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[メモ]Podmanが "newgidmap: Could not set caps" エラーになった

2022/03/22に公開
podman
tech

現象

  • sudo podman version すると動く
Client:       Podman Engine
Version:      4.0.1
API Version:  4.0.1
Go Version:   go1.17.8
Git Commit:   c8b9a2e3ec3630e9172499e15205c11b823c8107
Built:        Sun Mar 13 20:44:23 2022
OS/Arch:      linux/amd64
  • podman version だと
ERRO[0000] error running `/sbin/newgidmap 538795 0 1000 1 1 200000 4096`: newgidmap: Could not set caps 
Error: cannot setup namespace using "/sbin/newgidmap": exit status 1
  • /etc/subuid /etc/subgid 設定済み
username::165536:4096

解決方法

$ sudo chmod 4755 /sbin/newgidmap
$ sudo chmod 4755 /sbin/newuidmap

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