Run cron job only if it isn’t already running

by

Use flock. It’s new. It’s better.

Now you don’t have to write the code yourself. Check out more reasons here: https://serverfault.com/a/82863

/usr/bin/flock -n /tmp/my.lockfile /usr/local/bin/my_script

More Related Contents:

  1. How do I write a bash script to restart a process if it dies?
  2. Run a shell command when a file is added
  3. Managing log files created by cron jobs
  4. Why should eval be avoided in Bash, and what should I use instead?
  5. How to redirect output to a file and stdout
  6. How to kill a child process after a given timeout in Bash?
  7. ./configure : /bin/sh^M : bad interpreter [duplicate]
  8. The ‘eval’ command in Bash and its typical uses
  9. How to join multiple lines of file names into one with custom delimiter?
  10. Linux: copy and create destination dir if it does not exist
  11. How to redirect the output of the time command to a file in Linux?
  12. How to handle more than 10 parameters in shell
  13. crontab PATH and USER
  14. How to count lines in a document? [closed]
  15. Changing default shell in Linux [closed]
  16. Linux Script to check if process is running and act on the result
  17. Redirecting command output in docker
  18. When to wrap quotes around a shell variable?
  19. How to get file creation date/time in Bash/Debian?
  20. Disable and re-enable address space layout randomization only for myself
  21. How to join multiple lines of filenames into one with custom delimiter
  22. Check if a variable exists in a list in Bash
  23. Doesn’t sh support process substitution
  24. Get yesterday’s date in bash on Linux, DST-safe
  25. Alias with variable in bash [duplicate]
  26. find a pattern in files and rename them [closed]
  27. Linux shell script to add leading zeros to file names
  28. Need to remove the count from the output when using “uniq -c” command
  29. Negate if condition in bash script
  30. Changing environment variable of a running process

Leave a Comment