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Rusty Gopher

@terminalFun

Making use of compilers! @Golang @grpcio @AWS @rustlang Experimental Account
Joined April 2020
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41 Followers
814 Posts
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Rusty Gopher @terminalFun
@kartik679 @davetweetlive I see he abused the right guy, u deserve it. I can see a lot of people are abusing u
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Dhanian ๐Ÿ—ฏ๏ธ Verified account @e_opore
Linux Cheatsheet (Beginner to Advanced) System Information โ†’ uname โ†’ Display system information โ†’ uname -a โ†’ Show all system details โ†’ hostname โ†’ Display system hostname โ†’ whoami โ†’ Current logged-in user โ†’ id โ†’ User and group IDs โ†’ uptime โ†’ System uptime and load โ†’ date โ†’ Current date and time โ†’ cal โ†’ Display calendar File & Directory Navigation โ†’ pwd โ†’ Print current directory โ†’ ls โ†’ List files and folders โ†’ ls -la โ†’ Detailed hidden file listing โ†’ cd โ†’ Change directory โ†’ mkdir โ†’ Create directory โ†’ rmdir โ†’ Remove empty directory โ†’ tree โ†’ Show folder structure โ†’ find โ†’ Search files and directories โ†’ locate โ†’ Quickly locate files File Operations โ†’ touch โ†’ Create empty file โ†’ cp โ†’ Copy files and folders โ†’ mv โ†’ Move or rename files โ†’ rm โ†’ Remove files and folders โ†’ shred โ†’ Securely delete files โ†’ cat โ†’ View file contents โ†’ less โ†’ Scroll through file content โ†’ head โ†’ View beginning of file โ†’ tail โ†’ View end of file โ†’ nano โ†’ Terminal text editor โ†’ vim โ†’ Advanced text editor Permissions & Ownership โ†’ chmod โ†’ Change file permissions โ†’ chown โ†’ Change file owner โ†’ chgrp โ†’ Change group ownership โ†’ umask โ†’ Default permission settings โ†’ sudo โ†’ Run command as administrator Process Management โ†’ ps โ†’ Show running processes โ†’ top โ†’ Real-time process monitor โ†’ htop โ†’ Interactive process viewer โ†’ kill โ†’ Terminate process โ†’ killall โ†’ Kill processes by name โ†’ jobs โ†’ Show background jobs โ†’ bg โ†’ Run job in background โ†’ fg โ†’ Bring job to foreground Disk & Storage โ†’ df -h โ†’ Disk space usage โ†’ du -sh โ†’ Folder size usage โ†’ mount โ†’ Mount file systems โ†’ umount โ†’ Unmount file systems โ†’ fdisk โ†’ Disk partition manager โ†’ lsblk โ†’ List block devices Networking โ†’ ping โ†’ Test network connectivity โ†’ ifconfig โ†’ Network interface details โ†’ ip addr โ†’ IP address information โ†’ netstat โ†’ Network statistics โ†’ ss โ†’ Socket statistics โ†’ curl โ†’ Transfer data from URLs โ†’ wget โ†’ Download files from internet โ†’ ssh โ†’ Secure remote login โ†’ scp โ†’ Secure file copy Package Management โ†’ apt โ†’ Debian/Ubuntu package manager โ†’ yum โ†’ RHEL/CentOS package manager โ†’ dnf โ†’ Fedora package manager โ†’ pacman โ†’ Arch Linux package manager โ†’ snap โ†’ Snap package manager โ†’ flatpak โ†’ Flatpak package manager Compression & Archives โ†’ tar โ†’ Archive files โ†’ gzip โ†’ Compress files โ†’ gunzip โ†’ Decompress .gz files โ†’ zip โ†’ Create ZIP archive โ†’ unzip โ†’ Extract ZIP archive Users & Groups โ†’ useradd โ†’ Create new user โ†’ passwd โ†’ Change password โ†’ userdel โ†’ Delete user โ†’ groupadd โ†’ Create new group โ†’ groups โ†’ Show user groups โ†’ su โ†’ Switch user account System Services โ†’ systemctl โ†’ Manage systemd services โ†’ service โ†’ Manage services โ†’ reboot โ†’ Restart system โ†’ shutdown โ†’ Power off system โ†’ journalctl โ†’ View system logs Shell & Scripting โ†’ echo โ†’ Print text output โ†’ alias โ†’ Create command shortcuts โ†’ export โ†’ Set environment variables โ†’ history โ†’ Command history โ†’ bash โ†’ Bash shell โ†’ sh โ†’ Shell interpreter โ†’ chmod +x โ†’ Make script executable Advanced Tools โ†’ grep โ†’ Search text patterns โ†’ awk โ†’ Pattern scanning & processing โ†’ sed โ†’ Stream editor โ†’ xargs โ†’ Build command arguments โ†’ cron โ†’ Schedule tasks โ†’ crontab โ†’ Manage cron jobs โ†’ rsync โ†’ Sync files and directories โ†’ tmux โ†’ Terminal multiplexer โ†’ screen โ†’ Persistent terminal sessions ๐Ÿ“˜ Learn Linux deeper with commands, projects, scripting, and structured guidance: https://t.co/K8f5QY51YZ
e_opore's tweet photo. Linux Cheatsheet (Beginner to Advanced) System Information โ†’ uname โ†’ Display system information โ†’ uname -a โ†’ Show all system details โ†’ hostname โ†’ Display system hostname โ†’ whoami โ†’ Current logged-in user โ†’ id โ†’ User and group IDs โ†’ uptime โ†’ System uptime and load โ†’ date โ†’ Current date and time โ†’ cal โ†’ Display calendar File & Directory Navigation โ†’ pwd โ†’ Print current directory โ†’ ls โ†’ List files and folders โ†’ ls -la โ†’ Detailed hidden file listing โ†’ cd โ†’ Change directory โ†’ mkdir โ†’ Create directory โ†’ rmdir โ†’ Remove empty directory โ†’ tree โ†’ Show folder structure โ†’ find โ†’ Search files and directories โ†’ locate โ†’ Quickly locate files File Operations โ†’ touch โ†’ Create empty file โ†’ cp โ†’ Copy files and folders โ†’ mv โ†’ Move or rename files โ†’ rm โ†’ Remove files and folders โ†’ shred โ†’ Securely delete files โ†’ cat โ†’ View file contents โ†’ less โ†’ Scroll through file content โ†’ head โ†’ View beginning of file โ†’ tail โ†’ View end of file โ†’ nano โ†’ Terminal text editor โ†’ vim โ†’ Advanced text editor Permissions & Ownership โ†’ chmod โ†’ Change file permissions โ†’ chown โ†’ Change file owner โ†’ chgrp โ†’ Change group ownership โ†’ umask โ†’ Default permission settings โ†’ sudo โ†’ Run command as administrator Process Management โ†’ ps โ†’ Show running processes โ†’ top โ†’ Real-time process monitor โ†’ htop โ†’ Interactive process viewer โ†’ kill โ†’ Terminate process โ†’ killall โ†’ Kill processes by name โ†’ jobs โ†’ Show background jobs โ†’ bg โ†’ Run job in background โ†’ fg โ†’ Bring job to foreground Disk & Storage โ†’ df -h โ†’ Disk space usage โ†’ du -sh โ†’ Folder size usage โ†’ mount โ†’ Mount file systems โ†’ umount โ†’ Unmount file systems โ†’ fdisk โ†’ Disk partition manager โ†’ lsblk โ†’ List block devices Networking โ†’ ping โ†’ Test network connectivity โ†’ ifconfig โ†’ Network interface details โ†’ ip addr โ†’ IP address information โ†’ netstat โ†’ Network statistics โ†’ ss โ†’ Socket statistics โ†’ curl โ†’ Transfer data from URLs โ†’ wget โ†’ Download files from internet โ†’ ssh โ†’ Secure remote login โ†’ scp โ†’ Secure file copy Package Management โ†’ apt โ†’ Debian/Ubuntu package manager โ†’ yum โ†’ RHEL/CentOS package manager โ†’ dnf โ†’ Fedora package manager โ†’ pacman โ†’ Arch Linux package manager โ†’ snap โ†’ Snap package manager โ†’ flatpak โ†’ Flatpak package manager Compression & Archives โ†’ tar โ†’ Archive files โ†’ gzip โ†’ Compress files โ†’ gunzip โ†’ Decompress .gz files โ†’ zip โ†’ Create ZIP archive โ†’ unzip โ†’ Extract ZIP archive Users & Groups โ†’ useradd โ†’ Create new user โ†’ passwd โ†’ Change password โ†’ userdel โ†’ Delete user โ†’ groupadd โ†’ Create new group โ†’ groups โ†’ Show user groups โ†’ su โ†’ Switch user account System Services โ†’ systemctl โ†’ Manage systemd services โ†’ service โ†’ Manage services โ†’ reboot โ†’ Restart system โ†’ shutdown โ†’ Power off system โ†’ journalctl โ†’ View system logs Shell & Scripting โ†’ echo โ†’ Print text output โ†’ alias โ†’ Create command shortcuts โ†’ export โ†’ Set environment variables โ†’ history โ†’ Command history โ†’ bash โ†’ Bash shell โ†’ sh โ†’ Shell interpreter โ†’ chmod +x โ†’ Make script executable Advanced Tools โ†’ grep โ†’ Search text patterns โ†’ awk โ†’ Pattern scanning & processing โ†’ sed โ†’ Stream editor โ†’ xargs โ†’ Build command arguments โ†’ cron โ†’ Schedule tasks โ†’ crontab โ†’ Manage cron jobs โ†’ rsync โ†’ Sync files and directories โ†’ tmux โ†’ Terminal multiplexer โ†’ screen โ†’ Persistent terminal sessions ๐Ÿ“˜ Learn Linux deeper with commands, projects, scripting, and structured guidance: https://t.co/K8f5QY51YZ
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AlgoMaster.io Verified account @algomaster_io
Basic OOP Concepts Explained with Clear Examples: 1. ๐„๐ง๐œ๐š๐ฉ๐ฌ๐ฎ๐ฅ๐š๐ญ๐ข๐จ๐ง Hide internal data behind public methods. - Example: A BankAccount class keeps balance and pin private. The only way to interact with it is through deposit() and getBalance(). 2. ๐€๐›๐ฌ๐ญ๐ซ๐š๐œ๐ญ๐ข๐จ๐ง Expose a simple interface, hide the complexity behind it. - Example: An EmailService class gives you sendEmail(to, body). Internally, it handles SMTP connections, authentication, and retry logic. The caller doesn't need to know any of that. They just call one method and it works. 3. ๐ˆ๐ง๐ก๐ž๐ซ๐ข๐ญ๐š๐ง๐œ๐ž Let child classes reuse and override behavior from a parent class. - Example: An Animal class defines speak(). Dog extends it and returns "Woof!", Cat extends it and returns "Meow!". Shared logic lives in one place, and each subclass customizes what it needs. 4. ๐๐จ๐ฅ๐ฒ๐ฆ๐จ๐ซ๐ฉ๐ก๐ข๐ฌ๐ฆ Write code that works with multiple types through a common interface. - Example: Define a Shape interface with a draw() method. Now Circle, Rectangle, and Triangle each implement draw() their own way. A single drawShape(Shape s) method works with all of them. โ™ป๏ธ Repost to help others learn this
algomaster_io's tweet photo. Basic OOP Concepts Explained with Clear Examples: 1. ๐„๐ง๐œ๐š๐ฉ๐ฌ๐ฎ๐ฅ๐š๐ญ๐ข๐จ๐ง Hide internal data behind public methods. - Example: A BankAccount class keeps balance and pin private. The only way to interact with it is through deposit() and getBalance(). 2. ๐€๐›๐ฌ๐ญ๐ซ๐š๐œ๐ญ๐ข๐จ๐ง Expose a simple interface, hide the complexity behind it. - Example: An EmailService class gives you sendEmail(to, body). Internally, it handles SMTP connections, authentication, and retry logic. The caller doesn't need to know any of that. They just call one method and it works. 3. ๐ˆ๐ง๐ก๐ž๐ซ๐ข๐ญ๐š๐ง๐œ๐ž Let child classes reuse and override behavior from a parent class. - Example: An Animal class defines speak(). Dog extends it and returns "Woof!", Cat extends it and returns "Meow!". Shared logic lives in one place, and each subclass customizes what it needs. 4. ๐๐จ๐ฅ๐ฒ๐ฆ๐จ๐ซ๐ฉ๐ก๐ข๐ฌ๐ฆ Write code that works with multiple types through a common interface. - Example: Define a Shape interface with a draw() method. Now Circle, Rectangle, and Triangle each implement draw() their own way. A single drawShape(Shape s) method works with all of them. โ™ป๏ธ Repost to help others learn this
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Rusty Gopher @terminalFun
@kartik679 @pawar_swwapnil @davetweetlive @Swiggy You son of a b**ch, you called him a cry baby Whats up with that? Chutiya Kartik
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Sohail
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logs are my friend
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Monkeys
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Dive into #Tech, explore #Business and come #BuildWithTheMonkeys. Discord: https://t.co/VJFKd7EI2N Telegram: monkeys_com_co Insta: monkeys_com_co
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Dave Augustus @davetweetlive
If you're building in Go, use Eino for the workflow and Eino ADK for the agent. Eino handles the modular pipes like RAG, while ADK manages the brain for ReAct patterns and multi-agent handoffs. One builds the track, the other drives the car. #Golang #AI
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Rusty Gopher @terminalFun
@ravikumrz @davetweetlive Indian devs often lie in their CV, even when there is a big gap bw their skillset & the job description. They try to fill it with lies & false commitments. Founders too invest their time, money, family, friends to create employment & in return they expect blunt honesty.
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Event-Driven Architecture
theskilledcoder's tweet photo. Event-Driven Architecture https://t.co/vNHdFQAHrE
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Building images with Docker - from Zero to Hero ๐Ÿณ Prepared a batch of hands-on problems that start from writing your very first Dockerfile and gradually walk you all the way up to using multi-stage builds for more optimal images: - Write Your First Dockerfile https://t.co/hVgJuy0MMN - Write a Dockerfile for a Simple Web Server Application https://t.co/iatxKgHmZX - Write a Dockerfile That Excludes Dev Dependencies from the Production Image https://t.co/xI42A9M1In - Write a Dockerfile for an Application With System-Level Dependencies https://t.co/wFWeXM7NFR - Build and Compile Applications in Dockerfiles https://t.co/MFeONXk68t - Build and Inspect a Container Image With Docker https://t.co/hk1IYdMpGS - Optimize Container Images with Multi-Stage Builds https://t.co/00k1Ix7Sgp Happy building! ๐Ÿ› ๏ธ
iximiuz's tweet photo. Building images with Docker - from Zero to Hero ๐Ÿณ Prepared a batch of hands-on problems that start from writing your very first Dockerfile and gradually walk you all the way up to using multi-stage builds for more optimal images: - Write Your First Dockerfile https://t.co/hVgJuy0MMN - Write a Dockerfile for a Simple Web Server Application https://t.co/iatxKgHmZX - Write a Dockerfile That Excludes Dev Dependencies from the Production Image https://t.co/xI42A9M1In - Write a Dockerfile for an Application With System-Level Dependencies https://t.co/wFWeXM7NFR - Build and Compile Applications in Dockerfiles https://t.co/MFeONXk68t - Build and Inspect a Container Image With Docker https://t.co/hk1IYdMpGS - Optimize Container Images with Multi-Stage Builds https://t.co/00k1Ix7Sgp Happy building! ๐Ÿ› ๏ธ
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Alex Xu Verified account @alexxubyte
HTTP/2 over TCP vs. HTTP/3 over QUIC
alexxubyte's tweet photo. HTTP/2 over TCP vs. HTTP/3 over QUIC https://t.co/3Gu1oldsR8
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Dhanian ๐Ÿ—ฏ๏ธ Verified account @e_opore
HTTP vs HTTPS
e_opore's tweet photo. HTTP vs HTTPS https://t.co/NJJv6Gaw5w
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Alex Xu Verified account @alexxubyte
๐Ÿš€ Last Day to Enroll: Become an AI Engineer | By building, not just watching | Cohort 3! After the amazing response to our first two cohorts, with nearly 1,000 people joining, we are excited to share that weโ€™re opening the next round of Become an AI Engineer. This is not your typical AI course focused only on tools and frameworks. The mission is simple: help engineers build strong foundations and practical end to end skills to grow confidently into AI engineering roles. What makes this cohort stand out: - Learn by building: You will create real world AI applications instead of just watching videos - Clear and structured path: A thoughtfully designed curriculum that takes you from core concepts to advanced topics, step by step - Live feedback and mentorship: Get hands on guidance from instructors and learn alongside peers - Strong community: Learning is faster and more motivating when you are not doing it alone We care deeply about skill building, not passive learning or surface level theory. The goal is for every participant to leave with the confidence and ability to build real AI systems. If learning AI is on your list for the new year, today is the last day to enroll. Check it out here: https://t.co/nqd3c8fWrq
alexxubyte's tweet photo. ๐Ÿš€ Last Day to Enroll: Become an AI Engineer | By building, not just watching | Cohort 3! After the amazing response to our first two cohorts, with nearly 1,000 people joining, we are excited to share that weโ€™re opening the next round of Become an AI Engineer. This is not your typical AI course focused only on tools and frameworks. The mission is simple: help engineers build strong foundations and practical end to end skills to grow confidently into AI engineering roles. What makes this cohort stand out: - Learn by building: You will create real world AI applications instead of just watching videos - Clear and structured path: A thoughtfully designed curriculum that takes you from core concepts to advanced topics, step by step - Live feedback and mentorship: Get hands on guidance from instructors and learn alongside peers - Strong community: Learning is faster and more motivating when you are not doing it alone We care deeply about skill building, not passive learning or surface level theory. The goal is for every participant to leave with the confidence and ability to build real AI systems. If learning AI is on your list for the new year, today is the last day to enroll. Check it out here: https://t.co/nqd3c8fWrq
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Alex Xu Verified account @alexxubyte
Top Software Architectural Styles.
alexxubyte's tweet photo. Top Software Architectural Styles. https://t.co/N9DMBzh4Jd
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Rusty Gopher @terminalFun
@davetweetlive @mulronie @deedydas Maybe he's thinks that Indians can't have opinions or can't live on their own terms. ๐Ÿ˜‚
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Alex Xu Verified account @alexxubyte
Containerization Explained: From Build to Runtime
alexxubyte's tweet photo. Containerization Explained: From Build to Runtime https://t.co/FVcnXAcO8e
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Alex Xu Verified account @alexxubyte
๐Ÿš€ Learn AI in the New Year! Become an AI Engineer | Learn by Doing | Cohort 3 After the amazing success of Cohorts 1 and 2 (with close to 1,000 engineers joining and building real AI skills), Iโ€™m excited to announce the launch of Cohort 3 of Become an AI Engineer! This isnโ€™t just another course on AI tools and frameworks. Our mission is to equip engineers with the solid foundation and complete end-to-end skill set required to excel as AI engineers in todayโ€™s fast-moving world. Hereโ€™s what sets this cohort apart: - Learn by doing: Build real-world AI applications hands-on, far beyond just watching videos. - Structured, systematic curriculum: Progress step by step from core fundamentals to advanced concepts in a carefully crafted learning path. - Live feedback and mentorship: Receive direct guidance and reviews from experienced instructors and peers. - Strong community support: Learning solo is tough โ€” learning together with a motivated community makes it enjoyable and effective! If you missed the previous cohorts and want to ๐ฅ๐ž๐š๐ซ๐ง ๐€๐ˆ ๐ข๐ง ๐ญ๐ก๐ž ๐๐ž๐ฐ ๐˜๐ž๐š๐ซ, this is your perfect opportunity to join Cohort 3 and level up your AI engineering career. Check it out here: https://t.co/nqd3c8gugY
alexxubyte's tweet photo. ๐Ÿš€ Learn AI in the New Year! Become an AI Engineer | Learn by Doing | Cohort 3 After the amazing success of Cohorts 1 and 2 (with close to 1,000 engineers joining and building real AI skills), Iโ€™m excited to announce the launch of Cohort 3 of Become an AI Engineer! This isnโ€™t just another course on AI tools and frameworks. Our mission is to equip engineers with the solid foundation and complete end-to-end skill set required to excel as AI engineers in todayโ€™s fast-moving world. Hereโ€™s what sets this cohort apart: - Learn by doing: Build real-world AI applications hands-on, far beyond just watching videos. - Structured, systematic curriculum: Progress step by step from core fundamentals to advanced concepts in a carefully crafted learning path. - Live feedback and mentorship: Receive direct guidance and reviews from experienced instructors and peers. - Strong community support: Learning solo is tough โ€” learning together with a motivated community makes it enjoyable and effective! If you missed the previous cohorts and want to ๐ฅ๐ž๐š๐ซ๐ง ๐€๐ˆ ๐ข๐ง ๐ญ๐ก๐ž ๐๐ž๐ฐ ๐˜๐ž๐š๐ซ, this is your perfect opportunity to join Cohort 3 and level up your AI engineering career. Check it out here: https://t.co/nqd3c8gugY
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Alex Xu Verified account @alexxubyte
Cloud Load Balancer Cheat Sheet
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Dave Augustus @davetweetlive
Now he can't say, "I'll notify you later".
davetweetlive's tweet photo. Now he can't say, "I'll notify you later". https://t.co/6Efc1hwy70
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Dhanian ๐Ÿ—ฏ๏ธ Verified account @e_opore
MESSAGE BROKERS & QUEUES IN BACKEND WHAT ARE MESSAGE BROKERS & QUEUES Message brokers and queues are backend systems used to enable asynchronous communication between different services or components in an application. CORE IDEA (SIMPLE ANALOGY) โ†’ Think of a post office โ†’ Producers write letters and drop them in a mailbox (queue) โ†’ The post office (message broker) stores and routes the letters โ†’ Receivers collect and read the letters when ready WHY MESSAGE BROKERS ARE NEEDED โ†’ Decouple services so they do not depend on each other directly โ†’ Improve system reliability and fault tolerance โ†’ Handle high traffic without overwhelming services โ†’ Enable background and delayed processing KEY COMPONENTS โ†’ Producer: Service that sends messages โ†’ Queue: Temporary storage for messages โ†’ Message Broker: System that manages queues and routes messages โ†’ Consumer: Service that receives and processes messages HOW MESSAGE QUEUES WORK โ†’ Producer sends a message to the queue โ†’ Message broker stores the message safely โ†’ Consumer pulls the message from the queue โ†’ Message is processed and removed from the queue TYPES OF MESSAGING MODELS โ†’ Point-to-Point: One message is consumed by one consumer โ†’ Publish-Subscribe: One message is delivered to multiple consumers BENEFITS IN BACKEND SYSTEMS โ†’ Better scalability โ†’ Improved performance under load โ†’ Fault isolation between services โ†’ Reliable message delivery COMMON USE CASES โ†’ Order processing systems โ†’ Email and notification services โ†’ Payment processing โ†’ Background jobs and task scheduling โ†’ Microservices communication Grab the BACKEND HANDBOOK https://t.co/QdeNEmpNfI
e_opore's tweet photo. MESSAGE BROKERS & QUEUES IN BACKEND WHAT ARE MESSAGE BROKERS & QUEUES Message brokers and queues are backend systems used to enable asynchronous communication between different services or components in an application. CORE IDEA (SIMPLE ANALOGY) โ†’ Think of a post office โ†’ Producers write letters and drop them in a mailbox (queue) โ†’ The post office (message broker) stores and routes the letters โ†’ Receivers collect and read the letters when ready WHY MESSAGE BROKERS ARE NEEDED โ†’ Decouple services so they do not depend on each other directly โ†’ Improve system reliability and fault tolerance โ†’ Handle high traffic without overwhelming services โ†’ Enable background and delayed processing KEY COMPONENTS โ†’ Producer: Service that sends messages โ†’ Queue: Temporary storage for messages โ†’ Message Broker: System that manages queues and routes messages โ†’ Consumer: Service that receives and processes messages HOW MESSAGE QUEUES WORK โ†’ Producer sends a message to the queue โ†’ Message broker stores the message safely โ†’ Consumer pulls the message from the queue โ†’ Message is processed and removed from the queue TYPES OF MESSAGING MODELS โ†’ Point-to-Point: One message is consumed by one consumer โ†’ Publish-Subscribe: One message is delivered to multiple consumers BENEFITS IN BACKEND SYSTEMS โ†’ Better scalability โ†’ Improved performance under load โ†’ Fault isolation between services โ†’ Reliable message delivery COMMON USE CASES โ†’ Order processing systems โ†’ Email and notification services โ†’ Payment processing โ†’ Background jobs and task scheduling โ†’ Microservices communication Grab the BACKEND HANDBOOK https://t.co/QdeNEmpNfI
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e_opore's profile image
Dhanian ๐Ÿ—ฏ๏ธ Verified account @e_opore
Command Query Responsibility Segregation (CQRS) โ†’ CQRS is an architectural pattern that separates read operations (Queries) from write operations (Commands). โ†’ Commands change system state. โ†’ Queries only read data and never modify it. โ†’ This separation allows each side to scale, optimize, and evolve independently. Core Concepts โ†’ Command โ†’ An action that changes data (CreateOrder, UpdateProfile). โ†’ Query โ†’ A request that retrieves data (GetOrderById, ListUsers). โ†’ Write Model โ†’ Handles business rules, validation, and state changes. โ†’ Read Model โ†’ Optimized for fast data retrieval (often denormalized). How It Works โ†’ Client sends Command โ†’ Command Handler โ†’ Write Model โ†’ Database โ†’ Client sends Query โ†’ Query Handler โ†’ Read Model โ†’ Optimized Read Store โ†’ Commands and Queries use separate paths and may use different databases. Simple Analogy: Bank System โ†’ Commands = Depositing or withdrawing money (changes balance). โ†’ Queries = Checking account balance or transaction history (read-only). โ†’ You donโ€™t update your balance when checking it โ€” responsibilities are clearly separated. Benefits โ†’ Improved performance for read-heavy systems. โ†’ Independent scaling of reads and writes. โ†’ Clear separation of responsibilities. โ†’ Easier optimization of data models for specific use cases. โ†’ Works well with Event-Driven systems. Drawbacks โ†’ Increased architectural complexity. โ†’ Eventual consistency between read and write models. โ†’ More infrastructure to manage (multiple models, stores). โ†’ Overkill for small or simple applications. Best Practices โ†’ Use CQRS only when complexity is justified. โ†’ Pair CQRS with Event Sourcing when auditability is needed. โ†’ Keep commands task-focused and explicit. โ†’ Optimize read models for UI needs, not domain purity. โ†’ Handle eventual consistency gracefully in the UI. When to Use โ†’ Systems with high read/write imbalance. โ†’ Complex business domains with many rules. โ†’ Applications requiring scalability and performance. โ†’ Event-driven or microservices-based systems. ๐Ÿ“˜ Grab the Mastering Software Architectures Ebook: From Monoliths to Microservices and Beyond A practical guide covering CQRS, MVC, MVVM, MVP, Layered, Client-Server, SOA, Event-Driven, Microservices, and P2P architectures โ€” with clear explanations, analogies, and real-world use cases. ๐Ÿ‘‰ https://t.co/rQ5uqOjO5c
e_opore's tweet photo. Command Query Responsibility Segregation (CQRS) โ†’ CQRS is an architectural pattern that separates read operations (Queries) from write operations (Commands). โ†’ Commands change system state. โ†’ Queries only read data and never modify it. โ†’ This separation allows each side to scale, optimize, and evolve independently. Core Concepts โ†’ Command โ†’ An action that changes data (CreateOrder, UpdateProfile). โ†’ Query โ†’ A request that retrieves data (GetOrderById, ListUsers). โ†’ Write Model โ†’ Handles business rules, validation, and state changes. โ†’ Read Model โ†’ Optimized for fast data retrieval (often denormalized). How It Works โ†’ Client sends Command โ†’ Command Handler โ†’ Write Model โ†’ Database โ†’ Client sends Query โ†’ Query Handler โ†’ Read Model โ†’ Optimized Read Store โ†’ Commands and Queries use separate paths and may use different databases. Simple Analogy: Bank System โ†’ Commands = Depositing or withdrawing money (changes balance). โ†’ Queries = Checking account balance or transaction history (read-only). โ†’ You donโ€™t update your balance when checking it โ€” responsibilities are clearly separated. Benefits โ†’ Improved performance for read-heavy systems. โ†’ Independent scaling of reads and writes. โ†’ Clear separation of responsibilities. โ†’ Easier optimization of data models for specific use cases. โ†’ Works well with Event-Driven systems. Drawbacks โ†’ Increased architectural complexity. โ†’ Eventual consistency between read and write models. โ†’ More infrastructure to manage (multiple models, stores). โ†’ Overkill for small or simple applications. Best Practices โ†’ Use CQRS only when complexity is justified. โ†’ Pair CQRS with Event Sourcing when auditability is needed. โ†’ Keep commands task-focused and explicit. โ†’ Optimize read models for UI needs, not domain purity. โ†’ Handle eventual consistency gracefully in the UI. When to Use โ†’ Systems with high read/write imbalance. โ†’ Complex business domains with many rules. โ†’ Applications requiring scalability and performance. โ†’ Event-driven or microservices-based systems. ๐Ÿ“˜ Grab the Mastering Software Architectures Ebook: From Monoliths to Microservices and Beyond A practical guide covering CQRS, MVC, MVVM, MVP, Layered, Client-Server, SOA, Event-Driven, Microservices, and P2P architectures โ€” with clear explanations, analogies, and real-world use cases. ๐Ÿ‘‰ https://t.co/rQ5uqOjO5c
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_aircorridor's profile image
Aircorridor Verified account @_aircorridor
Cloudflare hides 19.3% of all websitesโ€”but not perfectly. CloudRip scans subdomains to find IPs not behind Cloudflare protection, exposing the real origin server: https://t.co/cRzA62yQ5q @three_cube
_aircorridor's tweet photo. Cloudflare hides 19.3% of all websitesโ€”but not perfectly. CloudRip scans subdomains to find IPs not behind Cloudflare protection, exposing the real origin server: https://t.co/cRzA62yQ5q @three_cube https://t.co/nFEJrKCcMq
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