Ubuntu :: NX Disconnects As (desktop) Server Goes To Sleep?
Jan 6, 2011
My remote "NX Client" disconnects after 60' when server goes to sleep, leaving my session suspended. My server is running Ubuntu 10.10 Desktop Edition, Power Management is configured to sleep after 60'I need the server to go to sleep if nobody's using it. I don't need the server to go to sleep in case:media is being streamedremote connections are in useHow to configure my system to look further than just keyboard and mouse activity before initiating sleep?PS: Media streaming can be DAAP/RhythmBox; DLNA/MediaTomb; SLIMP3/Squeezebox serverRemote connections can be SSH/PuTTY; SSH/NX Client
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Jan 21, 2011
Running Ubuntu 11.04 on a Gateway LT3103U netbook. It's running fine except for that fact that when it goes to sleep (timeout or lid closed) or going into suspend or otherwise restarted/shutdown, my router restarts. It's a DLink DIR-655 that has been working fine until I changed this netbook to Ubuntu.After installing Ubuntu on the netbook, it found my SSID being broadcast and I added the connection by supplying the WPA2 password. I have full network access (local and internet).
It's just the router restarts and all my other machines lose connections. The router is using DHCP but supplying IPs based on MAC. Netbook is set to use DHCP.
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Jan 13, 2010
My screen has started going into sleep mode if the computer is idle for around ten minutes - sometimes longer, no discernable pattern. The setting is of course set to 'never' in System / Preferences / Power Management
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Feb 23, 2010
This is probably a very basic question related to running and X11 application on a remote machine.
I connect from a linux machine to another by ssh -X remote.machine
After that all X11 applications work fine. But after a while (~ 20 minutes), I can no longer run the applications. I get a message like containing "cannot connect to X server localhost:10.0".
My host machine has in /etc/ssh/ssh_config "ForwardX11 yes".
Is there anyway to connect to a remote machine with a permanent X11 session?
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May 21, 2015
Just upgraded to Debian Jessie. I'm having a problem with the desktop and lockscreen that I never had before in Debian 7. Whenever I open the laptop to wake it up, there is very bad discoloration of the background. (screenshot : [URL] ..... )
Hardware is an IBM Lenovo T410 with no customizations. The graphics are factory nvidia. 3D acceleration works flawlessly, and I have no other issues except this background problem.
------------------------
HARDWARE
$ nvidia-detect
Detected NVIDIA GPUs:
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GT218M [NVS 3100M] [10de:0a6c] (rev a2)
Your card is supported by the default drivers and legacy driver series 304.
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Jul 12, 2011
I have an Ubuntu 11.04 Server set up for my small office whose sole job is to run as a samba file server. The problem is that it randomly hangs. For example, I can connect the clients just fine, however if left idle it tends to take a few moments to work when you try to go back into the shared folder or drive. The client will behave like it is disconnected and is trying to search for the drive only to a few moments later, go right back to normal behavior.
If I ping this server while this is happening my requests will time out for a little while and then just start working. The same thing happens when I try to connect with Putty or through WebMin. One second its unreachable then the next its fine.I have already tried swapping out patch cables (which actually seemed to work for about 2 weeks) and I have patched it to an alternate port on the switch. The only thing I have not done at this time is to change the NIC.All the clients are running Win7 with the exception of two XP machines.Simply put, its like the machine just goes dormant for a while until you ping at it for a while to wake it back up.
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Mar 17, 2010
I am trying to run VNC server on a standard OpenSUSE 11.2 Gnome Desktop installation.I have done this succesfully with SLES for sometime, however, my experience with OpenSUSE 11.2 is that it doesn't work out of the box!!
I am using XP Pro VNC viewer Free Edition 4.1.2 to connect.
I have removed "localhost" from the # special IPv6 addresses in hosts. This fixes the black screen issue for me. All appears well until I disconnect and retry the connection after 5 minutes or so. Then VNC client makes the connection and then immediately disconnects. It's a no go from then on. If I reboot OpenSUSE 11.2 it works again but then reconnect fails again after the same period of time.
I am trying NX now as an alternative. However, I would much prefer to use VNC.
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Feb 3, 2010
I've installed Ubuntu Server 9.10 on a small VIA C7 pc. Every now and then (it can take days or hours) the server goes to sleep. It can't be reached by network. If I hit the keyboard it comes to life within a second.I've looked in the bios and I cannot find any option that would prevent this. I used to run Debian Lenny on the same machine and never experienced the problem.
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Oct 19, 2010
I have an old Acer laptop that I am trying to use as a server for Vortexbox (Fedora distro that turns computer into a media server for use with DLNAh Squeezeboxes).Randomly the laptop will go into standby mode and I cannot figure out why. It's very annoying since when the laptop goes to standby the server goes down and all my boxes disconnect. Everything reconnects when I simply press a key on the laptop and it wakes up and the screen turns back on.Here's what I've tried:I've tried checking the BIOS for power management settings and there are none.
I think my CMOS battery is fried since the time keeps drifting. I tried to replace it but could not get to the battery (either through the keyboard or the back of the laptop) so I put in a cron.hourly script that would fix the time every hour and it's keeping things on point in terms of the time but the sleep issues are still there (of note the script does not run when the laptop is sleeping). This is my first script eveo I'm a big newbie...The laptop battery is nonfunctional (I leave it plugged in all the time anyway). Not sure if that has anything to do with it.I installed FreeNX and NoMachine for remote desktop to Gnome. When I have a remote desktop session open on another computer it SEEMS to last longer between sleeping.I tried reading about ACPI and sleepstates and I'm totally lost. I downloaded some thing called ACPItool and ran it to get the following output:
[vortexbox.localdomain ~]# acpitool -e
Kernel version : 2.6.30.10-105.220090320 - ACPI version : 20090320
Battery #1 : present
[code]...
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Feb 23, 2010
This is probably a very basic question related to running and X11 application on a remote machine.I connect from a linux machine to another by ssh -X remote.machineAfter that all X11 applications work fine. But after a while (~ 20 minutes), I can no longer run the applications. I get a message like containing "cannot connect to X server localhost:10.0".My host machine has in /etc/ssh/ssh_config "ForwardX11 yes".Is there anyway to connect to a remote machine with a permanent X11 session?
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Apr 20, 2010
First problem:
apt-get --purge remove ubuntu-desktop
Reading package lists...
Building dependency tree...
Reading state information...
Package ubuntu-desktop is not installed, so not removed
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
I have installed Ubuntu desktop on Ubuntu Server to get Boinc manager running. Now I want to remove Ubuntu-desktop.
Second Problem: /etc/init.d/xorg start : No such file or directory When the server boots i get a blinking cursor.
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Aug 12, 2011
is it would be possible create a Ubuntu dvd that contains the ubuntu server desktop and alternate install opptions, as well as all four main desktop environments (gnome, kde, xfce, lxde) and unity. since much of the data is redundant between each version cd's it would probably all fit on one disk. then all that would be needed is two disks one for 32 bit and another for 64 bit. i really think that this could work.
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Mar 12, 2011
I have a fresh installation on ubuntu 10.10. And I installed b43-fwcutter, but after a while it disconnects. So then i disable wireless and enable it again and it works, why is this happening??n How can I stop it?
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Feb 13, 2011
I've seen a problem staying connected to a Cisco VPN, this goes back a number of years.I was running 8.10 and it was fine.After I moved to 9.10, the problem started happening.My VPN connection to work would drop after 8 hours.I looked around for a while and ended up compiling the cisco provided client which works fine (but is a pain).I've been running 9.10 on my work laptop, and it experiences the same problem using vpnc, but I've been dealing with it because it's easier than using the Cisco client.
I installed 10.04 on my work desktop, my home desktop, and a personal laptop that was previously running 8.10, and all experience the same problem with vpnc.I even go so far as to keep one terminal open with a constant ping all day and it still drops after about 8 hours. A couple of others at work experience the same problem using vpnc. This is not a problem using the Cisco provided client, or running it on windows or os/x.Has anybody else seen this, or have any ideas on what I can start looking for to get this addressed?
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Aug 1, 2010
My present system consists of 4 computers all running Ubuntu (just upgraded to 10.04) and all have a Virtual windows installations to run applications for which there are no Linux substitutes. The "server" is a NAS that is merely a file repository. I want to replace the NAS with a new computer that acts as both a server and a local workstation. It would act as a repository for common files and would run a mail, calendar, contacts server for the LAN (no outside connections).What are the pros and cons of installing the server version of Ubuntu (or Kubuntu) then adding the appropriate desktop versus installing the desktop and adding some server functions?
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Dec 2, 2010
I have both windows (xp and win7) and mac (osx snow leopard) running on my network. I'd like to find a unified system that I could use as a file server. Mainly, I'd like to have it hold music and movies, maybe run some automated backups from a win 7 desktop. I'd also like it to be a print server. I'd like to run the most simple and lightest weight OS for the server os. However, I don't think I have the basic linux knowledge to run Ubuntu Server as it is terminal based. I have installed it on my machine but I feel like im running in circles. I have it installed and can SSH in with my laptop no problem. I feel like I may be better off installing Ubuntu Desktop and removing what I dont need. at htis time the server has only a 40gig hdd in it, i also have a 500gb hdd i'd be using for the files.
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Jan 30, 2010
When I use all the band(transmission or browsing too many videos) it disconnects after few minutes and it doesn't connect again until I reboot.
lspci:
05:01.0 Network controller: RaLink RT2760 Wireless 802.11n 1T/2R Cardbus
Code:
sudo lshw -C network
*-network
description: Ethernet interface
product: 88E8056 PCI-E Gigabit Ethernet Controller
[Code].....
I could use N and WPA2 by following this thread. If it is possible to reconnect without reboot would be a possible workaround
(I use Ubuntu Karmic x_64)
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Feb 8, 2010
My bluetooth devices disconnect after a period of inactivity (not sure exactly how long). They're being connected with:
sudo hidd --connect
And I've made no edits to any bluetooth related system files so it should be default settings throughout. I would like them to stay connected indefinitely and it would be even better if they would stay connected through reboots.
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Feb 20, 2010
I'm currently using Pidgin 2.6.2 on Karmic. Status changes work fine if I change it in Pidgin, but if I use the user switching applet to change my status is consistently disconnects my connection to Windows Live (but not AIM or GTalk), claiming that I have "signed on from another location". A quick Google and forums search turned up nothing.
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Mar 25, 2010
I've posted about this previously, but I am unable to find that post...
I have a separate partition: 'files'.
This has the mount point of: '/files'.
My /home/johnathan folder is a symbolic link to:
/files/installed/backup/johnathan
So when this particular mount point '/files' is not available I get errors stating ICEAuthority and that /Desktop and /.nautilus can not be created.
If I log in as root, I can not mount the drive using System > Administration > Disk Utility
I get the error that '/files' can not be mounted because it is un use.
Sometimes, if I wait a while while logged in a root it will 'magically' mount and work again... then I can login as my profile.
I love Ubuntu that it keeps all of your settings and program settings within the profile. So, if I have to reformat or reinstall Ubuntu I simply recreate the symbolic link to /files/installed/backup/johnathan and all of my settings are back. All that is left is to reinstall my apps and I am back to where I was before reinstalling.
So, how can I correct this? I do have two other partitions that have mount points, but they do NOT do this like '/files' does.
I've even replaced the UUID in '/etc/fstab' with the path tot he partition: '/dev/sda2'. This also didn't work.
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Apr 17, 2010
My internet disconnect mabe every second hour and I have to restart the Ubuntu to get internet again. This started to happen when I bought a new wireless card called NETGEAR WG311v3. The live CD didnt have the drivers for it so I had to download XP drivers and install it with ndisrwapper.
So my question is how do I fix it? Do other network drivers crash with my current one? If so how can I see wish one to remove?
Note that my card works fine with XP on same computer.
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May 7, 2010
This is going to sound weird but my wifi interconnection is really good i never have any problems but when i open skype, go to options and click test webcam my wifi disconnects and will not return till i restart the pc
I'm running 10.04
keep the connection and the webcam working will be great
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Jun 17, 2010
I'm using Ubuntu Server 10.04 and I'm also using OpenSSH 5.3. I have SFTP-only users in a chrooted environment. Users are able to login, change directories, upload and download files, but as soon they attempt to give the 'ls' or any list directory. the server disconnects.
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Jul 26, 2010
Got a problem when I try to stream stuff off the net, such as watching ....., or listening to music clips.Basically, the internet just simply disconnects after a few seconds, or a minute at most after starting to stream - although it appears to be connected in the wireless icon thingymigig in the top right taskbar, eventually that goes though and says I'm disconnected.
While browsing normally, and using the net normally with messenger and looking throughwebsites,uploading/downloading via ftp, with no videos or music streaming, the net stays on - no problems.If I try to stream stuff from another computer running windoze 7, then these problems dont occur, the net doesn't disconnect and can stream till the end of time (or so it seems).Why does this happen just on the Linux machine?
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Sep 16, 2010
I have loaded ubuntu Lynx 10.04.1 as a dual boot behind XP home. I have wireless connection to the XP os via netgear wireless G router and USB 2.0 adapter. The network connection works well with the XP side. When I boot into ubuntu I am sure I have configured the network properly with the wep key and password and the network signal is alive in the work bar at the top of the screen. When I open Firefox and try to browse to ,say, ebay it asks for the passphrase again then tells me that FF is in work offline mode. When I correct this I get asked for the pass phrase again and the connection is disengaged. It just keeps asking for the passphrase and disconnecting. When I reboot into XP everything works perfectly again.
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Sep 18, 2010
I have two machines one Ubuntu Lucid and one Kubuntu Lucid. They share a bluetooth keyboard through a KVM switch. As of last week both were working. At this point my KDE machine disconnects from the keyboard on the first keystroke. The Ubuntu machine is still okay. What I've tried/checked so far without success
I can connect my keyboard through Kbluetooth but it disconnects when I start typing. The timeout time is set to none. I tried rebooting and then reinstalling the software to no avail. I replaced the batteries in the keyboard. Plugging the bluetooth usb adapter directly into the KDE box. Removing and then adding the trust I find this in the syslog:
2010-09-18 12:09:42 godel bluetoothd[1911] link_key_request (sba=00:1BC:0F:F1:E7, dba=00:22:48:87:B3:49)
2010-09-18 12:09:42 godel bluetoothd[1911] Encryption failed: Permission denied(0x5)
Here's the kbluetoothrc from my home folder
[KBlueLock]
[Code]...
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Oct 4, 2010
I'm using an Acer Aspire One d250 running Netubuntu 10.04. The wireless connection to my router fails at random intervals and spends most of it's time trying to reconnect. It will occasionally ask me to input the password to the network, which is already entered in the dialog box, and clicking "connect" doesn't seem to make any difference. Also, when it is disconnected from the network, none of the other computers in the house, wired or wireless, are having any problems. If there is any more information I could provide,
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Oct 15, 2010
I use an analog modem and wifi to access the internet. I am using Ubuntu LTS 8.04 on a laptop and have an analog modem connected via USB serial cable. The dialup feature and the modem work flawlessly. I am testing LTS 10.04.1 on a live USB drive that I purchased preinstalled from On-Disk. On the live USB drive, I am able to get a dialup connection with my ISP long enough to pull up a web page with the browser. However, the analog modem disconnects within minutes with exit codes 16 or 17.
Man pppd:
16 The link was terminated by the modem hanging up.
17 The PPP negotiation failed because serial loopback was detected.
My questions are, how to do I track down the dialup setting(s), or file configuration(s) that is causing the disconnects? Is the problem likely due to a poorly worded AT modem command? I want to get this problem resolved before I proceed with upgrading from 8.04 to 10.04.1.
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Oct 20, 2010
I am on a toshiba laptop with a wireless internet connection, I have recently purchased a logitech pro 9000 webcam , I plan on using it for skype. So the wifi is working fine, I plug in the usb webcam and all of the sudden I just lose connection and my keyring doesn't even remember the wep key for my wifi. I am amateur with linux based system but I have taken a operation system class so I know some stuff and can follow instructions quite well.
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Dec 2, 2010
I have experienced sudden wifi disconnects. My laptop fails to reconnect even after repeated attempts. It is only after a reboot that I am able to connect to the wireless.
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