Help Center> Image Management Service> User Guide> Managing Private Images> Optimizing a Linux Private Image> Clearing System Logs
View PDF

Clearing System Logs

Delete log files and historical records, and stop the ECS.

  1. Run the following commands to delete redundant key files:

    echo > /$path/$to/$root/.ssh/authorized_keys

    An example command is echo > /root/.ssh/authorized_keys.

    echo > /$path/$to/$none-root/.ssh/authorized_keys

    An example command is echo > /home/linux/.ssh/authorized_keys.

  1. Run the following command to clear log files in the /var/log directory:

    rm -rf /var/log/*

  2. Run the following commands to delete historical records:

    history -w

    echo > /root/.bash_history

    history -c