Questions tagged [snap]

These questions are about Snappy (software development and package management system).

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Runtime environment of the Snap programs

What is the technique used by snap to sandbox programs ? How much isolation does it provide ? Does it make use of chroot , apparmor , etc. ?
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How to run snap daemon outside a container

It looks like snap programs (installed on ubuntu) are run instide VMs/containers created by Canonical (called multipass). But what if my daemon needs access to the host filesystem, host system socket ...
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15 views

How to create snapd service using Snap packages

I want to create a snap/systemd/brew service on MacOS and Linux. Creating and publishing a snap app is pretty simple: https://snapcraft.io/first-snap but I am looking for an example of how to create ...
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20 views

Why package managers like apt and pacman cannot install multiple packages simultaneously unlike snap

I get an error of locked database every time i try it on pacman. So what mechanism of snap makes it different.
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iw use Regulatory.bin from /snapd/core instead /lib/crda

I modified frequency in /lib/crda/regulatory.bin using crda scripts but unfortunately iw from version 5.4.5 for some reason use file /snapd/core/8689/lib/crda/regulatory.bin which is unmodificable ...
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Snap App Icon Missing On App Side Menu PopOS

I have the latest version of Pop!_OS installed, and I used the SnapStore to install Microsoft Visual Studio Code, and everything was fine until today when I rebooted and found my app icon on the ...
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46 views

Install and run Skype in Snap(d) on Debian with Gnome 3 desktop

I installed snapd on my debian system: Operating System: Debian GNU/Linux bullseye/sid Kernel: Linux 5.4.0-4-686-pae Architecture: x86 GNOME Shell: 3.34.4 ...
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15 views

Skype asks twice for credentials and doesn't save it

I've recently installed skype with snap and noticed that each time I start it it asks me for user name and password. But after I entered them it would still show me the login window with "Let's get ...
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28 views

Gimp snap won't print preview

I've installed Gimp 2.10.14 through snap on PopOS 19.10 and when I want to check the preview of the document that I want to print It won't show anything. If I run Gimp from a terminal with snap run ...
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13 views

Why I can't install nextcloud by snap on a Linux VPS(Ubuntu)?

My operation system is Ubuntu 16.04 64bit ,and i did these: apt-get update apt-get install snap apt-get install snapd snap install nextcloud But I cannot access my IP address.It says 39.106.224.162 ...
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fasd -e emacs not working correctly (snap installation)

fasd is working fine when I use commands such as z (equivalent to fasd_cd -d). However when I try to do something like fasd -e emacs .bashrc I get a funny error message: /snap/fasd/2/usr/local/bin/...
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1answer
135 views

Appimage vs. Flatpak vs Snap apps number [closed]

I was wondering which one of those package managers contain the biggest selection of apps. Honestly speaking this fragmentation is confusing and frustrating. Instead of uniting behind one package ...
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1answer
550 views

Fedora 31 and Snapd issue

I'm trying to use snapd on Fedora31, but unsucessfull.. Step 1 - Installation: [otaviolarrosa@localhost ~]$ sudo dnf install snapd Last metadata expiration check: 0:46:14 ago on Sat 04 Jan 2020 04:...
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2answers
120 views

How can I manually download a snap package? For example, with wget?

How can I manually download a snap package? Preferably as a non-root user with wget? For example, the Snapcraft page for Chromium is here: https://snapcraft.io/chromium How can I find the URL(s) ...
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1answer
152 views

snapd fails on openSUSE Leap 15.1

I've installed and enabled snappy on my openSUSE Leap 15.1 system according to this documentation: https://snapcraft.io/docs/installing-snap-on-opensuse When adding the repository, I used the one for ...
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2answers
98 views

Why won't GitKraken, installed on Pop Os with Snap, start?

I am trying to install GitKraken on a System 76 computer that comes with Pop_OS! installed. Here is the linux data: NAME="Pop!_OS" VERSION="19.10" ID=ubuntu ID_LIKE=debian uname: Linux 5.3.0-7625-...
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1answer
127 views

Why is flatpak so much bigger than snap (at least for Okular)?

I was looking at the best way of installing Okular in Xfce, avoiding too many dependencies. While apt mentions 100 dependencies in a 19 MB download, taking 101 MB on disk, I have tried flatpak and ...
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31 views

Getting snap to mount loop devices using direct I/O

How can I get snap to mount its loop devices in direct I/O mode on CentOS 7? When setting up loop devices manually, I can use losetup --direct-io 1, but can't see where to provide mount options to ...
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1answer
220 views

Fedora — Pdftk File not found, snap installation

I am running Fedora 31 under KDE. I installed pdftk with the snap store. The installation process finished succesfully. However, when I am trying to execute a pdftk command (for instance here to burst ...
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1answer
185 views

Notepad++, installed through snap install, has a menu bar with very small letters

I have installed notepad++ using a snap command under my GNOME session on Debian 10. sudo snap install notepad-plus-plus It works fine, except that its menu bar has a font that is too small. Other ...
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15 views

No Snap Apps Entries generated in Debian Buster 10.1

Context: Debian 10.1 XFCE amd64 I have installed snapd, so after that I have installed Inkscape (Edge) and Libreoffice (Stable) Snap Apps, but I have no entries in my XFCE desktop. I can run these ...
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1answer
156 views

snap install, proton (Steam), and Wine

A month ago, I discovered that the Proton module in Steam attempts to ensure the best compatibility it can with the Windows games I got, and allow me to play some on my Debian 10. Yesterday, I've ...
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165 views

Snap Packages .desktop Files

I have snap installed and installed mailspring using snap. I was looking for its .desktop file in ~/.local/share/applications and /usr/share/applications and couldn't find the file. I searched the ...
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20 views

Installed VS Code, not sure how to run it or where to find it

I'm new to Debian (Mate) and I am pretty sure I installed Visual Studio Code through snap. However I can't find it anywhere and don't know what I should type in the terminal to open vscode. I have ...
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1answer
41 views

Ubuntu Core switch WiFi between AP and STA

I’m using Ubuntu Core and I’m new to Snappy. I’m using the snap package “wifi-ap” to enable Access Point. I’m also using “NetworkManager” when I want to use Station mode. I’m struggling to switch ...
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148 views

Hard drive failure imminent - blk_update_request - I/O error, dev loop3, sector 0?

I booted up my laptop today and I saw this error via dmesg: [ 49.388234] IPv6: ADDRCONF(NETDEV_CHANGE): wlp10s0f0: link becomes ready [ 49.671551] blk_update_request: I/O error, dev loop3, sector ...
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1answer
585 views

How to Enable Proper Snap Functionability in Ubuntu 18.04

Trying here to install a package via snapd, but keeps receiving following output: $ sudo snap hello Warning: /snap/bin was not found in your $PATH. If you've not restarted your session since ...
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1answer
206 views

Do snaps require systemd?

Do snaps and the snapd daemon require systemd? I am running Devuan right now, and wonder about the labor required to install applications from snaps. The snapcraft home page is content-free when it ...
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1answer
677 views

Safe to remove snap on Ubuntu Server?

I don't use snap and never install snap packages. On a new Ubuntu Server 18.04, snap list shows: No snaps are installed yet. Is it safe to remove it? I'm not sure what weird dependencies are ...
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22 views

Can't install raspberrymonitor on ubuntu

I tried through ubuntu software manager and received the error 'Unable to install raspberrymonitor: snap not found. I have 19.04 so I thought this was strange. Going through the command line: maiden@...
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1answer
109 views

How to prevent a snap package from accessing my home directory?

I want to use mathpix-snipping-tool snap package, but it has an extremely lousy privacy policy, in which the company says that they can collect whatever info they want, and the package has a home ...
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21 views

Installing snap packages

How can I restart snap install once, it got halted after internet disconnection and snap install was in middle of downloading a package ?(I want to restart snap installation of that same package ...
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1answer
217 views

How to make alias for atom?

In linux mint, is it possible to run atom editor by command atom? I tried atom Command 'atom' is available in '/snap/bin/atom' The command could not be located because '/snap/bin' is not included in ...
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1answer
273 views

I can not install snap (snapd) in arch-linux

I have the cloned git repository and that's where I run the command. When I try to install snap I get the following error: $ makepkg -s ...
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247 views

Vectr doesn't launch on Ubuntu

I installed a software called Vectr through the snap store on Ubuntu 19.04 using the command. sudo snap install vectr The program installs as usual, and I get this message on the terminal, vectr 0....
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40 views

Evince not showing up as PDF viewer in Firefox (installed via snap)

I installed the newest Firefox version on my Debian 9.8 machine. Now I would like to use evince as my default PDF viewer but whenever I try to select it in the "use other" dialog of the corresponding ...
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1answer
125 views

Unable to delete directory, imutable flag is not set, not mounted

So i have this directory that causes a lot of problems when trying to delete lxd via snap. The directory in question is /var/snap/lxd/common/lxd/storage-pools/default/. If I try to delete it with sudo ...
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1k views

Buffer I/O error on loop device

Lately, I have been getting Buffer I/O errors during boot time. Seemingly, it appears randomly and I could not be able to reproduce it. However, it happens in every 5-8 boot on average. Here is the ...
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1answer
204 views

ffmpeg snap package error in Debian 9: libGL error: unable to load driver: r600_dri.so

I am using Debian 9 with an older Radeon GPU (5450). I am interested in using the snap package of ffmpeg (which is version 4.1) because of some issues I may be able to fix with the newer snap instead ...
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1answer
344 views

route traffic of all connected wireless clients to one particular IP and port

I've successfully set up access point on my server using wifi-ap snap wakatana@server:~$ sudo wifi-ap.config get debug: false dhcp.lease-time: 12h dhcp.range-start: 10.0.60.2 dhcp.range-stop: 10.0.60....
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1answer
4k views

What are the dangers of using snap's classic confinement?

While following a video tutorial on Linux bash scripting, the teacher uses atom for editor. When I did I tried to install atom : sudo snap install atom I got the message: error: This revision of ...
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1answer
483 views

Are packages on snapcraft inherently safe?

Are packages installed by snap from https://snapcraft.io inherently safe? I heard they are sandboxed. Does that mean they can't change my file system, read my files, etc.?
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1answer
51 views

how to disable filelight showing snap applications?

I'm using linux ubuntu 16-04, and filelight as my favourite tool to inspect disk usage. Recently I installing some snap packages. I see them showed as different units on filelight: Does anybody have ...
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3answers
1k views

How can I filter read only file systems out of df output?

I use df to check if any of my mounted file systems are close to getting full. I have a cron job that sends me email if any of them are getting to be above 90% full. The problem is that some ...
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3answers
1k views

Does Ubuntu Ship With Auto-updating Snaps?

I don't use snaps, but I'm aware that recent releases of Ubuntu ship with snap pre-installed. My understanding is that snaps are automatically updated, and that updating cannot be disabled. Am I ...
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1answer
570 views

How can I fix snap run on non-Ubuntu Linux kernel 4.18?

I'm running snap applications on a non-Ubuntu system: $ snap version ...
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1answer
441 views

Problems installing snap and heroku on raspbian

I am having some problems installing heroku on raspbian stretch lite. Snap seems to install ok using the command apt-get install snapd as recommend in the install instructions on their website for ...
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2answers
2k views

What is the NSFS filesystem?

The kernel contains a filesystem, nsfs. snapd creates a nsfs mount under /run/snapd/ns/<snapname>.mnt for each installed snap. ls shows it as a 0 byte file. The kernel source code does not seem ...
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1answer
158 views

Is there some tool like apt-fast for snapcraft?

On Ubuntu, I've been using apt-fast (https://github.com/ilikenwf/apt-fast) which is basically apt/apt-get/aptitude behind aria2. Is there something like that for snap packages as well? (It seems like ...
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2answers
3k views

How to fix Fontconfig error: failed reading config file

On Debian testing, whenever I run a browser from the terminal, I get four lines of the following error: Fontconfig error: failed reading config file This doesn't seem to cause any problems in any ...