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 now offers inbox placement metrics and blocklist monitoring

29 May 2026 @ 9:48 pm

Today, Amazon Simple Email Service (SES) launched a new set of deliverability features that help customers get more information about their outbound sending deliverability performance and reputation. Customers can now see the percentage of messages that are placed in recipient spam folders based on samples of industry data, as well as see when their domains and IPs are listed on public email sender block lists. This makes it easier for customers to optimize their sending content to maximize customer engagement.  Previously, customers could use SES' Virtual Deliverability Manager to visualize the full end-to-end journey of email deliverability metrics. This included delivery rates, bounce rates of various types, as well as complaint, open and click rates. Customers did not have visibility into how many emails were placed in the spam folder, making it difficult to estimate how many emails were actually seen by recipients. Now, based on representative data sampled fr

AWS End User Messaging RCS for Business now available in 20 additional countries

29 May 2026 @ 8:23 pm

AWS End User Messaging now supports RCS for Business messaging in 20 additional countries, bringing the total to 22. Businesses can now send verified, branded RCS messages to customers in Austria, Brazil, Colombia, Czech Republic, Denmark, Dominican Republic, France, Germany, Guatemala, Italy, Mexico, Netherlands, Norway, Peru, Poland, Singapore, Slovakia, Spain, Sweden, and the United Kingdom, in addition to the United States and Canada. Customers can use the existing SendTextMessage API to send RCS messages to these countries with no application changes. Messages are delivered from a recognized business identity, and when a recipient's device does not support RCS, they automatically fall back to SMS for reliable delivery. RCS for Business is available in all AWS Regions where AWS End User Messaging is available. Pricing varies by destination country; see the

Amazon Connect Customer now supports scheduling tasks up to 90 days in advance

29 May 2026 @ 6:00 pm

Amazon Connect Customer now supports scheduling tasks up to 90 days in advance, helping organizations plan, route, and track long-running follow-up work. For example, an insurance team managing an auto repair claim can schedule future tasks for an adjuster visit, parts availability check, and repair completion follow-up, with each task routed to the right team at the right time with relevant claim context. You can schedule tasks using the StartTaskContact API, flows, or the agent workspace. This feature is available in all commercial and AWS GovCloud (US) regions where Amazon Connect Customer is offered. To learn more, see our documentation. To learn more about Connect Customer, visit the Amazon Connect Customer website. 

AWS Shield Advanced introduces DDoS attack flow logs

29 May 2026 @ 5:00 pm

AWS Shield Advanced announces distributed denial-of-service (DDoS) attack flow logs, giving you packet-level visibility into traffic hitting Shield Advanced protected resources during a DDoS attack. The log data is published to Amazon S3, Amazon CloudWatch Logs, or Amazon Data Firehose, for forensic analysis and compliance purposes. The DDoS attack flow logs, capture critical packet-level details, including source and destination IP addresses, ports, protocols, packet and byte counts, source country information, and others. The log data is automatically published to your chosen destination at 5-minute intervals during active attacks. Once published, you can retrieve and analyze your flow log data using your preferred analytics tools, enabling post-incident investigation, threat intelligence gathering, and compliance reporting. To enable flow logs, you must protect the resources with Shield Advanced, and configure log delivery based on your destination. The feature is

AWS Interconnect - multicloud now offers a free 500 Mbps tier

29 May 2026 @ 3:00 pm

AWS Interconnect - multicloud now offers a free 500 Mbps multicloud Interconnect, making it easier to privately connect your workloads on AWS and other public clouds. Customers have been adopting multicloud strategies while migrating more applications to the cloud. With AWS Interconnect - multicloud, AWS simplified the way cloud services providers (CSPs) offer managed, highly-resilient, private connectivity for customers. The specification that powers Interconnect is open and already adopted by Google Cloud and Oracle Cloud Infrastructure (currently in Public Preview), with Microsoft Azure coming later in 2026. Today we are making it easier for customers to evaluate, test, and operate workloads between AWS and another CSP. The new Free Tier Interconnect gives customers a fully managed, 500 Mbps Interconnect to another CSP at no charge on the AWS side, with the same network pat

Amazon Redshift Serverless now offers 4-RPU Minimum Capacity in 7 additional AWS Regions

29 May 2026 @ 3:00 pm

Amazon Redshift now allows you to get started with Amazon Redshift Serverless with a lower data warehouse base capacity configuration of 4 Redshift Processing Units (RPUs) in the Asia Pacific (Hong Kong), Asia Pacific (Seoul), Canada (Central), Europe (London), South America (Sao Paulo), AWS GovCloud (US-East), and AWS GovCloud (US-West) regions. Amazon Redshift Serverless measures data warehouse capacity in RPUs. 1 RPU provides you 16 GB of memory. You pay only for the duration of workloads you run in RPU-hours on a per-second basis. Previously, the minimum base capacity required to run Amazon Redshift Serverless was 8 RPUs. You can start using Amazon Redshift Serverless for as low as $1.50 per hour and pay only for the compute capacity your data warehouse consumes when it is active. For predictable workloads, Amazon Redshift Serverless

Amazon RDS for Oracle now supports April 2026 Release Update and Supplemental Patch Bundle

29 May 2026 @ 7:49 am

Amazon Relational Database Service (Amazon RDS) for Oracle now supports the Oracle April 2026 Release Update (RU) for Oracle Database versions 19c and 21c, and the corresponding Supplemental Patch Bundle for Oracle Database version 19c. We recommend upgrading to the April 2026 RU as it includes security updates for Oracle database products. Starting with April 2026 releases, the Oracle Spatial Patch Bundle has been renamed to Supplemental Patch Bundle (SPB). The SPB includes additional database patches recommended by Oracle for specific use cases, such as Oracle Spatial, Oracle Data Pump, and Oracle GoldenGate. You can apply the April 2026 RU from the Amazon RDS Management Console, or by using the AWS SDK or CLI. To automatically apply updates to your database instance during your maintenance window, enabl

Oracle Database@AWS is now available in twenty AWS Regions

29 May 2026 @ 7:00 am

Oracle Database@AWS is now generally available in eight additional AWS Regions: EU-Central-2 (Zurich), EU-South-1 (Milan), EU-South-2 (Spain), EU-West-3 (Paris), AP-Northeast-3 (Osaka), AP-Southeast-1 (Singapore), AP-Southeast-4 (Melbourne) and SA-East-1 (Sao Paulo). Oracle Database@AWS enables customers to access Oracle Cloud Infrastructure (OCI) managed Oracle Exadata systems within AWS data centers. With this launch, customers in Europe, South America, and Asia Pacific with in-region data residency requirements can migrate on-premises Oracle Exadata and Oracle Real Application Clusters (RAC) applications to AWS. With this expansion, Oracle Database@AWS services are now available in twenty Regions: US-East-1 (N. Virginia), US-West-2 (Oregon), US-East-2 (Ohio), CA-Central-1 (Canada Central), SA-East-1 (Sao Paulo), EU-Central-1 (Frankfurt), EU-West-1 (Dublin), EU-West-2 (London), EU-Central-2 (Zurich), EU-South-1 (Milan), EU-South-2 (Spain), EU-West-3 (Paris), AP-Northeast-

Amazon S3 Tables are now available in two additional AWS Regions

29 May 2026 @ 4:00 am

Amazon S3 Tables are now available in the Asia Pacific (Taipei) and Asia Pacific (New Zealand) Regions. Amazon S3 Tables deliver the first cloud object store with built-in Apache Iceberg support, streamlining tabular data storage at scale. S3 Tables automatically perform continual table maintenance to optimize query efficiency and reduce storage costs as your data lake grows and evolves. Because S3 Tables support the Apache Iceberg standard, your data is easily queryable by both AWS and third-party engines. With the Intelligent-Tiering storage class, S3 Tables automatically manage costs based on access patterns with no performance impact or operational overhead. For more information about the AWS Regions where S3 Tables are available, see S3 Tables AWS Regions and endpoints. To learn more, see the follow

Monitor AWS Budgets directly in Billing and Cost Management Dashboards with new Budgets widget

28 May 2026 @ 8:57 pm

Today, AWS Billing and Cost Management (BCM) announces support for Budgets widgets in BCM Dashboards, giving you the flexibility to customize your cost management console with the views that matter most to your organization. You can now monitor AWS Budgets alongside Cost Explorer reports and Savings Plans and Reserved Instance coverage and utilization reports, all in a single, tailored dashboard. Previously, reviewing budget performance required navigating to a separate console page. Now, finance teams and cloud administrators can add one or more Budgets widgets to any BCM Dashboard, displaying budget name, budgeted amount, actual spend, and forecasted amount. You can filter budgets by name, threshold, and budget type, directly within the widget, and choose which budgets appear on each dashboard, reducing the time spent switching between console pages and enabling faster budget monitoring across teams. Budget widgets are fully integrated with dashboard export capabilities, a

networkworld.com

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Information, intelligence and insight for Network and IT Executives.

Intel focuses on power efficiency and cost with new chip designs

1 June 2026 @ 3:00 am

Intel hopes its latest chips will resolve AI-related power efficiency and cost concerns even as rivals AMD and Nvidia turn up their power consumption to deliver higher performance. The company introduced a flagship Xeon 6+ CPU, a new GPU called Crescent Island, and a new Ethernet controller on Monday. These are the first major data-center releases since Lip-Bu Tan became CEO in March last year. Intel, once a byword for chip innovation, is shifting its philosophy to help customers balance systems for cost and performance, as opposed to selling the mos

Cisco: Latest news and insights

29 May 2026 @ 4:01 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. Standard AI safety benchmarks miss the real threat May 27, 2026: Cisco’s AI Threat Intelligence and Security Research team finds that traditional safety be

Meta considers becoming a hyperscaler

29 May 2026 @ 3:58 pm

Meta has raised the possibility that it could be joining the likes of Amazon, Microsoft and Google in offering cloud services at some point in the future — although potential customers shouldn’t be adding the company to their suppliers list just yet. When asked about plans for offering such services at the company’s annual shareholders meeting,  Meta CEO Mark Zuckerberg said there was a possibility of the company competing with the major hyperscalers. “It’s definitely on the table.” He explained that di

Zero trust isn’t broken, but most companies are doing it wrong

27 May 2026 @ 4:23 pm

Zero trust is 15 years old, and like many teenagers, it can feel misunderstood and underappreciated. The concept of zero trust was first defined by John Kindervag, a Forrester analyst at the time, as a strategy to replace the outmoded perimeter security model with a “never trust, always verify” approach. But going from principle to practice isn’t easy. Accenture reports that 88% of organizations have encountered significant challeng

As AI datacenter memory becomes hot commodity, SK Hynix makes it cooler

27 May 2026 @ 4:04 pm

South Korean semiconductor giant SK Hynix has announced a new type of high-bandwidth memory (HBM) for AI datacenters that improves heat dissipation by integrating a cooling layer within the memory package itself. The change could allow AI processors incorporating the new memory to run faster, or reduce cooling costs. Traditional chip cooling architectures are largely external; heat dissipation happens after it leaves the package. For the HBM memory used by AI, which vertically stacks memory chips on top of one another to improve latency and memory dens

Cisco research finds standard AI safety benchmarks miss the real threat

27 May 2026 @ 1:05 pm

Enterprises deploying closed AI models have generally relied on published safety benchmarks to assess risk before procurement and deployment decisions. New research from Cisco’s AI Threat Intelligence and Security Research team finds those benchmarks may systematically understate the threat. Standard safety tests submit a single adversarial prompt and record the model’s response. Multi-turn attacks work differently. An attacker maintains a conversation across multiple exchanges, iterating and adapting based on each response until the model yields. The report pair

Cisco redefines ‘job-ready’ for network engineers with its certification overhaul

26 May 2026 @ 5:00 pm

Cisco is revamping its flagship Cisco Certified Network Associate (CCNA) certification for the first time in seven years, adding a new AI literacy pillar, more hands-on lab requirements, and a security-first mindset to a credential held by more than 1.8 million professionals worldwide. It’s also adding a new AI-focused module to the expert-level Cisco Certified Internetwork Expert (CCIE) practical exam. The changes represent

2026 network outage report and internet health check

26 May 2026 @ 4:16 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,

IBM plans $2B quantum chip foundry; government will pay half

22 May 2026 @ 5:29 pm

The US government has awarded IBM $1 billion to help establish the first purpose-built quantum chip fabrication unit in the US. The Trump administration’s investment is being matched by IBM itself and will result in the establishment of a new company called Anderon. The new business will build its factory in Albany, New York. IBM has pioneered quantum computing for decades. “Our work in silicon wafer fabrication has been a key to IBM’s success and will

Cisco: AI traffic is radically reshaping WANs

22 May 2026 @ 2:43 pm

AI agents generate up to 450% more network traffic than humans can, and they’re beginning to reshape network traffic patterns in measurable ways. Enterprise network traffic without agentic AI is expected to grow 2.5x in the next decade — agentic AI adoption will push that growth to 9x compared to current traffic levels, driven by autonomous task execution and inference-heavy workflows, according to new research from Cisco. Cisco’s new study, AI Impact on Wide Area Networks 2026, finds AI and agentic AI will not only increa

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

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.

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.

serverfault.com

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

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?

AWS CLI hangs on s3 sync

1 June 2026 @ 1:17 pm

I have ran successfully before a local sync of an S3 bucket (remote to local). Unfortunately, when I try to do it again, even to an empty location, it hangs mid-way. My bucket consists in streamed GitHub audit logs, so it contains hundreds of thousands of tiny files, in a date and time-base directory structure. There is one top-level directory for every year, starting in 2026. Sync now works on directory 2025 and then hangs. After the last file, it stalls at Completed 94.9 MiB/~94.9 MiB (76.4 KiB/s) with ~0 file(s) remaining (calculating...). Downloading directory 2026 never starts. I've tried clearing the cache by deleting the .aws folder in my profile, but that didn't help either... Any thought? Edit I ran it with the --debug flag, but it's not showing anything helpful. The final lines on the console are: 2026-06-01 16:16:23,657 - ThreadPoolExe

Can a Microsoft Teams / Microsoft 365 app be submitted for review while SOC 2 and GDPR certifications are still in progress?

1 June 2026 @ 7:06 am

We are preparing a Microsoft Teams / Microsoft 365 application for Partner Center review and marketplace submission. The application accesses Microsoft 365 organizational data (Teams messages, Outlook data, and related activity signals) through Microsoft Graph after tenant admin consent. Our SOC 2 and GDPR compliance efforts are currently in progress, but the certifications have not yet been completed and we do not want to incorrectly represent them as completed. In the submission process, if asked whether these certifications are completed, we would answer "No" and provide supporting documentation such as: Privacy Policy Terms of Use Security Architecture Documentation Data Handling / Retention Policies Permission Justification Documentation Admin Consent Flow Documentation Our question is: Can an app in this category proceed with Microsoft review while SOC 2 and GDPR certifications are still in progress, or are completed certific

What folder permission is similar to 755? [closed]

1 June 2026 @ 2:11 am

What folder permission is similar to 755? First of all, for over last 8 months I tried for a getting a solution via my hosting company's Advanced Tech Support, and also by searching Google and its AI, but did not received an actual solution. I am on a shared hosting server with only limited access to the Web Host manager (WHM). Therefore, I cannot make any server changes under my WHM. I do have a control panel for my account. The Problem: Currently I have about 200 password protected customers directories under the following website directory where my customers can retrieve their reports and photographs: https://example.com/customers, and I am currently adding more periodically. However, when my customers or I try to access these directories, we get a 500 Internal Server Error. My tech support told me that the folder containing the passwor

ceph-objectstore-tool update-mon-db leads to Mount failed with '(2) No such file or directory'

31 May 2026 @ 5:47 pm

I'm trying to attach a set of OSDs remaining from an old Ceph cluster (which died after a failed system update) into a new one. After creating the new cluster (with the same FSID as the former one), copying the necessary config files and keychains, and symlinking the LVM device to the OSD folder: mixtile@blade3n1:~$ sudo ln -s /dev/ceph-81bc1761-e8f6-446c-96f3-eb1b8f92628b/osd-block-9f7fd40d-0698-40b9-8718-62942b03e263 /var/lib/ceph/osd/osd-2 …I tried to issue this command to recreate the monitor map from the OSD hanging on host #1: mixtile@blade3n1:~$ sudo ceph-objectstore-tool --data-path /var/lib/ceph/osd --no-mon-config --op update-mon-db --mon-store-path /tmp/mon-store Mount failed with '(2) No such file or directory' Which file or directory is missing here? Both paths exist and have ceph:ceph as owner, and the LVM device has also been detected: mixtile@blade3n1:~$ sudo ceph-volume lvm

NFSv4: How to ensure group write permissions on new files and directories with a squashed group?

31 May 2026 @ 2:21 pm

I am running a Debian server using NFSv4 (only v4). The only expected clients are on Linux as well. I am primarilly accessing the fileserver by mounting it in fstab and using a file explorer. My exports file contains entries like this: /data/jellyfin client-hostname(rw,all_squash,anonuid=130,anongid=1002,no_subtree_check,sync) Where uid 130 is user nfs and gid 1002 is group hdd-data. The idea, then, is that the user doesn't matter, what matters is that multiple services belonging to the group hdd-data can all access and modify the files. I can upload movies to jellyfin via nfs, jellyfin can put metadata into those folders, and then I can even browse and move those files with a third, browser-based client. All of the services use system users that rely on having read+write permissions from hdd-data. This is the idea for more than just jellyfin. However, when copy over or create a new fi

Microsoft Teams Search Bar Not Showing Results

30 May 2026 @ 1:04 pm

We are currently using the free version of Microsoft Teams Destop app and are experiencing an issue in Microsoft Teams. Issue Description: In Microsoft Teams, while searching for users/members using the search bar, the application shows the message "Failed to load users". The issue occurs when typing either the first name, partial name, or full name of users. The search results do not populate, and users cannot be selected from the member list. Observed Behavior: Typing any user name in the member search field does not return results. Sometimes the loading spinner appears briefly and then displays "Failed to load users". The issue is affecting normal user/member selection operations. Environment Details: Application: Microsoft Teams Platform: Desktop and Web Issue Started On: 26-05-2026 Number of Affected Users: Multiple users Troubleshooting Already Performed: Restarted Microsoft Teams Tested on another system/browser Request:

Keytab creation with ktpass fails on Windows Server 2025

29 May 2026 @ 9:29 am

We have quite a few service accounts that utilize keytab files. Our keytab files are created with the same command every time. ktpass /princ [email protected] /pass ******** -setpass /kvno 3 /crypto ALL /ptype KRB5_NT_PRINCIPAL /out service.keytab While this command worked fine on previous Windows versions and returned a keytab file, in Windows Server 2025 I get this error instead. ** 0xe KerbHashPasswordEx failed. Failed to create key for keytab. Continuing... Failed to add entry to keytab. How to make the command work on Windows Server 2025?

Microsoft SQL Server on NVMe drive

29 May 2026 @ 4:45 am

I'd like to install MSSQL 2025 on top of Windows Server 2025 Standard. There is nice tweak which switch from SCSI drivers to native NVMe and gives significant storage boost. reg add HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides /v 1176759950 /t REG_DWORD /d 1 /f But then the disk driver changes and the standard hotfix used for years doesn't work anymore, probably due to using nvmedisk.sys instead of stornvme fsutil fsinfo sectorinfo D: LogicalBytesPerSector : 512 PhysicalBytesPerSectorForAtomicity : 4096 PhysicalBytesPerSectorForPe

How can I Enable-OrganizationCustomization in Microsoft 365 after organization stuck in upgrading state for over 3 days?

29 May 2026 @ 12:23 am

I am trying to run Enable-OrganizationCustomization for my new M365 organization but I keep getting the error below for over 3 days now. What should I do to fix it? PS> Enable-OrganizationCustomization Enable-OrganizationCustomization: ||Enabling customization is not allowed because the Organization is currently being upgraded. Please try again after the Upgrade is complete.

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Cheap dedicated server hosting

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