linux-hardened
steam-for-linux
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linux-hardened | steam-for-linux | |
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16 | 463 | |
538 | 4,110 | |
- | 1.4% | |
0.0 | 2.0 | |
11 days ago | 6 days ago | |
C | ||
GNU General Public License v3.0 or later | - |
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linux-hardened
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Question about immutability
Glossing over their hardening guide, we notice that the kernel-hardened package is mentioned. This is a fork of what once was the kernel of GrapheneOS. While this hardened kernel can be used on a variety of distros, unfortunately this doesn't apply to Fedora Silverblue. Furthermore, I haven't seen any mention of the hardened kernel being used on openSUSE Tumbleweed. Therefore I see no reason to believe that this is possible on openSUSE Aeon either. Though, I'd love to be corrected on this!
- How to obtain hardened kernel?
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Is there a security focused Linux distro for desktop users?
Here's the GitHub page for the linux-hardened package in the official Arch repos. You will find that lots of changes come from GrapheneOS. "Forked from GrapheneOS" is in tiny, tiny text near the top-left of the web page underneath the project name.
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Let's Play with the Linux Kernel
Here is the source code for the hardened Linux kernel.
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Deploying Firecracker VMs
so that we can use it liberally in CLI) > **Additionally, here's a 'building from the source section** - https://github.com/firecracker-microvm/firecracker/blob/main/docs/getting-started.md#building-from-source ### Running Firecracker > "*In production, Firecracker is designed to be run securely, inside an execution jail, carefully set up by the jailer binary. This is how our integration test suite does it. However, if you just want to see Firecracker booting up a guest Linux machine, you can do that as well.*" 1. We need to first obtain an "uncompressed Linux kernel binary, and an ext4 file system image (to use as rootfs)" ; great, these are two things that we need to seek out before we move forward in our 'adventure' (*this really feels like a "quest" of some sort, like the ones that they forced you to play on Runescape back in the days*) **How to Decompress Linux Kernel** (explicit instructions to be honest here) - https://0xax.gitbooks.io/linux-insides/content/Booting/linux-bootstrap-5.html **Linux-Hardened Kernel** - https://github.com/anthraxx/linux-hardened (this is something that they're all still actively working on at this very point in time) They also say that we need an 'ext4 file system image' (where do we obtain this from?) - found it **Full Guide on How to Create an EXT4 filesystem image here** -https://fabianlee.org/2020/01/13/linux-mounting-a-loopback-ext4-xfs-filesystem-to-isolate-or-enforce-storage-limits/ Assuming that the above has been handled, the directions insist that we create two separate shell prompts, (one to run Firecracker, and another one to control it [by writing to the API socket]; both shells have to run "in the same directory where the firecracker binary was placed") ^^ What? - This is a pain in the ass because this is something that they should've mentioned earlier (obv. everyone is going to move a binary where the rest of their binaries go ; and you're not going to just load up some random project to be used in that manner) - Not even sure what the end goal of opening up an API socket here would really be But fuck it, let's just assume that we play ball and we adhere to all of these (additional) steps that we're being put through (just for the setup up this virtualization tool!). ### Following Through on the Next Steps 1. Ensuring that Firecracker can create its own API ``` bash rm -f /tmp/firecracker.socket
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The flashing screen bug seems to be fixed with the 5.19.13 kernel
Officially supported kernels Community support on forum and bug reporting is available for officially supported kernels. Stable — Vanilla Linux kernel and modules, with a few patches applied. https://www.kernel.org/ || linux Hardened — A security-focused Linux kernel applying a set of hardening patches to mitigate kernel and userspace exploits. It also enables more upstream kernel hardening features than linux. https://github.com/anthraxx/linux-hardened || linux-hardened Longterm — Long-term support (LTS) Linux kernel and modules. https://www.kernel.org/ || linux-lts Zen Kernel — Result of a collaborative effort of kernel hackers to provide the best Linux kernel possible for everyday systems. Some more details can be found on https://liquorix.net (which provides kernel binaries based on Zen for Debian). https://github.com/zen-kernel/zen-kernel || linux-zen
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Kernels: xanmod vs tkg vs lqx vs zen vs hardened
Overall those patches do protect you in a lot of cases. Per default upstream features are chose to honor security first. Furthermore patches do frequently protect against upstream failures and vulnerabilities. One of the latest examples is CVE-2022-1729 https://seclists.org/oss-sec/2022/q2/122 a local privilege vulnerability that linux-hardened simply protects since before day 0: https://github.com/anthraxx/linux-hardened/commit/4dd6bdf3b079ef73e597661ee961d225bfccbe2a On top the approach in several places of fail-early instead of potentially continuing with known corruption or certain use-after-free regularly uncovers problems that get fixed upstream and where the vanilla kernels just keep on running, which include exploitable problems. One example of a faulty very recent commit that has been bisected and fixed because of linux-hardened: https://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev.git/commit/?h=for-next&id=acde4003efc16480375543638484d8f13f2e99a3
- When and why did linux-hardened move to lts branch?
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windows kernel patch guard-like for linux ?
Those two don't protect the kernel itself from "misuse". To do that, there are ways like kernel hardening 3, using hardened kernel 4 5.
- Is Arch dangerously out of date?
steam-for-linux
- Steam Download Speed Slow on Linux Compared to Windows 10/11
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Very slow download speeds in Linux but normal in Windows..
Anyone else noticing this? I don't believe I'm going insane. For a while now my download speeds, regardless of chosen server, are always slower in the Linux client compared to in Windows. Is the only appropriate place to post about this here -> https://github.com/ValveSoftware/Steam-for-Linux ? Would be great to know that I'm not the only one being affected.
- Steam ignores the "Later" button on client updates
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steam can't load
https://github.com/ValveSoftware/steam-for-linux/issues Its seems to be a problem happening only to Nvidia GPUs. Not only Mint but many other distros A temporary solution is to open Steam from the Terminal using "steam -vgui"
- Problems Downloading Steam
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Stable update today - Please read the forum post
I just spent a few hours working on that problem that Steam takes very long to appear. I did not have xdg-desktop-portal-gnome installed, and Steam is the only application that has that problem, so it's not the one from the update forum post. What my (and probably your) problem is, is this one: https://github.com/ValveSoftware/steam-for-linux/issues/9780. Some bug where CEF gets stuck in a loop. When I executed steam --reset an error about steamwebhelper and glibc appeared like 50 times, each taking a few seconds.
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New Steam Update, can't locate any of my previously installed games.
Hey I had the same issue - are you running this on Linux? On my arch machine I had this problem and was able to resolve it via the advice in this thread: https://github.com/ValveSoftware/steam-for-linux/issues/9640
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Can't launch steam after update
might be related #9805
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Steam coredumping on launch after updating system
Steam crashes at launch with libgudev 238 · Issue #9805 · ValveSoftware/steam-for-linux
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Steam not logging in from Jio
Relevant open issue from 2014: https://github.com/ValveSoftware/steam-for-linux/issues/3372
What are some alternatives?
zen-kernel - Zen Patched Kernel Sources
lutris - Lutris desktop client
vaultwarden - Unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs
MangoHud - A Vulkan and OpenGL overlay for monitoring FPS, temperatures, CPU/GPU load and more. Discord: https://discordapp.com/invite/Gj5YmBb
checksec.sh - Checksec.sh
steamtinkerlaunch - Linux wrapper tool for use with the Steam client for custom launch options and 3rd party programs [Moved to: https://github.com/sonic2kk/steamtinkerlaunch]
hardened-kernel - Hardened kernel configuration optimized for virtual machines. - https://www.kicksecure.com/wiki/Hardened-kernel
athenaeum
kernel-hardening-checker - A tool for checking the security hardening options of the Linux kernel
openbsd-wip - OpenBSD work in progress ports
focus-android - ⚠️ Firefox Focus (Android) moved to a new repository. It is now developed and maintained as part of: https://github.com/mozilla-mobile/firefox-android
SDL - Simple Directmedia Layer