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| -rw-r--r-- | README.md | 5 |
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@@ -168,6 +168,11 @@ enabled in the on-disk filesystem superblock: must have either `CONFIG_FS_ENCRYPTION=y` (for kernels v5.1+) or `CONFIG_UBIFS_FS_ENCRYPTION=y` (for older kernels). +To check whether the needed option is enabled in your kernel, run: +```shell +zgrep -h ENCRYPTION /proc/config.gz /boot/config-$(uname -r) | sort | uniq +``` + Be careful when using encryption on removable media, since filesystems with the `encrypt` feature cannot be mounted on systems with kernel versions older than the minimums listed above -- even to access unencrypted files! |