不同用户下执行 podman ps，只能查看当前用户的运行容器（即使是root用户，也不能查看其他普通用户启用的容器信息）
command
image
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| # load tar file to image
podman load -i <image-tar-file>
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solution
change default data dir
rootful mode
Default graphroot: /var/lib/containers/storage.
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| # check
podman info | grep 'GraphRoot'
# Edit Podman’s Storage Configuration
sudo mkdir -p /etc/containers
sudo vim /etc/containers/storage.conf
# edit storage.conf
[storage]
driver = "overlay"
graphroot = "/mnt/podman-data"
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rootless mode
Default graphroot: ~/.local/share/containers/storage.
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| # check
podman info | grep 'GraphRoot'
# Edit Podman’s Storage Configuration
sudo mkdir -p ~/.config/containers
sudo vim ~/.config/containers/storage.conf
# edit storge.conf
[storage]
driver = "overlay"
graphroot = "/mnt/podman-data"
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potentially insufficient UIDs or GIDs available in user namespace
If the requested UID/GID still falls outside or Podman needs more mappings, you can edit /etc/subuid and /etc/subgid (as root) to increase the range
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| # Increase UID/GID Range (Optional):
sudo vim /etc/subuid # dingofs:60000:131072
sudo vim /etc/subgid # dingofs:60000:131072
podman system migrate
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