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fs_env_vars.rst

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Filesystem Environmental Variables

This is the current filesystem mount options passed when a mount button is executed in the webUI:

OMV_FSTAB_MNTOPS_EXT2="defaults,nofail,user_xattr,noexec"
OMV_FSTAB_MNTOPS_EXT3="defaults,nofail,user_xattr,noexec,usrjquota=aquota.user,grpjquota=aquota.group,jqfmt=vfsv0"
OMV_FSTAB_MNTOPS_EXT4="defaults,nofail,user_xattr,noexec,usrjquota=aquota.user,grpjquota=aquota.group,jqfmt=vfsv0"
OMV_FSTAB_MNTOPS_JFS="defaults,nofail,noexec,usrquota,grpquota"
OMV_FSTAB_MNTOPS_XFS="defaults,nofail,noexec,usrquota,grpquota"
OMV_FSTAB_MNTOPS_VFAT="defaults,nofail"
OMV_FSTAB_MNTOPS_NTFS="defaults,nofail"
OMV_FSTAB_MNTOPS_HFSPLUS="defaults,nofail,force"
OMV_FSTAB_MNTOPS_BTRFS="defaults,nofail"
OMV_FSTAB_MNTOPS_ISO9660="ro"
OMV_FSTAB_MNTOPS_UDF="ro"

More information can be found here.

This variables can be changed using the same method described :doc:`here </various/advset>`. Once you do that, all new mounted filesystem will inherit the new options. Problem is by the time you are reading this you already have a mounted filesystems with shares already created. The normal procedure would be delete every shared folder configuration in OMV , unmount and mount the filesystem again. To overcome this you can manually edit the internal database file:

nano /etc/openmediavault/config.xml

In this example we remove the noexec flag. First locate the <fstab> section, in there you will find several <mntent> entries that belongs to all registered filesystems. You should be able to recognise it by the label. Once there you can remove the noexec flag, in the <opts> line.

<mntent>
  <uuid>f767ee54-eb3a-44c5-b159-1840a289c84b</uuid>
  <fsname>/dev/disk/by-label/VOLUME1</fsname>
  <dir>/srv/dev-disk-by-label-VOLUME1</dir>
  <type>ext4</type>
  <opts>defaults,nofail,user_xattr,noexec,usrjquota=aquota.user,grpjquota=aquota.group,jqfmt=vfsv0,acl</opts>
  <freq>0</freq>
  <passno>2</passno>
  <hidden>0</hidden>
</mntent>

Change the opts line removing the noexec, should look like this:

<opts>defaults,nofail,user_xattr,usrjquota=aquota.user,grpjquota=aquota.group,jqfmt=vfsv0,acl</opts>

Save the file with CTRL+X, run: omv-mkconf fstab

You should be able to see the new options at /etc/fstab, finally reboot the system and check with cat /proc/mounts that the noexec flag is no longer present for that particular mount.