Questions tagged [snap]

Questions related to snap-package should be tagged here (ex. making a snap-package, issues, etc)

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How to create an Ubuntu application CD/DVD with autorun?

Is it possible to burn an Ubuntu app on a CD/DVD, and make an autorun for it, just like Windows? If yes: How to do it with a Snap application? Consider I have downloaded an app from Software Center ...
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11 views

Snap not allowing me to remove or refresh anything

I'm usually capable with solving issues on ubuntu, also I have never bothered to use snap, and now I regret that I did. I installed my dev tools via snap, big updates came out for most of them ...
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41 views

Is it possible to download snaps and install them on other machine that doesn't have internet access?

Is it possible to download snaps and install them on another machine that doesn't have internet access? Or do I always need the snap store/snap command in the console?
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8 views

Start another application and access ioio ports from a snap application with strict confinement

I built two applications using snapcraft(say snap1 and snap2) with confinement as devmode. snap1 is a simple daemon application which starts snap2(not a daemon) and both work normally. I’m developing ...
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36 views

Installing Snaps in China is too slow

When I try to install anything using snap, I found out that the download speed is very slow. As shown in the screenshot, it is about 20 kb/s: How can I install a snap fast?
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19 views

How to configure cntlm-ondra in ubuntu 18.04

I've installed a fresh ubuntu desktop 18.04. I've installes the snap cntlm-ondra package. Where are configuration files to put proxy configuration (domain, user, password, no-proxy hosts, ...) I have ...
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23 views

Missing communitheme after restart on 18.04

This weekend I restarted Ubuntu 18.04 and after I logged in, I noticed I was back to Ambiance theme. I checked communitheme snap package and it was still installed. I reinstalled it, rebooted Ubuntu ...
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1answer
30 views

Sensor Unity Snap App- Need to get the information of this app after installation

Snap store recommended to install Sensors Unity app through the Ubuntu Store and so I installed the Sensors-Unity app using the Ubuntu Desktop store! Sensors Unity Ubuntu Store I clicked the launch ...
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1answer
93 views

How to build a dotnet core snap?

I have a dotnet core project I would like to package as a snap. However following the "Create your first snap" tutorial and using the dotnet plugin leads to the following error: The plugin used by ...
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2answers
74 views

How do I view the contents of a .snap file?

I need to see what is exactly packed inside of a .snap file, like we can inspect .apk files, for debugging purposes. Is there any way to extract it to files and folders or any .snap inspector similar ...
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27 views

Ubuntu 16.04 snapd problem

I am having a problem with installing/uninstalling snapd and I cannot install any package. And it shows the following error: error: cannot communicate with server: Posthttp://localhost/v2/snaps/...
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1answer
26 views

Snapcraft pushes to wrong snap name

I built an app and I want to push it via snapcraft push --release=edge violin-player_2.2.0_amd64.snap I get the following error message: Received 403: '{"error_list": [{"message": "Cannot upload ...
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1answer
42 views

How to create a Snap package that uses Docker to pull and run a Docker images?

I have a Docker image and a cli tool. I want to create a Snap package that pulls the Docker image and run it on the local Docker. I already have a snapcraft.yaml that installs the cli tool. I'm ...
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15 views

How do I connect a snap application audio to Jack Audio Connection Kit?

I installed VLC as a snap application. I use Jack Audio Connection Kit with pulseaudio disabled. What snap connect line can I use to make VLC and other snap packages (like Audacity) appear in Jack?
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1answer
105 views

Errors when trying to make a Wayland-native kiosk snap

Running Ubuntu 16.04. From https://tutorials.ubuntu.com/tutorial/wayland-kiosk#0 Make a Wayland-native Kiosk snap At https://tutorials.ubuntu.com/tutorial/wayland-kiosk#4, the following errors occur:...
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1answer
92 views

how to launch the tor browser from a snap install?

see first: https://tor.stackexchange.com/q/318/857 Trying to launch tor I get prompts to install with apt whereas I'm using snap: thufir@dur:~$ thufir@dur:~$ tor Command 'tor' not found, but can ...
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1answer
140 views

Non-gtk desktop programs on Xubuntu 18.04 look terrible

I've been using xubuntu for the past few months and have been continuously struggling to understand why almost every time i install a new program, it looks like something from windows 95: I included ...
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70 views

“failed to mount Mount unit for <program>” when restarting the system

When I restart my Ubuntu 18.04 system, it suddenly crashes and shows a long list of [FAILED] messages as shown above, for example: [FAILED] Failed to mount Mount unit for gtk-common-themes, revision ...
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1answer
55 views

Microk8s snap broken

I am trying to get Microk8s to work using snap. When I run any snap command related to microk8s, I get the following error message: error : cannot perform the following tasks: - Arrêter les services ...
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79 views

How to always allow Firefox to open files [duplicate]

I am quite new to Ubuntu and I was wondering how I could disable or remove the dialog that says 'Allow opening file': Answer: For anyone facing a problem with Firefox uninstall firefox and ...
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139 views

qt.qpa.screen: QXcbConnection: Could not connect to display

I have this problem where i can't run a snap app my system is a dualbooted DELL Latitude E7450, 8 GB ram, 2.5 GHz Intel i5, 250 GB SSD, running Zorin core 15 (170 GB) and windows 10 (80 GB) my ...
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47 views

Cannot snap abort or sudo snap abort

I can't remove a failed application ~$ snap changes ID Status Spawn Ready Summary 38 Done yesterday at 20:48 WIB yesterday at 20:48 WIB Auto-refresh snap ...
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1answer
91 views

How to uninstall a snap package manually?

I am trying to remove a snap package, leagueoflegends, but i am getting this error: error: cannot perform the following tasks: - Disconnect leagueoflegends:desktop-legacy from core:desktop-legacy (...
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63 views

libgcc_s.so.1 must be installed for pthread_cancel to work [SNAPCRAFT]

I am building my first snap and I am encountering some problems. My application uses Unity, Java, C ++ and Python, the last 2 are used to create a shared library that is used by Unity. When I try to ...
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20 views

19.04 minimal server installation: are the “core” and “lxd” snaps required?

I'm in the process of setting up a server based on Ubuntu 19.04. I like servers that I maintain to have as little installed on them as possible. The initial installation process (with no add-on ...
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1answer
90 views

snap permissions for home directory for Octave

I installed the octave snap yesterday, but when I run octave, it does not have permissions to access my $HOME. How do I enable permissions? ctaggart@rustasia:~/octave-add$ octave octave: X11 DISPLAY ...
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1answer
46 views

How to list all available versions of a snap which is not installed?

How to list all available versions of a snap which is not installed? I'm using Ubuntu 19.04 with snap 2.39.3.
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134 views

Snapd service not running / problem installing snap packages on Ubuntu 16.04

Having some trouble with snap for installing Heroku. Never used it before, usually use pip. Here's what happens: (legal_subs_3.6) (xenial)amessios@localhost:~$ sudo snap install heroku --classic ...
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1answer
44 views

Installed Okular using snap, toolbar file open entry don't work

Just installed Okular using the snap package in my ubuntu 16.04 machine. It works fine if right click a pdf and choose open with->okular. If I open Okular I cannot use the file menu in the toolbar. If ...
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30 views

Ubuntu Core 18 /Intel NUC

I have been testing Ubuntu Core 18 on Intel NUC. So far i have managed to learn how to create custom image that includes snaps that i need: Alsa-utils, Pulseaudio, mir-kiosk, beta chromium-mir-kiosk ...
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27 views

Snap package fails to open in Ubuntu 18.04

When I try to open a snap package the following error shown, cannot create user data directory: /home/local/xxxx/angel/snap/gnome-logs/61: Permission denied I am using ubuntu version is 18.04 and ...
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1answer
69 views

How do I remove duplicate entries from Dash on 18.04?

I'm running Ubuntu 18.04. I've installed Krita and VLC via the Ubuntu Software store (among other apps). I have enabled multiple repositories as sources for the store. Krita and VLC are both listed ...
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1answer
78 views

Ubuntu 19.10 Snap performance issues [closed]

Now that it looks like more default apps are using the snap versions, a number of issues cause a decline in the experience: Startup of the apps is slower. Snap apps don't interact with other apps: e....
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170 views

This application failed to start because it could not find or load the Qt platform plugin “wayland-egl”

Suddenly robo3t doesn't start, Error Message usama@usama:~$ robo3t-snap This application failed to start because it could not find or load the Qt platform plugin "wayland-egl" in "". Available ...
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42 views

i had this problem while installing mysql-server

sudo apt install mysql-server Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer ...
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39 views

Security concerns with snap or apt repositories?

So I've been developing Android apps for about 6 months now, after doing web dev and desktop Java in Windows for about 18 months. I've been using Ubuntu exlcusively for around 4-5 months now (...
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39 views

ubuntu 16.04 alternative to squashfs-tools?

Based on answers in this in order to remove snapd one should remove also squashfs-tools. Is there any good alternative to squashfs-tools that can be used after that?
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76 views

How to configure the docker snap to accept a private registry certificate?

When installing docker as a snap I am not able to tell it to accept a private registry certificate. The only time it appeared to at lest consider the certificate was when I put it in /etc/docker/...
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73 views

Problems reloading udev rules while installing snaps in Ubuntu 18.04

I'm trying to install the snap application whatsdesk on a fresh installation of Ubuntu 18.04 and I keep getting the following errors: $ sudo snap install whatsdesk error: cannot perform the following ...
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69 views

Snap store is having issues for Spotify. How to resolve?

I am having an issue opening Spotify. Whenever, I type spotify in the terminal I get this message snap-confine has elevated permissions and is not confined but should be. Refusing to continue to ...
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22 views

How can I list manually installed snaps and remove no longer needed automatically installed ones?

I know that with debian packages, packages can be marked as auto or manual. I can list manually installed packages and remove all automatically installed ones that that aren't depended on by manually ...
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79 views

I can't run mathpix-snipping-tool due to AppArmor policy

I installed mathpix using snap but when I tried to run it display this error message "An AppArmor policy prevents this sender from sending"
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36 views

Installed snaps fail to run on 16.04

I have several snaps installed: $ snap list Name Version Rev Tracking Publisher Notes core 16-2.39 6964 stable canonical✓ ...
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59 views

Enable snap TAB-completion for zsh

Does anybody have an idea how to get the TAB-completion for zsh working for the snap command? According to the answer in How can I enable auto-completion for the snap command? it should be working ...
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44 views

copy config file from $SNAP to $SNAP_COMMON is not working with classic confinement

As suggested in this "Where can Ubuntu snaps write data?" I tried Option[1] for my app which is working fine for devmode confinement. But the same is getting failed when i tried to change the ...
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1answer
123 views

Snap installed applications not showing on launcher

After installing applications using Snap (e.g: slack, chromium browser) they not appear in gnome launcher. Not able to run them using [gtk-launch][1] neither. .desktop files exist in /var/lib/snapd/...
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1answer
85 views

Snap: how to disallow a connection/interface/plugs by default for all newly installed snap packages?

I would like to disalllow home folder access and network access for all snap packages including and especially the ones that will be installed in the future. So that no snap package could read my ...
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52 views

Ubuntu 18.04 LTS : Can't open snapstore gui

I installed fresh ubuntu and installed snap store. Now from application When I open snap store, it displays name in the in taskbaar n shows a loading cursor then closes down without any error. ...
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15 views

What are folders mounted on snap? [duplicate]

When I check free disk space on Ubuntu 18.10/19.04 using df -h I get some strange file systems listed, like /dev/loop* etc.: What are these and how can I change my system so that they no longer ...
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90 views

Snap is broken after broken update to 19.04

I upgraded to 19.04 few weeks ago, however the screen froze mid-upgrade (assuming due to graphics driver glitch, I use a GTX 1070 card, yea I still need to figure out why none of the official drivers ...