Scqr by Reflerd Inc. Blog

Posts

21-30

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• Podman 4.3 on Windows 10: Install

  Jan 20, 2023

  @nabbisen
  Summary

  Podman is an engine for virtualization to create and maintain containers on virtual machines. It is developed by Red Hat and published as an open source software (OSS) under Apache License v2.0. The source code is written in Golang.

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• sudoedit (`sudo -e`) security flaw (CVE-2023-22809)

  Jan 19, 2023

  @scqrinc
  Security vulnerability

  A new sudo vulnerability was found. It was on sudoedit (sudo -e) flaw. With it, attackers can edit arbitrary files, and therefore machines were at the risk of the pwned and having information steeled.

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• CVE vulnerabilities on Google Chrome prior to releases around on Dec. 2022

  Jan 11, 2023

  @scqrinc
  Overview

  Google Chrome vulnerabilities

  CVE-2023-0140 (and more)

  Chrome on Windows (and more), whose version is prior to 109.0.5414.74, has risk to make remote attack easy.

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• Rust WebAssembly (wasm) with Webpack on Arch Linux (Rust 1.66)

  Jan 9, 2023

  @nabbisen
  Summary

  WebAssembly (wasm in abbreviation) is “a binary instruction format”. It works on “a stack-based virtual machine”. It is not manually written as code. Instead, it is compiled from various programming languages such as C (programming language), C++, Golang and Rust (rustlang). In addition, it is different in some ways from what assembly is originally.

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• Fix rustup failed with "error: linker `cc` not found" on Alpine Linux 3.17 (Rust 1.66)

  Jan 9, 2023

  @nabbisen
  Summary

  Alpine Linux offers Rustup package as well as Rust.

  I built the development environment of Rust on Alpine Linux with Docker.

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• Rust on Arch Linux: Getting started

  Jan 7, 2023

  @nabbisen
  Summary

  Rust (or rustlang) is one of modern programming languages for general purposes, which is fast, safe and productive for development.

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• PostgreSQL 14: Database migration with pg_dump

  Jan 5, 2023

  @nabbisen
  Summary

  PostgreSQL offers native ways to export database as backup from existing server and import to restore it to another one.

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• Flutter 3 on Arch Linux: Getting started

  Jan 2, 2023

  @nabbisen
  Summary

  Flutter is one of the frameworks to build apps, primarily focusing on the mobile. It is cross-platform so for Both Android and iOS. Their official website says:

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• Symfony 6 and JWT bundles: Refresh token

  Nov 12, 2022

  @nabbisen
  Summary

  Are you interested in JSON Web Token (JWT) authentication and authorization in PHP or Symfony, one of its frameworks? If so, this post might be helpful.

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• Symfony 6 and Lexik JWT Bundle 2: Auth with JSON Web Token

  Nov 12, 2022

  @nabbisen
  Summary

  JWT, JSON Web Token, is one of the open Internet protocol standards, described as “a compact, URL-safe means of representing claims to be transferred between two parties” in RFC 7519 . It is popular and used widely to authenticate where Web API works. It is also available on SSO aka Single Sign-on.

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