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 SageMaker Data Agent integrates business context into conversations

4 June 2026 @ 9:51 pm

Amazon SageMaker Data Agent now integrates with SageMaker Catalog business context and metadata, enabling data practitioners to discover datasets and generate more accurate SQL and Python code using business terminology instead of cryptic technical table names. This integration allows the Data Agent to leverage the business context that companies have invested months curating in their SageMaker Catalog, including those synced from Collibra, Atlan, and Alation, to deliver more accurate data discovery and code generation. With this capability, data practitioners can ask questions like "Calculate customer retention rate" or "What data do I have on customer churn?" and the Data Agent will search glossary terms, custom metadata forms, asset summaries, and README content to identify the correct tables and columns. The agent generates more accurate code on first attempt by understanding business context, plans multi-step workflows with the correct sequence of tables and transformat

Amazon EKS Capabilities now supports Amazon CloudWatch Vended Logs

4 June 2026 @ 5:00 pm

Amazon Elastic Kubernetes Service (Amazon EKS) Capabilities can now be configured as log delivery sources using Amazon CloudWatch Vended Logs. This enables customers to monitor and troubleshoot their EKS Capabilities for Argo CD, AWS Controllers for Kubernetes (ACK), and kro (Kubernetes Resource Orchestrator) by monitoring logs collected from the managed controllers that run in AWS-managed infrastructure. Customers can enable log delivery for each capability using CloudWatch APIs or the AWS Console. Logs are configured as a CloudWatch Vended Logs delivery source, enabling reliable, secure log delivery to CloudWatch Logs, Amazon S3, or Amazon Kinesis Data Firehose destinations. This feature is available in all AWS Regions where the EKS Capabilities feature is supported. Standard CloudWatch Vended Logs pricing applies based on the chosen destination. There is no additional EKS charge. To learn more about EKS Capabili

AWS Databases on Vercel now available in additional AWS Regions

4 June 2026 @ 5:00 pm

Amazon Aurora PostgreSQL, Amazon Aurora DSQL, and Amazon DynamoDB serverless databases are now available on Vercel Marketplace and v0 by Vercel in additional AWS Regions, offering you more flexibility to build applications with Vercel and AWS databases from the Regions of your choice. To get started, you can describe your idea in v0 using natural language. The tool automatically generates a spec-driven design, deploys code and infrastructure, and stores your application data in the AWS database that best fits your needs with no hands-on coding or provisioning required. Vercel provides an end-to-end setup experience where you can create database resources in seconds under a new AWS account or link to an existing one, all without leaving Vercel. New AWS accounts created

Amazon Cognito now supports multi-Region replication

4 June 2026 @ 5:00 pm

Amazon Cognito now supports multi-Region replication, enabling you to synchronize user and machine identity data — including credentials, user pool configurations, and federation setups — to a secondary user pool in a standby Region you designate in near real-time. This capability helps you improve the resilience of your authentication system by providing a standby replica that can accept traffic in case there is a regional service disruption. In the event of a disruption in the primary Region, you can redirect traffic to the secondary user pool. Signed-in users continue accessing their applications without re-authenticating, and registered users can sign in with their existing credentials. Authentication methods continue to work in the secondary Region, including username/password, federation with social identity and SAML/OIDC providers, and machine-to-machine authorization flows. Multi-Region replication is available as an add-on for user pools in Essentials or Plus fe

Amazon MQ is now available in the AWS European Sovereign Cloud (Germany) Region

4 June 2026 @ 8:05 am

You can now deploy Amazon MQ for RabbitMQ in the AWS European Sovereign Cloud (Germany) Region. This new independent cloud for Europe is located entirely within the EU, designed to help customers in regulated industries and public sector organizations meet their sovereignty requirements. Amazon MQ is a managed message broker service that makes it easy to set up and operate message brokers in the cloud. Amazon MQ for RabbitMQ manages the provisioning, patching, and maintenance of RabbitMQ brokers, letting you focus on building applications without managing messaging infrastructure. You can migrate existing RabbitMQ workloads without rewriting application code and benefit from the same familiar APIs and protocols. Amazon MQ for RabbitMQ in the AWS European Sovereign Cloud supports RabbitMQ engine version 4.2 and Graviton3-based m7g instance types for high-performance messaging ranging from m7g.medium to m7g.16xlarge. To get started, see the

Amazon Bedrock launches a redesigned console optimized for OpenAI- and Anthropic-compatible APIs

4 June 2026 @ 7:00 am

Amazon Bedrock is a fully managed service that provides secure, enterprise-grade access to high-performing foundation models from leading AI companies, enabling you to build and scale generative AI applications. Today, Amazon Bedrock introduces a console experience designed for how customers actually build with foundation models: experiment, iterate, and scale. This is the same Amazon Bedrock service customers already use, with a refreshed workflow optimized for the bedrock-mantle endpoint, which supports the OpenAI Responses API, OpenAI Chat Completions API, and the Anthropic Messages API. The new experience makes it simple to find the right model and move quickly from evaluation to production. Customers can browse the full Amazon Bedrock model catalog, including the latest Claude, GPT, and open-weight models, and compare them side by side on capabilities, modality support, context window, an

AWS IoT Device Management adds MQTT session data to connectivity status API

3 June 2026 @ 9:15 pm

AWS IoT Device Management adds MQTT session data to connectivity status API, enabling you to troubleshoot connectivity issues and audit connection patterns across your Internet of things (IoT) device fleet. This launch brings AWS IoT Device Management's existing connectivity status API to full parity with AWS IoT Core's recently launched GetConnection API, enabling you to retrieve detailed connection and MQTT session information for the IoT device by its thing name. In addition to the connection status, timestamp, and disconnect reason already available, you now get visibility into MQTT session timeout and session expiry values, along with optional socket level details such as source and destination IP addresses, ports, a

Amazon SageMaker Data Agent now supports conversation history

3 June 2026 @ 8:26 pm

Amazon SageMaker Data Agent, available in SageMaker Unified Studio now supports conversation history, enabling data practitioners to maintain continuity across analytical sessions. Data analysts and data scientists can now seamlessly reference previous agent-generated code, resume multi-step analyses, and review past troubleshooting interactions within their notebooks and Query Editor workflows. With conversation history, you can pick up exactly where you left off by accessing a scrollable list of past conversations through the clock icon in the chat panel header. Each conversation includes auto-generated titles and timestamps for easy identification. Whether you're resuming complex multi-step analyses, reusing agent-generated code, or continuing troubleshooting from earlier notebook runs, conversation history keeps the context preserved. Data teams save time, eliminate rework, and move faster across concurrent projects, staying focused on insights rather than rebuilding con

Amazon SageMaker Unified Studio now supports notebook scheduling

3 June 2026 @ 8:13 pm

Amazon SageMaker Unified Studio now enables you to schedule, parameterize, and orchestrate notebook runs directly from the notebook interface without managing external orchestration infrastructure. This makes it easier for customers to take notebooks from experimentation to production, automating recurring workloads such as daily reports, data quality checks, and model retraining. You can trigger on-demand background runs on dedicated compute without interrupting interactive sessions and create scheduled or recurring runs. With notebook parameterization, you can reuse a single notebook across different inputs, for example, generating shipping performance reports for multiple carriers, by defining parameters and overriding their values per schedule or on-demand run. You can also orchestrate multi-notebook workflows using the Notebook Operator in the Workflows tool, chaining notebooks so that outputs from one run feed as inputs to the next. When a scheduled or background run f

AWS Step Functions adds AgentCore-powered agentic reasoning step

3 June 2026 @ 8:00 pm

AWS Step Functions now enables you to add AI agent reasoning steps to your workflow through an optimized integration with the managed harness (currently in preview) in Amazon Bedrock AgentCore. AWS Step Functions is a visual workflow service that orchestrates AWS services with built-in error handling, parallel execution, and human approval steps. The AgentCore harness lets you declare an agent through configuration where you specify the model, tools, and behavior. AgentCore provides the managed environment that runs the agent loop end-to-end.   With this integration, you can automate reasoning tasks in your workflow such as classifying a document or extracting elements from an unstructured form. You can run multiple agents in parallel or in sequence at different decision points in a single workflow and add human approval b

networkworld.com

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Information, intelligence and insight for Network and IT Executives.

New data center routing design cuts AWS networking energy costs by 40%, Amazon claims

5 June 2026 @ 8:38 pm

Amazon has started deploying a completely new routing architecture in AWS data centers which it says will deliver higher throughput from fewer physical switches while slashing electricity consumption. The company claims the architecture, dubbed Resilient Network Graphs (RNG) by the AWS Networking Lab researchers who developed it, offers a more efficient alternative to the traditional ‘fat tree’ topology that dominates data centers today. According to Amazon’s

Cisco: Latest news and insights

5 June 2026 @ 6:32 pm

Cisco (Nasdaq:CSCO) is the dominant vendor in enterprise networking, and under CEO Chuck Robbins, it continues to shake things up. Cisco’s momentum is accelerating across multiple fronts, driven by demand for AI infrastructure, campus modernization, and strategic silicon investments. Here’s the latest Cisco news, research and analysis. Cisco sees quantum networking as the future of networking June 3, 2026: Einstein famously dismissed quantum phenomena such as particle entanglement, s

Network jobs watch: Hiring, skills and certification trends

5 June 2026 @ 6:06 pm

Network and infrastructure roles continue to shift as enterprises adopt technologies such as AI-driven network operations, multicloud networking, zero trust network access (ZTNA), and SD-WAN. Here’s a recap of some of the latest industry research, hiring s

How Cisco IT cut observability costs by 86% and eliminated major network outages

5 June 2026 @ 12:54 pm

When several database clusters started failing simultaneously, Cisco IT had all the data it needed to diagnose the problem. The signals were there. Engineers saw them. The issue was that those signals were landing in separate systems that did not talk to each other, and the team had no way to correlate them in real time. What followed was three hours of war-room calls across three separate bridges. Engineers were on one call, debating ownership of the problem. Application owners were on another, waiting on the database to recover. Executives were on a third, trying to explain to business partners why users could not place orders. The root cause was eventually found, but the outage had a

Microsoft makes Linux developers feel more at home in Windows with Coreutils release

4 June 2026 @ 8:18 pm

Microsoft has announced Coreutils, a new Windows 11 feature that allows developers to run many popular Linux command line utilities natively on Windows from a single binary. Revealed at this week’s Build 2026 developer conference in Seattle, Coreutils is about reducing what Microsoft terms the “cognitive load” faced by developers when moving between Windows and other platforms. Currently, accessing the Linux command line utilities that are considered essential in many CI/CD development environments on Windows requires a kludge that involves either opening an emulation such as Git Bash, or a virtualized

AMD ships second-gen Versal Prime accelerators

4 June 2026 @ 7:41 pm

AMD has added three new chips to its Versal Prime series lineup, which is designed for space-constrained applications. AMD began shipping the first production units of the Versal Prime Gen2 Series last year. Two devices have entered full production, and a third is currently sampling. These new devices are designed to provide an optimized footprint and processing subsystem compared to the earlier models. Versal is AMD’s own platform, not x86 or FPGA. The Versal Prime Series Gen 2 devices combine high-performance embedded CPUs with programmable logic, video encode/decode IP, and support for DDR5 & LPDDR5X. These devices are built with scalability in mind, and target marke

CompTIA debuts AutoOps+ certification

4 June 2026 @ 1:39 pm

CompTIA has launched AutoOps+, a new certification and training program that the organization says will validate the automation, scripting, infrastructure management, and DevOps skills required in today’s IT operations environments. The vendor-neutral certification is targeted at IT professionals responsible for automating workflows,

Cisco sees quantum networking as the future of networking

3 June 2026 @ 8:29 pm

Particle entanglement, superposition and teleportation are key concepts in quantum physics. Einstein famously dismissed such phenomena as “spooky action at a distance.” Quantum computing is the nascent field of technology bringing that spookiness to life, but it is quantum networking that will actually enable quantum computing to be useful by connecting multiple systems together. According to Cisco, quantum networking’s practical utility isn’t limited to quantum computing, and it can have a material impact on the regular networks we use today. In a deep-dive session at Cisco Live, Ramana Kompella, head of Cisco Resea

Enterprise Spotlight: Rethinking cloud strategy in the age of AI

3 June 2026 @ 4:18 pm

Cloud computing has reached a crossroads. The high cost and data sensitivity of AI workloads are raising the appeal of private clouds, even as neoclouds and sovereign clouds shake up the cloud provider landscape. New cyberthreats, shifting compute requirements, and management complexity are adding to cloud complications. Download the June 2026 issue of the Enterprise Spotlight from the editors of CIO, Computerworld, CSO, InfoWorld, and Network World, and learn how to navigate the latest cloud strategy developments.

What is Cisco Cloud Control and why should customers care?

3 June 2026 @ 4:14 pm

As is typical of Cisco, the company made several product announcements at its flagship event, Cisco Live. The most significant product announcement is Cisco Cloud Control, which recognizes that customers do not run separate Cisco products; they run one sprawling, interconnected environment that must be monitored, secured, and increasingly operated with AI at machine speed. That is what Cisco Cloud Control is supposed to be: a single management plane with one login, one view, and one operational model spanning networking, security, compute, observability, and collaboration. Cisco is positioning it as the founda

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

13 Ways to Optimise Your Website for Speed and Performance

5 June 2026 @ 1:05 pm

A slow website can ruin the experience of a website no matter how perfectly designed it is. Google also uses site speed as a ranking factor. If your site takes... The post 13 Ways to Optimise Your Website for Speed and Performance appeared first on Heart Internet.

Sustainable Data Centres: How to Cut Carbon without Sacrificing Performance

27 May 2026 @ 12:55 pm

No matter if it is a website visit or file uploaded, all these actions run through a hall of servers that consume electricity 24/7. Data centres account for a slice... The post Sustainable Data Centres: How to Cut Carbon without Sacrificing Performance appeared first on Heart Internet.

How to Register a Domain Name in the UK

26 May 2026 @ 10:04 am

A Complete Guide for 2026 Your domain name is your address on the internet. It’s how customers find you, how your email works, and it’s often the first impression a... The post How to Register a Domain Name in the UK appeared first on Heart Internet.

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.

serverfault.com

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

Debian CIS - partition or multiple EBS on EC2

5 June 2026 @ 1:52 pm

I'm currently going through each CIS checks to create an hardened Debian 13 AMI on AWS to launch EC2 instances. Rules from 1.1.2.1.1 to 1.1.2.7.4 are about configuring filesystem partitions. I don't know much about this and I'm wondering which is better : to partition 1 EBS disk or to add an EBS disk for each partition that should be separate.

How to *actually* integrate PA-VM with Secrets Manager

4 June 2026 @ 7:45 pm

I have a Palo Alto Next-Gen Firewall PA-VM instance in AWS and I'm trying to get it to fetch certs from AWS Secrets Manager. Can someone please clarify the actual procedure for getting a PA-VM to read a keypair from AWS Secrets Manager? I am trying to abide by the guidance in this document: https://docs.paloaltonetworks.com/vm-series/11-0/vm-series-deployment/set-up-the-vm-series-firewall-on-aws/integrate-kms-for-cloud-native-key-management-aws ...but I find it very poorly explained, not worded well and missing crucial details. I'll get more into that at the end. I have no idea what PA-VM expects for a key/value in a Secret in Secrets Manager, but I went on to start with just the private-key file dumped into a Secret as raw text in a Secret called "palo-a

HashiCorp Vault in Docker Compose fails with "address already in use" on port 8200 and IPC_LOCK warning

4 June 2026 @ 11:28 am

I'm trying to run HashiCorp Vault (v1.15.0) in Docker Compose on Ubuntu 26.04 LTS (ARM64), but the container immediately exits with two errors: IPC_LOCK warning: "Couldn't start vault with IPC_LOCK. Disabling IPC_LOCK, please use --cap-add IPC_LOCK" Port binding error: "Error initializing listener of type tcp: listen tcp4 0.0.0.0:8200: bind: address already in use" Despite lsof, netstat, and ss showing nothing listening on port 8200, Docker insists the port is occupied. This happens consistently even after: Stopping all containers Restarting Docker daemon Changing Vault to use port 8201 Removing all Docker networks and containers What I've tried: Basic troubleshooting: sudo lsof -i :8200 → No output sudo netstat -tulpn | grep :8200 → No output ss -tulpn | grep :8200 → No output docker container prune -f and docker network prune -f sudo systemctl restart doc

Hairpin NAT not working on EdgeRouter [closed]

3 June 2026 @ 8:43 pm

I have an EdgeRouter ERPro-8 router with 6 static IPs assigned to the WAN interface (eth6). I need hairpin NAT but checking Hairpin NAT under Firewall/NAT does not work. Requests to a public wan IP hit the WAN side of the EdgeRouter instead of redirecting back to the server. I tried adding a DNAT rule shown at https://help.uisp.com/hc/en-us/articles/22591184776983-EdgeRouter-Hairpin-NAT and it doesn't seem to work. What am I doing wrong.

Can access my router's static IP from cellular data, but not from outside wifi [closed]

3 June 2026 @ 10:26 am

I have a router with a public static IP address. When I'm outside my network and use my phone's cellular data, I can access the router public static IP (for remote management/services). However, when I connect my laptop to any Wi-Fi network and try to access the same public static IP, it doesn't work. Internet connectivity on the laptop works normally. Could this be related to NAT Loopback / Hairpin NAT not supported by the router? Firewall settings? DNS resolution issues? Something else? Has anyone experienced this before? What should I check to diagnose the problem?

How can a mobile client access NVRs at multiple sites through a single WireGuard connection?

3 June 2026 @ 10:02 am

Problem My current approach is WireGuard VPN access to each UniFi Cloud Gateway. However, mobile operating systems generally allow only one WireGuard tunnel to be active at a time. Switching between multiple VPN profiles manually is not practical for daily use, and it prevents simultaneous access to NVRs at different sites. I am aware that UniFi's cloud-based remote access could simplify this, but I would prefer not to use the UI.com cloud connection. The solution should remain self-managed where possible. At the same time, I am not looking for a highly complex enterprise design. A relatively simple and maintainable solution would be preferred. Question What is the recommended architecture for this scenario? Specifically: How do you provide mobile access to NVRs located behind multiple independent sites? Do you aggregate the sites into a central VPN hub, use site-to-site tunnels, or use another approach? What solution allows a

Windows client doesn't use server-side content search when searching index share on Windows Server

2 June 2026 @ 6:36 pm

A Windows server has the Indexing service active, and is indexing some folder (and subfolders) that are exposed as a file share. You can use File Explorer to search for content in the shared folders on the server and it works as expected: it returns results even when the search terms are not in the file metadata. Windows clients (e.g. Windows 11) map to the file share. User enters same content search in File Explorer, with Seach options > File Contents not selected. The expected result is that the search will use the server-side index, but it doesn't work. Why not?

What are practical performance expectations for hybrid storage arrays? [closed]

2 June 2026 @ 5:47 pm

We're looking into some hybrid storage arrays. Specifically the IBM FlashSystem 5045, the Dell PowerVault ME5 series, and the HPE MSA 2062. All I find online so far is max IOPS in the hundreds of thousands or millions if its IBM but nothing on a more practical day to day basis. I understand it varies by workloads quite extensively but does anyone have any of these appliances or more real world numbers that they could share? Any practical information would be greatly appreciated. Our current appliance is an old Tegile T4100 for comparison with a variety of VMs on some old VMWare esxi setups.

What puppet code would install nginx from nginx.org (latest version)

1 June 2026 @ 2:43 pm

To install the latest (stable) version of nginx, the nginx.org website recommends to download th signature key and add an entry to apt/sources.list.d. How can I automate the apt configuration, using puppet?

Cannot delete AD computer object due to "the requested object has a non unique identifier and cannot be retrieved"

5 May 2026 @ 8:15 am

Our Environment: Active Directory domain domain.local, Forest and Domain Functional Level 2016 8 Domain Controllers (mixed Server 2019 and 2022) replication healthy (repadmin /replsummary: 0 errors) The Problem: GUI Error Message Two computer objects were affected (both members of Server 2022 (HyperV VMs)). The servers were re-joined under new names after losing trust (rejoining over PowerShell was not possible). How it manifests over time: The AD-object becomes "frozen" at some unknown point (root cause unclear) Netlogon Event 3224 fires every 4 hours: machine account password change fails with the same internal error After several weeks the trust relationship breaks (the server can no longer authenticate against the domain) The administrator re-joins the server under a new name and the old object cannot be delete

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