Linux writes a scheduled task Shell Daemon

# Set the dump file size limit. Ulimit-C unlimitedcd/home/linbc/build/bin # Check whether the dump Folder does not exist.  If [! -D ../dumpfile] Then ECHO "Create dumpfile fold" Mkdir ../dumpfilefi # Search

   
 
  
    
My

   
 _ App1: whether it exists (we cannot restart this process every time. For example, in my scenario, I will continue to start the app1 process if it exists)  If [-Z 'pgrep
 
  
  
  
    My 
   
 
 _ App1'] Then ECHO "My_app1 not running! " Exitfi # Check whether my_app2 exists. If it does not exist, start  If [-Z 'pgrep my_app2'] Then ECHO "My_app2 not running! "         # Back up the dump file. I have created a folder in this path to store the dump file. App2_pid = 'Tail-1 ../dumpfile/app2.pid' If [-N $ app2_pid-a-e "Core. $ {app2_pid }" ] Then ECHO "Backup dumpfile, move core. $ {app2_pid} ../dumpfile/centd. Core. $ {app2_pid }" MV "Core. $ {app2_pid }"   "../Dumpfile/app2.core. $ {app2_pid }" FI echo "Start the app2 server" Nohup./my_app2-C my_app2.conf> _ app2.out 2> & 1 & # Save the process number to rename the dump file Pgrep my_app2> ../dumpfile/app2.pidficd $ {oldpwd}
 
 

Then you can

Crontab-e

Write

0-59/5 ****/home/linbc/bin/check_the_process

Check every five minutes