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Show mounted filesystems with mount options

harmlessFilesystemalle
user@server
findmnt -lo TARGET,SOURCE,FSTYPE,OPTIONS -t ext4,xfs,btrfs,vfat,nfs,nfs4,cifs

Shows all mounted filesystems of the listed types along with their active options. Useful when writes suddenly fail: after filesystem errors, the kernel often remounts a partition read only (ro). Network shares for backups show up here as well.

Note: If a type is missing from the list, for example zfs, just add it to -t.

Also searched as

  • check if filesystem is read only
  • show mount options linux
  • list mounted drives
  • check noexec on tmp

Related one-liners

All in Filesystem

Find which filesystem a directory is on

$findmnt -T /var/www/vhosts
harmlessFilesystem

List disks and partitions

$lsblk -o NAME,SIZE,TYPE,FSTYPE,MOUNTPOINT,UUID
harmlessFilesystem

Analyze disk usage interactively with ncdu

$ncdu -x /var
harmlessFilesystem

Calculate the total size of all files of one type

$find /var/www/vhosts/example.com/httpdocs/wp-content/uploads -type f -iname '*.mp4' -printf '%s\n' | awk '{s+=$1; n++} END {printf "%d Dateien, %.1f MB\n", n, s/1048576}'
harmlessFilesystem

Check inode usage of filesystems

$df -ih -x tmpfs -x devtmpfs -x squashfs
harmlessFilesystem

Compare two directories for differences

$diff -rq /var/www/vhosts/example.com/httpdocs /var/www/vhosts/example.com/staging
harmlessFilesystem

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