gistfile1.txt

pi@raspberrypi:~ $ sudo snap install hello-world
2021-06-28T10:24:59+01:00 INFO Waiting for restart...
hello-world 6.4 from Canonical✓ installed
Channel latest/stable for hello-world is closed; temporarily forwarding to stable.
pi@raspberrypi:~ $ SNAPD_DEBUG=1 snap run hello-world 
2021/06/28 10:26:03.933666 cmd_linux.go:212: DEBUG: restarting into "/snap/core/current/usr/bin/snap"
2021/06/28 10:26:05.630251 cmd_run.go:410: DEBUG: SELinux not enabled
2021/06/28 10:26:05.631293 tracking.go:44: DEBUG: creating transient scope snap.hello-world.hello-world
2021/06/28 10:26:05.723237 tracking.go:173: DEBUG: using session bus
2021/06/28 10:26:05.748912 tracking.go:305: DEBUG: created transient scope as object: /org/freedesktop/systemd1/job/106
2021/06/28 10:26:05.749612 tracking.go:135: DEBUG: systemd could not associate process 1260 with transient scope snap.hello-world.hello-world.0a02f24b-12a9-41b9-85f9-6b9381e3cd1a.scope
2021/06/28 10:26:05.749785 cmd_run.go:1170: DEBUG: snapd cannot track the started application
2021/06/28 10:26:05.749897 cmd_run.go:1171: DEBUG: snap refreshes will not be postponed by this process
DEBUG: umask reset, old umask was  022
DEBUG: security tag: snap.hello-world.hello-world
DEBUG: executable:   /usr/lib/snapd/snap-exec
DEBUG: confinement:  non-classic
DEBUG: base snap:    core
DEBUG: ruid: 1000, euid: 0, suid: 0
DEBUG: rgid: 1000, egid: 1000, sgid: 1000
DEBUG: apparmor is available on the system but has been disabled at boot
DEBUG: creating lock directory /run/snapd/lock (if missing)
DEBUG: set_effective_identity uid:0 (change: no), gid:0 (change: yes)
DEBUG: opening lock directory /run/snapd/lock
DEBUG: set_effective_identity uid:0 (change: no), gid:1000 (change: yes)
DEBUG: opening lock file: /run/snapd/lock/.lock
DEBUG: set_effective_identity uid:0 (change: no), gid:0 (change: yes)
DEBUG: set_effective_identity uid:0 (change: no), gid:1000 (change: yes)
DEBUG: sanity timeout initialized and set for 30 seconds
DEBUG: acquiring exclusive lock (scope (global), uid 0)
DEBUG: sanity timeout reset and disabled
DEBUG: ensuring that snap mount directory is shared
DEBUG: unsharing snap namespace directory
DEBUG: set_effective_identity uid:0 (change: no), gid:0 (change: yes)
DEBUG: set_effective_identity uid:0 (change: no), gid:1000 (change: yes)
DEBUG: releasing lock 5
DEBUG: opened snap-update-ns executable as file descriptor 5
DEBUG: opened snap-discard-ns executable as file descriptor 6
DEBUG: creating lock directory /run/snapd/lock (if missing)
DEBUG: set_effective_identity uid:0 (change: no), gid:0 (change: yes)
DEBUG: opening lock directory /run/snapd/lock
DEBUG: set_effective_identity uid:0 (change: no), gid:1000 (change: yes)
DEBUG: opening lock file: /run/snapd/lock/hello-world.lock
DEBUG: set_effective_identity uid:0 (change: no), gid:0 (change: yes)
DEBUG: set_effective_identity uid:0 (change: no), gid:1000 (change: yes)
DEBUG: sanity timeout initialized and set for 30 seconds
DEBUG: acquiring exclusive lock (scope hello-world, uid 0)
DEBUG: sanity timeout reset and disabled
DEBUG: initializing mount namespace: hello-world
DEBUG: setting up device cgroup
DEBUG: no devices tagged with snap_hello-world_hello-world, skipping device cgroup setup
DEBUG: forked support process 1279
DEBUG: unsharing the mount namespace (per-snap)
DEBUG: scratch directory for constructing namespace: /tmp/snap.rootfs_dtpHl6
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: helper process waiting for command
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: sanity timeout initialized and set for 30 seconds
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: set_effective_identity uid:0 (change: no), gid:0 (change: yes)
DEBUG: set_effective_identity uid:0 (change: no), gid:1000 (change: yes)
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: set_effective_identity uid:0 (change: no), gid:0 (change: yes)
DEBUG: set_effective_identity uid:0 (change: no), gid:1000 (change: yes)
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: set_effective_identity uid:0 (change: no), gid:0 (change: yes)
DEBUG: set_effective_identity uid:0 (change: no), gid:1000 (change: yes)
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: pivot_root /tmp/snap.rootfs_dtpHl6 /tmp/snap.rootfs_dtpHl6//var/lib/snapd/hostfs
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: rmdir /var/lib/snapd/hostfs//tmp/snap.rootfs_dtpHl6
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: set_effective_identity uid:0 (change: no), gid:0 (change: yes)
DEBUG: set_effective_identity uid:0 (change: no), gid:1000 (change: yes)
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: performing operation: (disabled) use debug build to see details
DEBUG: set_effective_identity uid:0 (change: no), gid:0 (change: yes)
DEBUG: calling snapd tool snap-update-ns
DEBUG: waiting for snapd tool snap-update-ns to terminate
common.go:60: DEBUG: locking mount namespace of snap "hello-world"
common.go:81: DEBUG: freezing processes of snap "hello-world"
common.go:89: DEBUG: unlocking mount namespace of snap "hello-world"
common.go:91: DEBUG: thawing processes of snap "hello-world"
DEBUG: snap-update-ns finished successfully
DEBUG: set_effective_identity uid:0 (change: no), gid:1000 (change: yes)
DEBUG: saved mount namespace meta-data to /run/snapd/ns/snap.hello-world.info
DEBUG: sending command 1 to helper process (pid: 1279)
DEBUG: waiting for response from helper
DEBUG: sanity timeout reset and disabled
DEBUG: helper process received command 1
DEBUG: capturing per-snap mount namespace
DEBUG: mount namespace of process 1260 preserved as hello-world.mnt
DEBUG: helper process waiting for command
DEBUG: DEBUG: joining preserved per-user mount namespace
sanity timeout initialized and set for 30 secondsDEBUG: 
unsharing the mount namespace (per-user)
DEBUG: sc_setup_user_mounts: hello-world
DEBUG: NOT preserving per-user mount namespace
DEBUG: set_effective_identity uid:0 (change: no), gid:0 (change: yes)
DEBUG: set_effective_identity uid:0 (change: no), gid:1000 (change: yes)
DEBUG: moved process 1260 to cgroup hierarchy /sys/fs/cgroup/freezer/snap.hello-world
DEBUG: releasing lock 7
DEBUG: sending command 0 to helper process (pid: 1279)
DEBUG: waiting for response from helper
DEBUG: sanity timeout reset and disabled
DEBUG: helper process received command 0
DEBUG: helper process exiting
DEBUG: waiting for the helper process to exit
DEBUG: helper process exited normally
DEBUG: resetting PATH to values in sync with core snap
DEBUG: set_effective_identity uid:1000 (change: yes), gid:1000 (change: yes)
DEBUG: creating user data directory: /home/pi/snap/hello-world/29
DEBUG: ruid: 1000, euid: 1000, suid: 0
DEBUG: setting capabilities bounding set
DEBUG: regaining SYS_ADMIN
DEBUG: loading bpf program for security tag snap.hello-world.hello-world
DEBUG: read 3224 bytes from /var/lib/snapd/seccomp/bpf//snap.hello-world.hello-world.bin
DEBUG: read 152 bytes from /var/lib/snapd/seccomp/bpf/global.bin
DEBUG: clearing SYS_ADMIN
DEBUG: execv(/usr/lib/snapd/snap-exec, /usr/lib/snapd/snap-exec...)
DEBUG:  argv[1] = hello-world
DEBUG: umask restored to  022
DEBUG: working directory restored to /home/pi
ERROR: ld.so: object '/usr/lib/arm-linux-gnueabihf/libarmmem-${PLATFORM}.so' from /etc/ld.so.preload cannot be preloaded (cannot open shared object file): ignored.
Hello World!
pi@raspberrypi:~ $ cat /etc/os-release
PRETTY_NAME="Raspbian GNU/Linux 10 (buster)"
NAME="Raspbian GNU/Linux"
VERSION_ID="10"
VERSION="10 (buster)"
VERSION_CODENAME=buster
ID=raspbian
ID_LIKE=debian
HOME_URL="http://www.raspbian.org/"
SUPPORT_URL="http://www.raspbian.org/RaspbianForums"
BUG_REPORT_URL="http://www.raspbian.org/RaspbianBugs"