Linux Troubleshooting Make Easy.

Linux Learning & Troubleshooting Make Easy.

Script to clean up the log files in /var/log


A Linux script to clean up the log files in /var/log.
Create a new file for the Script:
#  touch log_clean.sh

Edit the file to add the Script:
#  vi log_clean.sh




       #!/bin/bash
       # Proper header for a Bash script.

        # Run as root, of course.
       # Insert code here to print error message and exit if not root.

       LOG_DIR=/var/log
       ROOT_UID=0         # Only users with $UID 0 have root privileges.

       # Run as root, of course.
       if [ "$UID" -ne "$ROOT_UID" ]
          then
            echo "Must be root to run this script."
            exit $E_NOTROOT
       fi  

       # Variables are better than hard-coded values.
       cd $LOG_DIR

       cat /dev/null > messages
       cat /dev/null > wtmp

       echo "Logs cleaned up."

       exit                           # The right and proper method of "exiting" from a script.


Save the file and Exit.

Run the script to clean-up:
#  ./log_clean.sh

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