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How to pass answers to bash script (composer-rest-server) options through text file?
How do I know the script file name in a Bash script?How to iterate over arguments in a Bash scriptHow to check if a program exists from a Bash script?How do I tell if a regular file does not exist in Bash?How can I redirect and append both stdout and stderr to a file with Bash?Looping through the content of a file in BashHow can I write a heredoc to a file in Bash script?Check number of arguments passed to a Bash scriptError Composer Rest ServerIs uploading Business Network Cards to Composer REST servers a huge security flaw?
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This a question regarding composer-rest-server which opens a terminal & accepts user input for initialisation. For running the apps created using hyperledger one should launch composer-playground and composer-rest-server. Now consider the scenario where in we have to run the app in the server. For that we need to run both as a background service. The nohup option works for the composer-playground as there is nothing for the user to give as input but this fails in the case of the composer-rest-server where the user needs to give input as shown in the picture below:
Now I tried to run this as a background service by passing the answers to the options through a text file. Each line of the text file will have the options which I type in the terminal.
admin@test-network
^[[B ^[[A n
n
n
n
n
n
n
The first option works fine but I am stuck in the second option which is to select the "always use namespaces" from the multiple choice.
In normal running, after typing the first option(admin@test-network) I would press enter key to select the first choice from the multiple choice(of the second option) and then move on towards the remaining options. I have tried passing the following for the second option:
- New line character
n. - Carriage return
r. - Simulate down keystroke
^[[B& up keystroke^[[Ato come back to the first choice and pressing enter by passingn.
Nothing seems to be working. Can anyone give suggestions on how to bypass this or another efficient way ?
bash shell hyperledger hyperledger-composer
asked Mar 25 at 5:12
SoorajSooraj
16416
add a comment |
This a question regarding composer-rest-server which opens a terminal & accepts user input for initialisation. For running the apps created using hyperledger one should launch composer-playground and composer-rest-server. Now consider the scenario where in we have to run the app in the server. For that we need to run both as a background service. The nohup option works for the composer-playground as there is nothing for the user to give as input but this fails in the case of the composer-rest-server where the user needs to give input as shown in the picture below:
Now I tried to run this as a background service by passing the answers to the options through a text file. Each line of the text file will have the options which I type in the terminal.
admin@test-network
^[[B ^[[A n
n
n
n
n
n
n
The first option works fine but I am stuck in the second option which is to select the "always use namespaces" from the multiple choice.
In normal running, after typing the first option(admin@test-network) I would press enter key to select the first choice from the multiple choice(of the second option) and then move on towards the remaining options. I have tried passing the following for the second option:
- New line character
n. - Carriage return
r. - Simulate down keystroke
^[[B& up keystroke^[[Ato come back to the first choice and pressing enter by passingn.
Nothing seems to be working. Can anyone give suggestions on how to bypass this or another efficient way ?
bash shell hyperledger hyperledger-composer
asked Mar 25 at 5:12
SoorajSooraj
16416
add a comment |
This a question regarding composer-rest-server which opens a terminal & accepts user input for initialisation. For running the apps created using hyperledger one should launch composer-playground and composer-rest-server. Now consider the scenario where in we have to run the app in the server. For that we need to run both as a background service. The nohup option works for the composer-playground as there is nothing for the user to give as input but this fails in the case of the composer-rest-server where the user needs to give input as shown in the picture below:
Now I tried to run this as a background service by passing the answers to the options through a text file. Each line of the text file will have the options which I type in the terminal.
admin@test-network
^[[B ^[[A n
n
n
n
n
n
n
The first option works fine but I am stuck in the second option which is to select the "always use namespaces" from the multiple choice.
In normal running, after typing the first option(admin@test-network) I would press enter key to select the first choice from the multiple choice(of the second option) and then move on towards the remaining options. I have tried passing the following for the second option:
- New line character
n. - Carriage return
r. - Simulate down keystroke
^[[B& up keystroke^[[Ato come back to the first choice and pressing enter by passingn.
Nothing seems to be working. Can anyone give suggestions on how to bypass this or another efficient way ?
bash shell hyperledger hyperledger-composer
asked Mar 25 at 5:12
SoorajSooraj
16416
This a question regarding composer-rest-server which opens a terminal & accepts user input for initialisation. For running the apps created using hyperledger one should launch composer-playground and composer-rest-server. Now consider the scenario where in we have to run the app in the server. For that we need to run both as a background service. The nohup option works for the composer-playground as there is nothing for the user to give as input but this fails in the case of the composer-rest-server where the user needs to give input as shown in the picture below:
Now I tried to run this as a background service by passing the answers to the options through a text file. Each line of the text file will have the options which I type in the terminal.
admin@test-network
^[[B ^[[A n
n
n
n
n
n
n
The first option works fine but I am stuck in the second option which is to select the "always use namespaces" from the multiple choice.
In normal running, after typing the first option(admin@test-network) I would press enter key to select the first choice from the multiple choice(of the second option) and then move on towards the remaining options. I have tried passing the following for the second option:
- New line character
n. - Carriage return
r. - Simulate down keystroke
^[[B& up keystroke^[[Ato come back to the first choice and pressing enter by passingn.
Nothing seems to be working. Can anyone give suggestions on how to bypass this or another efficient way ?
bash shell hyperledger hyperledger-composer
bash shell hyperledger hyperledger-composer
asked Mar 25 at 5:12
SoorajSooraj
16416
asked Mar 25 at 5:12
SoorajSooraj
16416
edited Mar 27 at 3:50
Sooraj
asked Mar 25 at 5:12
SoorajSooraj
16416
asked Mar 25 at 5:12
SoorajSooraj
16416
asked Mar 25 at 5:12
SoorajSooraj
16416
16416
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
Use command composer-rest-server -c <card name> -p <port number> Hope it helpful
answered Mar 27 at 6:13
salman farissalman faris
571113
But isn't that command used to restart the rest server? My doubt is how to start the server provided you are given a headless server. For gui based vm like in Amazon EC2 its fine. You can use remote desktop to access it and then start the terminal and keep it minimised. But in the case of headless, as soon as the terminal shut off / internet gets disconnected in the client machine it gets disconnected. Not truly a background service.
– Sooraj
Mar 27 at 6:33
nohup composer-rest-server -c <card name> -n always -w true -p <port number> > rest-server.out 2> rest-server.err < /dev/null &
– salman faris
Mar 27 at 6:36
add a comment |
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1 Answer
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1 Answer
1
active
oldest
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active
oldest
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active
oldest
votes
Use command composer-rest-server -c <card name> -p <port number> Hope it helpful
answered Mar 27 at 6:13
salman farissalman faris
571113
But isn't that command used to restart the rest server? My doubt is how to start the server provided you are given a headless server. For gui based vm like in Amazon EC2 its fine. You can use remote desktop to access it and then start the terminal and keep it minimised. But in the case of headless, as soon as the terminal shut off / internet gets disconnected in the client machine it gets disconnected. Not truly a background service.
– Sooraj
Mar 27 at 6:33
nohup composer-rest-server -c <card name> -n always -w true -p <port number> > rest-server.out 2> rest-server.err < /dev/null &
– salman faris
Mar 27 at 6:36
add a comment |
Use command composer-rest-server -c <card name> -p <port number> Hope it helpful
answered Mar 27 at 6:13
salman farissalman faris
571113
But isn't that command used to restart the rest server? My doubt is how to start the server provided you are given a headless server. For gui based vm like in Amazon EC2 its fine. You can use remote desktop to access it and then start the terminal and keep it minimised. But in the case of headless, as soon as the terminal shut off / internet gets disconnected in the client machine it gets disconnected. Not truly a background service.
– Sooraj
Mar 27 at 6:33
nohup composer-rest-server -c <card name> -n always -w true -p <port number> > rest-server.out 2> rest-server.err < /dev/null &
– salman faris
Mar 27 at 6:36
add a comment |
Use command composer-rest-server -c <card name> -p <port number> Hope it helpful
answered Mar 27 at 6:13
salman farissalman faris
571113
Use command composer-rest-server -c <card name> -p <port number> Hope it helpful
answered Mar 27 at 6:13
salman farissalman faris
571113
answered Mar 27 at 6:13
salman farissalman faris
571113
answered Mar 27 at 6:13
salman farissalman faris
571113
answered Mar 27 at 6:13
salman farissalman faris
571113
571113
But isn't that command used to restart the rest server? My doubt is how to start the server provided you are given a headless server. For gui based vm like in Amazon EC2 its fine. You can use remote desktop to access it and then start the terminal and keep it minimised. But in the case of headless, as soon as the terminal shut off / internet gets disconnected in the client machine it gets disconnected. Not truly a background service.
– Sooraj
Mar 27 at 6:33
nohup composer-rest-server -c <card name> -n always -w true -p <port number> > rest-server.out 2> rest-server.err < /dev/null &
– salman faris
Mar 27 at 6:36
add a comment |
But isn't that command used to restart the rest server? My doubt is how to start the server provided you are given a headless server. For gui based vm like in Amazon EC2 its fine. You can use remote desktop to access it and then start the terminal and keep it minimised. But in the case of headless, as soon as the terminal shut off / internet gets disconnected in the client machine it gets disconnected. Not truly a background service.
– Sooraj
Mar 27 at 6:33
nohup composer-rest-server -c <card name> -n always -w true -p <port number> > rest-server.out 2> rest-server.err < /dev/null &
– salman faris
Mar 27 at 6:36
But isn't that command used to restart the rest server? My doubt is how to start the server provided you are given a headless server. For gui based vm like in Amazon EC2 its fine. You can use remote desktop to access it and then start the terminal and keep it minimised. But in the case of headless, as soon as the terminal shut off / internet gets disconnected in the client machine it gets disconnected. Not truly a background service.
– Sooraj
Mar 27 at 6:33
But isn't that command used to restart the rest server? My doubt is how to start the server provided you are given a headless server. For gui based vm like in Amazon EC2 its fine. You can use remote desktop to access it and then start the terminal and keep it minimised. But in the case of headless, as soon as the terminal shut off / internet gets disconnected in the client machine it gets disconnected. Not truly a background service.
– Sooraj
Mar 27 at 6:33
nohup composer-rest-server -c <card name> -n always -w true -p <port number> > rest-server.out 2> rest-server.err < /dev/null &
– salman faris
Mar 27 at 6:36
nohup composer-rest-server -c <card name> -n always -w true -p <port number> > rest-server.out 2> rest-server.err < /dev/null &
– salman faris
Mar 27 at 6:36
add a comment |
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