Hi,
from your log:
[...]
Searching for GRUB installation directory ... found: /boot/grub
Testing for an existing GRUB menu.lst file ...
Could not find /boot/grub/menu.lst file. Would you like /boot/grub/menu.lst
generated for you? (y/N) /usr/sbin/update-grub-legacy-ec2: line 1101: read:
read error: 0: Bad file descriptor
run-parts: /etc/kernel/postrm.d/x-grub-legacy-ec2 exited with return code 1
The code there is:
else
echo -n "Would you like $menu_file generated for you? " >&2
echo -n "(y/N) " >&2
read answer <&2
fi
That would usually work fine, example:
$ cat test.sh
#!/bin/bash
answer="foo"
read answer <&2
echo ${answer}
$ ./test.sh
asd
asd
But when run withou disconnected stdin/out it will fail like that.
$ nohup ./test.sh
nohup: ignoring input and appending output to 'nohup.out'
$ cat nohup.out
./test.sh: line 3: read: read error: 0: Bad file descriptor
foo
I must admit I never have seen ain input &2 so far.
So I wonder what it does in that case
read answer <&2
@smoser - do you know?
In any case it should probably be more resilent against stdin missing.
As it already has a default value and my test showed that with the error it is
kept we might just add "|| true" to make a fail to read non-fatal for the
overall execution.
@smoser - opinion on this suggestion?
I subscribed smoser for his experience on this.
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https://bugs.launchpad.net/bugs/1786244
Title:
package linux-image-4.15.0-24-generic (not installed) failed to
install/upgrade: run-parts: /etc/kernel/postrm.d/x-grub-legacy-ec2
exited with return code 1
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