parallels@ubuntu-linux-22-04-desktop:~/Desktop$ ls -al /var/lib
total 320
drwxr-xr-x 80 root root 4096 Nov 18 2024 .
drwxr-xr-x 14 root root 4096 Jul 8 2022 ..
drwxrwxr-x 4 root root 4096 Jul 8 2022 AccountsService
drwxrwxrwt 2 root root 4096 Mar 19 2022 BrlAPI
drwx------ 2 root root 4096 Nov 24 22:06 NetworkManager
drwxr-xr-x 2 root root 4096 Jul 8 2022 PackageKit
drwxr-xr-x 2 root root 4096 Nov 24 22:06 alsa
lrwxrwxrwx 1 root root 18 Jul 8 2022 app-info -> /var/lib/swcatalog
drwxr-xr-x 3 root root 4096 Nov 28 2023 apport
drwxr-xr-x 5 root root 4096 Nov 21 17:18 apt
drwxr-xr-x 2 root root 4096 Jul 8 2022 aspell
drwxr-x--- 2 avahi-autoipd avahi-autoipd 4096 Jul 8 2022 avahi-autoipd
drwxr-xr-x 2 root root 4096 Aug 24 22:21 binfmts
drwxr-xr-x 2 root root 4096 Mar 24 2022 bluetooth
drwxr-xr-x 2 root root 4096 Feb 7 2022 boltd
drwxr-xr-x 8 root root 4096 Jul 8 2022 cloud
drwx------ 2 root root 4096 Nov 24 22:11 cni
drwxr-xr-x 4 colord colord 4096 Jul 18 2022 colord
drwxr-xr-x 2 root root 4096 Nov 21 17:17 command-not-found
drwx--x--x 11 root root 4096 Mar 28 2025 containerd
drwxr-xr-x 2 root root 4096 Jul 8 2022 dbus
drwxr-xr-x 2 root root 4096 Mar 24 2022 dhcp
drwxr-xr-x 5 root root 4096 Jul 8 2022 dictionaries-common
drwxr-xr-x 3 root root 4096 Sep 15 2023 dkms
drwx--x--- 12 root root 4096 Nov 24 22:06 docker
drwxr-xr-x 3 root root 4096 Nov 24 22:21 dockershim
drwxr-xr-x 7 root root 4096 Nov 21 17:18 dpkg
drwxr-xr-x 3 root root 4096 Jul 8 2022 emacsen-common
drwx------ 3 root root 4096 Nov 24 22:21 etcd
drwx------ 3 root root 4096 Nov 18 2024 etcd.bk
drwx------ 2 root root 4096 Feb 25 2022 fprint
drwx--x--x 5 gdm gdm 4096 Nov 24 22:06 gdm3
drwxr-xr-x 3 root root 4096 May 21 2024 gems
drwxr-xr-x 2 geoclue geoclue 4096 Mar 23 2022 geoclue
drwxr-xr-x 4 root root 4096 Jul 8 2022 ghostscript
drwxr-xr-x 2 root root 4096 Jul 7 2023 git
drwxr-xr-x 4 root root 4096 Jul 8 2022 grub
drwxr-xr-x 2 root root 4096 Jan 22 2022 hp
drwxr-xr-x 2 root root 4096 Jul 8 2022 ispell
drwx------ 8 root root 4096 Nov 24 22:21 kubelet
drwxr-xr-x 3 root root 4096 Jul 8 2022 libreoffice
drwxr-xr-x 3 root root 4096 Jul 8 2022 locales
drwxr-xr-x 2 root root 4096 Nov 24 01:12 logrotate
drwxr-xr-x 2 root root 4096 Jul 8 2022 man-db
drwxr-xr-x 2 root root 4096 Apr 18 2022 misc
drwxr-xr-x 3 root root 4096 Jul 8 2022 openvpn
drwxr-xr-x 2 root root 4096 Mar 25 2022 os-prober
drwxr-xr-x 2 root root 4096 Jun 27 06:35 pam
drwxr-xr-x 3 root root 4096 Nov 24 22:06 parallels-tools
drwxr-xr-x 2 root root 4096 Mar 18 2022 plymouth
drwx------ 3 root root 4096 Apr 21 2022 polkit-1
drwxr-xr-x 2 root root 4096 Jul 8 2022 power-profiles-daemon
drwx------ 2 root root 4096 Apr 21 2022 private
drwxr-xr-x 2 root root 4096 Apr 21 2022 python
drwxr-x--- 2 saned saned 4096 Jul 8 2022 saned
drwxr-xr-x 2 root root 4096 Jul 8 2022 sgml-base
-rw-r--r-- 1 root root 0 Apr 21 2022 shells.state
drwxr-xr-x 3 root root 4096 Sep 15 2023 shim-signed
drwxr-xr-x 23 root root 4096 Nov 24 22:16 snapd
drwxr-xr-x 2 root root 4096 Apr 22 2022 snmp
drwxr-xr-x 10 root root 4096 Jul 8 2022 sss
drwxr-xr-x 3 root root 4096 Apr 21 2022 sudo
drwxr-xr-x 4 root root 4096 Nov 24 07:09 swcatalog
drwxr-xr-x 11 root root 4096 Jul 8 2022 systemd
drwxr-xr-x 2 tss tss 4096 Jan 26 2022 tpm
drwxr-xr-x 4 root root 4096 Nov 24 15:02 ubuntu-advantage
drwxr-xr-x 2 root root 4096 Mar 16 2022 ubuntu-drivers-common
drwxr-xr-x 3 root root 4096 Nov 9 2023 ubuntu-fan
drwxr-xr-x 2 root root 4096 Jul 18 2022 ubuntu-release-upgrader
drwxr-xr-x 3 root root 4096 Feb 3 2024 ucf
drwx------ 2 root root 4096 Jul 8 2022 udisks2
drwxr-xr-x 2 root root 4096 Jul 18 13:51 unattended-upgrades
drwxr-xr-x 2 root root 4096 Jul 18 2022 update-manager
drwxr-xr-x 4 root root 4096 Nov 24 07:10 update-notifier
drwxr-xr-x 2 root root 4096 Mar 10 2022 upower
drwxr-xr-x 2 root root 4096 Mar 25 2022 usb_modeswitch
drwxr-xr-x 2 root root 4096 Jul 8 2022 usbutils
drwxr-xr-x 3 root root 4096 Jul 8 2022 vim
drwxr-xr-x 2 root root 4096 Nov 24 14:58 whoopsie
drwxr-xr-x 2 root root 4096 Jul 8 2022 xfonts
drwxr-xr-x 2 root root 4096 Oct 30 16:25 xkb
drwxr-xr-x 2 root root 4096 Jul 8 2022 xml-core
parallels@ubuntu-linux-22-04-desktop:~/Desktop$ ls -al /var/lib/kubelet/
ls: cannot open directory '/var/lib/kubelet/': Permission denied
结论，不可以读，默认为root权限