remote process run through ssh gets killed if UI is closed
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I have written a script which essentially does 2 things:
- Runs a UI for listening to the actual program running on the server
- remotely run the program on the server
All goes well, the UI starts, then the program is run on the server. But as soon as I close the UI the remote process gets killed.
Relevant portions of the script:
ui_pid = subprocess.check_output('/home/user/git/sim_ui.sh', shell=True)
command = 'ssh user@server "bash -c 'cd program_dir/ && echo "running program >> log.out && ./program.sh >> log.out'"'
print command
os.system(command)
sim_ui.sh:
nohup ui_binary args > ui_out.txt &
I also am unable to find out what killed the process on the server i.e. signal which terminated the process and where it originated from.
Edit:
When I add screen -dm before bash -c it works perfectly.
ssh scripting python background-process nohup
asked Jul 27 at 8:17
user3286661
1011
add a comment |Â
up vote
0
down vote
favorite
I have written a script which essentially does 2 things:
- Runs a UI for listening to the actual program running on the server
- remotely run the program on the server
All goes well, the UI starts, then the program is run on the server. But as soon as I close the UI the remote process gets killed.
Relevant portions of the script:
ui_pid = subprocess.check_output('/home/user/git/sim_ui.sh', shell=True)
command = 'ssh user@server "bash -c 'cd program_dir/ && echo "running program >> log.out && ./program.sh >> log.out'"'
print command
os.system(command)
sim_ui.sh:
nohup ui_binary args > ui_out.txt &
I also am unable to find out what killed the process on the server i.e. signal which terminated the process and where it originated from.
Edit:
When I add screen -dm before bash -c it works perfectly.
ssh scripting python background-process nohup
asked Jul 27 at 8:17
user3286661
1011
I assume there is some kind of communication between the UI and the program running on the server?
– koalo
Jul 27 at 8:27
@koalo Yes. But not of the kind where the remote program terminates upon closing the UI. When I addscreen -dmbeforebash -ceverything works perfectly.
– user3286661
Jul 27 at 8:30
I could not understand, what did happen when runnohup ui_binary args > ui_out.txt &?
– Hossein Vatani
Jul 27 at 10:39
add a comment |Â
up vote
0
down vote
favorite
up vote
0
down vote
favorite
I have written a script which essentially does 2 things:
- Runs a UI for listening to the actual program running on the server
- remotely run the program on the server
All goes well, the UI starts, then the program is run on the server. But as soon as I close the UI the remote process gets killed.
Relevant portions of the script:
ui_pid = subprocess.check_output('/home/user/git/sim_ui.sh', shell=True)
command = 'ssh user@server "bash -c 'cd program_dir/ && echo "running program >> log.out && ./program.sh >> log.out'"'
print command
os.system(command)
sim_ui.sh:
nohup ui_binary args > ui_out.txt &
I also am unable to find out what killed the process on the server i.e. signal which terminated the process and where it originated from.
Edit:
When I add screen -dm before bash -c it works perfectly.
ssh scripting python background-process nohup
asked Jul 27 at 8:17
user3286661
1011
I have written a script which essentially does 2 things:
- Runs a UI for listening to the actual program running on the server
- remotely run the program on the server
All goes well, the UI starts, then the program is run on the server. But as soon as I close the UI the remote process gets killed.
Relevant portions of the script:
ui_pid = subprocess.check_output('/home/user/git/sim_ui.sh', shell=True)
command = 'ssh user@server "bash -c 'cd program_dir/ && echo "running program >> log.out && ./program.sh >> log.out'"'
print command
os.system(command)
sim_ui.sh:
nohup ui_binary args > ui_out.txt &
I also am unable to find out what killed the process on the server i.e. signal which terminated the process and where it originated from.
Edit:
When I add screen -dm before bash -c it works perfectly.
ssh scripting python background-process nohup
asked Jul 27 at 8:17
user3286661
1011
edited Jul 27 at 8:31
asked Jul 27 at 8:17
user3286661
1011
asked Jul 27 at 8:17
user3286661
1011
asked Jul 27 at 8:17
user3286661
1011
1011
I assume there is some kind of communication between the UI and the program running on the server?
– koalo
Jul 27 at 8:27
@koalo Yes. But not of the kind where the remote program terminates upon closing the UI. When I addscreen -dmbeforebash -ceverything works perfectly.
– user3286661
Jul 27 at 8:30
I could not understand, what did happen when runnohup ui_binary args > ui_out.txt &?
– Hossein Vatani
Jul 27 at 10:39
add a comment |Â
I assume there is some kind of communication between the UI and the program running on the server?
– koalo
Jul 27 at 8:27
@koalo Yes. But not of the kind where the remote program terminates upon closing the UI. When I addscreen -dmbeforebash -ceverything works perfectly.
– user3286661
Jul 27 at 8:30
I could not understand, what did happen when runnohup ui_binary args > ui_out.txt &?
– Hossein Vatani
Jul 27 at 10:39
I assume there is some kind of communication between the UI and the program running on the server?
– koalo
Jul 27 at 8:27
I assume there is some kind of communication between the UI and the program running on the server?
– koalo
Jul 27 at 8:27
@koalo Yes. But not of the kind where the remote program terminates upon closing the UI. When I add
screen -dm before bash -c everything works perfectly.– user3286661
Jul 27 at 8:30
@koalo Yes. But not of the kind where the remote program terminates upon closing the UI. When I add
screen -dm before bash -c everything works perfectly.– user3286661
Jul 27 at 8:30
I could not understand, what did happen when run
nohup ui_binary args > ui_out.txt &?– Hossein Vatani
Jul 27 at 10:39
I could not understand, what did happen when run
nohup ui_binary args > ui_out.txt &?– Hossein Vatani
Jul 27 at 10:39
add a comment |Â
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I assume there is some kind of communication between the UI and the program running on the server?
– koalo
Jul 27 at 8:27
@koalo Yes. But not of the kind where the remote program terminates upon closing the UI. When I add
screen -dmbeforebash -ceverything works perfectly.– user3286661
Jul 27 at 8:30
I could not understand, what did happen when run
nohup ui_binary args > ui_out.txt &?– Hossein Vatani
Jul 27 at 10:39