Any text display should be lighter than any graphic one. I got most of details from: 1 Documentation, 2 Lists&forums, 3 try and error.
El 01/02/17 a les 10:48, Vincenzo Romano ha escrit: > Hi Narcis, > > Thank you for the extra details: the documentation is quite terse if > not insufficient. > I mean: https://qemu.weilnetz.de/doc/qemu-doc.html linked as the > official user manual from > http://wiki.qemu.org/Manual. > > According to your experience, which approach is the "lightest" among > "-display vnc" and "-ncurses"? > > Finally, may I ask you where did you pull these details from? > > Thanks again. > -- > Vincenzo Romano - NotOrAnd.IT > Information Technologies > -- > NON QVIETIS MARIBVS NAVTA PERITVS > > > 2017-02-01 9:23 GMT+01:00 Narcis Garcia <[email protected]>: >> -nographic cannot be combined with any other -display. >> As far as I know, Curses go to local stdout; you can see easily when you >> lauch Qemu from command line and, by intuition I supose that, (same as >> SDL) closing the stdout channel/terminal Qemu process can be closed too. >> >> You could launch Qemu process in a "screen" session, and attach remotely >> to it when you connect through SSH. >> >> >> El 01/02/17 a les 08:51, Vincenzo Romano ha escrit: >>> Thanks, Narcis. >>> >>> 2017-02-01 8:29 GMT+01:00 Narcis Garcia <[email protected]>: >>>> VNC is a protocol to connect to a GUI, not MDA/TXT. >>>> Independently of what guest OS does or shows, Qemu only outputs display >>>> through: >>>> - VNC (graphic) >>> Networked >>> >>>> - SDL (graphic) >>> Local to the host >>> >>>> - GTK (graphic) >>> Local to the host (maybe also networked with X11) >>> >>>> - Curses (text) >>> Local? >>> >>>> - none (no display) >>> None, indeed. >>> >>> My host is a headless server and I'd like to save all resources I can >>> from it to give them to the guests. >>> So I need remote access to the guests that I would like to do with >>> SSH, RDP or VNC >>> (the latter two with SSH tunnels). >>> >>> VNC seems to me a solution, but I couldn't find enough details about >>> the curses solution which >>> would be my preferred solution because of its low requirements. >>> Where is the ncurses output pushed to? A local PTY? A Unix socket? >>> >>> Why cannot I use -nographic with -daemonize (and VNC)? >>> >>>> El 31/01/17 a les 21:14, Vincenzo Romano ha escrit: >>>>> Hi. >>>>> Thanks for the feedback. >>>>> >>>>> I need to have a text mode console to the server via VNC (or actually >>>>> whatever else) in case the network is not working or to operate on the >>>>> BIOS and the boot loader. >>>>> And I would like to have such a thing as lean as possible to save >>>>> resources on the host. >>>>> As of now I am using "-vga virtio" that is a full blown VGA. I am >>>>> thinking about a PC with just 80x25 screen. >>>>> >>>>> -- >>>>> Vincenzo Romano - NotOrAnd.IT >>>>> Information Technologies >>>>> -- >>>>> NON QVIETIS MARIBVS NAVTA PERITVS >>>>> >>>>> >>>>> 2017-01-31 19:47 GMT+01:00 A. Wan <[email protected]>: >>>>>> On Tue, January 31, 2017 09:54, Vincenzo Romano wrote: >>>>>>> Sorry for the typo: >>>>>>> >>>>>>> BBC=VNC >>>>>>> >>>>>>> >>>>>>> >>>>>>> Il 31 gen 2017 18:48, "Vincenzo Romano" <[email protected]> ha >>>>>>> scritto: >>>>>>> >>>>>>> Hi all. >>>>>>> I need to create a number of VM to be used as Linux servers. >>>>>>> I am planning to use only a VNC console. >>>>>>> Can I disable the VGA settings (-vga none) and only use the BBC server? >>>>>>> If not, what's the minimal (as far as the host resources are concerned) >>>>>>> configuration for the local text-only console via VNC? >>>>>>> >>>>>>> TIA. >>>>>>> >>>>>> >>>>>> I don't think it is possible to VNC to text mode console. Is there a >>>>>> reason >>>>>> why you don't want to telnet/ssh to a guest and then run screen? >>>>>> >>>>>> Alex >>>>>> >>>>> >>>> >>> >> >
