fstab mounting time

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I'm working on a script that is supposed to execute on startup, but the problem is that the script requires some files that are on a shared drive that is automatically mounted via fstab and at the time of it's execution the drive isn't mounted yet.

I've tried using cron @reboot and init.d route but they both execute too early. I also considered adding mount -a to the script, but I would rather avoid having to sudo it. For now I just added a delay to make it work, but that feels a bit hacky.

Is there a way to ensure that a startup script runs after fstab has been processed? Or force the mounts to be processed without using sudo?

asked Jul 19 at 15:29

Maxim

21715

You are using Ubuntu, an operating system that has been a systemd operating system since 2016 and was an Upstart operating system for a decade before that, since 2006. van Smoorenburg rc scripts have not been a "route" for a long time on your operating system. The systemd version of this question has already been asked and answered here at unix.stackexchange.com/questions/246935 .
â€“Â JdeBP
Jul 19 at 15:38

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up vote
1
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Is there a way to ensure that a startup script runs after fstab has been processed? Or force the mounts to be processed without using sudo?

asked Jul 19 at 15:29

Maxim

21715

You are using Ubuntu, an operating system that has been a systemd operating system since 2016 and was an Upstart operating system for a decade before that, since 2006. van Smoorenburg rc scripts have not been a "route" for a long time on your operating system. The systemd version of this question has already been asked and answered here at unix.stackexchange.com/questions/246935 .
â€“Â JdeBP
Jul 19 at 15:38

add a commentÂ |Â

up vote
1
down vote

favorite

Is there a way to ensure that a startup script runs after fstab has been processed? Or force the mounts to be processed without using sudo?

asked Jul 19 at 15:29

Maxim

21715

Is there a way to ensure that a startup script runs after fstab has been processed? Or force the mounts to be processed without using sudo?

asked Jul 19 at 15:29

Maxim

21715

asked Jul 19 at 15:29

Maxim

21715

asked Jul 19 at 15:29

Maxim

21715

asked Jul 19 at 15:29

Maxim

21715

You are using Ubuntu, an operating system that has been a systemd operating system since 2016 and was an Upstart operating system for a decade before that, since 2006. van Smoorenburg rc scripts have not been a "route" for a long time on your operating system. The systemd version of this question has already been asked and answered here at unix.stackexchange.com/questions/246935 .
â€“Â JdeBP
Jul 19 at 15:38

add a commentÂ |Â

You are using Ubuntu, an operating system that has been a systemd operating system since 2016 and was an Upstart operating system for a decade before that, since 2006. van Smoorenburg rc scripts have not been a "route" for a long time on your operating system. The systemd version of this question has already been asked and answered here at unix.stackexchange.com/questions/246935 .
â€“Â JdeBP
Jul 19 at 15:38

You are using Ubuntu, an operating system that has been a systemd operating system since 2016 and was an Upstart operating system for a decade before that, since 2006. van Smoorenburg rc scripts have not been a "route" for a long time on your operating system. The systemd version of this question has already been asked and answered here at unix.stackexchange.com/questions/246935 .
â€“Â JdeBP
Jul 19 at 15:38

add a commentÂ |Â

2 Answers
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For that you have to run your script as a systemd unit (assuming you have systemd) where you could define dependency...

If you want to stick with cron @reboot (what sounds the simple choice) you have to make your script a bit smarter (or start cron after fs mounts... what change I wouldn't suggest). Instead of a simple delay, you can check if the required filesystem is mounted (in bash):

while ! mount | awk 'print $3' | grep -qx /the/mountpoint; do
 sleep 1
done

Or you can check if the file is there what you need:

while ! [ -f /that/file ] ; do
 sleep 1
done

answered Jul 19 at 15:43

redseven

1876

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I'm going to assume you're on a relatively new Linux distro, so you may need to check systemd manual since SysV is no longer being used in the default distro installations and that is most probably your problem. systemd allows for startup dependencies where you specify what scripts run before others.

Check the next link

answered Jul 19 at 15:39

YoMismo

2,8831619

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2 Answers
2

active

oldest

votes

2 Answers
2

active

oldest

votes

up vote
2
down vote

accepted

For that you have to run your script as a systemd unit (assuming you have systemd) where you could define dependency...

while ! mount | awk 'print $3' | grep -qx /the/mountpoint; do
 sleep 1
done

Or you can check if the file is there what you need:

while ! [ -f /that/file ] ; do
 sleep 1
done

answered Jul 19 at 15:43

redseven

1876

add a commentÂ |Â

up vote
2
down vote

accepted

For that you have to run your script as a systemd unit (assuming you have systemd) where you could define dependency...

while ! mount | awk 'print $3' | grep -qx /the/mountpoint; do
 sleep 1
done

Or you can check if the file is there what you need:

while ! [ -f /that/file ] ; do
 sleep 1
done

answered Jul 19 at 15:43

redseven

1876

add a commentÂ |Â

up vote
2
down vote

accepted

For that you have to run your script as a systemd unit (assuming you have systemd) where you could define dependency...

while ! mount | awk 'print $3' | grep -qx /the/mountpoint; do
 sleep 1
done

Or you can check if the file is there what you need:

while ! [ -f /that/file ] ; do
 sleep 1
done

answered Jul 19 at 15:43

redseven

1876

For that you have to run your script as a systemd unit (assuming you have systemd) where you could define dependency...

while ! mount | awk 'print $3' | grep -qx /the/mountpoint; do
 sleep 1
done

Or you can check if the file is there what you need:

while ! [ -f /that/file ] ; do
 sleep 1
done

answered Jul 19 at 15:43

redseven

1876

answered Jul 19 at 15:43

redseven

1876

answered Jul 19 at 15:43

redseven

1876

answered Jul 19 at 15:43

redseven

1876

add a commentÂ |Â

up vote
0
down vote

Check the next link

answered Jul 19 at 15:39

YoMismo

2,8831619

add a commentÂ |Â

up vote
0
down vote

Check the next link

answered Jul 19 at 15:39

YoMismo

2,8831619

add a commentÂ |Â

up vote
0
down vote

Check the next link

answered Jul 19 at 15:39

YoMismo

2,8831619

Check the next link

answered Jul 19 at 15:39

YoMismo

2,8831619

answered Jul 19 at 15:39

YoMismo

2,8831619

answered Jul 19 at 15:39

YoMismo

2,8831619

answered Jul 19 at 15:39

YoMismo

2,8831619

add a commentÂ |Â

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