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1. #Ubuntu sudo says no protocol specified install#
2. #Ubuntu sudo says no protocol specified code#
3. #Ubuntu sudo says no protocol specified password#

It does not work because by default your X session is only accessible to your own user - this is a security mechanism to prevent other users from doing malicious things in your X session. Any of the example applications given here can equally well be run using. It is perfectly possible to run GUI applications from the terminal - but you are running them with sudo, which you should not. By doing so, you will be able to verify conclusively the UID/GID of the container process that opens the socket. the websocket protocol will be handled by websockets (should you want to use. See and create this Python file that creates a socket, and shows you the UID/GID of the process that opens this socket.

You need to verify that the uid/gid that is received at the X11 socket on the host, is the uid/gid of your desktop user. I dink that something goes wrong with the application of the idmap. Note that in any case, when you make changes in the profile, you need to restart the container so that the profiles are reapplied. I have tried in my case to set a different GID and it worked. The DISPLAY variable pointing to the correct display (usually :0) Almost yours: 2 weeks, on us 100+ live channels are waiting for you with zero.

#Ubuntu sudo says no protocol specified install#

First thing I did was to install synaptic package manager. Raw.idmap: both 1000 1000 should work for you, even if the group ID is different, because you get correct the UID. Accessing the X server requires two things: 1. Linus 28 July 2017 13:03 1 I just installed Ubuntu MATE 16.04.2 LTS. $ lxc profile show guisharedĭescription: GUI LXD profile and shared folder I created this following minimal profile and it works for me. Ah, an observation: Linux Mint is dealing better with openmpi. Maybe this problem is related to X11 ou X.org. I’m sorry if I don’t explain things clearly… Using a simple mpiexec command through ssh in server, the term 'no protocol specified' disappeared just when GUI interface is active in server, when user area is logged. Moreover does the hostname of the host in this file as to be the same as the container? I had this problem before with other laptops, but the other solutions worked that time. are you trying to run GUI apps as root in a terminal with sudo that wont work (its a security feature) you need to use kdesu or gnomesu or xdg-su -c in the. When You say “You create an authority on the host” do I have something to do? The file was already there so I didn’t do anything. No protocol specified terminate called after throwing an instance of ' (anonymous namespace)::DisplayError' what (): No display available. Re: No protocol specified xhost: unable to open display ':0.0' The problem started since I installed my arch linux for the first time. Xauthority file is mounted in the container but still the same error. Then i took your profile and removed all stuff about gpu and pusle audio not needed for now. Printf "uid $(id -u) 1000\ngid $(id -g) 1000" | lxc config set test raw.idmap. Lxc config device add test home disk source=/home/host/sharefolder path=/home/user printf "lxd:$(id -u):1\nroot:$(id -u):1\n" | sudo tee -a /etc/subuid I use profile for reuse but here’s the commands from tutorial

Note: This opens the /etc/sudoers file using your default editor.My /etc/subuid, /etc/subguid lxd:100000:1000000000 To configure it run either of the commands below: sudo nano /etc/sudoers When I type sudo gedit' I get this error and no editor comes up. This might be the problem I am having with the editor.

#Ubuntu sudo says no protocol specified password#

The no password requirements is configured in the /etc/sudoers file. Needs answer Ubuntu I just set up a Ubuntu VM1 and I explanded the desktop to cover two monitors. To fix this you need to be able to run sudo for that specific user with no password requirements. As it can’t find a tty, sudo falls back to an askpass method but can’t find an askpass command configured, so the sudo command fails. What could be different in the configuration of the two difference Ubuntu machines that would explain why one works and the other doesn't Update: As suggested by Zoredache in the comment below, I ran sudo apt-get install xbase-clients, but I continue to have the same problem. The issue is caused by executing a sudo command which tries to request for a password, but sudo does not have access to a tty to prompt the user for a passphrase. I try to run the iReport 5.6 on Ubuntu and Java 7, using the command: sudo iReport-5.6.0/bin/ireport No protocol specified.

#Ubuntu sudo says no protocol specified code#

The remote script failed with exit code 1 However when I run the command I get the error: sudo: no tty present and no askpass program specified I was trying to run a sudo command from a remote machine to deploy an app to the server. I faced this issue when working on an Ubuntu 20.04 server.