thank you for the quick response.
the output of stat /opt/portainer
File: /opt/portainer
Size: 4096 Blocks: 8 IO Block: 4096 directory
Device: 252,0 Inode: 1441794 Links: 8
Access: (0777/drwxrwxrwx) Uid: ( 0/ root) Gid: ( 0/ root)
Access: 2025-07-25 15:45:01.915071027 +0000
Modify: 2025-07-16 15:35:40.307005035 +0000
Change: 2025-07-17 13:39:25.504723894 +0000
Birth: 2025-07-16 15:35:39.836957446 +0000
the response of sudo docker info is:
Client: Docker Engine - Community
Version: 28.3.2
Context: default
Debug Mode: false
Plugins:
buildx: Docker Buildx (Docker Inc.)
Version: v0.24.0
Path: /usr/libexec/docker/cli-plugins/docker-buildx
compose: Docker Compose (Docker Inc.)
Version: v2.38.2
Path: /usr/libexec/docker/cli-plugins/docker-compose
Server:
Containers: 3
Running: 0
Paused: 0
Stopped: 3
Images: 3
Server Version: 28.1.1+1
Storage Driver: overlay2
Backing Filesystem: extfs
Supports d_type: true
Using metacopy: false
Native Overlay Diff: true
userxattr: false
Logging Driver: json-file
Cgroup Driver: systemd
Cgroup Version: 2
Plugins:
Volume: local
Network: bridge host ipvlan macvlan null overlay
Log: awslogs fluentd gcplogs gelf journald json-file local splunk syslog
Swarm: inactive
Runtimes: io.containerd.runc.v2 runc
Default Runtime: runc
Init Binary: docker-init
containerd version: 05044ec0a9a75232cad458027ca83437aae3f4da
runc version:
init version: de40ad0
Security Options:
apparmor
seccomp
Profile: builtin
cgroupns
Kernel Version: 6.14.0-24-generic
Operating System: Ubuntu Core 22
OSType: linux
Architecture: x86_64
CPUs: 4
Total Memory: 7.142GiB
Name: dijkserver
ID: 6f05f25d-36a9-4c55-b44c-f0532685582d
Docker Root Dir: /var/snap/docker/common/var-lib-docker
Debug Mode: false
Experimental: false
Insecure Registries:
::1/128
127.0.0.0/8
Live Restore Enabled: false