporate email identity but log into different physical desktop PCs and separate mobile devices. Questions: What is the best architectural approach in Intune/Entra to enforce a 1-PC limit for standard users while excluding a specific group of power users? How should we handle the enrollment of the physical PCs used by the "shared email ID" users so they don't exhaust the individual identity quota? Can this boundary be securely enforced via Conditional Access policies without blocking mobile devi

Monitoring if an scp connection is still transmitting

17 May 2026 @ 7:53 pm

I am using SCP to transfer a lot of date between my local computer and a remote server. I am using tmux, but the session is frozen. I used wireshark to know that the file transfers are still going, but there is a less convoluted way to know if the transfer is still going on? I do not care to know what is being transfer, just that something is being transfer and the connection is not dead.

Bind9 security log stopped recording events after implementing views

16 May 2026 @ 10:45 pm

I have Bind9 version 9.18.39 on Ubuntu 24.04 LTS. The Bind is frequently the target of denial of service attacks. I was managing it with Fail2ban jail for "refused+denied". To decrease the rate limit, I implemented two views, internal and external, with a tight rate limit of responses-per-second=2 in window=15. After switching to two views, the "security log" stopped recording events. But I still can see refused/denied messages in the "default-log". Why did the security log stopped recording events? It was writing when I didn't have any views, and hence the permissions are correct. The default-log does not match the Fail2ban filter, and hence I need to get the Security-log to write again. Any help will be appreciated. My Views configuration // Internal view for local clients (no rate limiting) view "internal" { match-clients { "internal-network"; };

I've logged into the Azure Command-Line Interface (CLI) via `az login`: how can I see when it'll sign me out?

15 May 2026 @ 11:56 pm

I've logged into the Azure Command-Line Interface (CLI) via az login: how can I see when it'll sign me out? I.e., how can I see when when my authentication will expire?

Ubuntu kernel update on Azure?

15 May 2026 @ 6:37 am

Is it normal for Azure's Ubuntu Kernel (for example) to be so far behind when significant CVEs have been published? In particular, Copy fail (CVE-2026-31431) has not been patched on my Azure Ubuntu 22.04 VM, and there's no update for it (current Kernel version is 6.8.0-1052.58~22.04.1). Sure I can mitigate the threat manually, but is it normal for Azure to take this long (since April 22nd) to release a Kernel update when a known vulnerability like this exists and Ubuntu has released a fix? Am I missing something?

Cobian backup - native error 00059

15 May 2026 @ 2:38 am

I have these 2021-2022 backup files (.pbd) made with Cobian Backup Gravity 11. Now I'm trying to restore its contents, but I'm getting "Hashed list of file names is invalid - Native error". At binwalk I can see files within, which seems to indicate a healthy unencrypted file. The hexdump shows head contains "FIMG" and "ADDI". Edit This post here (https://flammlin.com/blog/2022/11/06/hashed-list-of-file-names-is-invalid) shows this error, and his solution was to disable CRC after compression. My case is that files are already created, therefore I still don't know how to solve this.

How to truncate a zipped file?

14 May 2026 @ 8:02 pm

I have very large log files and I often truncate them with: truncate -s 20M filename.log However, I also have some files that have been zipped and they are smaller, but I want to shrink them further or trim them further. Ideally I would have truncated them before they were zipped. filename.log.gz I have not tried to truncate directly on the file as I am not sure it is safe, and I also don't want to unzip the file as it might be too large to fit. Is there a way to truncate so it truncates the file in the zip to make the final final much smaller.

Can Ansible list all hosts that use a specific role?

14 May 2026 @ 1:59 pm

I am using Ansible roles to configure certain aspects of a wide variety of servers. A good example is the webserver. I have a playbook per server (e.g. server1.yml) which uses the role webserver if server1 should have a webserver configured. This works fine. But when I make a change to the webserver role, I want to update all servers which run a webserver. I struggle to convince Ansible to give me a list of the relevant servers (i.e. all servers that run a webserver, which is all servers that use the role webserver). The options I came up with until now are: have a group of all servers that run a webserver in the inventory -> I can use this group have a playbook to deploy the webserver (instead of or in addition to the "per server" approach I currently have?) find the hidden knob in Ansible that can do just what I want :) The issue with t

After phishing incident, some entra devices have registration time stamp = activity. Odd?

11 May 2026 @ 6:48 pm

In Microsoft Entra, are equivalent timestamps for registered and last activity and signed on and last password reset an indication of a persistence play by an attacker or is it a normal activity? Example: Registered / Activity (phishing mail, eg. 5th May 07:00): BCC dispenser user account device: 5/5/2026, 08:27 and AM / 5/10/2026, 08:27 AM Some other user account device: 5/5/2026, 08:45 AM and / 5/10/2026, 08:45 AM ... etc, 1:1 matching timestamp, close proximity to sending phishing event. Looking at these user accounts properties, they all show timestamps like this: User 1 properties: Sign in sessions valid from date time: 5/5/2026, 07:21 AM Last password change date time: 5/5/2026, 07:21 AM User 2 properties: Sign in sessions valid from date time: 5/5/2026, 07:12 AM Last password change date time: 5/5/2026, 07:12 AM Lets assume the attack happ

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