Software :: Vnc Server Used To Work Suddenly Stopped Working With Connection Refused Errors
Feb 22, 2011
I have a machine running with slackware64 13.1 and vnc servers is installed on it. It worked for months until yesterday, when I couldnt connect to the machine remotely.
I have 2 vnc "users" on this machine, root and "user". Each have their own desktop. Root has desktop :1 and user had desktop :2. Simple enough.
VNC servers is started via /etc/rc.d/rc.local with the command:
Code:
Code:
It worked flawlessly. I use the very same configuration on my home server, never had a glitch.
From the "distant" machine, I get this error when I try to connect:
Code:
Unable to connect to VNC server
What has changed so it no longer works? I assume its not a network problem since the machines are all located in my home network and there is no firewall or router in between them.
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Jul 6, 2010
I got connecting to our NAS over NFS working perfectly. Direct NAS Reading & Writing - How? But on Saturday I found out it had stopped working. For no apparent reason, not straight after an update either I don't think. When I manually try to mount --verbose:
mount 192.168.100.14:/IHL /mnt/IHL --verbose
mount: no type was given - I'll assume nfs because of the colon
mount.nfs: timeout set for Tue Jul 6 14:48:32 2010
mount.nfs: text-based options: 'addr=192.168.100.14'
mount.nfs: Unable to connect to 192.168.100.14:111, errno 111 (Connection refused)
mount.nfs: mount to NFS server '192.168.100.14:/IHL' failed: System Error: Connection refused
Corresponding fstab line that used to work just fine. 192.168.100.14:/IHL /mnt/IHL nfs auto 0 0 For now, I can drop back to Samba but this is a PITA as I can't open OpenOffice documents and write to them directly on the NAS. The fact smb://192.168.100.14/IHL works proves networking wise we're cool too. There is no firewall between this PC and the NAS, the NAS is instructed to allow my PC's LAN IP full access. OpenSuse's software firewall has been told to allow NFS Client too. Why would this setup break out of nowhere? How can I debug this best? I see nothing relevant in /var/log/messages How can I get it to work again? A hopeful reboot didn't do its usual wonders...
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Jul 4, 2010
I installed Ubuntu 10.4 side by side with my Vista. This is on a PC I leave on permanently and use as a sort of Sever, so Security and Network connection are VERY important on this device. I use it for documents and IP PBX (telephone system). I currently use Vista and 3CX, but I plan to roll it over to Unbuntu full time once its up and runnng correctly - I will just need to change the Grub2 conf priority. After install, all was fine and I managed to make many changes to settings, apps and updates, but I have noticed in the past week when going in to make further changes the network has suddenly stopped working! According to Network Manager and the icon on the panel it is connected and I can not see anything obvious that is not correct. I tried doing a PING (192.168.1.1) from Network Manager to the main router, but it failed. I know that there is nothing wrong with the network nor the card or PC it all sits on. It's working now with Vista and my other machines. It must be a config some-where.
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Apr 28, 2010
vsftpd not working on my CentOS system. I tried logging in using FileZilla but the error message was: Connection attempt failed with "ECONNREFUSED - Connection refused by server".
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Jan 27, 2016
My plex media server suddenly stopped working after years of no hassle use. This is the output of cat /proc/version = Linux version 3.2.0-4-amd64 (debian-kernel@lists.debian.org) (gcc version 4.6.3 (Debian 4.6.3-14) ) #1 SMP Debian 3.2.65-1+deb7u2
My problem is similar to this forum thread viewtopic.php?f=5&t=121945 where I can get it to start by running Code: Select all/usr/sbin/start_pms & but it's not my normal server configuration. I added a couple files to it and it seems to work except it doesn't start when I reboot. I have to run that command again.This is the init script I've been running for years...
Code: Select all----
#!/bin/sh
### BEGIN INIT INFO
# Provides: plexmediaserver
# Required-Start: $remote_fs $syslog $networking
# Required-Stop:
[code]....
My Debian skills are lacking to know how to proceed with troubleshooting what could have happened. Everything else seems fine, I just can't seem to get this application to run at startup or get back my old configuration...
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Apr 8, 2010
I have ubuntu 9.10 and my wireless connection has been working perfectly until a few weeks ago when I updated my laptop. I can connect to the internet using my wired cable but not by wireless. There is nothing listed under my wireless list. I am new to this and have been unsuccessful in getting my wireless connection going again. I don't even know were to begin. I have a 2wire modem also.
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Jul 13, 2011
When originally installing 11.04 I had problems getting my Ralink 5390 wireless card to work.
Today my computer froze completely and I had to turn it off via the power switch. When I turned it back on, wireless was no longer recognized! My iPod can connect to the network just fine, so it must be an Ubuntu problem. There are no problems with my ethernet connection either.
I researched this and found several threads about blocking and unblocking wireless devices using the rfkill command. Well, unfortunately for me the rfkill command doesn't work. When I type sudo rfkill list or sudo rfkill unblock all, nothing happens; it just returns me to my bash prompt. I even tried uninstalling and reinstalling rfkill...nothing.
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Oct 1, 2010
I have openssh running it was working last week then an update was done and now ssh does not work. removed the updates and the problem still exists.
Its CentOS 5.5 with all the latest updates for 64 bit!
Issue if as follows:
Connect locally to the loop back ip or remote ip the connection is disconnect right after the correct password is entered.
Here are copies of the log, sshd config.
sshd config:
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Mar 13, 2011
ethernet suddenly stopped working and can't get it back, says something about device not active but it works well with the Debian live dvd, what could be the problem?I'm using mobile internet now and this seems to have happened after setting up the mobile connection but I dont think it as anything to do with the wired problem.
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Mar 16, 2010
Recently my wireless stopped working on my Debian testing system. It just doesn't connect. The best I get (only after a reboot) is that it says it did connect, but failed to get IP address. But usually it just tries to connect, disconnects straight away, connects again etc. so it never manages to associate correctly.
I am sure it did work about a month ago, stopped working after recent upgrades from the repository.
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Sep 3, 2010
Ubuntu and I'm using the latest stable version. Yesterday I had my sound working, but today my sound has stopped working.I've taken the following steps without success:System -> Administrator -> Hardware Devices (finds nothing)
Code:
sudo apt update
sudo apt-get update
[code]...
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Nov 19, 2010
A couple days ago I booted up my Ubuntu 10.10 machine as usual,but the wired LAN connection did not work; it doesn't seem to see any wired connection devices. I can still connect to a wireless network with no problem, and if I plug that same ethernetable into another machine it works fine. I've been happily using this setup for weeks; the LAN only stopped working a day or two ago. So I figure there's two possibilities:A recent update caused NetworkManager to stop working with wired LAN connections, but I'm e only persothed affected (unlikely)My motherboard's ethernet port died (this motherboard only a couple weeks old, so this also seems unlikely)I'm not good at diagnosing problems with networking, so who can tell me where to st
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May 13, 2011
I have no idea what happened. When I restarted my laptop a message telling me that my hardware cannot support Unity came up. This is quite impossible, because I've been running Unity with no problems since 11.04 was released.
Compiz says that the interface is unity, and when I checked in login screen, it's not set to Ubuntu Classic or anything, just Ubuntu.
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May 23, 2011
I have an asus EEE 1015N. Everything worked fine yesterday. I packed my computer, and went back home. After turning it back on, not only it didn't connect to the wifi network, but it did not even detect it. I know it's not broken or anything like that because when I boot into windows it works fine.I've been trying every solutionven in the "sudden wifi problems" threads in the forum (including checking the wifi power button, and trying to manually assign an access point to it), but to no avail.
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May 27, 2011
My skype has suddenly stopped working. It starts then stops halfway though the startup. If i run it from the terminal it say Aborted as it stops. I've triedupdating the whole system, including enabling thee and backports options in software sources. I've tried re-installing skype, I've even re-installed the whole system.
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Jun 25, 2011
I'm running 64-bit Ubuntu 11.04. I recently updated virtual box and wine. I also installed the expansion kit for the virtual box. Now Ubuntu doesn't read my sound card. I tried reinstalling alsa and pulseaudio but that did not help.
aplay -l shows no sound cards.
I have a Realtek ALC892 8-Channel HD Audio sound card.
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Oct 13, 2010
I've started to set up a server at my house, where I eventually want to run it headless, and I can just VNC in from my other Desktop. I installed Ubuntu 10.10, setup remote desktop on the server, and from there was able to do any work remotely. That was nice. I turn the computer off at night, and the next day when I was going to work on it, I cannot VNC in anymore. One day passed, and now every time I try to use VNC it comes up with "Failed to connect to server" I also set a static IP address on the server too, so I know the address isn't changing every so often.
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Jul 23, 2009
After using fedora 11 for a month or two now the ethernet gave out on me tonight. However if I switch to my ubuntu or windows XP install it runs fine. I made no recent changes to network connections, and no installed programs that should effect it.
kernel version: 2.6.29.6-213.fc11
default connection: eth0(and only connection)
ifcfg-eth0:
# Networking Interface
DEVICE=eth0
BOOTPROTO=dhcp
HWADDR=00:1F:C6:DB:05:0C
ONBOOT=yes
TYPE=Ethernet
IPV6INIT=no
USERCTL=no
NM_CONTROLLED=yes
NAME=eth0
UUID=5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03
DNS1=192.168.1.254
PEERDNS=yes
PEERROUTES=yes
I have tried, restarting, older kernel, restarting services, and clearing the DNS Cache. The specific error I get is that "Firefox can't find the server", and most other applications return similar. I can however ping websites still. All other computers on the network are running fine, and booting into another system the internet will work. Just not for fedora.
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Apr 2, 2010
I have been using my laptop as a development machine for a few months now, developing php/mysql applications, and testing them offline via the same laptop by pointing the browser to url.
But a few days ago, my url stopped working and I discovered that it will now only work if I have an active internet connection plugged in. Why has this happened and how to I fix my test server so localhost works with or without an internet connection via an ethernet cable.
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Jun 11, 2010
Finally got around to dual-booting and all was going well. I was surprised to see that the webcam on my Vaio worked straight away. However, some time between one boot and another the webcam mysteriously stopped working..
Here is the last time it worked:
Jun 6 23:12:51 dillinga kernel: uvcvideo: Found UVC 1.00 device <unnamed> (05ca:1837)
Jun 6 23:12:51 dillinga kernel: input: UVC Camera (05ca:1837) as /devices/pci0000:00/0000:00:1a.7/usb1/1-2/1-2:1.0/input/input12
Then the next boot:
Jun 6 23:41:48 dillinga kernel: uvcvideo: Found UVC 1.00 device <unnamed> (05ca:1837)
Jun 6 23:41:48 dillinga kernel: uvcvideo: UVC non compliance - GET_DEF(PROBE) not supported. Enabling workaround.
Jun 6 23:41:48 dillinga kernel: uvcvideo: Failed to query (129) UVC probe control : -32 (exp. 26).
[code]....
So I decided to boot into windows and make sure all was OK - and it was. Then I came back into Fedora and suddenly the camera was working again! I thought I'd reboot just to see if anything changed and alas here I am again with no webcam and the same error.
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Mar 9, 2010
I am a proud user of ubuntu and basically this is my desktop: I have got rid of the bottom gnome taskbar and replaced it with cairo-dock and the top toolbar is only showing one pixel with a delay scroll down so when i hover by it it doesnt keep popping down unless i leave the mouse there. anyway thats besides the point. i use cairo-dock and have done for over 4 months. then all of a sudden it stopped working. I don't have a clue why, perhaps you have encountered this problem and know of a solution. im using 9.04 jaunty and latest cairo-dock. when i type cairo-dock -c into terminal i get:
[code]....
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Jul 24, 2010
I'm using Ubuntu 10.04. I was happily connected to internet and surfing some forum, when wireless connection suddenly stopped working.
Now I can't find any access point, and I'm pretty sure I didn't do anything to justify this behaviour.
It already happened a month ago, but I had to format my drive, so I didn't really bother to try to solve the problem.
Anyway. I'm posting here the results of the commands I think I can help with a diagnosis; if something else is needed.
I'm using a different computer to post this thread, so I'm manually writing the output.
Code:
sudo iwconfig wlan0
wlan 0 IEEE 802.11bg ESSID: off/any
Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
sudo iwlist wlan0 scan
wlan0 No scan results
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Aug 12, 2010
Version: Ubuntu 10.04 Relavant hardware: P5QL Pro built-in ethernet, cable modem with linksys wireless-G router (although problem is with ethernet connection, not wireless)
One minute my ethernet was working, and the next it stopped working. The only thing that I did between it working and not working was install electricsheep from Synaptic and then I shut down the computer. When I restarted a bit later, no ethernet connection shows up.
I checked the cables, made sure they are in tight.
My laptop connects using the same ethernet cable fine. So its not the cable or the router.
I reset the router and the computer at the same time. Still doesn't work.
I don't know where to even start with troubleshooting this sort of problem. Everything to the extent of my computer knowledge seems to be working fine.
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Oct 24, 2010
I can't get any sound from either online audio or from a CD in drive. I've watched videos with sound with only occasional problems until today. I have been using MPlayer with internal audio 1 output - analog stereo output. When I start a vid, it will begin to D/L and play, but without sound. When I try to check the volume level everything pauses and then my system freezes. Sometimes it will release in a few seconds, but mostly it won't allow me to close Firefox and if I try to close the tab or window or Firefox, I have to reboot. Sometimes the vid will D/L without a problem, but no audio on playback. Oddly, when I bring up the system monitor, processors will show 1 or 2 cores stuck at 100% while the others fluctuate wildly. Download speed falls to almost nothing with occasional blips or nothing. I checked several sites and they all have the same problem. I have checked my physical connections, and bios settings.
There is an option for a RS780 Azalia controller 1 output Digital Stereo (HDMI) output, but I have not been able to make it work since the system was new. I don't know why.
This is the most recent SYSLOG file. The pulse audio errors have always been there, but since it didn't seem to affect playback, I didn't run it down.
Oct 24 16:04:19 jess-desktop kernel: [ 889.588898] cdrom: This disc doesn't have any tracks I recognize!
Oct 24 16:04:19 jess-desktop kernel: [ 889.609167] sr 0:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[Code].....
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Jan 5, 2011
I'm using Ubuntu and my sound was working fine and then suddenly it just stopped working.
It does however, have odd spells where its working (for like 2 minutes) but those spells are few and far between. So basically the sound is not working.
When it isn't working my speaker seem to be making these hissing/screeching noises.
I've tried looking up on Google on how to fix it, i.e. running terminals, etc. but still haven't come round to fixing it. Could someone explain to me how to fix the sound please?
And no, the speakers aren't on mute. I checked volume control and everything is full.
Summary:
Laptop: Acer
OS: Ubuntu 9.something
Sound card: hda-intel
Problem: Sound not working
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Mar 18, 2011
I have recently noticed that my keyboard shortcuts stopped working.Things like F2 to rename files/folders, I think its ALT+F1 to bring up applications menu, however it comes up with a dialog saying Power Information. I also can not use backspace in FF to go back a page and things like that, which I find very annoying because I prefer to navigate with the keyboard and that deal.Yes I have Compiz installed however I have for a few months now without this problem which appeared only within the last fw days. I have had k at the keyboard shortcuts in Compiz and set them to default but nothing changed
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Apr 18, 2011
I'm running a gateway lapbook w/10.04 LTS and an etheros wirless card. Card has been working fine for almost a year - from cold boot, warm boot, and recovery from standy (shut lid, open, press power button). I was fiddling with setting a static IP for the wirelss card by modifying the interfaces text file. I made some changes, and restored the file to its original contents after some noodling around. Wireless still worked fine after that. Last night I took the laptop out of suspend as usual - lifted lid, pressed power button - but the wireless indicator remained grayed out and I haven't been able to reenable wireless connectivity since. ifconfig shows the wireless card is there, and cabling the e-net port directly to my hub works fine.
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May 5, 2011
Earlier in natty this was working completely. It's only just started happening about a week ago. I don't know what changed, all I know is it suddenly stopped working. Basically the bar at the top is still there but there is black underneath. I can put windows there but I cannot see them (Just black). If I click on an indicator it looks on the bar as if it is being clicked but I cannot see the menu. I have attached a screenshot.
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Aug 18, 2011
I use a small application called bendometer.jnlp. On my desktop running 10.04 it runs fine after opening with "OpenJDK Java 6 Web Start".
I have installed the same application on my brand new laptop running Ubuntu 11.04 and it was running perfectly until yesterday. Yesterday it hung during the startup and since I killed the hung process it has refused to start again. If I now run it in a terminal using the command
Code:
javaws "/home/steve/Music/Bendo/bendometer.jnlp"
I get the following errors
Code:
Unable to use Firefox's proxy settings. Using "DIRECT" as proxy type.
Exception in thread "Thread-2" java.lang.InternalError: Corrupt LRU file entries
at net.sourceforge.jnlp.cache.CacheLRUWrapper$1.compare(CacheLRUWrapper.java:184)
at net.sourceforge.jnlp.cache.CacheLRUWrapper$1.compare(CacheLRUWrapper.java:172)
[Code]....
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May 15, 2011
The problem started with that I got a lot of errors about missing header files included from SDL_mixer.h when I attempted to compile my projects. I looked in the directory of this file, and all header files were missing except SDL_mixer.h Resolved this by compiling and installing the base SDL library package. Programs that got recompiled and were able to play music before suddenly produced no music, but sound effects worked. However, old binaries that were compiled prior to the issue with the missing header files played music fine. What the heck is this? I get no errors, nor warnings; none at compilation, none on execution. The kernel pool (dmesg) is clean. There is also another strange issue, which perhaps has nothing to do with the first issue. x86_1$ ./fire XDM authorization key matches an existing client!Couldn't initialize SDL: Couldn't open X11 display.
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