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I've used the snap package manager to install packages and I'm always getting the same error, even with the simple hello world example:

$ sudo snap install hello
$ hello
cannot create user data directory: /home/aaa/snap/hello/20: Bad file descriptor

Running with sudo solves the problem for the hello program, but why do I even need to do sudo?

BTW, for the other packages (Meshlab, CloudCompare) it doesn't work also with sudo and gives different errors. For example:

~$ sudo cloudcompare.ccViewer 
mkdir: cannot create directory '/run/user/0': Permission denied
No protocol specified
QXcbConnection: Could not connect to display :0

The snap version and Ubuntu distro are:

$ snap version
snap    2.22.7
snapd   2.22.7
series  16
ubuntu  14.04
kernel  4.4.0-64-generic
Elad Joseph
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  • Probably bad permissions to `/home/aaa/snap/` or rest of them... if you run it firstly with root, then root created those files... and normal user cant write there. – Flash Thunder Mar 05 '17 at 11:43
  • @FlashThunder But I cannot install without `sudo`, similar to `sudo apt-get ...`. I also checked and I have full premissions for `/home/aaa/snap/`. – Elad Joseph Mar 05 '17 at 11:48
  • @Flash if this were permission-related I would expect to see that reflected in the error (e.g. permission denied). – kyrofa Mar 05 '17 at 15:57
  • Can you add some detail about what distro you're running this on? Also, the output of "snap version" would be helpful. – popey Mar 05 '17 at 16:10

1 Answers1

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Any chance your home directory is an nfs share with no-write-by-root enabled? If so, try logging in as another user that has a local home.

Also, see: https://bugs.launchpad.net/snappy/+bug/1625279

Tom Cumming
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    Please [edit] to add a summary of that bug's relevance to this question so others don't have to visit it to figure anything out. – Nathan Tuggy Apr 21 '17 at 02:34