Kernel Surgery in a Script

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I'm writing a bash script to install a certain development environment on a computer. In order to do this I need to enable the CONFIG_USB_ACM module in the kernel. I am doing this through:



cd ~/l4t-kernel-surgery-kernel/kernel-4.4
zcat /proc/config.gz > .config

# PART I NEED IDEAS
vim .config # change the line that says CONFIG_USB_ACM=n to CONFIG_USB_ACM=m

make clean
make prepare
make modules_prepare
make M=drivers/usb/class
...


Would it work for me to append the =m line to the end of the config file? Will that overwrite the previous setting of =n? Is there a better way to edit the file in this way from bash?










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  • Yeah I did, thanks for your answer btw. After closer inspection I realized that the =n line didn't even exist so I had to append it to the end of the file.
    – Sauhaarda Chowdhuri
    May 22 '17 at 17:22














up vote
0
down vote

favorite












I'm writing a bash script to install a certain development environment on a computer. In order to do this I need to enable the CONFIG_USB_ACM module in the kernel. I am doing this through:



cd ~/l4t-kernel-surgery-kernel/kernel-4.4
zcat /proc/config.gz > .config

# PART I NEED IDEAS
vim .config # change the line that says CONFIG_USB_ACM=n to CONFIG_USB_ACM=m

make clean
make prepare
make modules_prepare
make M=drivers/usb/class
...


Would it work for me to append the =m line to the end of the config file? Will that overwrite the previous setting of =n? Is there a better way to edit the file in this way from bash?










share|improve this question























  • Yeah I did, thanks for your answer btw. After closer inspection I realized that the =n line didn't even exist so I had to append it to the end of the file.
    – Sauhaarda Chowdhuri
    May 22 '17 at 17:22












up vote
0
down vote

favorite









up vote
0
down vote

favorite











I'm writing a bash script to install a certain development environment on a computer. In order to do this I need to enable the CONFIG_USB_ACM module in the kernel. I am doing this through:



cd ~/l4t-kernel-surgery-kernel/kernel-4.4
zcat /proc/config.gz > .config

# PART I NEED IDEAS
vim .config # change the line that says CONFIG_USB_ACM=n to CONFIG_USB_ACM=m

make clean
make prepare
make modules_prepare
make M=drivers/usb/class
...


Would it work for me to append the =m line to the end of the config file? Will that overwrite the previous setting of =n? Is there a better way to edit the file in this way from bash?










share|improve this question















I'm writing a bash script to install a certain development environment on a computer. In order to do this I need to enable the CONFIG_USB_ACM module in the kernel. I am doing this through:



cd ~/l4t-kernel-surgery-kernel/kernel-4.4
zcat /proc/config.gz > .config

# PART I NEED IDEAS
vim .config # change the line that says CONFIG_USB_ACM=n to CONFIG_USB_ACM=m

make clean
make prepare
make modules_prepare
make M=drivers/usb/class
...


Would it work for me to append the =m line to the end of the config file? Will that overwrite the previous setting of =n? Is there a better way to edit the file in this way from bash?







text-processing configuration nvidia kernel-modules






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edited Nov 18 at 9:27









Rui F Ribeiro

38.2k1475123




38.2k1475123










asked May 18 '17 at 1:19









Sauhaarda Chowdhuri

183




183











  • Yeah I did, thanks for your answer btw. After closer inspection I realized that the =n line didn't even exist so I had to append it to the end of the file.
    – Sauhaarda Chowdhuri
    May 22 '17 at 17:22
















  • Yeah I did, thanks for your answer btw. After closer inspection I realized that the =n line didn't even exist so I had to append it to the end of the file.
    – Sauhaarda Chowdhuri
    May 22 '17 at 17:22















Yeah I did, thanks for your answer btw. After closer inspection I realized that the =n line didn't even exist so I had to append it to the end of the file.
– Sauhaarda Chowdhuri
May 22 '17 at 17:22




Yeah I did, thanks for your answer btw. After closer inspection I realized that the =n line didn't even exist so I had to append it to the end of the file.
– Sauhaarda Chowdhuri
May 22 '17 at 17:22










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zcat /proc/config.gz | sed 's/CONFIG_USB_ACM=n/CONFIG_USB_ACM=m/' > .config





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    zcat /proc/config.gz | sed 's/CONFIG_USB_ACM=n/CONFIG_USB_ACM=m/' > .config





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      zcat /proc/config.gz | sed 's/CONFIG_USB_ACM=n/CONFIG_USB_ACM=m/' > .config





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        zcat /proc/config.gz | sed 's/CONFIG_USB_ACM=n/CONFIG_USB_ACM=m/' > .config





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        zcat /proc/config.gz | sed 's/CONFIG_USB_ACM=n/CONFIG_USB_ACM=m/' > .config






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        answered May 18 '17 at 1:36









        Jeff Schaller

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