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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 Bedrock AgentCore Runtime introduces interactive shells for terminal access into agent sessions

5 June 2026 @ 10:25 pm

Amazon Bedrock AgentCore Runtime now supports interactive shells through a new InvokeAgentRuntimeCommandShell API, opening a persistent, PTY-backed terminal directly into a running agent session over WebSocket. This complements the existing InvokeAgentRuntimeCommand API for one-shot execution, giving developers a full terminal experience inside an isolated microVM with colors, tab completion, Ctrl+C, terminal resize, and automatic reconnect on network drop. This is particularly important for developers hosting coding agents such as Claude Code, OpenAI Codex, Amazon Kiro on AgentCore Runtime. In addition to the asynchronous command execution they already had, they can now authenticate, drop into the microVM hosting their coding agent, and interact with it like a local terminal: interact with the agent, inspect files, run ad-hoc commands, or debug the environment state. The shell carries persistent state across commands within the same session, so environment variables, worki

Simplified permissions for Amazon S3 Tables and Iceberg materialized views are now available in AWS GovCloud (US) Regions

5 June 2026 @ 9:11 pm

AWS Glue Data Catalog now supports AWS IAM-based authorization for Amazon S3 Tables and Apache Iceberg materialized views. With IAM-based authorization, you can define all necessary permissions across storage, catalog, and query engines in a single IAM policy. This capability simplifies the integration of S3 Tables or materialized views with any AWS Analytics service, including Amazon Athena, Amazon EMR, Amazon Redshift, and AWS Glue. You can also opt in to AWS Lake Formation at any time to manage fine-grained access controls using the AWS Management Console, AWS CLI, API, and AWS CloudFormation. This feature is now available in AWS GovCloud (US-East) and AWS GovCloud (US-West) Regions. To learn more, visit the S3 Tables documentation and the AWS Glue Data Catalog documentation

Amazon OpenSearch UI is now available in GovCloud regions

5 June 2026 @ 8:40 pm

Amazon OpenSearch Service expands its modernized operational analytics experience to GovCloud regions, including AWS GovCloud (US-East) and AWS GovCloud (US-West), enabling users to gain insights across data spanning managed domains and serverless collections from a single endpoint. The expansion includes Workspaces to enhance collaboration and productivity, allowing teams to create dedicated spaces. Discover is revamped to provide a unified log exploration experience supporting languages such as Piped-Processing-Language (PPL) and SQL, in addition to DQL and Lucene. Discover now features a data selector to support multiple sources, new visual design and query autocomplete for improved usability. This experience ensures users can access the latest UI enhancements, regardless of version of underlying managed cluster or collection. The expanded OpenSearch analytics helps users gain insights from their operational data by providing purpose-built features for observability, sec

Amazon ECS with AWS Fargate now supports 32vCPU compute configurations

5 June 2026 @ 3:00 pm

Amazon Elastic Container Service (Amazon ECS) with AWS Fargate now supports 32vCPU compute configurations, enabling customers to run more demanding applications with greater flexibility and performance. AWS Fargate offers 32vCPU tasks with the following memory configurations: 60 GiB, 120 GiB, or 244 GiB, for both x86-based and ARM-based workloads on Linux. These new task sizes extend Amazon ECS’s capability to support high-performance computing use-cases, large-scale data processing, AI inference, and other compute-intensive workloads. With 32vCPUs and up to 244 GiB of memory, Amazon ECS customers can now deploy larger containers and scale applications beyond previous limits, all while leveraging the reliability, security, and scalability of AWS Fargate. To use the new 32vCPU task sizes, simply configure your task definitions to specify 32 as the vCPU value and select one of the new memory options (60, 120, or 244 GiB), then deploy your Amazon ECS services or tasks as usu

The AWS MCP Server now supports cross-account and cross-role access

5 June 2026 @ 7:00 am

Today, AWS announced cross-account and cross-role access for the AWS Model Context Protocol (MCP) Server, part of the Agent Toolkit for AWS. This feature allows developers using AI coding agents like Kiro, Claude Code, or Codex to work across multiple AWS accounts and AWS Identity and Access Management (IAM) roles within a single session, with no restarts required. Previously, switching profiles required stopping the AI coding session, updating local AWS credentials, and restarting the MCP server for every account change. Now, AI agents using the AWS MCP Server can specify a profile on each command, allowing users to switch between accounts and roles seamlessly. Cross-account access helps developers move faster across multi-account environments. For example, a DevOps engineer can query CloudWatch logs across production and staging accounts to diagnose a performance issue, or an applicat

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

AWS Deadline Cloud now supports plugin sync for service-managed fleets

4 June 2026 @ 4:13 pm

AWS Deadline Cloud now gives you an easier way to deliver plugins to cloud workers when using service-managed fleets. AWS Deadline Cloud is a fully managed service that helps teams run compute-intensive workloads in the cloud for visual effects, animation, product design, simulation, and gaming. Previously, deploying plugins to cloud workers required custom scripting or manual configuration for each digital content creation (DCC) application and version. With this feature, you upload your plugin files to a prescribed path in your queue's job attachments Amazon S3 bucket, much like copying plugins into a shared folder on your workstation, and Deadline Cloud automatically syncs them to workers when a job session starts. This simplifies pipeline setup, reduces configuration errors, and helps you start jobs with the correct plugins in place. Plugin sync is now generally available for Blender and Autodesk Maya, with support for additional DCC applications coming soon. Plu

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

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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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