/srv/irclogs.ubuntu.com/2015/09/09/#xubuntu.txt

chaseconlist02:22
chaseconanyone here who can help me with xubuntu install02:22
chasecon?02:22
TravisHello.  What is a good program to run a virtual machine?04:25
cfhowlettvirtualbox04:25
cfhowlett!vbox04:25
ubottuVirtualbox is a virtualizer for x86 and amd64 architectures. It's available in the package "virtualbox" in the !repositories, and you can download the Virtualbox Extension Pack for additional, non-Free functionality at http://virtualbox.org . Additional details can be found at https://help.ubuntu.com/community/VirtualBox04:25
TravisThank you.04:28
cfhowletthappy2help! Travis04:29
TravisI am having issues running Paltalk on here.  I have to resort to a Windows VM.04:29
cfhowlettno experience or idea with paltalk but setting up a windows VM is quite easy in vbox04:30
TravisWine is ok.  I am still trying to get used to it.04:39
cfhowlett"ok" is about right.  wine is only an emulator and on its best day, does no promise to deliver the same performance as windows.  personally, I've found vbox to be closer to native performance than wine, but ... YMMV04:41
TravisThis is strange.  Firefox wouldn't allow me to adjust the Flash settings, yet Chromium would.05:22
=== max12345 is now known as Guest78419
HundAlt-tab opens the same list of applications on all my screens. How do I change it so it just appear on one monitor?09:23
=== Guest78419 is now known as max12345
auscompgeekHund: you might find something in the window manager settings, but I wouldn't remember whether such a setting exists10:14
Hundauscompgeek: I have looked everywhere. :P10:22
=== qwebirc159792 is now known as slickymasterWork
Rhino_CrashHi there, running xubuntu and xpra. Xpra is taking 100 MB for redirecting DISPLAY with the server in xfce4-terminal. Is it ok? 100 MB seems to me a lot. Any user of xpra?11:10
gordonjcpRhino_Crash: sounds about right tbh11:12
Rhino_Crashgordon jcp Thank you for reply. I am new to xpra. Made these 2 for cron: @reboot xpra start :100 and @reboot export DISPLAY=:100 && /home/user/myscript.sh: myscript runs my server in terminal. When I loging to X2Go I atach xpra and see the terminal. I hope this is well.11:13
gordonjcpprobably11:24
Rhino_Crashgordonjcp Thank you for response. I will keep it deployed then cos I must (to be able to maintain it). I was searching another ways how to connect different display running on remote but did not find any.11:29
gordonjcpRhino_Crash: what are you displaying?11:29
Rhino_Crashgordonjcp There is a small sh script starting mono application - server is opensim. The xpra start :100 in task manager shows 49 MiB and some Xpra group leader shows 44 MiB11:31
gordonjcpRhino_Crash: can't you just ssh in?  Do you actually need a GUI?11:32
Rhino_Crashgordonjcp Can I connect to Display 0.0 running remotely and see it running?11:33
Rhino_Crashgordonjcp (by ssh)11:34
gordonjcpshould do, or maybe ssh X forwarding11:34
Rhino_Crashgordonjcp and that is waht I was told xpra is doing for me - forwarding X11:35
gordonjcpyeah11:36
gordonjcpbut does the thing you're running actually use X to display stuff, has it got a GUI?11:36
Rhino_Crashgordonjcp People also told me that there is no way how to see running server on remote pc without that. I use X2Go client to connect to my remote desktop. I use xfce which has no big requirements11:37
gordonjcpbecause if it doesn't just ssh in and run it from the command-line11:37
gordonjcpright, lunchtime11:38
Rhino_Crashgordonjcp Enjoy your lunch. I got from your responses that sticking with xpra as I have it is the only option I have and that I have set it well. The option -ssh to that I do not know how to see just that running simulator.11:41
auscompgeekRhino_Crash: you still haven't answered the question. does whatever you're running actually need an X display?11:45
Rhino_Crashauscompgeek Sorry I thought I did. So: opensimulator is a mono application running in a console. You run it by mono OpenSim.exe Then the console appears where you can type commands and administer your server.11:47
auscompgeekthen... can't you just run that over ssh?11:47
auscompgeekafter all, you say it runs in a console, right?11:48
Rhino_Crashauscompgeek Are you suggesting to me to get rid of xfce completely? that is not what I want. If not, how can I connect?11:49
auscompgeekssh?11:49
Rhino_Crashauscompgeek you mean Putty plus see the display 0.0 - is that possible? No redirection needed?11:50
Rhino_Crashauscompgeek - trying now with my test virtual pc11:52
auscompgeekdo you need a display?11:52
Rhino_Crashauscompgeek The only thing I realy need is to see the console after pc has crashed and rebooted. Then cron wakes my simulator and i do not see it at all.11:53
auscompgeeksounds like X isn't useful at all then11:54
Rhino_Crashauscompgeek Because when I login back to X2Go I see nothing just the process in task manager. So if I can ssh to it, I can do some maintenance and stop it and start again later to see on my desktop. But I want to see what is happening to the server before I stop and I want to do regular shutdown, not dirty. You may be right yes. I will try to connect11:56
Rhino_Crashauscompgeek I was trying to way how to just switch displays but I found no help11:56
auscompgeekone does not simply switch displays over a remote connection11:57
Rhino_Crashauscompgeek Yes that is probably sad true I got already from others :/ Still you are helpful making this clear to me.11:57
Rhino_Crashuscompgeek - I logged using Putty to my IP, port 22. What I see is only black screen.11:59
Rhino_Crashauscompgeek How should I connect to the process?12:00
auscompgeekrun it in screen12:00
Rhino_CrashWell, so you mean screen will require less MiB than xpra, is this the point?12:01
gordonjcpRhino_Crash: yes, running X on a server is madness12:04
Rhino_CrashOK Guys. What I can do is try to start crashed pc with a screen session by cron on reboot,  instead of xpra. Then I can ssh to it, do what I want and when I want it on my desktop shutdown, stop screen and save the resources. Then I expect that running screen does not take as much as running xpra. True?12:10
sorinbHello. It seems that on my computer, I don't have the network applet in the Indicator plugin. Any idea what can I do to get it back ?13:11
sorinbI am running latest version, but it was an upgraded version, not a clean install13:14
Rhino_CrashI got here before the suggestion not to use xpra but screen, to save memory. Then I set my cron for it but this went wrong: @reboot export DISPLAY=:0.0 && screen /home/user/folder/subfolder/script.sh - I get "/tmp/crontab.VNMMLc/crontab":0: bad minute errors in crontab file, can't install. Is someone seeing what should be the proper syntax for this cron?14:37
gordonjcpwoah stop14:39
gordonjcpyou probably don't need the DISPLAY bit, if you're not actually using an X display14:40
gordonjcpand what's cron got to do with it?14:40
Rhino_Crashgordonjcp I realy value your help ... That cron should start my app when suddenly rebooted and I am not knowing that. Cron starts the script which starts the server I want to ssh to it.14:41
gordonjcpRhino_Crash: I'm having trouble understanding what you mean14:41
gordonjcpalso what you're trying to do14:42
gordonjcpcron is supposed to start things at certain times14:42
Rhino_Crashgodonjcp sorry - language barriere .. so steps are: 1. cron starts the monitor of my server 2. monitor wakeups server and supervises it. Problems which can occure: server crash, pc reboot. What I need - ssh to server after rebooted pc.14:43
gordonjcpRhino_Crash: yeah English isn't my first language14:44
Rhino_Crashgordonjcp - no problem, my is not either ;)14:44
gordonjcpokay14:44
gordonjcpso there's two things you want to do - start opensim on your server on boot14:45
gordonjcpand ssh from your PC to your server?14:45
Rhino_Crashgordojcp sure - my opensim is solved - monitor works14:46
Rhino_Crashgordonjcp Problem is I cannot maintain server cos it is on different display14:46
Rhino_Crashgordonjcp (of course only when server suddenly rebootes which is my concern) It happened twice in a year but ...14:47
gordonjcpokay14:49
gordonjcpso someone recommended screen, I'd use tmux, but they do the same job14:49
gordonjcpscreen lets you create a shell and leave it running when you disconnect from it14:49
Rhino_Crashgordonjcp yes and you told me it will consume less memory14:50
Rhino_Crashgordonjcp than xpra14:50
gordonjcpthat, and if you don't need to use graphics, it uses less bandwidth14:50
gordonjcpthink abou tit14:50
gordonjcpyou're sending the letters, not pictures of the letters14:50
Rhino_Crashgordonjcp I tested screen and yes working for me - ssh working for me all ok. But cron not14:50
gordonjcpright14:51
gordonjcpcron is probably the wrong tool for this job14:51
xebrahi, I have this problem: I'd like to know the exact command used by compressing files or folders, when you right click in thunar. Suppose I create a tar archive that way, ok. But how did it create it? I compared one example with "tar -cf", it doesn't get the same result14:51
gordonjcpLinux (any operating system, any at all, even Windows) is full of useful tools14:51
gordonjcpyou've got to get the right one14:51
Rhino_Crashgordonjcp I am open to any solution of this as that is my last step I need to acomplish. Just need to be realy sure it starts when it reboots14:51
gordonjcpRhino_Crash: which version of Ubuntu are you on?14:52
Rhino_Crashgordonjcp 14.0414:52
gordonjcpcool14:52
Rhino_Crashgordonjcp (plus xfce)14:53
gordonjcphttp://serverfault.com/questions/363208/best-way-to-start-a-program-at-boot-on-ubuntu-server14:54
Rhino_Crashgordonjcp going there, hopefuly it will be the fix ... thank you, reading14:54
gordonjcphttp://opensimulator.org/wiki/Autorestart_With_Upstart14:55
gordonjcp^ that is exactly what you want14:55
Rhino_Crashgordonjcp not that (second one) ... my script uses code which determnines what is happening inside simulator, not only if it runs14:56
gordonjcpRhino_Crash: well it's a good place to start14:57
Rhino_Crashgordonjcp ... I see, that is for long time and yes I may go through it. But why not cron?14:58
gordonjcpRhino_Crash: because cron is for starting things at a certain time15:02
Rhino_Crashgordonjcp I do not fully understand the difference @reboot @daemonstarts but one of them should cover the situation when my dedicated server reboots - or not?15:04
gordonjcpRhino_Crash: possibly15:09
gordonjcpbut don't hammer nails in with a screwdriver, even if it's a really heavy screwdriver15:10
gordonjcpif you want to start a daemon on boot, use initscripts15:10
Rhino_Crashgordonjcp - this is what I need to run after reboot: http://pastebin.com/EyNviPxX15:19
gordonjcpRhino_Crash: it looks like that is basically doing all the stuff that upstart takes care of for you15:20
gordonjcpRhino_Crash: considering the second link is actually right there on the opensim wiki, I suspect they know what they're doing15:20
Rhino_Crashgordonjcp OK Your help was very appreciated. Thank you for it. I will see all options. The script I have is tested too, maybe half a year of happy usage. Just the cron I am not able to set now or to be sure I can ssh to my running open sim after it rebootes. Because that the script does for me too. Script is NOT a problem, it does what it should do. So if I can ssh to it ok, I can use it. I can even stick with xpra, but the15:26
Rhino_Crashamount of memory I do not like. So upstart is for me the last option how to control opensimulator but maybe it could start my monitor or screnn session. I realy do not know yet and need to study or find anybody who will help with syntax. You did your best and I value it. :)15:26
gordonjcpRhino_Crash: well using X forwarding to control a command-line app is frankly insane :-)15:27
gordonjcpand upstart is how the authors of opensim recommend you do it15:27
Rhino_Crashgordonjcp There are many users and developers, I know guy who uses PHP but I do not want apache on the server. So everybody has their way, open sim are hundreds or thousand grids. I wanted something which will control my simulator from inside. Not only looking if process is there.15:29

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