Sometimes bash scripts may not run as expected, and you may find yourself dealing with a sleeping script. A sleeping script is a script that has been paused and is not currently executing any commands. This article, we’ll explore several ways to wake up a sleeping Bash script and get it back on track.
How to Wake Up a Sleeping Bash Script
Sometimes, a Bash script may become unresponsive and go to sleep, which can prevent it from completing its task or responding to input, here are two popular ways to wake-up a sleeping bash script:
Before going to the methods, it’s imperative to check the status of the bash script you are running so for that you need to find the process ID and for that execute:
Next once you have got the process ID of your script it’s time to check the status of the script file and for that execute:
Now if your bash script is sleeping the under the status column s+ would be written which means that script is sleeping, doing this will confirm there isn’t any other issue with the script:
How to Wake Up a Sleeping Bash Script Using kill -15 Command
The kill command is a powerful utility that sends signals to running processes. One of the most common signals used to wake up a sleeping bash script is the TERM signal with a value of 15. The TERM signal instructs the script to terminate gracefully and can be used to wake it up from a sleep state:
How to Wake Up a Sleeping Bash Script Using kill -TERM Command
Another way to wake up a sleeping bash script is to use the kill command with the -TERM option. The -TERM option sends the TERM signal to the script, which instructs it to terminate gracefully.
To use the kill -TERM command to wake up a sleeping bash script, you can use the same process as mentioned above to find the PID of the script. Once you have the PID, you can use the following command to send the TERM signal:
Conclusion
Knowing how to wake up a sleeping bash script is an essential skill for anyone who works with bash scripts. By using the kill -15 signal or the kill -TERM command, you can wake up a stuck script and prevent delays or interruptions in your workflow.
