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How is it going for you all working on projects for this platform? I’ve read that sometimes they ban you without even giving you a heads up, is that true? Also, I’d like to ask about the tests they give you for software projects before accepting you; are they actually very difficult? Do I need to have AI level problem solving skills or something similar to get accepted? How is the hourly pay working out? Is it truly hourly, and are deposits made weekly? Thanks for reading, everyone; I’m curious about remote work and want to get started. submitted by /u/ClarkKennedy929 [link] [留言]

submitted by /u/lood9phee2Ri [link] [留言]

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TL;DR Collapsed a billing model from à-la-carte features to plans-only, in four safe phases. Unified authorization across web, API, and MCP so all three obey one permission layer. Fixed a legacy Oracle password-sync writing to the wrong column. Four repos moved today. Here's the thread that ties most of them together: one source of truth beats two. Billing: plans-only Spent most of the day migrating a SaaS off per-feature à-la-carte subscriptions and onto plans-only entitlements. The interesting part isn't the model — it's doing it without a billing outage: seed plans, switch reads to plans, backfill every org, then delete the old machinery. Expand/contract, four deployable phases. Full write-up in the focused post. One permission layer for three surfaces An ops tool exposed the same actions three ways — web UI, API, and an MCP server for agent access. The bug: each surface checked authorization slightly differently, so an MCP tool could allow something the web UI blocked. The fix was to make the MCP tools gate on the same permission layer as everything else, so: web ─┐ API ─┼─► one permission check ─► allow / deny MCP ─┘ TL;DR: web ≡ API ≡ MCP — three doors, one lock. Also added a dedicated support-engineer role scoped for debugging without handing over the keys to everything, plus identity/diagnostics/SLA read tools so an agent can answer "why didn't this notification send?" without shell access. Before After Each surface authorizes its own way Single permission check, shared MCP tool could out-permission the UI MCP bound to the same guard No debug-scoped role support_engineer role, read-only diagnostics Legacy Oracle password sync Smaller but sharp: a password reset was writing to the wrong Oracle column and also touching a date_modified field it had no business updating. Routed the student reset to the correct password column and dropped the stray write. Lesson with legacy schemas — the column that looks right and the column the app actually reads from are not a

TL;DR Moved a SaaS from à-la-carte feature subscriptions (pay per feature) to plans-only (pay for a tier, get its features). Did it in four phases so nothing broke mid-flight: seed plans → gate on plans → migrate orgs → delete the old machinery. Lesson: model migrations are safest as expand → migrate → contract , not a big-bang swap. The problem The old billing let an org subscribe to individual features à la carte. Flexible on paper, painful in practice: entitlement logic had two sources of truth (per-feature subscriptions and an implicit plan), and every gate had to check both. Time to collapse it into one model — you buy a plan , the plan carries the features. The trap with this kind of change is the temptation to rip out the old columns and ship. Do that and every in-flight subscription, every gate check, and every webhook that still speaks the old language breaks at once. The phased plan I ran it as four ordered migrations. Each phase is deployable on its own and leaves the app working. Phase What it does Why this order F1 Seed Plans into the prerequisite chain New model must exist before anything reads it F2 Gate features on the plan, not the feature-sub Reads switch over while writes still dual-run F3 Deploy op migrates existing orgs onto a plan Backfill — nobody left on the old model F4 Remove the à-la-carte machinery Contract — safe only after F3 This is the expand/contract pattern applied to a domain model, not just a schema. Expand (F1) adds the new thing alongside the old. Migrate (F2–F3) moves reads then data. Contract (F4) deletes the old thing once nothing points at it. F1 seed F2 gate on plan F3 backfill orgs F4 drop features ┌────────┐ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │ plans │ --> │ reads: plan │ -> │ every org on │ -> │ delete a-la- │ │ exist │ │ writes: both │ │ a real plan │ │ carte code │ └────────┘ └──────────────┘ └──────────────┘ └──────────────┘ safe safe safe safe Gating on the plan The gate collapses to a single question

Redpanda is a Kafka-API-compatible streaming platform written in C++ with no JVM and no ZooKeeper. This guide installs Redpanda on Ubuntu 24.04, secures it with a Let's Encrypt certificate and SASL/SCRAM authentication, tunes the kernel for production, verifies with a producer/consumer test, and exposes Redpanda Console behind Nginx basic auth. By the end, you'll have a secured, production-tuned single-node Redpanda cluster with a web console. Prerequisite: Ubuntu 24.04 server sized per Redpanda's CPU/memory requirements , non-root sudo user, and a domain A record (e.g. redpanda.example.com ). Install Redpanda $ sudo apt update $ curl -1sLf 'https://dl.redpanda.com/nzc4ZYQK3WRGd9sy/redpanda/cfg/setup/bash.deb.sh' | sudo -E bash Warning: Only run vendor setup scripts you trust — piped curl | sudo bash runs with root privileges. $ sudo apt install redpanda -y $ rpk --version Open the Firewall Port Service Purpose 9092 Kafka API Producer/consumer traffic 8082 Pandaproxy (HTTP) REST access for non-Kafka clients 8081 Schema Registry Avro/Protobuf schema versioning 9644 Admin API Monitoring, config, health checks 33145 Internal RPC Inter-node communication $ sudo ufw allow 9092,8082,8081,9644,33145/tcp $ sudo ufw allow 80/tcp $ sudo ufw allow 443/tcp $ sudo ufw reload Issue a Let's Encrypt Certificate Redpanda ships with plaintext networking by default, fine for a lab, not for anything else. $ sudo apt install certbot -y $ DOMAIN = redpanda.example.com $ EMAIL = admin@example.com $ sudo certbot certonly --standalone -d $DOMAIN --non-interactive --email $EMAIL Certbot stores certs under /etc/letsencrypt/live , readable only by root. Redpanda runs as its own redpanda user, so copy the certs into a dedicated directory: $ sudo mkdir /etc/redpanda/certs $ sudo cp /etc/letsencrypt/live/ $DOMAIN /fullchain.pem /etc/redpanda/certs/node.crt $ sudo cp /etc/letsencrypt/live/ $DOMAIN /privkey.pem /etc/redpanda/certs/node.key $ sudo cp /etc/letsencrypt/live/ $DOMAIN /chain.pem /etc/re

Azure Storage SFTP is Microsoft's managed file transfer service on top of Azure Blob Storage, convenient, but billed continuously per endpoint (roughly $0.30/hour, ~$220/month) and tied to Azure AD. SFTPGo is an open-source file transfer server offering SFTP, FTP/S, and WebDAV with pluggable storage backends (local disk, Azure Blob, S3-compatible, GCS) and no per-endpoint charge. This guide deploys SFTPGo with Docker Compose and Traefik, sets up user auth (password + SSH key + 2FA), connects S3-compatible object storage, and covers the migration path from Azure Storage SFTP. By the end, you'll have a self-hosted file transfer server with the same capabilities at zero endpoint cost. Azure Storage SFTP → SFTPGo Mapping Azure Storage SFTP SFTPGo Equivalent Notes SFTP Endpoint SFTPGo SFTP Server Configurable port, default 2022 Azure Blob Storage Azure Blob backend Native support; point at the same container, no migration needed Azure AD Authentication LDAP/OIDC plugin External identity provider via plugin Local Users Web UI / REST API user management Hierarchical Namespace Virtual directories No HNS requirement Azure Monitor Built-in logging + webhooks/syslog Prerequisite: Linux server with Docker + Compose, a DNS A record for your domain, and (if migrating) an existing Azure Storage account with SFTP enabled plus the Azure CLI installed locally. Deploy with Docker Compose 1. Create the project directories: $ mkdir -p ~/sftpgo/ { data,config } $ cd ~/sftpgo 2. Create the environment file: $ nano .env DOMAIN = sftp.example.com LETSENCRYPT_EMAIL = admin@example.com 3. Create the Compose manifest: $ nano docker-compose.yml services : traefik : image : traefik:v3.6 container_name : traefik command : - " --providers.docker=true" - " --providers.docker.exposedbydefault=false" - " --entrypoints.web.address=:80" - " --entrypoints.websecure.address=:443" - " --entrypoints.web.http.redirections.entrypoint.to=websecure" - " --certificatesresolvers.letsencrypt.acme.httpchallenge=tr