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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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On Linux, how do I get the VM host/guest experience but with two physical PCs, such as a "guest" laptop and a "host" desktop PC? [SOLVED] (lemmy.ml)

submitted 21 hours ago* (last edited 20 hours ago) by yo_scottie_oh@lemmy.ml to c/linux@lemmy.ml

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I enjoy derping around w/ virtual machines b/c not only can I revert to a clean snapshot, I can grab screenshots of pretty much any screen in the VM, including on the initial boot screen.

Is there some way for me to get a similar experience to using VMs except instead of a virtual machine, I'd be derping with a spare laptop next to my main daily driver PC? I don't care about snapshots, I'm mostly concerned about being able to record a video or grab screenshots of the boot screen and BIOS settings without having to use my phone to take the video/photo. In other words, like a remote desktop experience that persists during reboots of the "guest" laptop.

What equipment would I need for this? Should I look into video capture cards or KVM switches? Both the "host" and "guest" systems will be running one of the mainstream Linux distros (Mint, Fedora, etc).

Part of the challenge for me is actually articulating what it is I'm trying to do and knowing what terms to search for on DDG, so please feel free to ask questions to clarify my requirements. Thank you!

EDIT: Thanks to everyone who chimed in. Although your comments definitely piqued my curiosity in devices such as JetKVM, I ordered this video capture card, since in my case, the machine I want to capture images/videos from will be next to my "host" machine. That said, I'll definitely keep these KVM devices in mind in case my needs change down the road.

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[–] bamboo@lemmy.blahaj.zone 1 points 20 hours ago

Assuming the laptop you're looking to control has HDMI out and USB input for Keyboard and mouse, I think you're right with the KVM switch idea, one that supports USB and HDMI input, and can switch between them between two devices. What I would do is get something which can record HDMI on your main PC. Some gamer devices have HDMI passthrough, which you'd plug into the KVM switch, but you could also use an HDMI splitter to have a feed from the laptop going into the KVM switch and to the recorder on your main computer. On your main computer, you could use OBS Studio to record the video from the laptop.