Viewing a largeresolution VNC server through a smallresolution viewer in Ubuntu
location: linuxexchange.com - date: July 22, 2011
I have two Ubuntu computers, one with a large screen resolution (1920x1600) that is running the default Ubuntu VNC server. I have another computer that has a resolution of about 1200x1024 that I use to VNC into the server using the default Ubuntu VNC viewer).
Now everything works fine except there are annoying scrollbars in the viewer because the server's desktop resolution is so much higher than the viewer's. Is there a way to:
Scale the server's desktop down to the viewer's resolution. I know there will be a loss of image quality, but I am willing to try it out. This should be something like how Windows Media Player or VLC scales down the window (and does some interpolation of pixels).
Automatically shrink the resolution of the server to the client's when I connect and scale the resolution back when I disconnect. This seems like a less attractive solution.
Any other solution that gurus out there use? I am sure someone has experienced this before (annoying scroll bars) so there m
m and s keys do not work over vnc connection to ubuntu server
location: linuxexchange.com - date: March 5, 2013
I'm new at setting a lot of this up, so bear with me.
I installed Ubuntu 10.4 server on a 64 bit machine. Then I added vnc so I could manage it while it's racked.
I start the server, SSH to it, and run
# vncserver :1
At this point, all keys work fine. Next I exit out of the SSH session and fire up my client vnc app. I connect via the IP :1, enter my password, and everything seems to be fine. Now when I enter a terminal (through the vnc connection) I cannot type lowercase "s" or "m" (upper case works). I've tried on two different pc's running the vnc client, but it's the same. I also installed the latest updates from Ubuntu as of today.
Thanks for any help.
How to remove warning about storing unencrypted password after commiting file in svn
location: linuxexchange.com - date: July 7, 2011
Every time I commit a file in svn I get the following message:
ATTENTION! Your password for authentication realm:
can only be stored to disk unencrypted! You are advised to configure
your system so that Subversion can store passwords encrypted, if
possible. See the documentation for details.
You can avoid future appearances of this warning by setting the value
of the 'store-plaintext-passwords' option to either 'yes' or 'no' in '/root/.subversion/servers'.
Store password unencrypted (yes/no)? no
I don't want this authentication; how can I get rid of this warning?
Warning: socketconnect() [function.socketconnect]: unable to connect : Connection timed out
location: linuxexchange.com - date: September 16, 2012
I have a php script using sockets and my code works well when I test it on localhost (XAMPP).
But after I uploaded the same code to my web hosting, it doesn't work properly. In details, It loads a few minutes and finally gives out these error messages.
Warning: socket_connect() [function.socket-connect]: unable to connect : Connection timed out in /home/....
Warning: socket_send() [function.socket-send]: unable to write to socket : Broken pipe in /home/....
Warning: socket_read() [function.socket-read]: unable to read from socket : Transport endpoint is not connected in /home/....
I think it is probably because the server blocks the socket connections. And my questions are:
Can I execute some code to check whether the server blocks it or not? ( e.g. phpinfo() )
What server configurations should I focus on so that I can try to make it connect? (I can access .htaccess file but not php.ini)
Is SSL necessary for socket connections?
If I finally cannot fix this problem
Where I can find the source of a VNC ClientServer Connection
location: linuxexchange.com - date: June 12, 2012
I'm working on a remote client of vnc. The problem I have is that I can't find any source for my client connection. the project is developed on Linux X11 . I just need the source code or some example doing the "client" connection. I already have the server done.
VNC connection fails: vino<>vinagre
location: linuxquestions.com - date: March 10, 2014
I cannot get a vnc connection to my headless PC over the home network. I'm trying to connect from Linux Mint Petra w/ Cinnamon, while the headless box has LMDE w/ Mate, I've been trying this for a while, but it hasn't worked yet unless I connect the LMDE box to a screen and enable vnc connections from its own desktop.
I have vino installed on LMDE, and I can connect to it using vinagre on the client side, but I just see a black rectangle in the vinagre screen, that's it. As soon as I make the connection, I get a pop-up that says a remote computer is trying to get access to my desktop. I don't get to allow or deny though, the pop-up just disappears if I click it, the vnc screen stays black.
Here is some output from vino:
VNC server connection to guest os in virtual box [closed]
location: linuxexchange.com - date: October 15, 2012
I have a ubuntu 12.04 host machine. Inside that machine i have a guest o.s installed using virtualbox. I have installed a tight vnc server (i am ready to change the VNC server if not possible in tightvnc) on my ubuntu host o.s. i am trying to connect to the vnc server through my vnc viewer. but i get a new x session opened for the host o.s all i want is to just connect to the guest o.s through vnc server on host o.s . Is this possible ? can any body explain me in detail how to do this.
p.s :- For some reason i dont want to install vnc server on my guest O.S ?.
Vagrant up and reload default: Warning: Connection timeout. Retrying…
location: linuxexchange.com - date: January 1, 1970
I had a fully functional vagrant for three months now, but for the last three days, I am getting errors whenever I try to run vagrant up or vagrant reload.
This is the error I get when running vagrant reload
default: Attempting graceful shutdown of VM...
default: Guest communication could not be established! This is usually because
default: SSH is not running, the authentication information was changed,
default: or some other networking issue. Vagrant will force halt, if
default: Forcing shutdown of VM...
default: Clearing any previously set forwarded ports...
default: Clearing any previously set network interfaces...
default: Preparing network interfaces based on configuration...
default: Adapter 1: nat
default: Adapter 2: hostonly
default: Forwarding ports...
default: 80 => 8080 (adapter 1)
default: 22 => 2222 (adapter 1)
default: Running 'pre-boot' VM customizations...
default: Booting VM...
default: Waiting for machine to boot. This may take a few minutes
VNC connection to Ubuntu EC2 [closed]
location: linuxexchange.com - date: January 1, 1970
I've been trying to get a VNC connection to my Ubuntu instance installed at EC2.
This is what I have done so far :-
Install x11vnc and run it as x11vnc -create. I used the create flag as I wasn't sure if I believed an xserver wouldn't be running and would have to be created. I got the following output mentioning that "The VNC Desktop is , Port=5903".
I edited the security groups to allow incoming connections to port 5903.
I tried connecting to the VNC desktop from my Mac using "Chicken of the VNC" at the public dns and port 5903 but it says connect() failed.
What am I doing wrong? Am I binding to the wrong interface? Thanks.
How to encrypt VNC connection? SSH port forwarding?
- date: January 1, 1970
I'm trying to secure/encrypt my VNC connection (personal computer to linux/ubuntu server) using SSH port-forwarding to secure the connection:
ssh -L 5901:localhost:5901 [email protected]
This is from: https://help.ubuntu.com/community/VNC#port-forwarding
So I type this command from my personal computer to the linux server and I am able to connect with ssh, as in login. Seems successful.
However, when I VNC (using RealVNC) to the linux server, it still warns that my connection is unencrypted. I have port-forwarded ports 5901 and 22 on my router to my local machine.
What am I missing?
Note1: I am currently using RealVNC (free version) and tightvncserver (on the linux/ubuntu server).
Note2: I am using this guide to find a way to get a secure VNC connection: https://help.ubuntu.com/community/VNC/Servers
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