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Dbi-Services

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My journey to KubeCon 2025 – Day 1

  • Today marks the author's first day at KubeCon 2025 in London, where excitement and buzz around topics like HAProxy, NGINX, and Kubernetes are already evident.
  • The event, expecting between 12 and 15 thousand attendees, is described as a unique and grand gathering in the IT space.
  • Keynote speakers highlighted the integration of AI and LLM in applications to enhance user experience and manage system complexities more effectively.
  • Initiatives like Microsoft's Headlamp aim to simplify Kubernetes adoption and usage with features like in-cluster web portals and Kubernetes Desktop.
  • The Linux Kernel is evolving with the integration of Rust and C languages to enhance safety, code maintainability, and security.
  • A notable use-case presented involved AI-driven sign language interpretation and recognition, showcasing the role of technology in improving lives.
  • The event also featured various booths representing open source projects, with attendees enjoying swag offerings from companies like RedHat.
  • Updates on the Certified Kubernetes Administrator (CKA) exam were shared, noting a new version's release with increased difficulty.
  • Resources like killer.sh and KodeKloud were recommended for exam preparation.
  • The author also engaged in insightful discussions at booths, including exploring bootable containers with RedHat and discussing potential project collaborations.
  • The day concluded with a promise to continue the journey at KubeCon in the next blog post, teasing future developments and experiences.

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Medium

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When a Row Lock Becomes a Gap Lock: My Real-Life MySQL Adventure

  • The author faced issues with slow queries and an increase in RDS sessions post-release.
  • After debugging and examining the codebase, the author discovered the use of gap locks in InnoDB.
  • Gap locks prevent other transactions from inserting a row into a specific range until the current transaction completes.
  • Using an indexed column helps MySQL precisely lock the specific gap and prevent unnecessary blocking of other transactions.

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Securityaffairs

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Oracle privately notifies Cloud data breach to customers

  • Oracle confirms a cloud data breach, quietly informing customers while downplaying the impact of the security breach.
  • A threat actor claims to possess millions of data lines tied to over 140,000 Oracle Cloud tenants.
  • The hacker has published 10,000 customer records as proof of the hack.
  • Oracle privately notifies customers of the breach, denying that any customer data was compromised.

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Siliconangle

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Mapping Jensen’s world: Forecasting AI in cloud, enterprise and robotics

  • The shift in computing architectures is creating a world where data is transformed into content using tokens for value and real-time action, revolutionizing all aspects of the computing stack.
  • Three AI opportunity vectors highlighted by Jensen Huang include AI in the cloud, enterprise, and the real world, with a forecast methodology developed to track disruptive markets.
  • IT spending expectations have softened, with a notable drop to 3.4% for the year, below 2024 levels, due to market uncertainties like ongoing tariff concerns and market declines.
  • AI spending remains a priority for IT decision makers, with a majority continuing or accelerating their AI initiatives to stay competitive, despite public policy pressures around AI.
  • The data center supercycle forecast shows accelerated computing growing at a 23% CAGR, reaching a trillion dollars by the early 2030s, driven by a shift towards AI-driven infrastructure.
  • Nvidia's focus on AI opportunities in public cloud, on-premises enterprise, and the real world indicates a dramatic rise in accelerated computing, reshaping IT spending patterns.
  • A new forecasting methodology incorporating Volume, Value, and Velocity captures the rise of disruptive AI technologies, accelerating adoption cycles towards AI-optimized infrastructure.
  • Cloud dominates early AI adoption due to advanced tooling, consumer-driven use cases, and immediate ROI, while on-premises enterprise AI adoption ramps up more gradually.
  • Robotics presents significant AI opportunities, with single-purpose robots demonstrating near-term value in automation, while humanoid robots face more complex adoption curves.
  • Accelerated computing is driving AI into every layer of technology, from hyperscale clouds to distributed environments, marking a fundamental shift in computing architectures.

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Dev

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One SQL Query That Could Destroy Your Entire Database (And How Hackers Use It)

  • SQL Injection attacks are a common and dangerous threat in cybersecurity, allowing attackers to bypass logins and access sensitive data.
  • Attackers can bypass login mechanisms using SQL Injection by exploiting vulnerable login scripts.
  • By using techniques like UNION to merge tables, attackers can dump sensitive data like credit card numbers from databases.
  • SQL Injection can be used to execute destructive queries like deleting entire databases in a single line of code.
  • Prevention methods include using parameterized queries, input validation, and avoiding dynamic SQL query building.
  • SQL Injections can also be used for remote command execution, allowing attackers to control operating systems through SQL commands.
  • Experts emphasize the importance of treating user input as hostile to prevent SQL Injection vulnerabilities.
  • Mitigating SQL Injection risks involves disabling features like xp_cmdshell and following least privilege principles for database accounts.
  • SQL Injection attacks are favored by attackers due to their ease of execution and potent impact on databases and systems.
  • Key takeaways include using parameterized queries, validating inputs, auditing permissions, and practicing safe environment simulations.

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Hackernoon

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UUID Makes Everything Better… Doesn’t It?

  • Using UUIDs can have downsides such as performance degradation, index bloat, and maintenance challenges.
  • UUIDs are suitable for distributed systems where unique IDs need to be generated locally to avoid collisions.
  • Generating UUIDs upfront can be beneficial for scenarios like mobile apps requiring immediate identifiers.
  • UUIDs provide security benefits by being hard to guess, making them ideal for public APIs or magic links.
  • They also hide insertion order, preventing users from determining database size or insertion frequency.
  • Common pitfalls of UUIDs include larger index sizes, fragmentation, and decreased insertion and read performance.
  • Sequential IDs like BIGINT may offer better performance and smaller indexes in certain situations.
  • A hybrid approach combining sequential IDs internally and UUIDs externally can balance efficiency and security.
  • UUIDs do not automatically ensure optimal sharding and require a thoughtful strategy for data distribution.
  • Ultimately, choosing between UUIDs and sequential IDs should be based on specific system requirements to maintain database efficiency.

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Medium

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Spring Boot Is Too Bloated for Microservices

  • Spring Boot apps are known for their simplicity and rapid bootstrapping, but they come with a significant amount of complexity.
  • The simplicity of Spring Boot is achieved by hiding the complexity, resulting in the microservice carrying a lot of dependencies.
  • Spring Boot apps are often slower and consume more memory compared to frameworks like Go, Node.js, or Micronaut.
  • Spring Boot apps pull in entire ecosystems of functionality, even though only a fraction is used, leading to architectural debt and performance issues.

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Medium

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Lombok Is a Crutch — You’re Writing Java Wrong

  • Lombok might be doing more harm than good by encouraging developers to ignore good design and lean on shortcuts.
  • Java's verbosity is one of the main reasons for Lombok's popularity, as it reduces the ceremony of writing boilerplate code with annotations.
  • However, Lombok does not address the root problem of writing excessive boilerplate-heavy classes in the first place.
  • Lombok's @Data annotation, often used without much thought, can lead to the exposure of mutable internal state and violation of object-oriented principles.

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Insider

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Stargate developer Crusoe could spend $3.5 billion on a Texas data center. Most of it will be tax-free.

  • Data center developer Crusoe could receive an 85% property tax break on their Texas data center campus.
  • The tax abatement agreement requires Crusoe to spend a minimum of $2.4 billion from a targeted investment of $3.5 billion.
  • The first Stargate data center, part of a joint venture between OpenAI, Oracle, and SoftBank, is located in Abilene, Texas.
  • The abatement also requires Crusoe to create 357 full-time jobs with minimum salaries of $57,600.

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Amazon

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Working with OEM Agent software for Amazon RDS for Oracle

  • Amazon RDS for Oracle is a managed service simplifying Oracle database setup and management in the cloud.
  • Oracle Enterprise Manager (OEM) is a monitoring tool for Oracle databases and applications, offering performance tuning and management.
  • OEM Agent in Amazon RDS for Oracle facilitates monitoring and management by communicating with Oracle Enterprise Manager Cloud Control.
  • Scenarios affecting OEM Agents for Amazon RDS for Oracle are outlined, emphasizing version compatibility and impact on historical metrics data.
  • Configuration of OEM Management Agent on RDS instances involves enabling the OEM Agent option in a custom options group and configuring OMS details.
  • Amazon RDS for Oracle minor version upgrades do not impact OEM Management Agent functionality, as they focus on database patch set updates.
  • OEM Agent upgrades on RDS for Oracle may lead to plugin version mismatch and historical performance data loss, requiring careful consideration.
  • In Multi-AZ failures, the OEM Agent remains functional without reconfiguration due to continuous data replication between primary and standby instances.
  • Renaming RDS instances can cause communication disruptions between OMS and OEM Agents, necessitating reconfiguration and potential data loss.
  • Restoring RDS instances from backups or snapshots may impact OEM Agents differently based on version compatibility, requiring attention to maintain connectivity.

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Dbi-Services

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SQL Server AlwaysOn – Alert database Not Synchronizing / Suspect

  • An alert was received about a database in an AlwaysOn cluster with the state Not Synchronizing / Suspect.
  • The error log showed issues with opening a file on a share, leading to the database being in a suspicious state.
  • Creating files on shares is possible in SQL Server, but it causes problems in an HA system with AlwaysOn AG and automatic seeding.
  • The consequences include the growth of the Tlog file and the potential disk full alert.

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Javarevisited

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How to add Primary key into a New or Existing Table in SQL Server? Example

  • To add a primary key to an existing table in SQL Server, you can use the ALTER clause of SQL.
  • Sometimes tables lack a primary key due to a lack of a column that is both NOT NULL and UNIQUE.
  • Identity columns can be used as a primary key if there is no suitable column in the table.
  • Composite primary keys can be created by combining multiple columns.

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Hackaday

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This Week in Security: Target Coinbase, Leaking Call Records, and Microsoft Hotpatching

  • A recent GitHub Actions supply chain attack targeted Coinbase, starting with the spotbugs/sonar-findbugs repository and exploiting the pull_request_target hook, leading to leaked secrets and access tokens.
  • ZendTo, a file sharing platform, was found to have critical vulnerabilities including a PHP exec() security flaw and issues with legacy md5 passwords, potentially allowing code execution and weak password bypass.
  • Verizon's Call Filter iOS app had a security flaw in the callLogRetrieval endpoint, allowing unauthorized access to call records using JSON Web Tokens, which was promptly addressed by Verizon.
  • Nim's db_postgres module's parameterization method was found to not truly prevent SQL injection attacks, highlighting potential vulnerabilities in the Nim language's handling of SQL queries.
  • Oracle Cloud Classic suffered a breach, distinct from Oracle Cloud, but more details are emerging about a potential data leak and Oracle's response to the incident.
  • Microsoft has introduced in-memory security patching for Windows 11 Enterprise in the 24H2 update, providing hotpatching for security updates on supported machines.
  • GreyNoise researchers observed increased scanning for Palo Alto device login interfaces in March, possibly indicating preparations for an attack on Palo Alto devices.
  • ZDI highlighted Binary Ninja's use in finding use-after-free vulnerabilities and showcased an electric car simulator capable of interacting with real charging stations safely.

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Alvinashcraft

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Dew Drop – April 4, 2025 (#4397)

  • Top links in the tech industry include updates on Babylon.js 8.0, Pluralsight benefits, and Microsoft's 50th-anniversary event speculations.
  • Articles cover topics like scalable document signing, Azure tasks in VS Code, C# 14 key features, and AI model updates.
  • In the design and testing realm, discussions range from refactoring methods to audio designers revolutionizing digital experiences.
  • Content related to mobile, IoT, and game development includes insights on visualizing coal consumption trends and Raspberry Pi projects.
  • Screencasts and videos cover HTML writing efficiency, Microsoft CEO Satya Nadella's interview, and the.NET MAUI community standup.
  • Podcasts feature talks on personal branding, AI, and agile methodologies, while community events discuss vulnerability impacts and Imagine Cup finalists.
  • Database topics explore SQL Server stored procedures, Oracle Database features, and database security in DevSecOps.
  • The SharePoint and M365 section includes updates on SharePoint roadmap pitstops and Microsoft 365 certification controls.
  • PowerShell articles delve into remoting in workgroup environments and announce the Warp Preview for PowerShell.
  • Miscellaneous articles touch on Windows 11 builds, tariffs' impact, new tech releases like Rust 1.86.0, and the availability of a miniature Windows 365 Link PC.
  • Daily reading lists, a geek shelf recommendation, and more link collections provide a variety of tech-related insights and resources.

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TechJuice

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Government Issues Cybersecurity Warning Following Alleged Oracle Cloud Data Breach

  • The National Computer Emergency Response Team (NCERT) has issued an urgent advisory regarding an alleged data breach in Oracle Cloud, raising concerns about data security and unauthorized access.
  • A hacker, known as 'rose87168,' claimed to have accessed Oracle Cloud servers, obtaining over six million records containing Single Sign-On (SSO) login credentials.
  • Experts believe that the breach likely exploited vulnerabilities in SSO authentication and LDAP setups, posing risks of credential-stuffing attacks and potential identity theft.
  • Oracle's response to the breach has drawn criticism, with concerns raised about transparency and prioritization of corporate reputation over customer security.

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