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.

aws.amazon.com

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Amazons’s cloud computing & web hosting service.

Amazon SES Mail Manager adds new features for enhanced security and email processing

1 April 2026 @ 9:13 pm

Amazon Simple Email Service (SES) Mail Manager now offers enhancements to email security and processing while simplifying email infrastructure migrations. These enhancements include optional TLS and certificate-based authentication (mTLS) support in Ingress Endpoint, and two new rule actions: Invoke Lambda function and Bounce. These enhancements benefit organizations seeking to maintain compatibility with legacy systems while implementing stronger security controls, and advanced email routing capabilities. For example customers can now configure STARTTLS as an optional TLS configuration, enabling legacy systems that don't support STARTTLS to connect to Mail Manager. With Mutual TLS (mTLS) in Ingress Endpoint customers can now used certificate-based authentication for enhanced security. The Invoke Lambda function rule action allows direct invocation of AWS Lambda functions from rule sets, enabling custom email processing workflows and the Bounce rule action provides RFC-comp

Amazon ECS announces Managed Daemons for ECS Managed Instances

1 April 2026 @ 9:00 pm

Amazon ECS announces Managed Daemons for ECS Managed Instances, enabling organizations to centrally deploy and manage software agents such as security, observability, and networking across their container infrastructure independent of application deployments. By decoupling daemon lifecycle management from application operations, Managed Daemons helps guarantee reliable agent coverage across all workloads, simplifies deployments and version updates, and improves resource utilization by running a single daemon task per managed instance. With Managed Daemons, you can create a daemon for one or more Managed Instances capacity providers in your cluster. ECS places exactly one daemon task per managed instance and guarantees that daemons are running before any application tasks are placed, so cross-cutting functions such as logging, tracing, and metrics collection are always available. ECS orchestrates daemons as independ

Amazon SageMaker Data Agent now supports geo-specific inference for Japan and Australia

1 April 2026 @ 8:30 pm

Amazon SageMaker Data Agent now supports cross-region inference profiles for Japan and Australia through Amazon Bedrock. With this update, inference requests from Data Agent in the Asia Pacific (Tokyo) and Asia Pacific (Sydney) regions are processed within their respective geographies, supporting data sovereignty requirements for customers in Japan and Australia. Data Agent provides an AI-powered conversational experience for data exploration, Python and SQL code generation, troubleshooting, and analytics directly within Amazon SageMaker Unified Studio Notebook and Query Editor. With geo-specific inference through JP-CRIS (Japan Cross-Region Inference) and AU-CRIS (Australia Cross-Region Inference), you can use Data Agent with confidence that your inference requests are routed exclusively within your geography over the AWS Global Network. Customers in regulated industries such as financial services, healthcare, and the public sector can meet data residency requirements while

AWS VPC Encryption Controls now available in AWS GovCloud (US) Regions

1 April 2026 @ 6:20 pm

AWS launches VPC Encryption Controls in AWS GovCloud (US) Regions to make it easy to audit and enforce encryption in transit within and across Amazon Virtual Private Clouds (VPC), and demonstrate compliance with encryption standards. You can turn it on your existing VPCs to monitor encryption status of traffic flows and identify VPC resources that are unintentionally allowing plaintext traffic. This feature also makes it easy to enforce encryption across different network paths by automatically (and transparently) turning on hardware-based AES-256 encryption on traffic between multiple VPC resources including AWS Fargate, Network Load Balancers, and Application Load Balancers. To meet stringent compliance standards like HIPAA, PCI DSS, FedRAMP, and FIPS 140-2, government customers rely on both application layer encryption and the hardware-based encryption that AWS offers across different network paths. AWS provides hardware-based AES-256 encryption transparently between mode

Amazon CloudFront now supports SHA-256 for signed URLs and signed cookies

1 April 2026 @ 5:38 pm

Amazon CloudFront now supports SHA-256 as a hash algorithm for creating signed URLs and signed cookies. SHA-256 provides an improved security posture with stronger collision detection and alignment with modern cryptographic standards, giving you stronger cryptographic signing when restricting access to content. Previously, CloudFront signed URLs and signed cookies used SHA-1 exclusively for signature generation. This feature helps you meet security and compliance requirements that mandate SHA-256 for digital signatures, while also future-proofing your content delivery workflows. To use SHA-256, include the Hash-Algorithm=SHA256 query parameter in your signed URLs, or the CloudFront-Hash-Algorithm=SHA256 cookie attribute for signed cookies. Existing signed URLs and signed cookies that don't specify a hash algorithm continue to use SHA-1, so this change is fully backwards compatible. This feature is available in all edge locations where Amazon CloudFront

Amazon RDS for Oracle now supports cross-account snapshot sharing with additional storage volumes

1 April 2026 @ 3:00 pm

Amazon RDS for Oracle now supports cross-account snapshot sharing for database instances with additional storage volumes. Additional storage volumes allow customers to scale database storage up to 256 TiB by adding up to three storage volumes, each with up to 64 TiB, in addition to the primary storage volume. With this launch, customers can create, share, and copy a database snapshot across AWS accounts for database instances set up with additional storage volumes. Cross account snapshots enable customers to set up isolated backup environments in separate accounts for compliance requirements and to perform diagnostics, such as investigating production issues by restoring database snapshots in a separate account for development and testing. Cross account snapshots for database instances with additional storage volumes preserve the storage layout of the original database instance, including the configuration of additional stora

Amazon Bedrock now supports structured outputs to AWS GovCloud (US) Regions

1 April 2026 @ 10:00 am

Amazon Bedrock is a fully managed service that provides access to a wide selection of high-performing foundation models from leading AI companies through a single API. Today, Amazon Bedrock expands structured outputs support to AWS GovCloud (US) Regions. Structured outputs enables foundation models to return consistent, schema-compliant, machine-readable responses—making it well-suited for government and regulated workloads that must meet strict compliance and data handling requirements. Structured outputs helps with common production tasks, such as extracting key fields and powering workflows that use APIs or tools, where even minor formatting errors can break downstream systems. By ensuring schema compliance, it reduces the need for custom validation logic and lowers operational overhead by minimizing failed requests and retries—so you can confidently deploy AI applications that require predictable, machine-readable outputs. You can use structured outputs either by def

AWS Managed Microsoft AD adds Multi-Region replication for Opt-In regions

1 April 2026 @ 7:00 am

AWS Directory Service for Microsoft Active Directory, also known as AWS Managed Microsoft AD, now supports Multi-Region replication in AWS Opt-In regions. This expands the existing Multi-Region replication capability to additional AWS regions, eliminating the need to create and manually synchronize independent directories in each region and allowing domain-joined workloads in those regions to connect to AWS Managed Microsoft AD. With automated Multi-Region replication, AWS Managed Microsoft AD handles inter-region networking, deploys domain controllers in separate Availability Zones per region, and replicates all directory data including users, groups, Group Policy Objects, and schema. The service configures an Active Directory site per region to optimize authentication performance and minimize cross-region data transfer costs.  Multi-Region replication is available in 

Oracle Database@AWS launches sub-millisecond network latency for high performance applications

1 April 2026 @ 7:00 am

Today, Oracle Database@AWS (ODB@AWS) announced high performance networking that provides customers consistent sub-millisecond roundtrip latency from their AWS applications to the database. Many applications such as payment processing, securities trading, and high volume transaction processing require predictable and consistent low-latency network connectivity to the application database. Customers who run such latency-sensitive applications on Oracle Exadata systems on-premises optimize their infrastructure to obtain the performance that these applications require. With high performance networking for ODB@AWS, customers can now seamlessly migrate these applications to an equivalent optimized environment on AWS. ODB@AWS automatically provides consistent and predictable low-latency network connectivity from Amazon EC2 instances to ODB@AWS databases through optimized placement of co

Amazon CloudWatch now supports ingesting Security Hub CSPM findings with organization-wide enablement

31 March 2026 @ 11:00 pm

Amazon CloudWatch now supports ingesting AWS Security Hub CSPM findings, enabling customers to centrally analyze and monitor security findings directly in CloudWatch Logs. Security Hub CSPM findings are supported in AWS Security Finding Format (ASFF) and Open Cybersecurity Schema Framework (OCSF) format using CloudWatch Pipelines, providing standardized security data ingestion. Customers can now use CloudWatch Logs Insights to query findings, create metric filters for monitoring, and leverage Amazon S3 Tables integration for advanced analytics, helping security teams identify and respond to threats faster across their AWS environment. With today's launch, customers can automatically enable Security Hub findings delivery to CloudWatch Logs using CloudWatch enablement rules that apply to the entire organization or specific accounts, to standardize security monitoring coverage. For example, a security team can create an enablement rule to automatically send Security Hub fi

networkworld.com

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Information, intelligence and insight for Network and IT Executives.

No joke: data centers are warming the planet

2 April 2026 @ 1:02 am

Findings of a new study conducted by a group of academics from around the globe have revealed that land surface temperature (LST) increases by 2°C (3.6°F) on average after the start of operations of an AI data center, an effect detectable up to an estimated 10 kilometers (6.2 miles) away. The study, The data heat island effect: quantifying the impact of AI data centers in a warming world, was conducted by a dozen experts from leading universities in the UK, Singapore, France, Italy a

Vim and GNU Emacs: Claude Code helpfully found zero-day exploits for both

1 April 2026 @ 6:08 pm

Developers can spend days using fuzzing tools to find security weaknesses in code. Alternatively, they can simply ask an LLM to do the job for them in seconds. The catch: LLMs are evolving so rapidly that this convenience might come with hidden dangers. The latest example is from researcher Hung Nguyen from AI red teaming company Calif, who, with simple prompts to Anthropic’s Claude Code, was able to uncover zero-day remote code exploits (RCEs) in the source code of two of the most popular developer text editors, Vim and GNU Emacs. Nguyen started

OpenStack Gazpacho is a dish best served cold for hot cloud networks

1 April 2026 @ 5:17 pm

OpenStack has been running production cloud infrastructure for 15 years, and its 33rd release keeps that record going.  The OpenStack community today released OpenStack 2026.1, code-named Gazpacho, delivering improvements across compute, bare metal, networking and storage focused on operator experience and workload mobility. Gazpacho is the first release since OpenStack 2025.2 Flamingo, which centered on eliminating technical debt and advancing confidential computing support.  Around 500 contributors from 100 organizations delivered 9,000

Tokenomics: Why IT leaders need to pay attention to AI tokens

1 April 2026 @ 5:01 pm

Artificial intelligence has moved rapidly from test beds to enterprise deployment, and AI service providers are popping up daily. As organizations race to embed AI into workflows—everything from market analysis and reporting to automation and digital agents—a new concept has entered the enterprise IT vocabulary: tokenomics. While the term originated in the cryptocurrency world, tokenomics now refers to the economics around running AI models, particularly large language m

Enterprise Spotlight: Setting the 2026 IT agenda

1 April 2026 @ 6:20 am

IT leaders are setting their operations strategies for 2026 with an eye toward agility, flexibility, and tangible business results.  Download the January 2026 issue of the Enterprise Spotlight from the editors of CIO, Computerworld, CSO, InfoWorld, and Network World and learn about the trends and technologies that will drive the IT agenda in the year ahead.

Microsoft facing CMA probe of its business software portfolio

1 April 2026 @ 4:23 am

The regulatory body which last year accused Microsoft of inflating its office software’s license prices when it was run on rival cloud platforms to make those platforms less appealing, said Tuesday it will conduct a further investigation into the company’s entire business software ecosystem. The probe by the UK’s Competition and Markets Authority (CMA), scheduled to begin in May, follows an  earlier investigati

With new Marvell deal, Nvidia is chasing the AI control layer

1 April 2026 @ 1:33 am

Nvidia is betting on heterogeneity as the next phase of enterprise AI. To provide customers more choice and flexibility, the chip giant has announced a new partnership with Marvell Technology that will connect the semiconductor company to the Nvidia AI factory and AI-RAN ecosystems. Nvidia is also investing $2 billion in Marvell, and the two companies will collaborate on next-gen 5G/6G networks that support AI workloads. Nvidia seems to be inking new deals daily, and partnering with companies serving ever

Cisco extends its Enterprise Agreement to include Nutanix Cloud Platform

31 March 2026 @ 7:41 pm

Cisco has extended its Enterprise Agreement (EA) software licensing and services program to include Nutanix and its hyperconverged infrastructure (HCI) package, the Nutanix Cloud Platform. The move is unique in that Cisco included third-party OEM technology in the EA, which typically involves only Cisco networking, software, security and other services, according to a blog

Cato Networks lets enterprises pick their SASE starting point

31 March 2026 @ 6:27 pm

Cato Networks today introduced a modular adoption model for its secure access service edge (SASE) platform that lets enterprises deploy individual security and networking capabilities without committing to a full SASE rollout immediately, while still getting the unified architecture underneath. With the new modular model, organizations can start with any combination of four standalone modules—AI Security, SD-WAN, SSE, and Universal ZTNA—and

2026 network outage report and internet health check

31 March 2026 @ 2:46 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,

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

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.

Heart Internet Win Gapstars Innovation Award 2026

23 February 2026 @ 11:57 am

We’re incredibly proud to celebrate our Site Reliability Engineering team, who have won the Gapstars Innovation Award for their outstanding work improving platform stability, security, and visibility across our shared... The post Heart Internet Win Gapstars Innovation Award 2026 appeared first on Heart Internet.

A/B Testing Explained: A Practical Guide To Better Results | Part 1

20 February 2026 @ 8:32 am

If you want to improve your website you probably need to do A/B testing, otherwise known as split testing. Instead of guessing, A/B testing allows you to experiment more scientifically.... The post A/B Testing Explained: A Practical Guide To Better Results | Part 1 appeared first on Heart Internet.

How to enable two-factor authentication (2FA) on your Heart Internet account

28 January 2026 @ 12:37 pm

Account security matters, and switching on two-factor authentication (2FA) is a quick win. 2FA adds a second check during the sign-in process, so even if someone compromises your password, they still can’t get in.  To enable 2FA:  Step 1: Open your... The post How to enable two-factor authentication (2FA) on your Heart Internet account appeared first on Heart Internet.

How to Choose the Perfect Domain Name for Your Business

9 July 2025 @ 9:30 am

Get Your Name Right – The Internet Never Forgets Choosing a domain name might sound simple – until you realise it’s the online equivalent of naming your child. No pressure.... The post How to Choose the Perfect Domain Name for Your Business appeared first on Heart Internet.

What is a VPS? And is it Time You Got One?

25 June 2025 @ 9:30 am

Discover what a VPS server is, how VPS hosting works, and why it’s ideal for small businesses. Learn the benefits and explore VPS plans with Heart Internet. The post What is a VPS? And is it Time You Got One? appeared first on Heart Internet.

We’re Now Certified by the Green Web Foundation

11 June 2025 @ 9:30 am

💚 Hosting that works hard, treads lightly.   Big news: Heart Internet is now officially listed with the Green Web Foundation. That means our hosting services are recognised as being... The post We’re Now Certified by the Green Web Foundation appeared first on Heart Internet.

serverfault.com

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

Best way to handle Zoom integration conflicts across multiple GoHighLevel accounts?

2 April 2026 @ 5:04 am

I’m working with GoHighLevel and trying to integrate Zoom for scheduling and meetings, but I’ve run into an issue where the Zoom account seems to already be connected to another sub-account. The error message indicates that the Zoom account is already integrated elsewhere, even after attempting to remove integrations from the current account settings. From what I understand, GoHighLevel (LeadConnector) only allows one active connection per Zoom account, but it’s not very clear where the original integration is stored (agency level vs sub-account level). I’ve already tried: Removing integrations from the current sub-account Switching calendar integrations Re-authorizing Zoom Still facing the same issue. What would be the correct way to fully disconnect a Zoom account from all GoHighLevel instances so it can be reconnected cleanly? Also, is there a recommended workflow to avoid this conflict when managing multiple client account

How can I convert a Powershell command into a batch file [migrated]

1 April 2026 @ 7:13 pm

The following command works in PowerShell: .\bcs.ps1 -sites a.com,b.guide,c.com But produces an error when PowerShell is called from the command prompt. I removed the inner quotes and that doesn't work either. powershell -file .\bcs.ps1 -sites "a.com","b.guide","c.com" Any suggestions?

Is there any way to use URL masked serverless backends AND support GRPC?

1 April 2026 @ 4:40 pm

Looking through the docs its not clear to me if this is possible. I have previously use URL masked serverless backends to route to my cloud run services. This is easy to configure on the GCP load balancer and its a one time config and all future cloud run services that are deployed are automatically accessible via https://my-lb.mydom.com/service-abc. The problem is GRPC does not support path based routing. So I can't send GPRC requests to my-lb.mydom.com/service-abc:443. I don't want to use host based routing and I want to avoid Cloud Service Mesh or Traffic Director. Is there no way to support this with vanilla GCE load balancing? If I have to use Cloud Service Mesh and/or Traffic Director does it work with URL masked backends so it automatically routes by cloud run service name?

use Nvidia L40s GPU passthrough on Proxmox [closed]

1 April 2026 @ 1:24 pm

How to configure Proxmox host, which has Nvidia L40s GPU(1) for passthrough to a VM running on same Proxmox host. I have HPE Proloiant DL380 with Intel Xeon Processors. 1 Nvidia L40s GPU card. I want to acheive Pcie passthrough to a VM running on Proxmox.

Is it possible to have custom reload/restart-like commands in systemctl for a daemon?

31 March 2026 @ 4:07 pm

I'm developing a daemon that runs under control of systemd, and that has a feature to reload code that's inbetween "systemctl reload" and "systemctl restart". Unlike "systemctl reload" that sends a signal to re-read just the configuration, it also reloads the code, but unlike "systemctl restart" it's not a true hard restart that forgets all the state, but instead the state is written to a file and a signal causes the daemon to replace its code with execve() and then it reads the old state from the file. Is there any feature in systemd that would allow me to add some custom command to systemctl that would be inbetween reload and restart, just for this daemon? Technically the feature would be implemented by some signal such as SIGUSR1 or SIGUSR2. I'm expecting that there could be cases where a hard restart will be done instead of the lighterweight "dump state + execve + reload state", so it would be useful to have

Powering down idle HDDs in a ZFS pool to conserve power

31 March 2026 @ 8:35 am

I've got a storage server with some NVMe SSDs for system and metadata cache and 24 3.5" HDDs for storing historic data. Since this data is very infrequently accessed (at least once per day for synchronization, often that is the only access at all for several days), it would be good to spin down the drives during the remaining time to conserve power. The system is running Debian (actually Proxmox, but no VMs there) and ZFS. The storage pool is made up of 3x 8-way raidz1, with a mirrored special device on NVMes for metadata storage. The disks are Seagate Exos SAS drives. My questions: Will the drive lifetime decrease (or increase) if they are only active maybe 1/4 of the time, but with at least one spin-down/spin-up every day? Can or do I need to tell ZFS about this behavior, so that it isn't confused by very long initial access times when a drive needs to spin up first? Does ZFS even let a drive go to sleep, or does

libnss-extrausers use cases and details

31 March 2026 @ 5:40 am

What are the use cases for libnss-extrausers? I've seen a couple of examples but the details are lacking. If you use libnss-extrausers, don't you have to change all user and group IDs to keep from colliding with the corresponding /etc files? If this is done then effectively only files with "world" access in directories with "world" access are available. What about home directories, do you use a common directory such as /tmp or what do you do? This is why I'm asking about the use cases to better understand the benefit.

Mutual TLS Abruptly Stopped Working on Tomcat 9 and 11 Servers

30 March 2026 @ 11:06 pm

I have several java webapps running on 2 tomcat servers--with various JDK (17 and 25) and Tomcat versions (9 and 11), in a test/development environment--where the server is configured to request a client certificate. When the browser prompts me, I select my CAC card certificate on the browser popup and then am prompted to enter my pin. The prompts for certificate selection and pin entry have always occurred immediately after navigating to the url (so there is no post-handshake authentication). Unfortunately, this stopped working for me; one day it was working and another day it totally stopped. I am 100% certain that no server nor personal configurations changed since the time it was working; no server, connector, JDK, or any other settings were manually changed. And even more strange, it is very inconsistent between users: it still works 100% for one team member, it works only on Firefox for another team member, a third memeber can only get it to sometimes work in Chrome's p

Strange permissions on shared Start Menu folders in Windows 10 IoT Enterprise LTSC

30 March 2026 @ 9:04 pm

I have a fleet of Dell OptiPlex 3000 machines that were purchased due to one reason only: legal license for Windows 10 IoT Enterprise LTSC. I am getting very strange set of permissions on a clean re-install on certain folders that relate to the shared Start Menu: C:\Users\All Users\Start Menu\Programs S-1-5-21-3671523672-3566060235-3176437112-1000:(I)(OI)(CI)(DE,DC) DESKTOP-UROR7BK\admin:(I)(OI)(CI)(DE,DC) NT AUTHORITY\SYSTEM:(I)(OI)(CI)(F) BUILTIN\Administrators:(I)(OI)(CI)(F) BUILTIN\Users:(I)(OI)(CI)(RX) Everyone:(I)(OI)(CI)(RX) C:\Users\All Users\Start Menu Everyone:(DENY)(S,RD) Everyone:(RX) NT AUTHORITY\SYSTEM:(F) BUILTIN\Administrators:(F) C:\Users\All Users NT AUTHORITY\SYSTEM:(OI)(CI)(F) BUILTIN\Administrators:(OI)(CI)(F) CREATOR OWNER:(OI)(CI)(IO)(F) BUILTIN\Users:(OI)(CI)(RX) BUILTIN\Users:(CI)(WD,AD,WEA,WA) C:\Users NT AUTHORITY\SYSTEM:(OI)(CI)(F) BUILTIN\Administrators:(OI)(CI)(F) BUILTIN\Users:(RX) BUILTIN\Users:(OI)(CI)(IO)(

Delete Fails when Windows NFS mounted on Linux vm

30 March 2026 @ 5:37 pm

I have a windows NFS setup with AD and on mounting it in linux vm. I’m able to create and edit the files but not able to delete the files. The user seems to be correctly mapped but delete fails. I have even given full control to the user but it still doesn’t work. Can someone help me understand the possible causes for this? The delete works correctly on the windows machine.

poundhost.com

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Cheap dedicated server hosting

tagadab.com

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Cheap developer VPS hosting from £10