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 CloudWatch Logs announces increased query result limits

15 May 2026 @ 9:00 pm

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

Amazon EMR Serverless is now available in additional AWS Regions

15 May 2026 @ 7:50 pm

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

AWS Partner Central agents now accelerates opportunity creation

15 May 2026 @ 6:41 pm

Today, AWS announces that the AWS Partner Central agents now accelerate opportunity creation through natural language conversation. AWS Partner Central agents, released on March 16, 2026, are AI-powered capabilities built on Amazon Bedrock AgentCore that help partners surface pipeline insights, advance deals with next-step recommendations, and identify funding opportunities. With this update, partners create opportunities through a short conversation instead of completing a multi-step form, so partner sales teams spend less time on data entry and more time selling. Partners describe a deal in natural language, upload meeting notes, proposals, or call transcripts (PDF, DOCX, Excel, TXT), or clone an existing opportunity. The agent extracts the information, enriches customer details, and recommends improvements — such as adding missing context, correcting field va

Amazon Connect Cases now lets you edit related items and delete cases from the agent workspace

15 May 2026 @ 5:25 pm

Amazon Connect Cases now supports editing and deleting related items, and deleting cases directly from the agent workspace without administrator help. Agents can update comments, unlink contacts associated with the wrong case, or delete cases opened in error. Agents can also create, edit, and delete custom related items such as orders, returns, and invoices to capture additional case context. Amazon Connect Cases is available in the following AWS regions: US East (N. Virginia), US West (Oregon), Canada (Central), Europe (Frankfurt), Europe (London), Asia Pacific (Seoul), Asia Pacific (Singapore), Asia Pacific (Sydney), Asia Pacific (Tokyo), and Africa (Cape Town). To learn more and get started, visit the Amazon Connect Cases webpage and documentation.

Amazon RDS for PostgreSQL announces Extended Support minor versions 11.22-rds.20260224, 12.22-rds.20260224, and 13.23-rds.20260224

15 May 2026 @ 4:08 pm

Amazon Relational Database Service (RDS) for PostgreSQL announces Amazon RDS Extended Support minor versions 11.22-rds.20260224, 12.22-rds.20260224, and 13.23-rds.20260224. We recommend that you upgrade to these versions to fix known security vulnerabilities and bugs in prior versions of PostgreSQL. Amazon RDS Extended Support provides up to three additional years of critical security and bug fixes beyond a major version's end of standard support date, giving you more time to upgrade to a new major version. Learn more about Extended Support in the Amazon RDS User Guide. You can upgrade your databases during scheduled maintenance windows using automatic minor version upgrades. To simplify operations at scale, enable automatic minor ver

Amazon Managed Grafana now supports in-place upgrade to Grafana version 12.4

15 May 2026 @ 4:06 pm

Amazon Managed Grafana now supports in-place upgrade from Grafana version 10.4 to 12.4. You can upgrade with just a few clicks from the AWS Console or via AWS SDK or AWS CLI. Upgrading to version 12.4 brings native Grafana Scenes-powered dashboards for faster rendering and queryless Drilldown apps for point-and-click exploration of Prometheus metrics, Loki logs, Tempo traces, and Pyroscope profiles. Amazon CloudWatch plugin enhancements simplify log analysis with PPL/SQL query support, broaden visibility through cross-account Metrics Insights, and surface issues proactively with log anomaly detection. The rebuilt table visualization delivers smoother performance with CSS cell styling and interactive Actions buttons, while trendline transformations and navigation bookmarks streamline data exploration.  In-place upgrade to Grafana 12.4 is supported in all 

AWS Organizations now supports higher quotas for service control policies (SCPs)

15 May 2026 @ 3:00 pm

AWS Organizations now supports higher quotas for service control policies (SCPs). The maximum number of SCPs that can be attached to a single node (root, OU, or account) has increased from 5 to 10, and the maximum SCP size has increased from 5,120 to 10,240 characters. With these higher quotas, you can write SCPs with finer-grained permissions and conditions, and attach more SCPs per node to build more comprehensive security controls across your organization. These higher quotas are available in all commercial AWS Regions, the AWS GovCloud (US) Regions, and the China Regions, and are available automatically to all organizations with no action required. To learn more, see quotas for AWS Organizations in the AWS Organizations User Guide.

AWS announces AWS Interconnect - multicloud connectivity with Oracle Cloud Infrastructure in preview

15 May 2026 @ 3:00 pm

AWS announces the public preview of AWS Interconnect — multicloud with Oracle Cloud Infrastructure (OCI). Customers have been adopting multicloud strategies while migrating more applications to the cloud. They do so for many reasons including interoperability requirements, the freedom to choose technology that best suits their needs, and the ability to build and deploy applications on any environment with greater ease and speed. Previously, when interconnecting workloads across multiple cloud service providers (CSPs), customers had to go the route of a ‘do-it-yourself’ multicloud approach, leading to complexities of building and managing global multi-layered networks at scale. AWS Interconnect - multicloud is the first purpose-built product of its kind and a new way of how clouds connect and talk to each other, allowing customers to quickly provision resilient, scalable private connections to other cloud providers. OCI is the latest CSP to adopt the

Amazon CloudFront announces Passthrough Mode for mutual TLS (Viewer)

14 May 2026 @ 10:30 pm

Amazon CloudFront now supports passthrough mode for mutual TLS (mTLS) viewer authentication, allowing CloudFront to forward client certificates to the origin without verifying the certificates on CloudFront. Customers who already validate client certificates at their origin can now add CloudFront to their existing mTLS infrastructure without changing how or where validation happens. In passthrough mode, customers configure mutual TLS on their CloudFront distribution without setting up a trust store. CloudFront forwards every request along with the client's full certificate chain directly to the origin for authentication. Connection functions, which allow customers to inspect or transform connection-level data at the edge, still run on every request, enabling customers to process or reformat certificate headers before requests reach the origin. Customers benefit from CloudFront's global edge network while maintaining their current mutual TLS authentication architecture.

Amazon CloudFront announces support for OCSP Revocation for Mutual TLS (Viewer)

14 May 2026 @ 10:30 pm

Amazon CloudFront now supports Online Certificate Status Protocol (OCSP) revocation checking for viewer mTLS, enabling you to validate client certificate revocation status in real time during connection establishment. This enables customers using mutual TLS (mTLS) on CloudFront  to verify that client certificates haven't been revoked before accepting connections—a common requirement for regulated industries and zero-trust architectures. Previously, customers implemented certificate revocation using CloudFront Functions and KeyValueStore, maintaining static revocation lists that were only as current as the last manual update. With OCSP, CloudFront queries the responder URL embedded in the client certificate at connection time, validating revocation status directly with the issuing Certificate Authority. CloudFront caches OCSP responses for up to 30 minutes to minimize latency impact on subsequent connections. The OCSP result is exposed in the connection function,

networkworld.com

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Information, intelligence and insight for Network and IT Executives.

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

15 May 2026 @ 11:46 am

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

Digital twins reshape network and data center management

15 May 2026 @ 10:00 am

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

Network outages, power failures strain data center resiliency

14 May 2026 @ 6:25 pm

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

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

14 May 2026 @ 2:15 pm

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

Cisco to cut nearly 4,000 jobs despite strong growth in AI, enterprise networking

14 May 2026 @ 2:48 am

Despite reporting positive financial news — including record third-quarter revenue of $15.8 billion, a 12% year-over-year increase — Cisco said it will eliminate almost 4,000 jobs. “We are making changes today that will result in the reduction of our overall workforce in Q4 by fewer than 4,000 jobs, representing less than 5 percent of our total employee base. Most notifications will begin on May 14…” Cisco CEO Chuck Robbins wrote in a blog post about the changes.  “While we are reducing roles in some areas, we are making clear, strategic investment

Startup SPAN teams with Nvidia to put data center nodes in your backyard

13 May 2026 @ 5:58 pm

Even though many communities are in open revolt against massive data centers needed to power artificial intelligence, a startup is betting that homeowners will welcome miniature data centers in their backyards. The startup, an intelligent power management company called SPAN, has partnered with Nvidia and homebu

Hard drive shortages are putting the squeeze on enterprise storage buyers

13 May 2026 @ 4:50 pm

It is no secret that there is a considerable shortage of storage devices, both traditional spinning media and SSDs. It’s always been hard to quantify beyond the “they are out of stock” complaints, but now some companies are sharing tangible stats. Large-capacity hard drives, measuring 18TB or more, now cost up to three times more than their typical prices due to production capacities being entirely booked by hyperscalers. Among those feeling t

Wi-Fi 8 is closer than you think. Here’s what you need to know

13 May 2026 @ 4:41 pm

Wi-Fi 8 is still a couple of years away from broad enterprise deployment, but the work underway in the IEEE and silicon ecosystems will shape wireless LAN design for the next decade. For network engineers, Wi-Fi 8 is more than “Wi-Fi 7, but faster.” It’s a reliability-driven release that begins to turn access points into an edge AI compute platform. From speed to reliability Wi-Fi was a major topic at Extreme Connect, Extreme Networks’ flagship user event. David Coleman, arguably one of the most knowledgeable people

Cisco open-sources agentic AI security spec

13 May 2026 @ 12:11 pm

Cisco has turned over an internally developed specification for agentic AI security evaluation to the GitHub open-source community. The Foundry Security Spec is meant to be used with GitHub’s spec-kit, which is an industry-wide set of development workflows that can be used with different AI agents. The idea is to help customers and the industry create a common framework for evaluating and governing AI agents used in cybersecurity, according to Anthony Grieco

HPE revamps private cloud stack for enterprises rethinking VMware

12 May 2026 @ 5:18 pm

HPE this week announced updates to its private cloud, storage, and data-protection portfolio aimed at enterprise customers who are reevaluating their VMware strategies and looking to ready their infrastructure to handle AI workloads. The updates are delivered through

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

Unique Domain Extensions You Might Not Have Heard Of

15 May 2026 @ 10:30 am

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

Business Email and Website Hosting

8 May 2026 @ 10:30 am

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

What Is the Future of the Internet?

1 May 2026 @ 10:30 am

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

Copy Fail Linux Vulnerability (CVE-2026-31431)

30 April 2026 @ 2:43 pm

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

How to Reduce the Bounce Rate of Your WordPress Site

24 April 2026 @ 10:30 am

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

How to Check for Available Domains

31 March 2026 @ 1:48 pm

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

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

17 March 2026 @ 10:12 am

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

Hosting VPS Linux vs Windows VPS

9 March 2026 @ 3:03 pm

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

Domain Name Transfer Checklist: Everything You Need to Know

3 March 2026 @ 2:56 pm

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

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.

serverfault.com

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

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

15 May 2026 @ 11:56 pm

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

Ubuntu kernel update on Azure?

15 May 2026 @ 6:37 am

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

Cobian backup - native error 00059

15 May 2026 @ 2:38 am

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

How can I automatically delete any deployment of a fine-tuned OpenAI model on Azure that hasn't been used in the past x hours?

14 May 2026 @ 11:58 pm

How can I automatically delete any deployment of a fine-tuned OpenAI model on Azure that hasn't been used in the past x hours? I am aware of 15-day timeout. However, this is too long for me, as this represents a cost of. 15 days * 24 hours/day * 2 USD/hour = 720 USD, and I have often several fine-tuned OpenAI model on Azure, so I am looking at a 4-digit monthly bill for unused models.

How to truncate a zipped file?

14 May 2026 @ 8:02 pm

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

Can Ansible list all hosts that use a specific role?

14 May 2026 @ 1:59 pm

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

Serve Django static content from container with local webserver and SELinux

14 May 2026 @ 1:39 pm

I have a Django application that is running in a container. On container startup, collectstatic is called and static files are collected into a volume that is mounted in the container. I want to serve these static files using the webserver running on the host (not in a container). So basically the webserver on the host should forward everything but /static to the container and serve /static from disk. The setup is working when I disable SELinux. But not with SELinux enabled... The SELinux type of the directory where static files are collected to is container_file_t. With this SELinux type, the webserver cannot read the files (it needs httpd_sys_content_t). The other way around (setting the directory to httpd_sys_content_t) would not allow the container to write the static files there. So either way, one of the parties (either the container or the webserver) is unable to

Is it possible to configure recursing bind9 to try alternate authoritative servers on rejected queries?

14 May 2026 @ 1:03 pm

Context Obviously reality is subject to change, but as I write this, the authoritative nameservers for achewood.com are in an interesting state. According to com., there are 2 authoritative servers: achewood.com. 172800 IN NS ns1.korehosting.net. achewood.com. 172800 IN NS ns2.korehosting.net. ns2 is currently refusing all requests, but ns1 is working fine and shows there are actually 3 authoritative servers: achewood.com. 86400 IN NS ns1.korehosting.net. achewood.com. 86400 IN NS ns3.korehosting.net. achewood.com. 86400 IN NS ns2.korehosting.net. My problem is that my recursive dns server appears to be only trying ns2 (which, again, is refusing all requests), with this showing up in the logs (67.205.174.156 is ns2):

How do I know if I'm using Google Cloud Shielded Virtual Machines

13 May 2026 @ 9:27 am

Having received an email from Google about Secure Boot certificates expiring, I'm not sure if my servers are affected! I'm pretty sure I'm unaffected as these are the Shielded VM settings. If someone could confirm I'd be happy :) Secure Boot Off vTPM Off Integrity Monitoring Off Thanks

Zabbix cannot fetch disk usage from a host

12 May 2026 @ 10:50 am

I set up Zabbix on my infrastructure and added a host. Attempting to fetch disk usage details from the host results in this error: Latest data Details Cannot execute operation Cannot send request: item "FS [(C:)]: Get data" on host "CS-COK-LAP-036" is not monitored. Error Message But it can fetch other metrics. What is the cause?

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Cheap dedicated server hosting

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