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无法在 ubuntu 18.04 中删除只读文件系统

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无法在 ubuntu 18.04 中删除只读文件系统 
root@cd:~# sudo find / -iname 'mysql*' -exec rm -rf {} \;
find: ‘/run/user/1000/gvfs’: Permission denied
rm: cannot remove '/snap/core/8039/etc/apparmor.d/abstractions/mysql': Read-only file system
rm: cannot remove '/snap/core/8039/usr/share/bash-completion/completions/mysql': Read-only file system
rm: cannot remove '/snap/core/8039/usr/share/bash-completion/completions/mysqladmin': Read-only file system
rm: cannot remove '/snap/core/7917/etc/apparmor.d/abstractions/mysql': Read-only file system
rm: cannot remove '/snap/core/7917/usr/share/bash-completion/completions/mysql': Read-only file system
rm: cannot remove '/snap/core/7917/usr/share/bash-completion/completions/mysqladmin': Read-only file system
rm: cannot remove '/snap/core18/1265/etc/apparmor.d/abstractions/mysql': Read-only file system
rm: cannot remove '/snap/core18/1223/etc/apparmor.d/abstractions/mysql': Read-only file system

答案1

这是基于其位置的 snap。Snap 是沙盒化的，正确的移除方法是执行sudo snap remove mysql

答案2

快照全部以只读方式安装。

检查这个命令：

mtodorov@efk:~$ mount | grep snaps
/var/lib/snapd/snaps/hello_20.snap on /snap/hello/20 type squashfs (ro,nodev,relatime,x-gdu.hide)
/var/lib/snapd/snaps/canonical-livepatch_88.snap on /snap/canonical-livepatch/88 type squashfs (ro,nodev,relatime,x-gdu.hide)
/var/lib/snapd/snaps/hello_38.snap on /snap/hello/38 type squashfs (ro,nodev,relatime,x-gdu.hide)
/var/lib/snapd/snaps/core_8039.snap on /snap/core/8039 type squashfs (ro,nodev,relatime,x-gdu.hide)
/var/lib/snapd/snaps/canonical-livepatch_90.snap on /snap/canonical-livepatch/90 type squashfs (ro,nodev,relatime,x-gdu.hide)
/var/lib/snapd/snaps/core_7917.snap on /snap/core/7917 type squashfs (ro,nodev,relatime,x-gdu.hide)
mtodorov@efk:~$

如你所见，所有快照都有第一个选项ro之中(ro,nodev,relatime,x-gdu.hide)安装选项，这是“只读”的简写。

希望这可以帮助。

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