Fwiw, I needed an optical disk to boot an 8 year old server a couple days ago. I burned the disk (a DVD-R) like so:
sudo wodim -eject -tao dev=/dev/sr0 -v -data my.iso On Sat, Feb 5, 2022 at 4:17 PM Bill Barry <[email protected]> wrote: > > On Sat, Feb 5, 2022 at 6:11 PM Rich Shepard <[email protected]> wrote: > > > > On Sat, 5 Feb 2022, Bill Barry wrote: > > > > > fstab is not the source of information for whether something is mounted or > > > not. fstab is read by mount at boot time to know which drives to mount and > > > how and where to mount them. It might also be read when you try to mount > > > something later, but as you have noted, you can edit fstab all you want > > > and if you don't then mount/remount the drives their mount status will not > > > be changed by your edits. > > > > BIll, > > > > The issue I have with writing an .iso to a DVD-R disk is the tools see the > > optical drive as read only; not writable. The optical drive is not mounted. > > > > Regards, > > > > Rich > > As Russell pointed out you do not even have the cdrom mounted to use > the cdwrite tools. They will need permissions to access the devices, > but those permissions do not come through mount. I have not done this > in a while, but there is some group that you add your user to to give > them permissions to do cd writing. > > Bill
