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Content of script in /etc/init.d/ deleted on restart
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I created a script in /etc/init.d called hello that does some bash commands. Sometimes when I restart the linux device (remove then reinstate power), the contents of my script get totally erased although the actual file is still there. There is another script in there called nginx that came with the system and doesn't have this problem.
I am running a Emlid RTK gps that has a linux computer built in.
sysvinit
asked Jan 13 '18 at 2:21
bakalolobakalolo
1236 bronze badges
add a comment
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I created a script in /etc/init.d called hello that does some bash commands. Sometimes when I restart the linux device (remove then reinstate power), the contents of my script get totally erased although the actual file is still there. There is another script in there called nginx that came with the system and doesn't have this problem.
I am running a Emlid RTK gps that has a linux computer built in.
sysvinit
asked Jan 13 '18 at 2:21
bakalolobakalolo
1236 bronze badges
add a comment
|
I created a script in /etc/init.d called hello that does some bash commands. Sometimes when I restart the linux device (remove then reinstate power), the contents of my script get totally erased although the actual file is still there. There is another script in there called nginx that came with the system and doesn't have this problem.
I am running a Emlid RTK gps that has a linux computer built in.
sysvinit
asked Jan 13 '18 at 2:21
bakalolobakalolo
1236 bronze badges
I created a script in /etc/init.d called hello that does some bash commands. Sometimes when I restart the linux device (remove then reinstate power), the contents of my script get totally erased although the actual file is still there. There is another script in there called nginx that came with the system and doesn't have this problem.
I am running a Emlid RTK gps that has a linux computer built in.
sysvinit
sysvinit
asked Jan 13 '18 at 2:21
bakalolobakalolo
1236 bronze badges
asked Jan 13 '18 at 2:21
bakalolobakalolo
1236 bronze badges
asked Jan 13 '18 at 2:21
bakalolobakalolo
1236 bronze badges
asked Jan 13 '18 at 2:21
bakalolobakalolo
1236 bronze badges
asked Jan 13 '18 at 2:21
bakalolobakalolo
1236 bronze badges
1236 bronze badges
add a comment
|
add a comment
|
2 Answers
2
active
oldest
votes
You should not turn off the device taking off the power cord/battery; hence losing the contents of recently written files.
Try to use the official procedures to shut it down - power bottom or option in the menu; in the long term the device will be more stable.
Also if you have got the sync command, use it after writing your file.
answered Jan 13 '18 at 12:29
Rui F RibeiroRui F Ribeiro
41.8k16 gold badges97 silver badges158 bronze badges
Is that the cause of the file going blank though?
– bakalolo
Jan 16 '18 at 22:00
Most probably yes.
– Rui F Ribeiro
Jan 16 '18 at 22:06
You have got to run something before shutdown.synchas been the standard for decades now. Have you got it?
– Rui F Ribeiro
Jan 16 '18 at 22:13
Can't say I will get access to the device to run anything before power off can I make a script that runs sync when it starts up or periodically while power is on?
– bakalolo
Jan 16 '18 at 22:19
You can runsyncmanually after creating the script in init.d if you have the command. I do know neither the implementation nor the device to be of further help.
– Rui F Ribeiro
Jan 16 '18 at 22:21
|
show 1 more comment
This is speculation, as I don't know anything about this product.
It's possible the entire filesystem has been overwritten.
In many embedded systems the running filesystem lives in RAM, and is populated from a compressed image in flash (or similar) during a cold boot.
Alternately a software update may have occurred, which involved replacing the filesystem with a downloaded image.
On such systems, user settings tend to be stored on a separate filesystem.
answered 1 hour ago
GrumpGrump
1701 silver badge7 bronze badges
add a comment
|
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
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oldest
votes
You should not turn off the device taking off the power cord/battery; hence losing the contents of recently written files.
Try to use the official procedures to shut it down - power bottom or option in the menu; in the long term the device will be more stable.
Also if you have got the sync command, use it after writing your file.
answered Jan 13 '18 at 12:29
Rui F RibeiroRui F Ribeiro
41.8k16 gold badges97 silver badges158 bronze badges
Is that the cause of the file going blank though?
– bakalolo
Jan 16 '18 at 22:00
Most probably yes.
– Rui F Ribeiro
Jan 16 '18 at 22:06
You have got to run something before shutdown.synchas been the standard for decades now. Have you got it?
– Rui F Ribeiro
Jan 16 '18 at 22:13
Can't say I will get access to the device to run anything before power off can I make a script that runs sync when it starts up or periodically while power is on?
– bakalolo
Jan 16 '18 at 22:19
You can runsyncmanually after creating the script in init.d if you have the command. I do know neither the implementation nor the device to be of further help.
– Rui F Ribeiro
Jan 16 '18 at 22:21
|
show 1 more comment
You should not turn off the device taking off the power cord/battery; hence losing the contents of recently written files.
Try to use the official procedures to shut it down - power bottom or option in the menu; in the long term the device will be more stable.
Also if you have got the sync command, use it after writing your file.
answered Jan 13 '18 at 12:29
Rui F RibeiroRui F Ribeiro
41.8k16 gold badges97 silver badges158 bronze badges
Is that the cause of the file going blank though?
– bakalolo
Jan 16 '18 at 22:00
Most probably yes.
– Rui F Ribeiro
Jan 16 '18 at 22:06
You have got to run something before shutdown.synchas been the standard for decades now. Have you got it?
– Rui F Ribeiro
Jan 16 '18 at 22:13
Can't say I will get access to the device to run anything before power off can I make a script that runs sync when it starts up or periodically while power is on?
– bakalolo
Jan 16 '18 at 22:19
You can runsyncmanually after creating the script in init.d if you have the command. I do know neither the implementation nor the device to be of further help.
– Rui F Ribeiro
Jan 16 '18 at 22:21
|
show 1 more comment
You should not turn off the device taking off the power cord/battery; hence losing the contents of recently written files.
Try to use the official procedures to shut it down - power bottom or option in the menu; in the long term the device will be more stable.
Also if you have got the sync command, use it after writing your file.
answered Jan 13 '18 at 12:29
Rui F RibeiroRui F Ribeiro
41.8k16 gold badges97 silver badges158 bronze badges
You should not turn off the device taking off the power cord/battery; hence losing the contents of recently written files.
Try to use the official procedures to shut it down - power bottom or option in the menu; in the long term the device will be more stable.
Also if you have got the sync command, use it after writing your file.
answered Jan 13 '18 at 12:29
Rui F RibeiroRui F Ribeiro
41.8k16 gold badges97 silver badges158 bronze badges
answered Jan 13 '18 at 12:29
Rui F RibeiroRui F Ribeiro
41.8k16 gold badges97 silver badges158 bronze badges
answered Jan 13 '18 at 12:29
Rui F RibeiroRui F Ribeiro
41.8k16 gold badges97 silver badges158 bronze badges
answered Jan 13 '18 at 12:29
Rui F RibeiroRui F Ribeiro
41.8k16 gold badges97 silver badges158 bronze badges
41.8k16 gold badges97 silver badges158 bronze badges
Is that the cause of the file going blank though?
– bakalolo
Jan 16 '18 at 22:00
Most probably yes.
– Rui F Ribeiro
Jan 16 '18 at 22:06
You have got to run something before shutdown.synchas been the standard for decades now. Have you got it?
– Rui F Ribeiro
Jan 16 '18 at 22:13
Can't say I will get access to the device to run anything before power off can I make a script that runs sync when it starts up or periodically while power is on?
– bakalolo
Jan 16 '18 at 22:19
You can runsyncmanually after creating the script in init.d if you have the command. I do know neither the implementation nor the device to be of further help.
– Rui F Ribeiro
Jan 16 '18 at 22:21
|
show 1 more comment
Is that the cause of the file going blank though?
– bakalolo
Jan 16 '18 at 22:00
Most probably yes.
– Rui F Ribeiro
Jan 16 '18 at 22:06
You have got to run something before shutdown.synchas been the standard for decades now. Have you got it?
– Rui F Ribeiro
Jan 16 '18 at 22:13
Can't say I will get access to the device to run anything before power off can I make a script that runs sync when it starts up or periodically while power is on?
– bakalolo
Jan 16 '18 at 22:19
You can runsyncmanually after creating the script in init.d if you have the command. I do know neither the implementation nor the device to be of further help.
– Rui F Ribeiro
Jan 16 '18 at 22:21
Is that the cause of the file going blank though?
– bakalolo
Jan 16 '18 at 22:00
Is that the cause of the file going blank though?
– bakalolo
Jan 16 '18 at 22:00
Most probably yes.
– Rui F Ribeiro
Jan 16 '18 at 22:06
Most probably yes.
– Rui F Ribeiro
Jan 16 '18 at 22:06
You have got to run something before shutdown.
sync has been the standard for decades now. Have you got it?– Rui F Ribeiro
Jan 16 '18 at 22:13
You have got to run something before shutdown.
sync has been the standard for decades now. Have you got it?– Rui F Ribeiro
Jan 16 '18 at 22:13
Can't say I will get access to the device to run anything before power off can I make a script that runs sync when it starts up or periodically while power is on?
– bakalolo
Jan 16 '18 at 22:19
Can't say I will get access to the device to run anything before power off can I make a script that runs sync when it starts up or periodically while power is on?
– bakalolo
Jan 16 '18 at 22:19
You can run
sync manually after creating the script in init.d if you have the command. I do know neither the implementation nor the device to be of further help.– Rui F Ribeiro
Jan 16 '18 at 22:21
You can run
sync manually after creating the script in init.d if you have the command. I do know neither the implementation nor the device to be of further help.– Rui F Ribeiro
Jan 16 '18 at 22:21
|
show 1 more comment
This is speculation, as I don't know anything about this product.
It's possible the entire filesystem has been overwritten.
In many embedded systems the running filesystem lives in RAM, and is populated from a compressed image in flash (or similar) during a cold boot.
Alternately a software update may have occurred, which involved replacing the filesystem with a downloaded image.
On such systems, user settings tend to be stored on a separate filesystem.
answered 1 hour ago
GrumpGrump
1701 silver badge7 bronze badges
add a comment
|
This is speculation, as I don't know anything about this product.
It's possible the entire filesystem has been overwritten.
In many embedded systems the running filesystem lives in RAM, and is populated from a compressed image in flash (or similar) during a cold boot.
Alternately a software update may have occurred, which involved replacing the filesystem with a downloaded image.
On such systems, user settings tend to be stored on a separate filesystem.
answered 1 hour ago
GrumpGrump
1701 silver badge7 bronze badges
add a comment
|
This is speculation, as I don't know anything about this product.
It's possible the entire filesystem has been overwritten.
In many embedded systems the running filesystem lives in RAM, and is populated from a compressed image in flash (or similar) during a cold boot.
Alternately a software update may have occurred, which involved replacing the filesystem with a downloaded image.
On such systems, user settings tend to be stored on a separate filesystem.
answered 1 hour ago
GrumpGrump
1701 silver badge7 bronze badges
This is speculation, as I don't know anything about this product.
It's possible the entire filesystem has been overwritten.
In many embedded systems the running filesystem lives in RAM, and is populated from a compressed image in flash (or similar) during a cold boot.
Alternately a software update may have occurred, which involved replacing the filesystem with a downloaded image.
On such systems, user settings tend to be stored on a separate filesystem.
answered 1 hour ago
GrumpGrump
1701 silver badge7 bronze badges
answered 1 hour ago
GrumpGrump
1701 silver badge7 bronze badges
answered 1 hour ago
GrumpGrump
1701 silver badge7 bronze badges
answered 1 hour ago
GrumpGrump
1701 silver badge7 bronze badges
1701 silver badge7 bronze badges
add a comment
|
add a comment
|
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