Chimera is a general-purpose Linux-based OS born from unhappiness with the status quo. We aim to create a system that is simple, transparent, and easy to pick up, without having to give up practicality and a rich feature set. It is built from scratch using novel tooling, approaches, and userland. Instead of intentionally limiting ourselves, we strive to achieve both conceptual simplicity and conve
How we got Linux on the iPhone, iPad and other iDevicesIntroductionThe story starts back in 2020 with Corellium releasing Project Sandcastle. I was amazed at the sheer thought of running Linux on an iDevice, especially considering their state-of-the-art SoCs, which keep consistently outperforming the competitors' offerings (or.. plainly trashing them, as was the case with M1!). Some time around th
Connect like there is no firewall. Securely. The Global Socket Tookit allows two users behind NAT/Firewall to establish a TCP connection with each other. Securely. More on https://www.gsocket.io. Video 1: gs-netcat reverse login shell and EEElite-console Video 2: Using gsocket to hijack OpenSSH Video 3: Blitz files through firewalls Features: Uses the Global Socket Relay Network to connect TCP pip
Selecting the right baseThere are a lot of choices when it comes to container base images, so why should you select Red Hat Universal Base Image (UBI)? Well, first off, all of the code in Red Hat Universal Base Image is derived from Red Hat Enterprise Linux (RHEL). To explain why you should choose UBI, we have to talk about the mission of RHEL: “Red Hat Enterprise Linux is your source for safe and
In my last post, Qubes-lite with KVM and Wayland, I described setting up a Qubes-inspired Linux system that runs applications in virtual machines. A Wayland proxy running in each VM connects its applications to the host Wayland compositor over virtwl, allowing them to appear on the desktop alongside normal host applications. In this post, I extend this to support X11 applications using Xwayland. T
この記事は、Supershipグループ Advent Calendar 2021の7日目の記事になります。 先日、sshを使用したファイル転送が回線速度と比べて異常に遅いという現象に遭遇したので、その際に行った調査を再現しつつ原因や対策について書いてみたいと思います。 要約 OpenSSHはデフォルトでinteractiveなセッションに af21 、non-interactiveなセッションに cs1 をDSCP値としてIPヘッダに設定する フレッツ網はIPヘッダのDSCP値を帯域優先サービスで使用しており、契約に応じて指定された優先度以外が設定されたパケットの転送は保証されない そのため、OpenSSHをデフォルト設定のままフレッツ網で使うと通信ができなかったり、速度低下などの悪影響を受ける可能性がある OpenSSHがDSCP値を設定しないようにするためには、IPQoS noneを設
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