2020年9月6日 · Xephyr and Xpra have different purposes: Xephyr is a nested X server displaying its root window (the desktop) inside an X window; Xpra is the X equivalent of screen or tmux , providing a virtual X environment and the ability to display the desktop or individual application windows locally or remotely, attaching and detaching as necessary.

2020年3月4日 · Classic command to run Xephyr: Xephyr -br -ac -noreset -screen 800x600 :1 As far as I understand, the -ac key is an analogue of xhost +, and this is a vulnerability, because almost everyone can access the monitor, mouse, keyboard. How can this be fixed in the Xephyr example? UPD: mosvy thank you very much for the very detailed answer!

2020年3月22日 · The goal is to launch Xephyr in a script. The most popular approach is this: Xephyr :4 & sleep 1 # or sleep 2 launch_your_program_here Let's see what happens here. First, unfortunately, Xephyr cannot daemonize itself, so we have to launch it asynchonously (&). Then we don't know when it's initialized, so we give it 1-2 seconds to initialize.

2013年1月19日 · I found the solution using Xephyr and Xdmx. First create the Xephyr displays. Xephyr -screen 1920x1080 -ac :1 Xephyr -screen 1920x1080 -ac :2 Xephyr -screen 1920x1080 -ac :3 This creates 3 windows 1920x1080, each of these will act as a monitor. Next add the xinerama layer onto these virtual displays

2021年2月6日 · Xephyr is a basic, framebuffer-based implementation of an X server; it doesn’t support any form of 3D or video acceleration. I’m not sure there’s any nested X server implementation which will provide better performance.

If you use Xephyr with xpra and you have incorrect keyboard map. If you see strange situation: Down key worked as enter (down arrow as break line), up arrow not working - use that command for set true xkb map.:100 - Display number with control of xpra:200 - …

2019年1月1日 · Xorg and Xephyr share most of their code and are built from the same source, but ps ax will still print just the command line (the same thing you can get withtr '\0' ' ' </proc/PID/cmdline on linux). – user313992

2018年4月3日 · When running Xephyr, its window title says "ctrl-shift grabs mouse and keyboard". I am using ctrl-shift (left ctrl - left shift) as keyboard layout switching hotkeys and it interferes with Xephyr, when I press them, just the keyboard layout is …

The X11 server determines how windows are displayed: you can run X11 fullscreen, you can contain the entire X11 screen within a single window of an already-running GUI, you can make X11 windows integrate to the already-running GUI. XWin and Xming have all three modes, while Linux has Xorg, Xephyr/Xnest and things like Xpra for each mode.

2020年12月28日 · Xephyr or its predecessor Xnest. Run Xephyr :1, it starts displaying a window. Then run DISPLAY=:1 rxvt or DISPLAY=:1 xfwm4, so the terminal would appear in the Xephyr display, or have the window manager manage windows in the Xephyr display. The -size parameter control how big the Xephyr window is, e.g. Xephyr -size 1024x768.