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 WorkSpaces Secure Browser now supports custom domain

6 February 2026 @ 6:00 pm

Amazon WorkSpaces Secure Browser now supports custom domains for your WorkSpaces Secure Browser portals, enabling you to configure portal access through your own domain name instead of the default portal URL. This feature provides users with a more integrated experience using a domain that aligns with your organization's branding for each secure browser session. As an administrator you simply add the custom domain in the WorkSpaces Secure browser portal and set up a reverse proxy (for example Amazon CloudFront). Once set up, traffic is routed through your reverse proxy to the portal endpoint, and WorkSpaces Secure Browser automatically redirects users to the configured custom domain after authentication and authorization. Authentication can be via AWS Identity Center or your own Identity Provider (IdP), supporting both IdP-initiated and service provider-initiated flows. This feature is available at no additional cost in 10 AWS Regions, including US East (N. Virgini

Amazon ECS Managed Instances now available in AWS European Sovereign Cloud

6 February 2026 @ 5:10 pm

Amazon Elastic Container Service (Amazon ECS) Managed Instances is now available in the AWS European Sovereign Cloud. ECS Managed Instances is a fully managed compute option designed to eliminate infrastructure management overhead while giving you access to the full capabilities of Amazon EC2. By offloading infrastructure operations to AWS, you get the application performance you want and the simplicity you need while reducing your total cost of ownership. Managed Instances dynamically scales EC2 instances to match your workload requirements and continuously optimizes task placement to reduce infrastructure costs. It also enhances your security posture through regular security patching initiated every 14 days. You can simply define your task requirements such as the number of vCPUs, memory size, and CPU architecture, and Amazon ECS automatically provisions, configures and operates most optimal EC2 instances within your AWS account using AWS-controlled access. You can also s

Amazon Bedrock AgentCore Browser now supports browser profiles

6 February 2026 @ 5:00 pm

Amazon Bedrock AgentCore Browser now supports browser profiles, enabling you to reuse authentication state across multiple browser sessions without repeated login flows. This feature reduces session setup time from minutes to tens of seconds for enterprise customers processing hundreds or thousands of automated browser sessions daily. Browser profiles persist and reuse browser data including cookies and local storage across multiple sessions. You authenticate to a website once and save the session to a browser profile. When you start a new session using that saved profile, your authentication state is preserved, and you remain logged in. This enables agents to perform tasks on authenticated websites without manual login intervention. You can choose flexible session modes for both read-only and persistent operations, enabling parallel processing where multiple sessions use the same profile simultaneously. This feature is available in all 14

AWS Config now supports 30 new resource types

6 February 2026 @ 4:00 pm

AWS Config now supports 30 additional AWS resource types across key services including Amazon EKS, Amazon Q, and AWS IoT. This expansion provides greater coverage over your AWS environment, enabling you to more effectively discover, assess, audit, and remediate an even broader range of resources. With this launch, if you have enabled recording for all resource types, then AWS Config will automatically track these new additions. The newly supported resource types are also available in Config rules and Config aggregators. You can now use AWS Config to monitor the following newly supported resource types in all AWS Regions where the supported resources are available: Resource Types: AWS::ApplicationSignals::ServiceLevelObjective AWS::IoT::SoftwarePackage

AWS Network Firewall announces new price reductions

6 February 2026 @ 8:00 am

AWS Network Firewall has introduced two pricing improvements for customers. The service has added the hourly and data processing discounts on NAT Gateways that are service-chained with Network Firewall secondary endpoints. Additionally, AWS Network Firewall has removed additional data processing charges for Advanced Inspection, which enables Transport Layer Security (TLS) inspection of encrypted network traffic. Previously, NAT Gateway discounts were limited to primary Network Firewall endpoints, and customers paid additional data processing charges when using Advanced Inspection for TLS inspection in select AWS regions. With these improvements, the NAT Gateway discounts now apply when service-chained with both primary and secondary firewall endpoints. Customers also no longer pay the additional data processing charge for Advanced Inspection that ranged from $0.001/GB to $0.009/GB in 13 AWS regions: Middle East (Bahrain)

Amazon Connect Cases now supports CSV uploads to map related field options

6 February 2026 @ 8:00 am

Amazon Connect Cases now supports using a CSV file to define which field options appear based on other field values, making it easier to configure complex field relationships on case templates. Instead of manually defining valid options — such as applicable defect types based on product category — admins can upload a file to define these relationships at scale, reducing onboarding effort and configuration time. 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) AWS regions. To learn more and get started, visit the Amazon Connect Cases webpage and documentation.

Amazon EC2 G6e instances now available in Dubai region

5 February 2026 @ 7:30 pm

Starting today, the Amazon EC2 G6e instances powered by NVIDIA L40S Tensor Core GPUs is now available in Middle East (UAE) Region. G6e instances can be used for a wide range of machine learning and spatial computing use cases. Customers can use G6e instances to deploy large language models (LLMs) and diffusion models for generating images, video, and audio. Additionally, the G6e instances will unlock customers’ ability to create larger, more immersive 3D simulations and digital twins for spatial computing workloads. G6e instances feature up to 8 NVIDIA L40S Tensor Core GPUs with 48 GB of memory per GPU and third generation AMD EPYC processors. They also support up to 192 vCPUs, up to 400 Gbps of network bandwidth, up to 1.536 TB of system memory, and up to 7.6 TB of local NVMe SSD storage.  Amazon EC2 G6e instances are available today in the AWS US East (N. Virginia, Ohio), US West (Oregon), Asia Pacific (Tokyo, Seoul), Middle East (UAE) and Europe (Frankfurt

AWS Builder ID now supports Sign in with Apple

5 February 2026 @ 7:20 pm

AWS Builder ID, your profile for accessing AWS applications including AWS Builder Center, AWS Training and Certification, AWS re:Post, AWS Startups, and Kiro, now supports Sign in with Apple as a social login provider. This expansion of sign-in options builds on the existing Sign in with Google capability, providing Apple users with a streamlined way to access AWS resources without managing separate credentials on AWS. With Sign in with Apple integration, developers and builders can now enjoy access to their AWS Builder ID profile using their Apple Account credentials. This enhancement eliminates password management complexity, reduces f

Amazon WorkSpaces launches Graphics G6, Gr6, and G6f bundles

5 February 2026 @ 6:00 pm

Today, Amazon WorkSpaces announces the availability of 12 new Graphics G6, Gr6, and G6f WorkSpaces bundles built on the Amazon EC2 G6 family. These bundles expand customers’ options for running graphics-intensive and GPU-accelerated workloads, and are available on both Amazon WorkSpaces Personal and Amazon WorkSpaces Core. The new bundles are designed to support a wide range of performance, memory, and cost requirements: G6 bundles include five sizes with 1:4 vCPU-to-memory configurations, suitable for graphic design, CAD/CAM, and ML model training workloads. Gr6 bundles include two sizes with memory-optimized 1:8 vCPU-to-memory configurations, designed for higher-memory workloads such as 3D rendering, seismic visualization, and GIS processing. G6f bundles include five sizes and offer fractional GPU options (1/8, 1/4, and 1/2 GPU), enabling cost-effective access to GPU ac

AWS Glue launches native REST API connector for universal data integration

5 February 2026 @ 5:00 pm

AWS Glue now offers a native REST-based connector that enables customers to easily read data from any source with a REST-based API. Customers can now create custom connectors to any REST-enabled data source and seamlessly integrate that data into their AWS Glue ETL (Extract, Transform, and Load) jobs. This capability extends AWS Glue's existing connectivity to 100+ non-AWS data sources through 60+ native connectors and additional options on AWS Marketplace. Previously, connecting to proprietary systems or emerging platforms required customers to build custom connectors by providing specialized JARs with the necessary libraries. The new native REST API connector eliminates this complexity, making it easier to integrate data from any REST-enabled source. It reduces operational overhead by eliminating the need to install, update, or manage custom libraries, freeing teams from maintenance burdens. The connector also enhances flexibility, enabling organizations to quickly adapt

networkworld.com

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Information, intelligence and insight for Network and IT Executives.

What hyperscalers’ hyper-spending on data centers tells us

6 February 2026 @ 5:41 pm

As Microsoft, Google, and, on Thursday night, Amazon reported earnings for the final quarter of 2025, many were watching the bottom line — but the real story lurks behind the hyperscalers’ cloud revenue and capital expenditure (capex). As the market quietly shifts from elastic abundance to managed scarcity in the wake of demand for AI processors it’s these numbers that provide better forward indicators of platform resilience and enterprise viability, analysts say. Capex can help pinpoint where the hyperscalers are expecting bottlenecks, useful information for enterprises to plan their own cloud strategy across multiple geographies, said Greyhound Research chief analyst

Musk’s million data centers in space won’t fly, say experts

6 February 2026 @ 5:24 pm

SpaceX CEO Elon Musk has announced plans to put a million data centers in space, a program he hopes will help meet the growing demand for existing facilities on earth driven by the increasing use of AI. Experts, however, have dismissed the idea of data centers in space as completely impractical. Thermal management is one problem they will face: data centers generate enormous heat and because space is a vacuum there would no easy way for that heat to dissipate: it can’t be shed through conduction or convection as in terrestrial data centers, only through radiation. Then there is the problem of malfunctioning data centers and how to fix damaged or malfunctioning hard

Nvidia: Latest news and insights

6 February 2026 @ 3:28 pm

More processor coverage on Network World:Intel news and insights | AMD news and insights With its legacy of innovation in GPU technology, Nvidia

Ruckus makes some noise with preconfigured switches for AV-over-IP networks

6 February 2026 @ 3:28 pm

Ruckus Networks was once best known for being a wireless networking company. A lot has changed over the last several years, as corporate acquisitions have yielded additional assets and capabilities. This week, Ruckus expanded its Pro AV ICX network switch portfolio with new capabilities to help organizations easily manage audio and video (AV) content over Ethernet networks. The new Pro AV ICX switches are AV-optimized and come preconfigured out of the box, offering broad compatibility with existing AV solutions and reducing configuration requirements. They can be managed through RUCKUS One, SmartZone, or as standalone switches, making them suitable for professional residential, hospital

Super Bowl LX raises network expectations

6 February 2026 @ 3:06 pm

We’ve all heard the cliché, “defense wins championships.” In the modern era of the NFL, I’d argue there’s a new MVP that never takes a snap, never makes a tackle, and is completely invisible to the 70,000 fans in the stands. I’m talking about the network. As Levi’s Stadium gears up for Super Bowl LX, the conversation is naturally dominated by point spreads, commercials and halftime shows. But for those of us who live and breathe infrastructure, the real story is happening 40 miles south of San Francisco in Santa Clara. I recently had the chance to walk through the stadium with Costa Kladianos,

Four new vulnerabilities found in Ingress NGINX

6 February 2026 @ 2:54 am

Four security vulnerabilities have been found in the open source Ingress NGINX traffic controller that is extensively used by organizations in Kubernetes deployments. They can only be fixed by upgrading to the latest version. Of the four holes, two are more serious, because they carry CVSS scores of 8.8: CVE-2026-1580 is an improper input validation issue. If the Ingress NGINX controller is configured with a default custom-errors configuration that includes HTTP errors 401 or 403, and if the configured default custom-errors backend is defec

Reports of Nvidia/OpenAI deal in jeopardy are overblown, says Nvidia’s CEO Huang

5 February 2026 @ 6:27 pm

Nvidia CEO Jensen Huang told CNBC  there was no validity to the rumors that he is reconsidering scaling back on his $100 billion investment in data centers for OpenAI, in sharp contrast to reports from the Wall Street Journal. Huang appeared on CNBC’s Mad Money show on February 3 to discuss an alliance between Nvidia and Dassault Systemes (cq). CNBC host Jim Cramer initially discussed that news but then pivoted to the reports Nvidia was reconsidering the OpenAI investment. “Can we end this? Is there really controversy about thi

Cisco: Latest news and insights

5 February 2026 @ 5:09 pm

Cisco (Nasdaq:CSCO) is the dominant vendor in enterprise networking, and under CEO Chuck Robbins, it continues to shake things up.  Cisco is focusing on strategic AI initiatives and partnerships across various regions to build and power AI data centers and ecosystems. This includes collaborations with major players like BlackRock, Global Infrastructure Partners, Microsoft and Nvidia to drive investment and scale AI infrastructure. The networking giant continue

Is private 5G/6G important after all?

5 February 2026 @ 3:33 pm

Private 5G has always had a dedicated but small following in a few verticals, but for the average enterprise the whole topic is a yawn for good reason— they’re very unlikely to need it. The fact that 6G may improve on it when it (eventually) comes along is a bit like embellishing a party story that has already put your friends to sleep. But conditions are changing. What I’m now hearing suggests that the future of IT and enterprise networking may be written in these technologies,

Takeaways from Cisco’s AI Summit

4 February 2026 @ 9:45 pm

Some 15 tech luminaries from companies including Nvidia, OpenAI, Microsoft and Intel took to the stage at Cisco’s second annual AI Summit and talked about how AI technology will change the industry moving forward. The goal of the gathering was to provide a look at how AI is influencing software, compute, infrastructure and IT workers. A number interesting themes emerged from their presentations. Here are some highlights. Influence vs. control Software development was the topic mentioned most o

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.

Download of the day: GIMP 3.0 is FINALLY Here!

18 March 2025 @ 3:45 am

Wow! After years of hard work and countless commits, we have finally reached a huge milestone: GIMP 3.0 is officially released! I am excited as I write this and can't wait to share some incredible new features and improvements in this release. GIMP 2.10 was released in 2018, and the first development version of GIMP 3.0 came out in 2020. GIMP 3.0 released on 16/March/2025. Let us explore how to download and install GIMP 3.0, as well as the new features in this version. Love this? sudo share_on: Twitter - Facebook -

How to list upgradeable packages on FreeBSD using pkg

16 March 2025 @ 8:25 pm

See all FreeBSD related FAQ Here is a quick list of all upgradeable packages on FreeBSD using pkg command. This is equivalent to apt list --upgradable command on my Debian or Ubuntu Linux system. Love this? sudo share_on: Twitter -

Ubuntu to Explore Rust-Based “uutils” as Potential GNU Core Utilities Replacement

16 March 2025 @ 12:17 pm

In a move that has sparked significant discussion within the Ubuntu Linux fan-base and community, Canonical, the company behind Ubuntu, has announced its intention to explore the potential replacement of GNU Core Utilities with the Rust-based "uutils" project. They plan to introduce new changes in Ubuntu Linux 25.10, eventually changing it to Ubuntu version 26.04 LTS release in 2026 as Ubuntu is testing Rust 'uutils' to overhaul its core utilities potentially. Let us find out the pros and cons and what this means for you as an Ubuntu Linux user, IT pro, or developer. Love this? sudo share_on: Twitter -

How to install KSH on FreeBSD

3 March 2025 @ 11:50 pm

See all FreeBSD related FAQ Installing KSH (KornShell) on FreeBSD can be done with either FreeBSD ports or the pkg command. The ports collection will download the KSH source code, compile it, and install it on the system. The pkg method is easier, and it will download a pre-compiled binary package. Hence, it is recommended for all users. KornShell (KSH) has a long history, and many older Unix systems and scripts rely on it. As a result, KSH remains relevant for maintaining and supporting legacy infrastructure. Large enterprises, especially those with established Unix-based systems, continue to use KSH for scripting and system administration tasks. Some industries where KS

Linux Sed Tutorial: Learn Text Editing with Syntax & Examples

3 March 2025 @ 9:47 am

See all GNU/Linux related FAQ Sed is an acronym for "stream editor." A stream refers to a source or destination for bytes. In other words, sed can read its input from standard input (stdin), apply the specified edits to the stream, and automatically output the results to standard output (stdout). Sed syntax allows an input file to be specified on the command line. However, the syntax does not directly support output file specification; this can be achieved through output redirection or editing files in place while making a backup of the original copy optionally. Sed is one of the most powerful tools on Linux and Unix-like systems. Learning it is worthwhile, so in t

How to tell if FreeBSD needs a Reboot using kernel version check

23 February 2025 @ 10:07 pm

See all FreeBSD related FAQ Keeping your FreeBSD server or workstation updated is crucial for security and stability. However, after applying updates, especially kernel updates, you might wonder, "Do I need to reboot my system?" Let's simplify this process and provide a straightforward method for determining whether a reboot is necessary using the CLI, shell script, and ansible playbook. Love this? sudo share_on: Twitter

Critical Rsync Vulnerability Requires Immediate Patching on Linux and Unix systems

15 January 2025 @ 6:04 pm

Rsync is a opensource command-line tool in Linux, macOS, *BSD and Unix-like systems that synchronizes files and directories. It is a popular tool for sending or receiving files, making backups, or setting up mirrors. It minimizes data copied by transferring only the changed parts of files, making it faster and more bandwidth-efficient than traditional copying methods provided by tools like sftp or ftp-ssl. Rsync versions 3.3.0 and below has been found with SIX serious vulnerabilities. Attackers could exploit these to leak your data, corrupt your files, or even take over your system. There is a heap-based buffer overflow with a CVSS score of 9.8 that needs to be addressed on both the client and server sides of rsync package. Apart from that info leak via uninitialized stack contents defeats ASLR protection and rsync server can make client write files outside of destination directory using symbolic links. Love this? sudo share_on:

How to control the SSH multiplexing with the control commands

15 January 2025 @ 8:29 am

See all GNU/Linux related FAQ Multiplexing will boost your SSH connectivity or speed by reusing existing TCP connections to a remote host. This is useful when you frequently connect to the same server using SSH protocol for remote login, server management, using IT automation tools over SSH or even running hourly backups. However, sometimes your SSH command (client) will not respond or get hung up on the session when using multiplexing. Typically, this happens when your public IP changes (IPv4 to IPv6 changes when using DNS names), VPN issues, or firewall cuts connections. Hence, knowing SSH client control commands can save you time and boost your productivity when such gotc

ZFS Raidz Expansion Finally, Here in version 2.3.0

14 January 2025 @ 9:19 am

After years of development and testing, the ZFS raidz expansion is finally here and has been released as part of version 2.3.0. ZFS is a popular file system for Linux and FreeBSD. RAIDz is like RAID 5, which you find with hardware or Linux software raid devices. It protects your data by spreading it across multiple hard disks along with parity information. A raidz device can have single, double, or triple parity to sustain one, two, or three hard disk failures, respectively, without losing any data. Hence, expanding or adding a new HDD is a very handy feature for sysadmins in today's data-sensitive apps. Love this? sudo share_on: Twitter -

How to run Docker inside Incus containers

18 December 2024 @ 5:44 am

See all FFmpeg command releated tutorials Incus and Docker both use Linux kernel features to containerize your applications. Incus is best suited when you need system-level containers that act like traditional VMs and provide a persistent developer experience. On the other hand, Docker containers are ephemeral, i.e., temporary in nature. All files created inside Docker containers are lost when your Docker container is stopped or removed unless you stored them using volumes in different directories outside Docker. Docker is created as a disposable app deployment system. Incus containers are not typically created as disposables, and data is kept inside

heartinternet.co.uk

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Hosting packages for an initial web presence

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.

What is Web Hosting and Why Does Your Business Need It?

6 May 2025 @ 4:54 pm

Without web hosting, your website would not be visible or accessible to users! It is crucial to host your website with a website hosting service to ensure that your business... The post What is Web Hosting and Why Does Your Business Need It? appeared first on Heart Internet.

How to Enable Root Access via SSH on Your VPS for Migration using Plesk

11 March 2025 @ 7:41 am

If you get one of the following messages from the Plesk migrator you should check that you are using root as the username along with the Plesk admin password. “The... The post How to Enable Root Access via SSH on Your VPS for Migration using Plesk appeared first on Heart Internet.

How to Enable Root Access on Your VPS Server Using Plesk

11 March 2025 @ 7:40 am

If you get one of the following messages from the Plesk migrator you should check that you are using root as the username along with the Plesk admin password. “The... The post How to Enable Root Access on Your VPS Server Using Plesk appeared first on Heart Internet.

Are your website fonts sending the right message?

3 February 2025 @ 10:18 am

Did you know that the fonts you use on your website can impact the way your customers perceive and interact with your brand? The post Are your website fonts sending the right message? appeared first on Heart Internet.

Black Friday at Heart Internet

28 November 2024 @ 3:27 pm

Black Friday is here, and we’re bringing you incredible savings to help your business thrive online. From 29th November 2024 to 9th December 2024, you can enjoy 15% off some... The post Black Friday at Heart Internet appeared first on Heart Internet.

13 Easy Ways to Optimise Your Website for Speed and Performance

1 October 2024 @ 2:53 pm

A slow website is like a slow waiter: it doesn’t matter how good the food is if the service is frustratingly sluggish. If your site takes too long to load,... The post 13 Easy Ways to Optimise Your Website for Speed and Performance appeared first on Heart Internet.

serverfault.com

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

HSTS: enlisting in HSTS preload

6 February 2026 @ 10:22 am

I've already asked about this on stackoverflow, but was advised to put the question here. I’m trying to submit my domain for the HSTS preload list, but I’m seeing some strange behavior during the submission process. Error submitting url for HSTS preload The preload form reports that the HTTP → HTTPS redirect does not include an HSTS header. When I test this with curl, I can confirm that the HTTP response indeed does not include the HSTS header. Using curl to see the HTTP response returned The HTTPS response does include it correctly, so the only response missing the header is the initial HTTP request. To rule this out, I updated the server configuration to also send the HSTS header on th

I got the alert from the GCP [closed]

6 February 2026 @ 7:05 am

Action required. Access restricted on some of your VMs due to detected abuse. Contact your project's administrator to resolve the issue. Otherwise, your Compute Engine resources in this project will be suspended. I received the alert above from GCP. What do I need to do? As I am doing nothing wrong on the VMs. I am simply running my application's frontend and backend on the VM.

Why is Headwind MDM's Guice Injector failing to read role.orgadmin.id from config.properties on Debian 13?

5 February 2026 @ 9:45 pm

Environment: OS: Debian 13 (Trixie) Java: OpenJDK 11.0.24 Database: PostgreSQL 17 (Manual login verified) Server: Tomcat 9.0.98 (Manual install in /opt/tomcat) The Issue: Tomcat starts, but the application context is destroyed immediately. The localhost.log reveals over 60 Guice initialization errors. The primary crash is a NullPointerException because the injector is null. Key Error Snippet: Plaintext No implementation for java.lang.Integer annotated with @Named(value="role.orgadmin.id") was bound. while locating java.lang.Integer annotated with @Named(value="role.orgadmin.id") for the 16th parameter of com.hmdm.persistence.UnsecureDAO.(UnsecureDAO.java:100) ... No implementation for java.lang.String annotated with @Named(value="JDBC.driver") was bound. ... No implementation for java.lang.String annotated with @Named(value="smtp.port") was bound. Configuration Det

rpc-gssd.service fails to start on one server

5 February 2026 @ 7:14 pm

In one of the servers with some inspection of configs the service rpc-gssd fails to start. System is Ubuntu 24.04.3 that has nfs-kernel server installed with currently no shares. The configs are: /etc/nfs.conf [general] pipefs-directory=/run/rpc_pipefs [gssd] keytab-file=/etc/krb5.keytab preferred-realm=REALM.COM [mountd] manage-gids=y [svcgssd] principal=nfs/[email protected] verbosity=2 /etc/idmapd.conf [General] Verbosity = 0 # set your own domain here, if it differs from FQDN minus hostname Domain = domain.com [Mapping] Nobody-User = nobody Nobody-Group = nogroup Kerberos is based on Samba AD domain and is generated with user to spn e.g. nfs/domain.com. In logs I get: 2026-02-05T20:59:24.806708+02:00 server01 systemd[1]: Starting rpc-gssd.service - RPC security service for NFS client and server... 2026-02-05T20:59:24.809736+02:00 server01 rpc.gssd[364248]: ERROR: failed to parse nfs/clnt0/info 2026-02-05T20:59:

Anisble bulk call to an API

5 February 2026 @ 3:51 pm

Currently in my ansible task there is an API call and response. Currently it takes one server from the inventory and passing it to API. That API can take 5 serial calls. It works best when the inventory has less than 5 servers. If I target more than 5 servers then it says "API limit reached. Only 5 calls per 300 seconds." But the API can handle 50 servers at a single call. Ex : server name: ["svr1", "svr2".."svr50"] I know there is a seriel key in Ansible in which we can process 5 servers at a time. But I don't want to wait for 5 servers to finish all the task then wait for next batch. Since the API handles 50 servers at a time. Just Fire-and-continue. I want to send as much possible server in bulk for that API call task. Rest task can run serially. Kindly suggest me good way to archive this. My current YML Task 1: Call A uri: https://xyz body: server_names: {{ hostname }} Task 2: reg

SSH/SFTP won’t enable (checkbox reverts) — how to reset SSH without shell?

5 February 2026 @ 2:16 pm

I’m running Synology DSM 7.3.2-86009 Update 1 and can no longer enable SSH or SFTP — the checkbox immediately reverts after clicking Apply. enter image description here I’m logged in as admin and already performed a Mode-1 reset (network/admin reset), but the behavior didn’t change. SSH previously worked, and I had manually edited sshd_config to enable SFTP, so I suspect the SSH service is now broken and won’t start. Since I currently have no shell access, what’s the correct way to reset or repair the SSH service/configuration on DSM?

Azure Database Migration Service with Azure DocumentDB not working ?? (Command serverStatus not supported...)

5 February 2026 @ 11:19 am

Currently trying to migrate an Atlas Mongo DB (hosted on Azure with PrivateLink) to Azure DocumentDB. I first tried it with CosmosDB for Mongo RU and could use the Azure Database Migration Service. It was dead slow plus I got an error so I wanted to try out the vCore model or much rather the new DocumentDB offering which should be pretty much vanilla MongoDB and be compatible with Atlas MongoDB. But Azure Database Migration Service does not let me choose my CosmosDB (DocumentDB) as a Target. Its not in the list. I made it publicly available plus for all Azure Services. I specified the username and password. This is my target Connection String: mongodb+srv://dsdsdsdsdsds:xxxxxxxxxxxx@cdcdcdcd-documentdb.global.mongocluster.cosmos.azure.com/?tls=true&authMechanism=SCRAM-SHA-256&retrywrites=false&maxIdleTimeMS=120000 I tried the ConnectionString method but get the following error: { "resourceId":&qu

Why is Kerberos using RC4 (0x17) when AES is enabled?

5 February 2026 @ 9:42 am

I’m investigating Kerberos Event ID 4769 where the service ticket is encrypted with RC4 (0x17), even though AES is enabled and advertised by all sides. SQLCLS$ (Cluster computer account) Here is the event: A Kerberos service ticket was requested. Account Information: Account Name: [email protected] Account Domain: CONTOSO.DOMAIN Logon GUID: {8d7a3861-1771-7308-2117-75941ece4a7b} Service Information: Service Name: SQLCLS$ Service ID: CONTOSO\SQLCLS$ MSDS-SupportedEncryptionTypes: 0x27 (DES, RC4, AES-Sk) Available Keys: AES-SHA1, RC4 Domain Controller Information: MSDS-SupportedEncryptionTypes: 0x1F (DES, RC4, AES128-SHA96, AES256-SHA96) Available Keys: AES-SHA1, RC4 Network Information: Advertized Etypes: AES256-CTS-HMAC-SHA1-96 AES128-CTS-HMAC-SHA1-96 Additional Information: Ticket Encryption Type: 0x17 Session Encryption Type: 0x12 Failure Code: 0x0 So: The client advertises AES128/AES256 The DC supports AES The service account sup

Dell R760: NVMe software RAID vs separate drives for production Active Directory server

5 February 2026 @ 7:01 am

I'm setting up my first server (Dell PowerEdge R760) and I'm stuck on storage configuration. The client who delivered the server didn't include an Intel VROC key for hardware RAID on NVMe drives, and I'm also unsure about the best way to organize the OS and data. Current setup: 4× SAS SSDs (~7TB each) - configured as RAID 10 via PERC H755 2× NVMe SSDs (~3.5TB each) - no RAID, currently OS is on one NVMe (not critical, can reinstall) My questions: NVMe RAID options without VROC key: What are my alternatives? Software RAID (how effective and popular it is)? Should I mirror the two NVMe drives, or use them separately? OS placement - which is better? OS on NVMe or RAID 10 I genuinely don't know which approach is better for a production server

Why do i keep getting the 500 internal server error when i start up XAMPP? [closed]

4 February 2026 @ 8:30 pm

I keep getting this error message when I start up Xampp and try to log into my localhost wordpress site. Internal Server Error The server encountered an internal error or misconfiguration and was unable to complete your request. Please contact the server administrator at postmaster@localhost to inform them of the time this error occurred, and the actions you performed just before this error. More information about this error may be available in the server error log. Apache/2.4.58 (Win64) OpenSSL/3.1.3 PHP/8.2.12 Server at localhost Port 80" I checked the Apache error logs to see what the issue was and I got: Request exceeded the limit of 10 internal redirects due to probable configuration error. Use 'LimitInternalRecursion' to increase the limit if necessary. Use 'LogLevel debug' to get a backtrace. So i tried replacing my htacesss file from this BEGIN WordPress The directives (lines) between &q

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