<div dir="ltr"><span style="font-size:12.8px">I have been a using xvfb for quite a while because I use it for a headless setup with x11vnc connecting to it. I became greatly concerned when I heard xvfb will be removed. xvfb has worked perfectly for me so that this workable solution for a headless server being changed is concerning. </span><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">First, if we insist on doing this, provide compatibility command line interfaces for Xvfb, Xnest and Xephyr, that are identical in functionality or else they are going to break a lot of scripts and programs that depend on these commands, and as well they are going to lead to mass confusion since how-tos that use these commands all over the internet no longer will work. Compatibility command line commands for these are essential. </div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">I am not so much opposed to removing Kdrive code if the xephyr, xnest and xvfb commands are retained in a backward compatable manner, implemented on the X.org code base.</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">Second: </div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px"> I tried xorg-driver-dummy. Numerous problems with this: when used with x11vnc, </div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">vnc clients get disconnected often when playing videos (some odd interaction between x11vnc and Xorg, this does NOT happen with xvfb). </div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">Killing an X.org server using Dummy also tends to bring down any other hardware X server also running on the computer.</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">The mouse pointer is oversized</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">here is the command i used to start the server: </div><div style="font-size:12.8px"><br></div><div><span style="font-size:12.8px">Xorg -novtswitch -configdir "../xconfdir" -noreset +extension GLX +extension RANDR +extension RENDER -logfile ./10xdummy.log -config ./xorg.conf :3 &</span></div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">here is the xorg.conf</div><div><div><span style="font-size:12.8px"># This xorg configuration file is meant to be used by xpra</span></div><div><span style="font-size:12.8px"># to start a dummy X11 server.</span></div><div><span style="font-size:12.8px"># For details, please see:</span></div><div><span style="font-size:12.8px"># <a href="https://xpra.org/Xdummy.html">https://xpra.org/Xdummy.html</a></span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">Section "ServerFlags"</span></div><div><span style="font-size:12.8px"> Option "DontVTSwitch" "true"</span></div><div><span style="font-size:12.8px"> Option "AllowMouseOpenFail" "true"</span></div><div><span style="font-size:12.8px"> Option "PciForceNone" "true"</span></div><div><span style="font-size:12.8px"> Option "AutoEnableDevices" "false"</span></div><div><span style="font-size:12.8px"> Option "AutoAddDevices" "false"</span></div><div><span style="font-size:12.8px">EndSection</span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">Section "InputDevice"</span></div><div><span style="font-size:12.8px"> Identifier "dummy_mouse"</span></div><div><span style="font-size:12.8px"> Option "CorePointer" "true"</span></div><div><span style="font-size:12.8px"> Driver "void"</span></div><div><span style="font-size:12.8px">EndSection</span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">Section "InputDevice"</span></div><div><span style="font-size:12.8px"> Identifier "dummy_keyboard"</span></div><div><span style="font-size:12.8px"> Option "CoreKeyboard" "true"</span></div><div><span style="font-size:12.8px"> Driver "void"</span></div><div><span style="font-size:12.8px">EndSection</span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">Section "Device"</span></div><div><span style="font-size:12.8px"> Identifier "dummy_videocard"</span></div><div><span style="font-size:12.8px"> Driver "dummy"</span></div><div><span style="font-size:12.8px"> Option "ConstantDPI" "true"</span></div><div><span style="font-size:12.8px"> #VideoRam 4096000</span></div><div><span style="font-size:12.8px"> #VideoRam 256000</span></div><div><span style="font-size:12.8px"> VideoRam 192000</span></div><div><span style="font-size:12.8px"> Option "NoDRI"</span></div><div><span style="font-size:12.8px">EndSection</span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">Section "Monitor"</span></div><div><span style="font-size:12.8px"> Identifier "dummy_monitor"</span></div><div><span style="font-size:12.8px"> HorizSync 5.0 - 1000.0</span></div><div><span style="font-size:12.8px"> VertRefresh 5.0 - 200.0</span></div><div><span style="font-size:12.8px"> #This can be used to get a specific DPI, but only for the default resolution:</span></div><div><span style="font-size:12.8px"> #DisplaySize 508 317</span></div><div><span style="font-size:12.8px"> #NOTE: the highest modes will not work without increasing the VideoRam</span></div><div><span style="font-size:12.8px"> # for the dummy video card.</span></div><div><span style="font-size:12.8px"> Modeline "32768x32768" 15226.50 32768 35800 39488 46208 32768 32771 32781 32953</span></div><div><span style="font-size:12.8px"> Modeline "32768x16384" 7516.25 32768 35544 39192 45616 16384 16387 16397 16478</span></div><div><span style="font-size:12.8px"> Modeline "16384x8192" 2101.93 16384 16416 24400 24432 8192 8390 8403 8602</span></div><div><span style="font-size:12.8px"> Modeline "8192x4096" 424.46 8192 8224 9832 9864 4096 4195 4202 4301</span></div><div><span style="font-size:12.8px"> Modeline "5496x1200" 199.13 5496 5528 6280 6312 1200 1228 1233 1261</span></div><div><span style="font-size:12.8px"> Modeline "5280x1080" 169.96 5280 5312 5952 5984 1080 1105 1110 1135</span></div><div><span style="font-size:12.8px"> Modeline "5280x1200" 191.40 5280 5312 6032 6064 1200 1228 1233 1261</span></div><div><span style="font-size:12.8px"> Modeline "5120x3200" 199.75 5120 5152 5904 5936 3200 3277 3283 3361</span></div><div><span style="font-size:12.8px"> Modeline "4800x1200" 64.42 4800 4832 5072 5104 1200 1229 1231 1261</span></div><div><span style="font-size:12.8px"> Modeline "3840x2880" 133.43 3840 3872 4376 4408 2880 2950 2955 3025</span></div><div><span style="font-size:12.8px"> Modeline "3840x2560" 116.93 3840 3872 4312 4344 2560 2622 2627 2689</span></div><div><span style="font-size:12.8px"> Modeline "3840x2048" 91.45 3840 3872 4216 4248 2048 2097 2101 2151</span></div><div><span style="font-size:12.8px"> Modeline "3840x1080" 100.38 3840 3848 4216 4592 1080 1081 1084 1093</span></div><div><span style="font-size:12.8px"> Modeline "3600x1200" 106.06 3600 3632 3984 4368 1200 1201 1204 1214</span></div><div><span style="font-size:12.8px"> Modeline "3288x1080" 39.76 3288 3320 3464 3496 1080 1106 1108 1135</span></div><div><span style="font-size:12.8px"> Modeline "2048x2048" 49.47 2048 2080 2264 2296 2048 2097 2101 2151</span></div><div><span style="font-size:12.8px"> Modeline "2048x1536" 80.06 2048 2104 2312 2576 1536 1537 1540 1554</span></div><div><span style="font-size:12.8px"> Modeline "2560x1600" 47.12 2560 2592 2768 2800 1600 1639 1642 1681</span></div><div><span style="font-size:12.8px"> Modeline "2560x1440" 42.12 2560 2592 2752 2784 1440 1475 1478 1513</span></div><div><span style="font-size:12.8px"> Modeline "1920x1440" 69.47 1920 1960 2152 2384 1440 1441 1444 1457</span></div><div><span style="font-size:12.8px"> Modeline "1920x1200" 26.28 1920 1952 2048 2080 1200 1229 1231 1261</span></div><div><span style="font-size:12.8px"> Modeline "1920x1080" 23.53 1920 1952 2040 2072 1080 1106 1108 1135</span></div><div><span style="font-size:12.8px"> Modeline "1680x1050" 20.08 1680 1712 1784 1816 1050 1075 1077 1103</span></div><div><span style="font-size:12.8px"> Modeline "1600x1200" 22.04 1600 1632 1712 1744 1200 1229 1231 1261</span></div><div><span style="font-size:12.8px"> Modeline "1600x900" 33.92 1600 1632 1760 1792 900 921 924 946</span></div><div><span style="font-size:12.8px"> Modeline "1440x900" 30.66 1440 1472 1584 1616 900 921 924 946</span></div><div><span style="font-size:12.8px"> ModeLine "1366x768" 72.00 1366 1414 1446 1494 768 771 777 803</span></div><div><span style="font-size:12.8px"> Modeline "1280x1024" 31.50 1280 1312 1424 1456 1024 1048 1052 1076</span></div><div><span style="font-size:12.8px"> Modeline "1280x800" 24.15 1280 1312 1400 1432 800 819 822 841</span></div><div><span style="font-size:12.8px"> Modeline "1280x768" 23.11 1280 1312 1392 1424 768 786 789 807</span></div><div><span style="font-size:12.8px"> Modeline "1360x768" 24.49 1360 1392 1480 1512 768 786 789 807</span></div><div><span style="font-size:12.8px"> Modeline "1024x768" 18.71 1024 1056 1120 1152 768 786 789 807</span></div><div><span style="font-size:12.8px"> Modeline "768x1024" 19.50 768 800 872 904 1024 1048 1052 1076</span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px"> #common resolutions for android devices (both orientations):</span></div><div><span style="font-size:12.8px"> Modeline "800x1280" 25.89 800 832 928 960 1280 1310 1315 1345</span></div><div><span style="font-size:12.8px"> Modeline "1280x800" 24.15 1280 1312 1400 1432 800 819 822 841</span></div><div><span style="font-size:12.8px"> Modeline "720x1280" 30.22 720 752 864 896 1280 1309 1315 1345</span></div><div><span style="font-size:12.8px"> Modeline "1280x720" 27.41 1280 1312 1416 1448 720 737 740 757</span></div><div><span style="font-size:12.8px"> Modeline "768x1024" 24.93 768 800 888 920 1024 1047 1052 1076</span></div><div><span style="font-size:12.8px"> Modeline "1024x768" 23.77 1024 1056 1144 1176 768 785 789 807</span></div><div><span style="font-size:12.8px"> Modeline "600x1024" 19.90 600 632 704 736 1024 1047 1052 1076</span></div><div><span style="font-size:12.8px"> Modeline "1024x600" 18.26 1024 1056 1120 1152 600 614 617 631</span></div><div><span style="font-size:12.8px"> Modeline "536x960" 16.74 536 568 624 656 960 982 986 1009</span></div><div><span style="font-size:12.8px"> Modeline "960x536" 15.23 960 992 1048 1080 536 548 551 563</span></div><div><span style="font-size:12.8px"> Modeline "600x800" 15.17 600 632 688 720 800 818 822 841</span></div><div><span style="font-size:12.8px"> Modeline "800x600" 14.50 800 832 880 912 600 614 617 631</span></div><div><span style="font-size:12.8px"> Modeline "480x854" 13.34 480 512 560 592 854 873 877 897</span></div><div><span style="font-size:12.8px"> Modeline "848x480" 12.09 848 880 920 952 480 491 493 505</span></div><div><span style="font-size:12.8px"> Modeline "480x800" 12.43 480 512 552 584 800 818 822 841</span></div><div><span style="font-size:12.8px"> Modeline "800x480" 11.46 800 832 872 904 480 491 493 505</span></div><div><span style="font-size:12.8px"> #resolutions for android devices (both orientations)</span></div><div><span style="font-size:12.8px"> #minus the status bar</span></div><div><span style="font-size:12.8px"> #38px status bar (and width rounded up)</span></div><div><span style="font-size:12.8px"> Modeline "800x1242" 25.03 800 832 920 952 1242 1271 1275 1305</span></div><div><span style="font-size:12.8px"> Modeline "1280x762" 22.93 1280 1312 1392 1424 762 780 783 801</span></div><div><span style="font-size:12.8px"> Modeline "720x1242" 29.20 720 752 856 888 1242 1271 1276 1305</span></div><div><span style="font-size:12.8px"> Modeline "1280x682" 25.85 1280 1312 1408 1440 682 698 701 717</span></div><div><span style="font-size:12.8px"> Modeline "768x986" 23.90 768 800 888 920 986 1009 1013 1036</span></div><div><span style="font-size:12.8px"> Modeline "1024x730" 22.50 1024 1056 1136 1168 730 747 750 767</span></div><div><span style="font-size:12.8px"> Modeline "600x986" 19.07 600 632 704 736 986 1009 1013 1036</span></div><div><span style="font-size:12.8px"> Modeline "1024x562" 17.03 1024 1056 1120 1152 562 575 578 591</span></div><div><span style="font-size:12.8px"> Modeline "536x922" 16.01 536 568 624 656 922 943 947 969</span></div><div><span style="font-size:12.8px"> Modeline "960x498" 14.09 960 992 1040 1072 498 509 511 523</span></div><div><span style="font-size:12.8px"> Modeline "600x762" 14.39 600 632 680 712 762 779 783 801</span></div><div><span style="font-size:12.8px"> Modeline "800x562" 13.52 800 832 880 912 562 575 578 591</span></div><div><span style="font-size:12.8px"> Modeline "480x810" 12.59 480 512 552 584 810 828 832 851</span></div><div><span style="font-size:12.8px"> Modeline "848x442" 11.09 848 880 920 952 442 452 454 465</span></div><div><span style="font-size:12.8px"> Modeline "480x762" 11.79 480 512 552 584 762 779 783 801</span></div><div><span style="font-size:12.8px">EndSection</span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">Section "Screen"</span></div><div><span style="font-size:12.8px"> Identifier "dummy_screen"</span></div><div><span style="font-size:12.8px"> Device "dummy_videocard"</span></div><div><span style="font-size:12.8px"> Monitor "dummy_monitor"</span></div><div><span style="font-size:12.8px"> DefaultDepth 24</span></div><div><span style="font-size:12.8px"> SubSection "Display"</span></div><div><span style="font-size:12.8px"> Viewport 0 0</span></div><div><span style="font-size:12.8px"> Depth 24</span></div><div><span style="font-size:12.8px"> #Modes "32768x32768" "32768x16384" "16384x8192" "8192x4096" "5120x3200" "3840x2880" "3840x2560" "3840x2048" "2048x2048" "2560x1600" "1920x1440" "1920x1200" "1920x1080" "1600x1200" "1680x1050" "1600x900" "1400x1050" "1440x900" "1280x1024" "1366x768" "1280x800" "1024x768" "1024x600" "800x600" "320x200"</span></div><div><span style="font-size:12.8px"> Modes "5120x3200" "3840x2880" "3840x2560" "3840x2048" "2048x2048" "2560x1600" "1920x1440" "1920x1200" "1920x1080" "1600x1200" "1680x1050" "1600x900" "1400x1050" "1440x900" "1280x1024" "1366x768" "1280x800" "1024x768" "1024x600" "800x600" "320x200"</span></div><div><span style="font-size:12.8px"> #Virtual 32000 32000</span></div><div><span style="font-size:12.8px"> #Virtual 16384 8192</span></div><div><span style="font-size:12.8px"> Virtual 8192 4096</span></div><div><span style="font-size:12.8px"> #Virtual 5120 3200</span></div><div><span style="font-size:12.8px"> EndSubSection</span></div><div><span style="font-size:12.8px">EndSection</span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">Section "ServerLayout"</span></div><div><span style="font-size:12.8px"> Identifier "dummy_layout"</span></div><div><span style="font-size:12.8px"> Screen "dummy_screen"</span></div><div><span style="font-size:12.8px"> InputDevice "dummy_mouse"</span></div><div><span style="font-size:12.8px"> InputDevice "dummy_keyboard"</span></div><div><span style="font-size:12.8px">EndSection</span></div><div style="font-size:12.8px"><br></div></div></div>