should fstab always be edited outside of the jail?

[guermantes]

Hi,
fstab does not show anything when searching the online documentation, so I'll ask here:
I installed openjdk in a jail and the message when installing says to mount two things in the fstab. Only thing is that my jail (basejail 13.1) does not have an /etc/fstab.
Am I supposed to use the one outside the jail in the ../iocage/<jailname> folder, even though I am not mounting anything from the outside into the jail? Is the syntax the same or do I need to specify something to make the mount "internal"?
I suppose I should use iocage fstab -e ?

Code:

 Message from openjdk17-17.0.6+10.1:
 --
 This OpenJDK implementation requires fdescfs(5) mounted on /dev/fd and
 procfs(5) mounted on /proc.
 If you have not done it yet, please do the following:
 mount -t fdescfs fdesc /dev/fd mount -t procfs proc /proc
 To make it permanent, you need the following lines in /etc/fstab:
 fdesc   /dev/fd     fdescfs     rw  0   0
 proc    /proc       procfs      rw  0   0

 

[JohnDigital]

So you can edit it normally outside the jail. But its probably just easier to do this...

Code:

iocage stop JAILNAME

iocage set mount_fdescfs=1 JAILNAME

iocage set mount_procfs=1 JAILNAME

iocage start JAILNAME