wpa_action script: How to run wpa_cli in daemon mode? The 2019 Stack Overflow Developer Survey...
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wpa_action script: How to run wpa_cli in daemon mode?
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I was trying to build a script that runs when wifi is connected or disconnected. After a lot of searches, I got wpa_cli -a command to work with my script.
test.sh
case "$1" in
wlan0)
case "$2" in
CONNECTED)
echo WIFI is CONNECTED "$WPA_ID" > output
#sudo python ./do.py
;;
DISCONNECTED)
echo WIFI is Disconnected "$WPA_ID" > output
;;
*)
>&2 echo empty or undefined event for wlan0: ""
exit 1
;;
esac
;;
esac
I was tested the script by running the command sudo wpa_cli -a /home/pi/test.sh. I disconnected the wifi and checked the output file and it contains " WIFI disconnected message". Similar checking is done by connecting to a wifi and we observed "WIFI connected" message.
But when i tried to run the command wpa_cli in daemon mode, It don't work. I have used the command sudo wpa_cli -a /home/pi/test.sh -B. But this time output file have no change if i connected or disconnected the wifi.
But when i ps aux|grep test.sh, it shows the script is running.
linux shell-script scripting raspberry-pi wpa-cli
edited 14 hours ago
GAD3R
28.1k1958114
asked 2 days ago
mcvmcv
235
add a comment |
I was trying to build a script that runs when wifi is connected or disconnected. After a lot of searches, I got wpa_cli -a command to work with my script.
test.sh
case "$1" in
wlan0)
case "$2" in
CONNECTED)
echo WIFI is CONNECTED "$WPA_ID" > output
#sudo python ./do.py
;;
DISCONNECTED)
echo WIFI is Disconnected "$WPA_ID" > output
;;
*)
>&2 echo empty or undefined event for wlan0: ""
exit 1
;;
esac
;;
esac
I was tested the script by running the command sudo wpa_cli -a /home/pi/test.sh. I disconnected the wifi and checked the output file and it contains " WIFI disconnected message". Similar checking is done by connecting to a wifi and we observed "WIFI connected" message.
But when i tried to run the command wpa_cli in daemon mode, It don't work. I have used the command sudo wpa_cli -a /home/pi/test.sh -B. But this time output file have no change if i connected or disconnected the wifi.
But when i ps aux|grep test.sh, it shows the script is running.
linux shell-script scripting raspberry-pi wpa-cli
edited 14 hours ago
GAD3R
28.1k1958114
asked 2 days ago
mcvmcv
235
add a comment |
I was trying to build a script that runs when wifi is connected or disconnected. After a lot of searches, I got wpa_cli -a command to work with my script.
test.sh
case "$1" in
wlan0)
case "$2" in
CONNECTED)
echo WIFI is CONNECTED "$WPA_ID" > output
#sudo python ./do.py
;;
DISCONNECTED)
echo WIFI is Disconnected "$WPA_ID" > output
;;
*)
>&2 echo empty or undefined event for wlan0: ""
exit 1
;;
esac
;;
esac
I was tested the script by running the command sudo wpa_cli -a /home/pi/test.sh. I disconnected the wifi and checked the output file and it contains " WIFI disconnected message". Similar checking is done by connecting to a wifi and we observed "WIFI connected" message.
But when i tried to run the command wpa_cli in daemon mode, It don't work. I have used the command sudo wpa_cli -a /home/pi/test.sh -B. But this time output file have no change if i connected or disconnected the wifi.
But when i ps aux|grep test.sh, it shows the script is running.
linux shell-script scripting raspberry-pi wpa-cli
edited 14 hours ago
GAD3R
28.1k1958114
asked 2 days ago
mcvmcv
235
I was trying to build a script that runs when wifi is connected or disconnected. After a lot of searches, I got wpa_cli -a command to work with my script.
test.sh
case "$1" in
wlan0)
case "$2" in
CONNECTED)
echo WIFI is CONNECTED "$WPA_ID" > output
#sudo python ./do.py
;;
DISCONNECTED)
echo WIFI is Disconnected "$WPA_ID" > output
;;
*)
>&2 echo empty or undefined event for wlan0: ""
exit 1
;;
esac
;;
esac
I was tested the script by running the command sudo wpa_cli -a /home/pi/test.sh. I disconnected the wifi and checked the output file and it contains " WIFI disconnected message". Similar checking is done by connecting to a wifi and we observed "WIFI connected" message.
But when i tried to run the command wpa_cli in daemon mode, It don't work. I have used the command sudo wpa_cli -a /home/pi/test.sh -B. But this time output file have no change if i connected or disconnected the wifi.
But when i ps aux|grep test.sh, it shows the script is running.
linux shell-script scripting raspberry-pi wpa-cli
linux shell-script scripting raspberry-pi wpa-cli
edited 14 hours ago
GAD3R
28.1k1958114
asked 2 days ago
mcvmcv
235
edited 14 hours ago
GAD3R
28.1k1958114
asked 2 days ago
mcvmcv
235
edited 14 hours ago
GAD3R
28.1k1958114
edited 14 hours ago
GAD3R
28.1k1958114
edited 14 hours ago
GAD3R
28.1k1958114
28.1k1958114
asked 2 days ago
mcvmcv
235
asked 2 days ago
mcvmcv
235
asked 2 days ago
mcvmcv
235
235
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
I have got the answer. When I run in daemon mode using sudo wpa_cli -a /home/pi/test.sh -B, I was checking the wrong output file( In the home directory ). In the echo, I have not mentioned the correct path for file output, So it will be redirected to the file output in the root / directory.
Thanks for all
answered 17 hours ago
mcvmcv
235
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
I have got the answer. When I run in daemon mode using sudo wpa_cli -a /home/pi/test.sh -B, I was checking the wrong output file( In the home directory ). In the echo, I have not mentioned the correct path for file output, So it will be redirected to the file output in the root / directory.
Thanks for all
answered 17 hours ago
mcvmcv
235
add a comment |
I have got the answer. When I run in daemon mode using sudo wpa_cli -a /home/pi/test.sh -B, I was checking the wrong output file( In the home directory ). In the echo, I have not mentioned the correct path for file output, So it will be redirected to the file output in the root / directory.
Thanks for all
answered 17 hours ago
mcvmcv
235
add a comment |
I have got the answer. When I run in daemon mode using sudo wpa_cli -a /home/pi/test.sh -B, I was checking the wrong output file( In the home directory ). In the echo, I have not mentioned the correct path for file output, So it will be redirected to the file output in the root / directory.
Thanks for all
answered 17 hours ago
mcvmcv
235
I have got the answer. When I run in daemon mode using sudo wpa_cli -a /home/pi/test.sh -B, I was checking the wrong output file( In the home directory ). In the echo, I have not mentioned the correct path for file output, So it will be redirected to the file output in the root / directory.
Thanks for all
answered 17 hours ago
mcvmcv
235
answered 17 hours ago
mcvmcv
235
answered 17 hours ago
mcvmcv
235
answered 17 hours ago
mcvmcv
235
235
add a comment |
add a comment |
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