ubuntu studio 18.04 LTS快照成功创建子目录,但随后报告失败

我已经通过Ubuntu Studio 18.04 LTS中的内置软件应用程序(3.28.1版,大概是gnome软件)从快照存储中安装了三个应用程序(fre:ac,Inkscape和Okular)。两者似乎都已成功安装,但都不会启动。当我尝试启动它们时,每个应用程序都会创建一个子目录: $ HOME /快照/ freac / 1234 $ HOME /快照/ inkscape / 7627 $ HOME /快照/ okular / 98 但随后抱怨“无法创建用户数据目录:...:权限被拒绝” 以下是“快照版本”的输出:

snap    2.44.3
snapd   2.44.3
series  16
ubuntu  18.04
kernel  4.15.0-99-lowlatency

“快照列表”:

Name                             Version                     Rev   Tracking       Publisher   Notes
core18                           20200427                    1754  latest/stable  canonical✓  base
freac                            1.1.1                       1234  latest/stable  enzo1982    -
gnome-3-28-1804                  3.28.0-16-g27c9498.27c9498  116   latest/stable  canonical✓  -
gtk-common-themes                0.1-36-gc75f853             1506  latest/stable  canonical✓  -
inkscape                         1.0-6e3e5246a0-2020-05-07   7627  latest/stable  inkscape✓   -
kde-frameworks-5-qt-5-14-core18  5.68.0                      4     latest/stable  kde✓        -
okular                           20.04.0                     98    latest/stable  kde✓        -
snapd                            2.44.3                      7264  latest/stable  canonical✓  snapd

和“ systemctl status snapd.service”

● snapd.service - Snappy daemon
   Loaded: loaded (/lib/systemd/system/snapd.service; enabled; vendor preset: enabled)
   Active: active (running) since Mon 2020-05-11 10:59:46 CEST; 1h 2min ago
 Main PID: 1040 (snapd)
    Tasks: 20 (limit: 4915)
   CGroup: /system.slice/snapd.service
           └─1040 /usr/lib/snapd/snapd

Mai 11 10:59:45 DX5150 systemd[1]: Starting Snappy daemon...
Mai 11 10:59:46 DX5150 snapd[1040]: AppArmor status: apparmor is enabled and all features are available
Mai 11 10:59:46 DX5150 snapd[1040]: AppArmor status: apparmor is enabled and all features are available
Mai 11 10:59:46 DX5150 snapd[1040]: daemon.go:343: started snapd/2.44.3 (series 16; classic) ubuntu/18.04 (amd64) linux/4.15.0-99-lo
Mai 11 10:59:46 DX5150 snapd[1040]: daemon.go:436: adjusting startup timeout by 1m0s (pessimistic estimate of 30s plus 5s per snap)
Mai 11 10:59:46 DX5150 systemd[1]: Started Snappy daemon.
Mai 11 11:13:17 DX5150 snapd[1040]: api.go:985: Installing snap "okular" revision unset
Mai 11 11:24:33 DX5150 snapd[1040]: api.go:985: Installing snap "inkscape" revision unset

我已经阅读了线程“快照已停止在Ubuntu 18.04 LTS上打开”,但是启动了一个新线程,因为据我所知,我的系统上从未有任何可用的快照。

如何使这些应用程序运行,或者至少弄清楚是什么原因阻止了它们?

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